summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--CREDITS3
-rw-r--r--Documentation/block/00-INDEX2
-rw-r--r--Documentation/block/cmdline-partition.txt8
-rw-r--r--Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt10
-rw-r--r--Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt10
-rw-r--r--Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt (renamed from Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt)8
-rw-r--r--Documentation/devicetree/bindings/mmc/tmio_mmc.txt17
-rw-r--r--Documentation/devicetree/bindings/net/fsl-tsec-phy.txt18
-rw-r--r--Documentation/devicetree/bindings/pci/designware-pcie.txt2
-rw-r--r--Documentation/devicetree/bindings/serial/qca,ar9330-uart.txt (renamed from Documentation/devicetree/bindings/tty/serial/qca,ar9330-uart.txt)0
-rw-r--r--Documentation/kernel-parameters.txt10
-rw-r--r--Documentation/sound/alsa/HD-Audio-Models.txt6
-rw-r--r--MAINTAINERS33
-rw-r--r--Makefile2
-rw-r--r--arch/Kconfig3
-rw-r--r--arch/arc/include/asm/spinlock.h9
-rw-r--r--arch/arc/include/asm/uaccess.h4
-rw-r--r--arch/arc/kernel/signal.c25
-rw-r--r--arch/arc/kernel/time.c7
-rw-r--r--arch/arc/kernel/unaligned.c6
-rw-r--r--arch/arm/Kconfig3
-rw-r--r--arch/arm/boot/dts/Makefile2
-rw-r--r--arch/arm/boot/dts/armada-370-netgear-rn102.dts49
-rw-r--r--arch/arm/boot/dts/armada-xp.dtsi11
-rw-r--r--arch/arm/boot/dts/at91sam9x5.dtsi6
-rw-r--r--arch/arm/boot/dts/atlas6.dtsi12
-rw-r--r--arch/arm/boot/dts/kirkwood.dtsi3
-rw-r--r--arch/arm/boot/dts/prima2.dtsi27
-rw-r--r--arch/arm/boot/dts/r8a73a4.dtsi6
-rw-r--r--arch/arm/boot/dts/r8a7778.dtsi1
-rw-r--r--arch/arm/boot/dts/r8a7779.dtsi1
-rw-r--r--arch/arm/boot/dts/r8a7790.dtsi9
-rw-r--r--arch/arm/boot/dts/sh73a0.dtsi6
-rw-r--r--arch/arm/common/edma.c38
-rw-r--r--arch/arm/configs/multi_v7_defconfig1
-rw-r--r--arch/arm/crypto/aes-armv4.S6
-rw-r--r--arch/arm/include/asm/uaccess.h7
-rw-r--r--arch/arm/kernel/entry-common.S4
-rw-r--r--arch/arm/kernel/entry-header.S8
-rw-r--r--arch/arm/kvm/reset.c6
-rw-r--r--arch/arm/mach-at91/at91rm9200_time.c2
-rw-r--r--arch/arm/mach-at91/at91sam926x_time.c2
-rw-r--r--arch/arm/mach-at91/at91sam9g45_reset.S8
-rw-r--r--arch/arm/mach-at91/at91x40_time.c2
-rw-r--r--arch/arm/mach-davinci/board-dm365-evm.c2
-rw-r--r--arch/arm/mach-davinci/include/mach/serial.h4
-rw-r--r--arch/arm/mach-integrator/pci_v3.h7
-rw-r--r--arch/arm/mach-mvebu/coherency.c8
-rw-r--r--arch/arm/mach-mvebu/pmsu.c1
-rw-r--r--arch/arm/mach-mvebu/system-controller.c1
-rw-r--r--arch/arm/mach-shmobile/board-armadillo800eva.c4
-rw-r--r--arch/arm/mach-shmobile/board-lager.c27
-rw-r--r--arch/arm/mach-vexpress/tc2_pm.c11
-rw-r--r--arch/arm64/Kconfig.debug7
-rw-r--r--arch/arm64/configs/defconfig5
-rw-r--r--arch/arm64/include/asm/uaccess.h10
-rw-r--r--arch/arm64/kernel/fpsimd.c2
-rw-r--r--arch/arm64/mm/tlb.S2
-rw-r--r--arch/avr32/include/asm/Kbuild16
-rw-r--r--arch/avr32/include/asm/cputime.h6
-rw-r--r--arch/avr32/include/asm/delay.h1
-rw-r--r--arch/avr32/include/asm/device.h7
-rw-r--r--arch/avr32/include/asm/div64.h6
-rw-r--r--arch/avr32/include/asm/emergency-restart.h6
-rw-r--r--arch/avr32/include/asm/futex.h6
-rw-r--r--arch/avr32/include/asm/irq_regs.h1
-rw-r--r--arch/avr32/include/asm/local.h6
-rw-r--r--arch/avr32/include/asm/local64.h1
-rw-r--r--arch/avr32/include/asm/percpu.h6
-rw-r--r--arch/avr32/include/asm/scatterlist.h6
-rw-r--r--arch/avr32/include/asm/sections.h6
-rw-r--r--arch/avr32/include/asm/topology.h6
-rw-r--r--arch/avr32/include/asm/xor.h6
-rw-r--r--arch/avr32/kernel/process.c2
-rw-r--r--arch/avr32/kernel/time.c9
-rw-r--r--arch/mips/alchemy/board-mtx1.c2
-rw-r--r--arch/mips/include/asm/cpu-features.h2
-rw-r--r--arch/mips/mm/c-r4k.c2
-rw-r--r--arch/mips/mm/dma-default.c12
-rw-r--r--arch/openrisc/include/asm/prom.h44
-rw-r--r--arch/parisc/mm/fault.c5
-rw-r--r--arch/powerpc/boot/Makefile4
-rw-r--r--arch/powerpc/boot/epapr-wrapper.c9
-rw-r--r--arch/powerpc/boot/epapr.c4
-rw-r--r--arch/powerpc/boot/of.c16
-rwxr-xr-xarch/powerpc/boot/wrapper9
-rw-r--r--arch/powerpc/include/asm/irq.h4
-rw-r--r--arch/powerpc/include/asm/processor.h4
-rw-r--r--arch/powerpc/kernel/asm-offsets.c3
-rw-r--r--arch/powerpc/kernel/iommu.c2
-rw-r--r--arch/powerpc/kernel/irq.c100
-rw-r--r--arch/powerpc/kernel/misc_32.S25
-rw-r--r--arch/powerpc/kernel/misc_64.S10
-rw-r--r--arch/powerpc/kernel/process.c3
-rw-r--r--arch/powerpc/kernel/prom_init.c21
-rw-r--r--arch/powerpc/kernel/sysfs.c18
-rw-r--r--arch/powerpc/kernel/tm.S95
-rw-r--r--arch/powerpc/kernel/vio.c12
-rw-r--r--arch/powerpc/lib/checksum_64.S58
-rw-r--r--arch/powerpc/lib/sstep.c3
-rw-r--r--arch/powerpc/mm/init_64.c4
-rw-r--r--arch/powerpc/mm/mem.c9
-rw-r--r--arch/powerpc/perf/power8-pmu.c5
-rw-r--r--arch/powerpc/platforms/pseries/smp.c26
-rw-r--r--arch/s390/Kconfig2
-rw-r--r--arch/s390/include/asm/mutex.h2
-rw-r--r--arch/s390/include/asm/processor.h2
-rw-r--r--arch/s390/include/asm/spinlock.h5
-rw-r--r--arch/score/Kconfig4
-rw-r--r--arch/score/Makefile4
-rw-r--r--arch/score/include/asm/checksum.h93
-rw-r--r--arch/score/include/asm/io.h1
-rw-r--r--arch/score/include/asm/pgalloc.h2
-rw-r--r--arch/score/kernel/entry.S4
-rw-r--r--arch/score/kernel/process.c4
-rw-r--r--arch/sparc/Kconfig7
-rw-r--r--arch/sparc/include/asm/floppy_64.h2
-rw-r--r--arch/sparc/kernel/Makefile3
-rw-r--r--arch/sparc/kernel/ds.c5
-rw-r--r--arch/sparc/kernel/ldc.c4
-rw-r--r--arch/x86/include/asm/xen/page.h31
-rw-r--r--arch/x86/kernel/cpu/perf_event.c12
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel.c1
-rw-r--r--arch/x86/kernel/cpu/perf_event_intel_uncore.c10
-rw-r--r--arch/x86/kernel/microcode_amd.c1
-rw-r--r--arch/x86/kernel/reboot.c18
-rw-r--r--arch/x86/kernel/sysfb_simplefb.c4
-rw-r--r--arch/x86/kvm/vmx.c4
-rw-r--r--arch/x86/platform/efi/efi.c11
-rw-r--r--arch/x86/xen/p2m.c10
-rw-r--r--arch/x86/xen/spinlock.c26
-rw-r--r--block/Kconfig9
-rw-r--r--block/Makefile2
-rw-r--r--block/partitions/Kconfig4
-rw-r--r--block/partitions/cmdline.c8
-rw-r--r--drivers/acpi/acpi_ipmi.c24
-rw-r--r--drivers/acpi/scan.c2
-rw-r--r--drivers/ata/sata_promise.c2
-rw-r--r--drivers/base/core.c14
-rw-r--r--drivers/bcma/driver_pci.c49
-rw-r--r--drivers/block/cciss.c1
-rw-r--r--drivers/block/cpqarray.c1
-rw-r--r--drivers/bluetooth/ath3k.c2
-rw-r--r--drivers/bluetooth/btusb.c5
-rw-r--r--drivers/bus/mvebu-mbus.c12
-rw-r--r--drivers/char/tpm/xen-tpmfront.c36
-rw-r--r--drivers/clocksource/Kconfig1
-rw-r--r--drivers/clocksource/clksrc-of.c3
-rw-r--r--drivers/clocksource/em_sti.c2
-rw-r--r--drivers/clocksource/exynos_mct.c10
-rw-r--r--drivers/cpufreq/acpi-cpufreq.c4
-rw-r--r--drivers/cpufreq/cpufreq.c3
-rw-r--r--drivers/cpufreq/exynos5440-cpufreq.c2
-rw-r--r--drivers/gpio/gpio-rcar.c7
-rw-r--r--drivers/gpu/drm/i2c/tda998x_drv.c3
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c8
-rw-r--r--drivers/gpu/drm/i915/i915_gpu_error.c6
-rw-r--r--drivers/gpu/drm/i915/intel_display.c4
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c13
-rw-r--r--drivers/gpu/drm/i915/intel_tv.c8
-rw-r--r--drivers/gpu/drm/msm/mdp4/mdp4_kms.c2
-rw-r--r--drivers/gpu/drm/msm/msm_drv.c8
-rw-r--r--drivers/gpu/drm/msm/msm_gem.c7
-rw-r--r--drivers/gpu/drm/radeon/btc_dpm.c51
-rw-r--r--drivers/gpu/drm/radeon/btc_dpm.h2
-rw-r--r--drivers/gpu/drm/radeon/ci_dpm.c26
-rw-r--r--drivers/gpu/drm/radeon/cik.c17
-rw-r--r--drivers/gpu/drm/radeon/ni_dpm.c24
-rw-r--r--drivers/gpu/drm/radeon/r100.c8
-rw-r--r--drivers/gpu/drm/radeon/r600_dpm.c2
-rw-r--r--drivers/gpu/drm/radeon/r600_hdmi.c20
-rw-r--r--drivers/gpu/drm/radeon/radeon_asic.c2
-rw-r--r--drivers/gpu/drm/radeon/radeon_atombios.c66
-rw-r--r--drivers/gpu/drm/radeon/radeon_cs.c5
-rw-r--r--drivers/gpu/drm/radeon/radeon_device.c15
-rw-r--r--drivers/gpu/drm/radeon/radeon_pm.c8
-rw-r--r--drivers/gpu/drm/radeon/radeon_ring.c8
-rw-r--r--drivers/gpu/drm/radeon/radeon_uvd.c3
-rw-r--r--drivers/gpu/drm/radeon/si_dpm.c24
-rw-r--r--drivers/gpu/drm/radeon/uvd_v1_0.c4
-rw-r--r--drivers/hv/connection.c2
-rw-r--r--drivers/hv/hv_kvp.c38
-rw-r--r--drivers/hv/hv_snapshot.c6
-rw-r--r--drivers/hv/hv_util.c71
-rw-r--r--drivers/hwmon/applesmc.c11
-rw-r--r--drivers/i2c/busses/i2c-designware-core.c26
-rw-r--r--drivers/i2c/busses/i2c-ismt.c3
-rw-r--r--drivers/i2c/busses/i2c-mv64xxx.c16
-rw-r--r--drivers/i2c/busses/i2c-s3c2410.c2
-rw-r--r--drivers/md/bcache/bcache.h7
-rw-r--r--drivers/md/bcache/bset.c39
-rw-r--r--drivers/md/bcache/btree.c4
-rw-r--r--drivers/md/bcache/journal.c33
-rw-r--r--drivers/md/bcache/request.c15
-rw-r--r--drivers/md/bcache/sysfs.c9
-rw-r--r--drivers/md/bcache/util.c11
-rw-r--r--drivers/md/bcache/util.h12
-rw-r--r--drivers/md/bcache/writeback.c42
-rw-r--r--drivers/md/dm-io.c7
-rw-r--r--drivers/md/dm-mpath.c18
-rw-r--r--drivers/md/dm-snap-persistent.c2
-rw-r--r--drivers/md/dm-snap.c5
-rw-r--r--drivers/md/dm-stats.c23
-rw-r--r--drivers/md/dm-thin.c14
-rw-r--r--drivers/md/dm.c71
-rw-r--r--drivers/md/dm.h3
-rw-r--r--drivers/misc/mei/amthif.c1
-rw-r--r--drivers/misc/mei/bus.c5
-rw-r--r--drivers/misc/mei/client.h6
-rw-r--r--drivers/misc/mei/hbm.c10
-rw-r--r--drivers/misc/mei/init.c3
-rw-r--r--drivers/misc/mei/main.c11
-rw-r--r--drivers/misc/mei/mei_dev.h6
-rw-r--r--drivers/mmc/host/sh_mobile_sdhi.c16
-rw-r--r--drivers/net/bonding/bond_main.c13
-rw-r--r--drivers/net/can/flexcan.c12
-rw-r--r--drivers/net/can/slcan.c139
-rw-r--r--drivers/net/can/usb/peak_usb/pcan_usb_core.c15
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c3
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c189
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c24
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c5
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c50
-rw-r--r--drivers/net/ethernet/emulex/benet/be.h2
-rw-r--r--drivers/net/ethernet/emulex/benet/be_cmds.c9
-rw-r--r--drivers/net/ethernet/emulex/benet/be_cmds.h4
-rw-r--r--drivers/net/ethernet/emulex/benet/be_main.c76
-rw-r--r--drivers/net/ethernet/freescale/gianfar_ptp.c4
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_adminq.c7
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_common.c2
-rw-r--r--drivers/net/ethernet/intel/i40e/i40e_main.c162
-rw-r--r--drivers/net/ethernet/intel/igb/igb_ethtool.c3
-rw-r--r--drivers/net/ethernet/marvell/skge.c9
-rw-r--r--drivers/net/ethernet/moxa/moxart_ether.c2
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c8
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c39
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c8
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c12
-rw-r--r--drivers/net/ethernet/qlogic/qlge/qlge_dbg.c4
-rw-r--r--drivers/net/ethernet/qlogic/qlge/qlge_mpi.c2
-rw-r--r--drivers/net/ethernet/sfc/mcdi.c10
-rw-r--r--drivers/net/ethernet/via/via-rhine.c9
-rw-r--r--drivers/net/ethernet/xilinx/ll_temac_main.c6
-rw-r--r--drivers/net/slip/slip.c3
-rw-r--r--drivers/net/usb/dm9601.c2
-rw-r--r--drivers/net/usb/qmi_wwan.c2
-rw-r--r--drivers/net/usb/usbnet.c27
-rw-r--r--drivers/net/vxlan.c9
-rw-r--r--drivers/net/wireless/ath/ath9k/recv.c7
-rw-r--r--drivers/net/wireless/ath/ath9k/xmit.c17
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c28
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h3
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c14
-rw-r--r--drivers/net/wireless/brcm80211/brcmfmac/usb.c2
-rw-r--r--drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c4
-rw-r--r--drivers/net/wireless/cw1200/cw1200_spi.c26
-rw-r--r--drivers/net/wireless/cw1200/fwio.c2
-rw-r--r--drivers/net/wireless/cw1200/hwbus.h1
-rw-r--r--drivers/net/wireless/cw1200/hwio.c15
-rw-r--r--drivers/net/wireless/mwifiex/11n_aggr.c3
-rw-r--r--drivers/net/wireless/mwifiex/11n_aggr.h2
-rw-r--r--drivers/net/wireless/mwifiex/cmdevt.c5
-rw-r--r--drivers/net/wireless/mwifiex/usb.c7
-rw-r--r--drivers/net/wireless/mwifiex/wmm.c3
-rw-r--r--drivers/net/wireless/p54/p54usb.c2
-rw-r--r--drivers/net/wireless/rtlwifi/wifi.h2
-rw-r--r--drivers/net/xen-netback/xenbus.c148
-rw-r--r--drivers/pci/pci.c8
-rw-r--r--drivers/pinctrl/pinconf.c4
-rw-r--r--drivers/pinctrl/pinctrl-exynos.c12
-rw-r--r--drivers/pinctrl/pinctrl-palmas.c5
-rw-r--r--drivers/pinctrl/pinctrl-tegra114.c5
-rw-r--r--drivers/regulator/da9063-regulator.c2
-rw-r--r--drivers/regulator/palmas-regulator.c14
-rw-r--r--drivers/regulator/ti-abb-regulator.c16
-rw-r--r--drivers/regulator/wm831x-ldo.c4
-rw-r--r--drivers/regulator/wm8350-regulator.c2
-rw-r--r--drivers/staging/imx-drm/imx-drm-core.c11
-rw-r--r--drivers/staging/lustre/lustre/obdecho/echo_client.c2
-rw-r--r--drivers/staging/octeon-usb/cvmx-usb.c2
-rw-r--r--drivers/staging/rtl8188eu/core/rtw_mp.c2
-rw-r--r--drivers/staging/rtl8188eu/hal/rtl8188e_dm.c2
-rw-r--r--drivers/staging/rtl8188eu/os_dep/ioctl_linux.c2
-rw-r--r--drivers/staging/rtl8188eu/os_dep/usb_intf.c1
-rw-r--r--drivers/staging/rtl8192u/r819xU_cmdpkt.c2
-rw-r--r--drivers/staging/vt6656/iwctl.c3
-rw-r--r--drivers/staging/vt6656/main_usb.c3
-rw-r--r--drivers/staging/vt6656/rxtx.c2
-rw-r--r--drivers/tty/n_tty.c3
-rw-r--r--drivers/tty/serial/pch_uart.c13
-rw-r--r--drivers/tty/serial/serial-tegra.c4
-rw-r--r--drivers/tty/tty_ioctl.c3
-rw-r--r--drivers/usb/chipidea/Kconfig2
-rw-r--r--drivers/usb/chipidea/ci_hdrc_imx.c7
-rw-r--r--drivers/usb/chipidea/core.c1
-rw-r--r--drivers/usb/chipidea/udc.c4
-rw-r--r--drivers/usb/core/devio.c16
-rw-r--r--drivers/usb/core/hub.c3
-rw-r--r--drivers/usb/dwc3/dwc3-pci.c2
-rw-r--r--drivers/usb/gadget/f_fs.c60
-rw-r--r--drivers/usb/host/ehci-fsl.c17
-rw-r--r--drivers/usb/host/ehci-pci.c2
-rw-r--r--drivers/usb/host/imx21-hcd.c8
-rw-r--r--drivers/usb/host/ohci-hcd.c22
-rw-r--r--drivers/usb/host/ohci-q.c26
-rw-r--r--drivers/usb/host/uhci-pci.c2
-rw-r--r--drivers/usb/host/uhci-q.c12
-rw-r--r--drivers/usb/host/xhci-hub.c47
-rw-r--r--drivers/usb/host/xhci-mem.c2
-rw-r--r--drivers/usb/host/xhci-pci.c2
-rw-r--r--drivers/usb/host/xhci-ring.c37
-rw-r--r--drivers/usb/host/xhci.c25
-rw-r--r--drivers/usb/host/xhci.h11
-rw-r--r--drivers/video/mmp/hw/mmp_ctrl.c17
-rw-r--r--drivers/video/mxsfb.c1
-rw-r--r--drivers/video/neofb.c4
-rw-r--r--drivers/video/of_display_timing.c6
-rw-r--r--drivers/video/omap2/displays-new/Kconfig1
-rw-r--r--drivers/video/omap2/displays-new/connector-analog-tv.c2
-rw-r--r--drivers/video/omap2/displays-new/connector-dvi.c2
-rw-r--r--drivers/video/omap2/displays-new/connector-hdmi.c2
-rw-r--r--drivers/video/omap2/dss/dispc.c1
-rw-r--r--drivers/video/s3fb.c9
-rw-r--r--drivers/xen/balloon.c23
-rw-r--r--fs/afs/dir.c3
-rw-r--r--fs/aio.c52
-rw-r--r--fs/binfmt_elf.c30
-rw-r--r--fs/bio.c4
-rw-r--r--fs/nfs/dir.c2
-rw-r--r--fs/nfs/nfs4file.c3
-rw-r--r--fs/nfs/nfs4filelayoutdev.c20
-rw-r--r--fs/nfs/nfs4proc.c58
-rw-r--r--fs/nilfs2/page.c2
-rw-r--r--fs/nilfs2/segment.c11
-rw-r--r--fs/ocfs2/dcache.c7
-rw-r--r--fs/ocfs2/super.c2
-rw-r--r--fs/reiserfs/journal.c67
-rw-r--r--fs/super.c4
-rw-r--r--fs/sysv/super.c1
-rw-r--r--fs/udf/ialloc.c16
-rw-r--r--fs/udf/super.c64
-rw-r--r--fs/udf/udf_sb.h2
-rw-r--r--fs/xfs/xfs_buf_item.c1
-rw-r--r--fs/xfs/xfs_da_btree.c5
-rw-r--r--fs/xfs/xfs_fs.h2
-rw-r--r--fs/xfs/xfs_icache.c9
-rw-r--r--fs/xfs/xfs_log_recover.c73
-rw-r--r--include/asm-generic/hugetlb.h4
-rw-r--r--include/asm-generic/vtime.h1
-rw-r--r--include/linux/balloon_compaction.h25
-rw-r--r--include/linux/bcma/bcma_driver_pci.h1
-rw-r--r--include/linux/device-mapper.h3
-rw-r--r--include/linux/hyperv.h7
-rw-r--r--include/linux/kernel.h11
-rw-r--r--include/linux/memcontrol.h55
-rw-r--r--include/linux/mutex.h6
-rw-r--r--include/linux/nfs_xdr.h3
-rw-r--r--include/linux/of_irq.h20
-rw-r--r--include/linux/regulator/driver.h2
-rw-r--r--include/linux/skbuff.h2
-rw-r--r--include/linux/smp.h6
-rw-r--r--include/linux/usb/usbnet.h1
-rw-r--r--include/net/addrconf.h4
-rw-r--r--include/net/bluetooth/hci.h1
-rw-r--r--include/net/ip_vs.h9
-rw-r--r--include/net/mrp.h1
-rw-r--r--include/net/net_namespace.h1
-rw-r--r--include/net/netfilter/nf_conntrack_synproxy.h2
-rw-r--r--include/net/secure_seq.h1
-rw-r--r--include/net/sock.h5
-rw-r--r--include/uapi/drm/radeon_drm.h2
-rw-r--r--include/uapi/linux/perf_event.h15
-rw-r--r--ipc/msg.c32
-rw-r--r--ipc/sem.c214
-rw-r--r--ipc/shm.c17
-rw-r--r--ipc/util.c32
-rw-r--r--ipc/util.h10
-rw-r--r--kernel/audit.c5
-rw-r--r--kernel/context_tracking.c12
-rw-r--r--kernel/events/core.c21
-rw-r--r--kernel/kmod.c4
-rw-r--r--kernel/params.c6
-rw-r--r--kernel/pid.c5
-rw-r--r--kernel/reboot.c9
-rw-r--r--kernel/sched/fair.c9
-rw-r--r--kernel/softirq.c15
-rw-r--r--kernel/watchdog.c60
-rw-r--r--lib/hexdump.c2
-rw-r--r--lib/kobject.c5
-rw-r--r--lib/lockref.c23
-rw-r--r--mm/Kconfig2
-rw-r--r--mm/bounce.c2
-rw-r--r--mm/compaction.c7
-rw-r--r--mm/hwpoison-inject.c5
-rw-r--r--mm/madvise.c5
-rw-r--r--mm/memcontrol.c560
-rw-r--r--mm/memory-failure.c8
-rw-r--r--mm/migrate.c2
-rw-r--r--mm/mlock.c9
-rw-r--r--mm/page_alloc.c4
-rw-r--r--mm/vmscan.c87
-rw-r--r--net/802/mrp.c27
-rw-r--r--net/bluetooth/hci_core.c26
-rw-r--r--net/bluetooth/hci_event.c6
-rw-r--r--net/bluetooth/l2cap_core.c7
-rw-r--r--net/bluetooth/rfcomm/tty.c35
-rw-r--r--net/core/dev.c49
-rw-r--r--net/core/flow_dissector.c4
-rw-r--r--net/core/secure_seq.c27
-rw-r--r--net/ipv4/af_inet.c4
-rw-r--r--net/ipv4/igmp.c4
-rw-r--r--net/ipv4/ip_tunnel.c22
-rw-r--r--net/ipv4/ip_tunnel_core.c2
-rw-r--r--net/ipv4/netfilter/ipt_SYNPROXY.c10
-rw-r--r--net/ipv4/raw.c4
-rw-r--r--net/ipv4/tcp_output.c17
-rw-r--r--net/ipv4/udp.c2
-rw-r--r--net/ipv6/addrconf.c79
-rw-r--r--net/ipv6/ip6_gre.c4
-rw-r--r--net/ipv6/ip6_output.c53
-rw-r--r--net/ipv6/ip6_tunnel.c3
-rw-r--r--net/ipv6/mcast.c6
-rw-r--r--net/ipv6/netfilter/ip6t_SYNPROXY.c10
-rw-r--r--net/ipv6/raw.c4
-rw-r--r--net/ipv6/sit.c86
-rw-r--r--net/ipv6/udp.c4
-rw-r--r--net/lapb/lapb_timer.c1
-rw-r--r--net/netfilter/ipvs/ip_vs_core.c12
-rw-r--r--net/netfilter/ipvs/ip_vs_ctl.c86
-rw-r--r--net/netfilter/ipvs/ip_vs_est.c4
-rw-r--r--net/netfilter/ipvs/ip_vs_lblc.c72
-rw-r--r--net/netfilter/ipvs/ip_vs_lblcr.c62
-rw-r--r--net/netfilter/ipvs/ip_vs_nq.c8
-rw-r--r--net/netfilter/ipvs/ip_vs_sed.c8
-rw-r--r--net/netfilter/ipvs/ip_vs_wlc.c6
-rw-r--r--net/netfilter/nf_synproxy_core.c12
-rw-r--r--net/sched/sch_fq.c102
-rwxr-xr-xscripts/checkpatch.pl4
-rw-r--r--security/apparmor/crypto.c34
-rw-r--r--security/apparmor/include/policy.h4
-rw-r--r--security/apparmor/policy.c3
-rw-r--r--sound/core/compress_offload.c15
-rw-r--r--sound/pci/ac97/ac97_codec.c1
-rw-r--r--sound/pci/hda/patch_cirrus.c72
-rw-r--r--sound/pci/hda/patch_conexant.c11
-rw-r--r--sound/pci/hda/patch_hdmi.c47
-rw-r--r--sound/pci/hda/patch_realtek.c16
-rw-r--r--sound/soc/blackfin/bf6xx-i2s.c1
-rw-r--r--sound/soc/codecs/88pm860x-codec.c3
-rw-r--r--sound/soc/codecs/ab8500-codec.c7
-rw-r--r--sound/soc/codecs/max98095.c4
-rw-r--r--sound/soc/fsl/imx-sgtl5000.c7
-rw-r--r--sound/soc/soc-core.c1
-rw-r--r--tools/lib/lk/debugfs.c1
-rw-r--r--tools/perf/arch/x86/util/tsc.c6
-rw-r--r--tools/perf/builtin-inject.c2
-rw-r--r--tools/perf/builtin-kmem.c2
-rw-r--r--tools/perf/builtin-report.c5
-rw-r--r--tools/perf/builtin-script.c2
-rw-r--r--tools/perf/builtin-trace.c18
-rw-r--r--tools/perf/config/Makefile5
-rw-r--r--tools/perf/config/feature-tests.mak10
-rw-r--r--tools/perf/util/annotate.c2
-rw-r--r--tools/perf/util/dwarf-aux.c19
-rw-r--r--tools/perf/util/dwarf-aux.h3
-rw-r--r--tools/perf/util/header.c41
-rw-r--r--tools/perf/util/hist.c2
-rw-r--r--tools/perf/util/machine.c2
-rw-r--r--tools/perf/util/probe-finder.c89
-rw-r--r--tools/perf/util/probe-finder.h3
-rw-r--r--tools/perf/util/session.c9
-rw-r--r--tools/perf/util/session.h4
-rw-r--r--tools/perf/util/symbol-elf.c16
-rw-r--r--tools/perf/util/trace-event-parse.c2
-rw-r--r--virt/kvm/kvm_main.c6
475 files changed, 4666 insertions, 2613 deletions
diff --git a/CREDITS b/CREDITS
index 9416a9a8b95e..0640e1650483 100644
--- a/CREDITS
+++ b/CREDITS
@@ -2808,8 +2808,7 @@ S: Ottawa, Ontario
S: Canada K2P 0X8
N: Mikael Pettersson
-E: mikpe@it.uu.se
-W: http://user.it.uu.se/~mikpe/linux/
+E: mikpelinux@gmail.com
D: Miscellaneous fixes
N: Reed H. Petty
diff --git a/Documentation/block/00-INDEX b/Documentation/block/00-INDEX
index d18ecd827c40..929d9904f74b 100644
--- a/Documentation/block/00-INDEX
+++ b/Documentation/block/00-INDEX
@@ -6,6 +6,8 @@ capability.txt
- Generic Block Device Capability (/sys/block/<device>/capability)
cfq-iosched.txt
- CFQ IO scheduler tunables
+cmdline-partition.txt
+ - how to specify block device partitions on kernel command line
data-integrity.txt
- Block data integrity
deadline-iosched.txt
diff --git a/Documentation/block/cmdline-partition.txt b/Documentation/block/cmdline-partition.txt
index 2bbf4cc40c3f..525b9f6d7fb4 100644
--- a/Documentation/block/cmdline-partition.txt
+++ b/Documentation/block/cmdline-partition.txt
@@ -1,9 +1,9 @@
-Embedded device command line partition
+Embedded device command line partition parsing
=====================================================================
-Read block device partition table from command line.
-The partition used for fixed block device (eMMC) embedded device.
-It is no MBR, save storage space. Bootloader can be easily accessed
+Support for reading the block device partition table from the command line.
+It is typically used for fixed block (eMMC) embedded devices.
+It has no MBR, so saves storage space. Bootloader can be easily accessed
by absolute address of data on the block device.
Users can easily change the partition.
diff --git a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
index 6d1c0988cfc7..c67b975c8906 100644
--- a/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/exynos-dw-mshc.txt
@@ -1,11 +1,11 @@
-* Samsung Exynos specific extensions to the Synopsis Designware Mobile
+* Samsung Exynos specific extensions to the Synopsys Designware Mobile
Storage Host Controller
-The Synopsis designware mobile storage host controller is used to interface
+The Synopsys designware mobile storage host controller is used to interface
a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
-differences between the core Synopsis dw mshc controller properties described
-by synopsis-dw-mshc.txt and the properties used by the Samsung Exynos specific
-extensions to the Synopsis Designware Mobile Storage Host Controller.
+differences between the core Synopsys dw mshc controller properties described
+by synopsys-dw-mshc.txt and the properties used by the Samsung Exynos specific
+extensions to the Synopsys Designware Mobile Storage Host Controller.
Required Properties:
diff --git a/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt
index 8a3d91d47b6a..c559f3f36309 100644
--- a/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/rockchip-dw-mshc.txt
@@ -1,11 +1,11 @@
-* Rockchip specific extensions to the Synopsis Designware Mobile
+* Rockchip specific extensions to the Synopsys Designware Mobile
Storage Host Controller
-The Synopsis designware mobile storage host controller is used to interface
+The Synopsys designware mobile storage host controller is used to interface
a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
-differences between the core Synopsis dw mshc controller properties described
-by synopsis-dw-mshc.txt and the properties used by the Rockchip specific
-extensions to the Synopsis Designware Mobile Storage Host Controller.
+differences between the core Synopsys dw mshc controller properties described
+by synopsys-dw-mshc.txt and the properties used by the Rockchip specific
+extensions to the Synopsys Designware Mobile Storage Host Controller.
Required Properties:
diff --git a/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
index cdcebea9c6f5..066a78b034ca 100644
--- a/Documentation/devicetree/bindings/mmc/synopsis-dw-mshc.txt
+++ b/Documentation/devicetree/bindings/mmc/synopsys-dw-mshc.txt
@@ -1,14 +1,14 @@
-* Synopsis Designware Mobile Storage Host Controller
+* Synopsys Designware Mobile Storage Host Controller
-The Synopsis designware mobile storage host controller is used to interface
+The Synopsys designware mobile storage host controller is used to interface
a SoC with storage medium such as eMMC or SD/MMC cards. This file documents
differences between the core mmc properties described by mmc.txt and the
-properties used by the Synopsis Designware Mobile Storage Host Controller.
+properties used by the Synopsys Designware Mobile Storage Host Controller.
Required Properties:
* compatible: should be
- - snps,dw-mshc: for controllers compliant with synopsis dw-mshc.
+ - snps,dw-mshc: for controllers compliant with synopsys dw-mshc.
* #address-cells: should be 1.
* #size-cells: should be 0.
diff --git a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt
index df204e18e030..6a2a1160a70d 100644
--- a/Documentation/devicetree/bindings/mmc/tmio_mmc.txt
+++ b/Documentation/devicetree/bindings/mmc/tmio_mmc.txt
@@ -9,12 +9,15 @@ compulsory and any optional properties, common to all SD/MMC drivers, as
described in mmc.txt, can be used. Additionally the following tmio_mmc-specific
optional bindings can be used.
+Required properties:
+- compatible: "renesas,sdhi-shmobile" - a generic sh-mobile SDHI unit
+ "renesas,sdhi-sh7372" - SDHI IP on SH7372 SoC
+ "renesas,sdhi-sh73a0" - SDHI IP on SH73A0 SoC
+ "renesas,sdhi-r8a73a4" - SDHI IP on R8A73A4 SoC
+ "renesas,sdhi-r8a7740" - SDHI IP on R8A7740 SoC
+ "renesas,sdhi-r8a7778" - SDHI IP on R8A7778 SoC
+ "renesas,sdhi-r8a7779" - SDHI IP on R8A7779 SoC
+ "renesas,sdhi-r8a7790" - SDHI IP on R8A7790 SoC
+
Optional properties:
- toshiba,mmc-wrprotect-disable: write-protect detection is unavailable
-
-When used with Renesas SDHI hardware, the following compatibility strings
-configure various model-specific properties:
-
-"renesas,sh7372-sdhi": (default) compatible with SH7372
-"renesas,r8a7740-sdhi": compatible with R8A7740: certain MMC/SD commands have to
- wait for the interface to become idle.
diff --git a/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt b/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt
index 2c6be0377f55..d2ea4605d078 100644
--- a/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt
+++ b/Documentation/devicetree/bindings/net/fsl-tsec-phy.txt
@@ -86,6 +86,7 @@ General Properties:
Clock Properties:
+ - fsl,cksel Timer reference clock source.
- fsl,tclk-period Timer reference clock period in nanoseconds.
- fsl,tmr-prsc Prescaler, divides the output clock.
- fsl,tmr-add Frequency compensation value.
@@ -97,7 +98,7 @@ Clock Properties:
clock. You must choose these carefully for the clock to work right.
Here is how to figure good values:
- TimerOsc = system clock MHz
+ TimerOsc = selected reference clock MHz
tclk_period = desired clock period nanoseconds
NominalFreq = 1000 / tclk_period MHz
FreqDivRatio = TimerOsc / NominalFreq (must be greater that 1.0)
@@ -114,6 +115,20 @@ Clock Properties:
Pulse Per Second (PPS) signal, since this will be offered to the PPS
subsystem to synchronize the Linux clock.
+ Reference clock source is determined by the value, which is holded
+ in CKSEL bits in TMR_CTRL register. "fsl,cksel" property keeps the
+ value, which will be directly written in those bits, that is why,
+ according to reference manual, the next clock sources can be used:
+
+ <0> - external high precision timer reference clock (TSEC_TMR_CLK
+ input is used for this purpose);
+ <1> - eTSEC system clock;
+ <2> - eTSEC1 transmit clock;
+ <3> - RTC clock input.
+
+ When this attribute is not used, eTSEC system clock will serve as
+ IEEE 1588 timer reference clock.
+
Example:
ptp_clock@24E00 {
@@ -121,6 +136,7 @@ Example:
reg = <0x24E00 0xB0>;
interrupts = <12 0x8 13 0x8>;
interrupt-parent = < &ipic >;
+ fsl,cksel = <1>;
fsl,tclk-period = <10>;
fsl,tmr-prsc = <100>;
fsl,tmr-add = <0x999999A4>;
diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
index eabcb4b5db6e..e216af356847 100644
--- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
@@ -1,4 +1,4 @@
-* Synopsis Designware PCIe interface
+* Synopsys Designware PCIe interface
Required properties:
- compatible: should contain "snps,dw-pcie" to identify the
diff --git a/Documentation/devicetree/bindings/tty/serial/qca,ar9330-uart.txt b/Documentation/devicetree/bindings/serial/qca,ar9330-uart.txt
index c5e032c85bf9..c5e032c85bf9 100644
--- a/Documentation/devicetree/bindings/tty/serial/qca,ar9330-uart.txt
+++ b/Documentation/devicetree/bindings/serial/qca,ar9330-uart.txt
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1a036cd972fb..fcbb736d55fe 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -480,6 +480,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
Format: <io>,<irq>,<mode>
See header of drivers/net/hamradio/baycom_ser_hdx.c.
+ blkdevparts= Manual partition parsing of block device(s) for
+ embedded devices based on command line input.
+ See Documentation/block/cmdline-partition.txt
+
boot_delay= Milliseconds to delay each printk during boot.
Values larger than 10 seconds (10000) are changed to
no delay (0).
@@ -1357,7 +1361,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
pages. In the event, a node is too small to have both
kernelcore and Movable pages, kernelcore pages will
take priority and other nodes will have a larger number
- of kernelcore pages. The Movable zone is used for the
+ of Movable pages. The Movable zone is used for the
allocation of pages that may be reclaimed or moved
by the page migration subsystem. This means that
HugeTLB pages may not be allocated from this zone.
@@ -3485,6 +3489,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
the unplug protocol
never -- do not unplug even if version check succeeds
+ xen_nopvspin [X86,XEN]
+ Disables the ticketlock slowpath using Xen PV
+ optimizations.
+
xirc2ps_cs= [NET,PCMCIA]
Format:
<irq>,<irq_mask>,<io>,<full_duplex>,<do_sound>,<lockup_hack>[,<irq2>[,<irq3>[,<irq4>]]]
diff --git a/Documentation/sound/alsa/HD-Audio-Models.txt b/Documentation/sound/alsa/HD-Audio-Models.txt
index a46ddb85e83a..f911e3656209 100644
--- a/Documentation/sound/alsa/HD-Audio-Models.txt
+++ b/Documentation/sound/alsa/HD-Audio-Models.txt
@@ -296,6 +296,12 @@ Cirrus Logic CS4206/4207
imac27 IMac 27 Inch
auto BIOS setup (default)
+Cirrus Logic CS4208
+===================
+ mba6 MacBook Air 6,1 and 6,2
+ gpio0 Enable GPIO 0 amp
+ auto BIOS setup (default)
+
VIA VT17xx/VT18xx/VT20xx
========================
auto BIOS setup (default)
diff --git a/MAINTAINERS b/MAINTAINERS
index 25d2d56b4e6a..8a0cbf3cf2c8 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -824,15 +824,21 @@ S: Maintained
F: arch/arm/mach-gemini/
ARM/CSR SIRFPRIMA2 MACHINE SUPPORT
-M: Barry Song <baohua.song@csr.com>
+M: Barry Song <baohua@kernel.org>
L: linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
T: git git://git.kernel.org/pub/scm/linux/kernel/git/baohua/linux.git
S: Maintained
F: arch/arm/mach-prima2/
+F: drivers/clk/clk-prima2.c
+F: drivers/clocksource/timer-prima2.c
+F: drivers/clocksource/timer-marco.c
F: drivers/dma/sirf-dma.c
F: drivers/i2c/busses/i2c-sirf.c
+F: drivers/input/misc/sirfsoc-onkey.c
+F: drivers/irqchip/irq-sirfsoc.c
F: drivers/mmc/host/sdhci-sirf.c
F: drivers/pinctrl/sirf/
+F: drivers/rtc/rtc-sirfsoc.c
F: drivers/spi/spi-sirf.c
ARM/EBSA110 MACHINE SUPPORT
@@ -1812,7 +1818,8 @@ S: Supported
F: drivers/net/ethernet/broadcom/bnx2x/
BROADCOM BCM281XX/BCM11XXX ARM ARCHITECTURE
-M: Christian Daudt <csd@broadcom.com>
+M: Christian Daudt <bcm@fixthebug.org>
+L: bcm-kernel-feedback-list@broadcom.com
T: git git://git.github.com/broadcom/bcm11351
S: Maintained
F: arch/arm/mach-bcm/
@@ -2639,6 +2646,18 @@ F: include/linux/device-mapper.h
F: include/linux/dm-*.h
F: include/uapi/linux/dm-*.h
+DIGI NEO AND CLASSIC PCI PRODUCTS
+M: Lidza Louina <lidza.louina@gmail.com>
+L: driverdev-devel@linuxdriverproject.org
+S: Maintained
+F: drivers/staging/dgnc/
+
+DIGI EPCA PCI PRODUCTS
+M: Lidza Louina <lidza.louina@gmail.com>
+L: driverdev-devel@linuxdriverproject.org
+S: Maintained
+F: drivers/staging/dgap/
+
DIOLAN U2C-12 I2C DRIVER
M: Guenter Roeck <linux@roeck-us.net>
L: linux-i2c@vger.kernel.org
@@ -6602,7 +6621,7 @@ S: Obsolete
F: drivers/net/wireless/prism54/
PROMISE SATA TX2/TX4 CONTROLLER LIBATA DRIVER
-M: Mikael Pettersson <mikpe@it.uu.se>
+M: Mikael Pettersson <mikpelinux@gmail.com>
L: linux-ide@vger.kernel.org
S: Maintained
F: drivers/ata/sata_promise.*
@@ -7265,9 +7284,9 @@ F: include/linux/sched.h
F: include/uapi/linux/sched.h
SCORE ARCHITECTURE
-M: Chen Liqin <liqin.chen@sunplusct.com>
+M: Chen Liqin <liqin.linux@gmail.com>
M: Lennox Wu <lennox.wu@gmail.com>
-W: http://www.sunplusct.com
+W: http://www.sunplus.com
S: Supported
F: arch/score/
@@ -8731,9 +8750,8 @@ F: Documentation/hid/hiddev.txt
F: drivers/hid/usbhid/
USB/IP DRIVERS
-M: Matt Mooney <mfm@muteddisk.com>
L: linux-usb@vger.kernel.org
-S: Maintained
+S: Orphan
F: drivers/staging/usbip/
USB ISP116X DRIVER
@@ -9373,6 +9391,7 @@ F: arch/arm64/include/asm/xen/
XEN NETWORK BACKEND DRIVER
M: Ian Campbell <ian.campbell@citrix.com>
+M: Wei Liu <wei.liu2@citrix.com>
L: xen-devel@lists.xenproject.org (moderated for non-subscribers)
L: netdev@vger.kernel.org
S: Supported
diff --git a/Makefile b/Makefile
index 8d0668f473ba..2ae108d4f2af 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 3
PATCHLEVEL = 12
SUBLEVEL = 0
-EXTRAVERSION = -rc2
+EXTRAVERSION = -rc3
NAME = One Giant Leap for Frogkind
# *DOCUMENTATION*
diff --git a/arch/Kconfig b/arch/Kconfig
index 1feb169274fe..af2cc6eabcc7 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -286,9 +286,6 @@ config HAVE_PERF_USER_STACK_DUMP
config HAVE_ARCH_JUMP_LABEL
bool
-config HAVE_ARCH_MUTEX_CPU_RELAX
- bool
-
config HAVE_RCU_TABLE_FREE
bool
diff --git a/arch/arc/include/asm/spinlock.h b/arch/arc/include/asm/spinlock.h
index f158197ac5b0..b6a8c2dfbe6e 100644
--- a/arch/arc/include/asm/spinlock.h
+++ b/arch/arc/include/asm/spinlock.h
@@ -45,7 +45,14 @@ static inline int arch_spin_trylock(arch_spinlock_t *lock)
static inline void arch_spin_unlock(arch_spinlock_t *lock)
{
- lock->slock = __ARCH_SPIN_LOCK_UNLOCKED__;
+ unsigned int tmp = __ARCH_SPIN_LOCK_UNLOCKED__;
+
+ __asm__ __volatile__(
+ " ex %0, [%1] \n"
+ : "+r" (tmp)
+ : "r"(&(lock->slock))
+ : "memory");
+
smp_mb();
}
diff --git a/arch/arc/include/asm/uaccess.h b/arch/arc/include/asm/uaccess.h
index 32420824375b..30c9baffa96f 100644
--- a/arch/arc/include/asm/uaccess.h
+++ b/arch/arc/include/asm/uaccess.h
@@ -43,7 +43,7 @@
* Because it essentially checks if buffer end is within limit and @len is
* non-ngeative, which implies that buffer start will be within limit too.
*
- * The reason for rewriting being, for majorit yof cases, @len is generally
+ * The reason for rewriting being, for majority of cases, @len is generally
* compile time constant, causing first sub-expression to be compile time
* subsumed.
*
@@ -53,7 +53,7 @@
*
*/
#define __user_ok(addr, sz) (((sz) <= TASK_SIZE) && \
- (((addr)+(sz)) <= get_fs()))
+ ((addr) <= (get_fs() - (sz))))
#define __access_ok(addr, sz) (unlikely(__kernel_ok) || \
likely(__user_ok((addr), (sz))))
diff --git a/arch/arc/kernel/signal.c b/arch/arc/kernel/signal.c
index ee6ef2f60a28..7e95e1a86510 100644
--- a/arch/arc/kernel/signal.c
+++ b/arch/arc/kernel/signal.c
@@ -101,7 +101,6 @@ SYSCALL_DEFINE0(rt_sigreturn)
{
struct rt_sigframe __user *sf;
unsigned int magic;
- int err;
struct pt_regs *regs = current_pt_regs();
/* Always make any pending restarted system calls return -EINTR */
@@ -119,15 +118,16 @@ SYSCALL_DEFINE0(rt_sigreturn)
if (!access_ok(VERIFY_READ, sf, sizeof(*sf)))
goto badframe;
- err = restore_usr_regs(regs, sf);
- err |= __get_user(magic, &sf->sigret_magic);
- if (err)
+ if (__get_user(magic, &sf->sigret_magic))
goto badframe;
if (unlikely(is_do_ss_needed(magic)))
if (restore_altstack(&sf->uc.uc_stack))
goto badframe;
+ if (restore_usr_regs(regs, sf))
+ goto badframe;
+
/* Don't restart from sigreturn */
syscall_wont_restart(regs);
@@ -191,6 +191,15 @@ setup_rt_frame(int signo, struct k_sigaction *ka, siginfo_t *info,
return 1;
/*
+ * w/o SA_SIGINFO, struct ucontext is partially populated (only
+ * uc_mcontext/uc_sigmask) for kernel's normal user state preservation
+ * during signal handler execution. This works for SA_SIGINFO as well
+ * although the semantics are now overloaded (the same reg state can be
+ * inspected by userland: but are they allowed to fiddle with it ?
+ */
+ err |= stash_usr_regs(sf, regs, set);
+
+ /*
* SA_SIGINFO requires 3 args to signal handler:
* #1: sig-no (common to any handler)
* #2: struct siginfo
@@ -213,14 +222,6 @@ setup_rt_frame(int signo, struct k_sigaction *ka, siginfo_t *info,
magic = MAGIC_SIGALTSTK;
}
- /*
- * w/o SA_SIGINFO, struct ucontext is partially populated (only
- * uc_mcontext/uc_sigmask) for kernel's normal user state preservation
- * during signal handler execution. This works for SA_SIGINFO as well
- * although the semantics are now overloaded (the same reg state can be
- * inspected by userland: but are they allowed to fiddle with it ?
- */
- err |= stash_usr_regs(sf, regs, set);
err |= __put_user(magic, &sf->sigret_magic);
if (err)
return err;
diff --git a/arch/arc/kernel/time.c b/arch/arc/kernel/time.c
index 0e51e69cf30d..3fde7de3ea67 100644
--- a/arch/arc/kernel/time.c
+++ b/arch/arc/kernel/time.c
@@ -227,12 +227,9 @@ void __attribute__((weak)) arc_local_timer_setup(unsigned int cpu)
{
struct clock_event_device *clk = &per_cpu(arc_clockevent_device, cpu);
- clockevents_calc_mult_shift(clk, arc_get_core_freq(), 5);
-
- clk->max_delta_ns = clockevent_delta2ns(ARC_TIMER_MAX, clk);
clk->cpumask = cpumask_of(cpu);
-
- clockevents_register_device(clk);
+ clockevents_config_and_register(clk, arc_get_core_freq(),
+ 0, ARC_TIMER_MAX);
/*
* setup the per-cpu timer IRQ handler - for all cpus
diff --git a/arch/arc/kernel/unaligned.c b/arch/arc/kernel/unaligned.c
index 28d170060747..7ff5b5c183bb 100644
--- a/arch/arc/kernel/unaligned.c
+++ b/arch/arc/kernel/unaligned.c
@@ -245,6 +245,12 @@ int misaligned_fixup(unsigned long address, struct pt_regs *regs,
regs->status32 &= ~STATUS_DE_MASK;
} else {
regs->ret += state.instr_len;
+
+ /* handle zero-overhead-loop */
+ if ((regs->ret == regs->lp_end) && (regs->lp_count)) {
+ regs->ret = regs->lp_start;
+ regs->lp_count--;
+ }
}
return 0;
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 3f7714d8d2d2..1ad6fb6c094d 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -2217,8 +2217,7 @@ config NEON
config KERNEL_MODE_NEON
bool "Support for NEON in kernel mode"
- default n
- depends on NEON
+ depends on NEON && AEABI
help
Say Y to include support for NEON in kernel mode.
diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index e95af3f5433b..802720e3e8fd 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -41,6 +41,8 @@ dtb-$(CONFIG_ARCH_AT91) += sama5d33ek.dtb
dtb-$(CONFIG_ARCH_AT91) += sama5d34ek.dtb
dtb-$(CONFIG_ARCH_AT91) += sama5d35ek.dtb
+dtb-$(CONFIG_ARCH_ATLAS6) += atlas6-evb.dtb
+
dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-b.dtb
dtb-$(CONFIG_ARCH_BCM) += bcm11351-brt.dtb \
bcm28155-ap.dtb
diff --git a/arch/arm/boot/dts/armada-370-netgear-rn102.dts b/arch/arm/boot/dts/armada-370-netgear-rn102.dts
index 05e4485a8225..8ac2ac1f69cc 100644
--- a/arch/arm/boot/dts/armada-370-netgear-rn102.dts
+++ b/arch/arm/boot/dts/armada-370-netgear-rn102.dts
@@ -27,6 +27,25 @@
};
soc {
+ ranges = <MBUS_ID(0xf0, 0x01) 0 0xd0000000 0x100000
+ MBUS_ID(0x01, 0xe0) 0 0xfff00000 0x100000>;
+
+ pcie-controller {
+ status = "okay";
+
+ /* Connected to Marvell SATA controller */
+ pcie@1,0 {
+ /* Port 0, Lane 0 */
+ status = "okay";
+ };
+
+ /* Connected to FL1009 USB 3.0 controller */
+ pcie@2,0 {
+ /* Port 1, Lane 0 */
+ status = "okay";
+ };
+ };
+
internal-regs {
serial@12000 {
clock-frequency = <200000000>;
@@ -57,6 +76,11 @@
marvell,pins = "mpp56";
marvell,function = "gpio";
};
+
+ poweroff: poweroff {
+ marvell,pins = "mpp8";
+ marvell,function = "gpio";
+ };
};
mdio {
@@ -89,22 +113,6 @@
pwm_polarity = <0>;
};
};
-
- pcie-controller {
- status = "okay";
-
- /* Connected to Marvell SATA controller */
- pcie@1,0 {
- /* Port 0, Lane 0 */
- status = "okay";
- };
-
- /* Connected to FL1009 USB 3.0 controller */
- pcie@2,0 {
- /* Port 1, Lane 0 */
- status = "okay";
- };
- };
};
};
@@ -160,7 +168,7 @@
button@1 {
label = "Power Button";
linux,code = <116>; /* KEY_POWER */
- gpios = <&gpio1 30 1>;
+ gpios = <&gpio1 30 0>;
};
button@2 {
@@ -176,4 +184,11 @@
};
};
+ gpio_poweroff {
+ compatible = "gpio-poweroff";
+ pinctrl-0 = <&poweroff>;
+ pinctrl-names = "default";
+ gpios = <&gpio0 8 1>;
+ };
+
};
diff --git a/arch/arm/boot/dts/armada-xp.dtsi b/arch/arm/boot/dts/armada-xp.dtsi
index def125c0eeaa..3058522f5aad 100644
--- a/arch/arm/boot/dts/armada-xp.dtsi
+++ b/arch/arm/boot/dts/armada-xp.dtsi
@@ -70,6 +70,8 @@
timer@20300 {
compatible = "marvell,armada-xp-timer";
+ clocks = <&coreclk 2>, <&refclk>;
+ clock-names = "nbclk", "fixed";
};
coreclk: mvebu-sar@18230 {
@@ -169,4 +171,13 @@
};
};
};
+
+ clocks {
+ /* 25 MHz reference crystal */
+ refclk: oscillator {
+ compatible = "fixed-clock";
+ #clock-cells = <0>;
+ clock-frequency = <25000000>;
+ };
+ };
};
diff --git a/arch/arm/boot/dts/at91sam9x5.dtsi b/arch/arm/boot/dts/at91sam9x5.dtsi
index cf78ac0b04b1..e74dc15efa9d 100644
--- a/arch/arm/boot/dts/at91sam9x5.dtsi
+++ b/arch/arm/boot/dts/at91sam9x5.dtsi
@@ -190,12 +190,12 @@
AT91_PIOA 8 AT91_PERIPH_A AT91_PINCTRL_NONE>; /* PA8 periph A */
};
- pinctrl_uart2_rts: uart2_rts-0 {
+ pinctrl_usart2_rts: usart2_rts-0 {
atmel,pins =
<AT91_PIOB 0 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB0 periph B */
};
- pinctrl_uart2_cts: uart2_cts-0 {
+ pinctrl_usart2_cts: usart2_cts-0 {
atmel,pins =
<AT91_PIOB 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PB1 periph B */
};
@@ -556,6 +556,7 @@
interrupts = <12 IRQ_TYPE_LEVEL_HIGH 0>;
dmas = <&dma0 1 AT91_DMA_CFG_PER_ID(0)>;
dma-names = "rxtx";
+ pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
@@ -567,6 +568,7 @@
interrupts = <26 IRQ_TYPE_LEVEL_HIGH 0>;
dmas = <&dma1 1 AT91_DMA_CFG_PER_ID(0)>;
dma-names = "rxtx";
+ pinctrl-names = "default";
#address-cells = <1>;
#size-cells = <0>;
status = "disabled";
diff --git a/arch/arm/boot/dts/atlas6.dtsi b/arch/arm/boot/dts/atlas6.dtsi
index 8678e0c11119..6db4f81d4795 100644
--- a/arch/arm/boot/dts/atlas6.dtsi
+++ b/arch/arm/boot/dts/atlas6.dtsi
@@ -181,6 +181,8 @@
interrupts = <17>;
fifosize = <128>;
clocks = <&clks 13>;
+ sirf,uart-dma-rx-channel = <21>;
+ sirf,uart-dma-tx-channel = <2>;
};
uart1: uart@b0060000 {
@@ -199,6 +201,8 @@
interrupts = <19>;
fifosize = <128>;
clocks = <&clks 15>;
+ sirf,uart-dma-rx-channel = <6>;
+ sirf,uart-dma-tx-channel = <7>;
};
usp0: usp@b0080000 {
@@ -206,7 +210,10 @@
compatible = "sirf,prima2-usp";
reg = <0xb0080000 0x10000>;
interrupts = <20>;
+ fifosize = <128>;
clocks = <&clks 28>;
+ sirf,usp-dma-rx-channel = <17>;
+ sirf,usp-dma-tx-channel = <18>;
};
usp1: usp@b0090000 {
@@ -214,7 +221,10 @@
compatible = "sirf,prima2-usp";
reg = <0xb0090000 0x10000>;
interrupts = <21>;
+ fifosize = <128>;
clocks = <&clks 29>;
+ sirf,usp-dma-rx-channel = <14>;
+ sirf,usp-dma-tx-channel = <15>;
};
dmac0: dma-controller@b00b0000 {
@@ -237,6 +247,8 @@
compatible = "sirf,prima2-vip";
reg = <0xb00C0000 0x10000>;
clocks = <&clks 31>;
+ interrupts = <14>;
+ sirf,vip-dma-rx-channel = <16>;
};
spi0: spi@b00d0000 {
diff --git a/arch/arm/boot/dts/kirkwood.dtsi b/arch/arm/boot/dts/kirkwood.dtsi
index cf7aeaf89e9c..1335b2e1bed4 100644
--- a/arch/arm/boot/dts/kirkwood.dtsi
+++ b/arch/arm/boot/dts/kirkwood.dtsi
@@ -13,6 +13,7 @@
cpu@0 {
device_type = "cpu";
compatible = "marvell,feroceon";
+ reg = <0>;
clocks = <&core_clk 1>, <&core_clk 3>, <&gate_clk 11>;
clock-names = "cpu_clk", "ddrclk", "powersave";
};
@@ -167,7 +168,7 @@
xor@60900 {
compatible = "marvell,orion-xor";
reg = <0x60900 0x100
- 0xd0B00 0x100>;
+ 0x60B00 0x100>;
status = "okay";
clocks = <&gate_clk 16>;
diff --git a/arch/arm/boot/dts/prima2.dtsi b/arch/arm/boot/dts/prima2.dtsi
index bbeb623fc2c6..27ed9f5144bc 100644
--- a/arch/arm/boot/dts/prima2.dtsi
+++ b/arch/arm/boot/dts/prima2.dtsi
@@ -171,7 +171,8 @@
compatible = "simple-bus";
#address-cells = <1>;
#size-cells = <1>;
- ranges = <0xb0000000 0xb0000000 0x180000>;
+ ranges = <0xb0000000 0xb0000000 0x180000>,
+ <0x56000000 0x56000000 0x1b00000>;
timer@b0020000 {
compatible = "sirf,prima2-tick";
@@ -196,25 +197,32 @@
uart0: uart@b0050000 {
cell-index = <0>;
compatible = "sirf,prima2-uart";
- reg = <0xb0050000 0x10000>;
+ reg = <0xb0050000 0x1000>;
interrupts = <17>;
+ fifosize = <128>;
clocks = <&clks 13>;
+ sirf,uart-dma-rx-channel = <21>;
+ sirf,uart-dma-tx-channel = <2>;
};
uart1: uart@b0060000 {
cell-index = <1>;
compatible = "sirf,prima2-uart";
- reg = <0xb0060000 0x10000>;
+ reg = <0xb0060000 0x1000>;
interrupts = <18>;
+ fifosize = <32>;
clocks = <&clks 14>;
};
uart2: uart@b0070000 {
cell-index = <2>;
compatible = "sirf,prima2-uart";
- reg = <0xb0070000 0x10000>;
+ reg = <0xb0070000 0x1000>;
interrupts = <19>;
+ fifosize = <128>;
clocks = <&clks 15>;
+ sirf,uart-dma-rx-channel = <6>;
+ sirf,uart-dma-tx-channel = <7>;
};
usp0: usp@b0080000 {
@@ -222,7 +230,10 @@
compatible = "sirf,prima2-usp";
reg = <0xb0080000 0x10000>;
interrupts = <20>;
+ fifosize = <128>;
clocks = <&clks 28>;
+ sirf,usp-dma-rx-channel = <17>;
+ sirf,usp-dma-tx-channel = <18>;
};
usp1: usp@b0090000 {
@@ -230,7 +241,10 @@
compatible = "sirf,prima2-usp";
reg = <0xb0090000 0x10000>;
interrupts = <21>;
+ fifosize = <128>;
clocks = <&clks 29>;
+ sirf,usp-dma-rx-channel = <14>;
+ sirf,usp-dma-tx-channel = <15>;
};
usp2: usp@b00a0000 {
@@ -238,7 +252,10 @@
compatible = "sirf,prima2-usp";
reg = <0xb00a0000 0x10000>;
interrupts = <22>;
+ fifosize = <128>;
clocks = <&clks 30>;
+ sirf,usp-dma-rx-channel = <10>;
+ sirf,usp-dma-tx-channel = <11>;
};
dmac0: dma-controller@b00b0000 {
@@ -261,6 +278,8 @@
compatible = "sirf,prima2-vip";
reg = <0xb00C0000 0x10000>;
clocks = <&clks 31>;
+ interrupts = <14>;
+ sirf,vip-dma-rx-channel = <16>;
};
spi0: spi@b00d0000 {
diff --git a/arch/arm/boot/dts/r8a73a4.dtsi b/arch/arm/boot/dts/r8a73a4.dtsi
index 6c26caa880f2..658fcc537576 100644
--- a/arch/arm/boot/dts/r8a73a4.dtsi
+++ b/arch/arm/boot/dts/r8a73a4.dtsi
@@ -193,7 +193,7 @@
};
sdhi0: sdhi@ee100000 {
- compatible = "renesas,r8a73a4-sdhi";
+ compatible = "renesas,sdhi-r8a73a4";
reg = <0 0xee100000 0 0x100>;
interrupt-parent = <&gic>;
interrupts = <0 165 4>;
@@ -202,7 +202,7 @@
};
sdhi1: sdhi@ee120000 {
- compatible = "renesas,r8a73a4-sdhi";
+ compatible = "renesas,sdhi-r8a73a4";
reg = <0 0xee120000 0 0x100>;
interrupt-parent = <&gic>;
interrupts = <0 166 4>;
@@ -211,7 +211,7 @@
};
sdhi2: sdhi@ee140000 {
- compatible = "renesas,r8a73a4-sdhi";
+ compatible = "renesas,sdhi-r8a73a4";
reg = <0 0xee140000 0 0x100>;
interrupt-parent = <&gic>;
interrupts = <0 167 4>;
diff --git a/arch/arm/boot/dts/r8a7778.dtsi b/arch/arm/boot/dts/r8a7778.dtsi
index 45ac404ab6d8..3577aba82583 100644
--- a/arch/arm/boot/dts/r8a7778.dtsi
+++ b/arch/arm/boot/dts/r8a7778.dtsi
@@ -96,6 +96,5 @@
pfc: pfc@fffc0000 {
compatible = "renesas,pfc-r8a7778";
reg = <0xfffc000 0x118>;
- #gpio-range-cells = <3>;
};
};
diff --git a/arch/arm/boot/dts/r8a7779.dtsi b/arch/arm/boot/dts/r8a7779.dtsi
index 23a62447359c..ebbe507fcbfa 100644
--- a/arch/arm/boot/dts/r8a7779.dtsi
+++ b/arch/arm/boot/dts/r8a7779.dtsi
@@ -188,7 +188,6 @@
pfc: pfc@fffc0000 {
compatible = "renesas,pfc-r8a7779";
reg = <0xfffc0000 0x23c>;
- #gpio-range-cells = <3>;
};
thermal@ffc48000 {
diff --git a/arch/arm/boot/dts/r8a7790.dtsi b/arch/arm/boot/dts/r8a7790.dtsi
index 3b879e7c697c..413b4c29e782 100644
--- a/arch/arm/boot/dts/r8a7790.dtsi
+++ b/arch/arm/boot/dts/r8a7790.dtsi
@@ -148,11 +148,10 @@
pfc: pfc@e6060000 {
compatible = "renesas,pfc-r8a7790";
reg = <0 0xe6060000 0 0x250>;
- #gpio-range-cells = <3>;
};
sdhi0: sdhi@ee100000 {
- compatible = "renesas,r8a7790-sdhi";
+ compatible = "renesas,sdhi-r8a7790";
reg = <0 0xee100000 0 0x100>;
interrupt-parent = <&gic>;
interrupts = <0 165 4>;
@@ -161,7 +160,7 @@
};
sdhi1: sdhi@ee120000 {
- compatible = "renesas,r8a7790-sdhi";
+ compatible = "renesas,sdhi-r8a7790";
reg = <0 0xee120000 0 0x100>;
interrupt-parent = <&gic>;
interrupts = <0 166 4>;
@@ -170,7 +169,7 @@
};
sdhi2: sdhi@ee140000 {
- compatible = "renesas,r8a7790-sdhi";
+ compatible = "renesas,sdhi-r8a7790";
reg = <0 0xee140000 0 0x100>;
interrupt-parent = <&gic>;
interrupts = <0 167 4>;
@@ -179,7 +178,7 @@
};
sdhi3: sdhi@ee160000 {
- compatible = "renesas,r8a7790-sdhi";
+ compatible = "renesas,sdhi-r8a7790";
reg = <0 0xee160000 0 0x100>;
interrupt-parent = <&gic>;
interrupts = <0 168 4>;
diff --git a/arch/arm/boot/dts/sh73a0.dtsi b/arch/arm/boot/dts/sh73a0.dtsi
index ba59a5875a10..3955c7606a6f 100644
--- a/arch/arm/boot/dts/sh73a0.dtsi
+++ b/arch/arm/boot/dts/sh73a0.dtsi
@@ -196,7 +196,7 @@
};
sdhi0: sdhi@ee100000 {
- compatible = "renesas,r8a7740-sdhi";
+ compatible = "renesas,sdhi-r8a7740";
reg = <0xee100000 0x100>;
interrupt-parent = <&gic>;
interrupts = <0 83 4
@@ -208,7 +208,7 @@
/* SDHI1 and SDHI2 have no CD pins, no need for CD IRQ */
sdhi1: sdhi@ee120000 {
- compatible = "renesas,r8a7740-sdhi";
+ compatible = "renesas,sdhi-r8a7740";
reg = <0xee120000 0x100>;
interrupt-parent = <&gic>;
interrupts = <0 88 4
@@ -219,7 +219,7 @@
};
sdhi2: sdhi@ee140000 {
- compatible = "renesas,r8a7740-sdhi";
+ compatible = "renesas,sdhi-r8a7740";
reg = <0xee140000 0x100>;
interrupt-parent = <&gic>;
interrupts = <0 104 4
diff --git a/arch/arm/common/edma.c b/arch/arm/common/edma.c
index 117f955a2a06..8e1a0245907f 100644
--- a/arch/arm/common/edma.c
+++ b/arch/arm/common/edma.c
@@ -269,6 +269,11 @@ static const struct edmacc_param dummy_paramset = {
.ccnt = 1,
};
+static const struct of_device_id edma_of_ids[] = {
+ { .compatible = "ti,edma3", },
+ {}
+};
+
/*****************************************************************************/
static void map_dmach_queue(unsigned ctlr, unsigned ch_no,
@@ -560,14 +565,38 @@ static int reserve_contiguous_slots(int ctlr, unsigned int id,
static int prepare_unused_channel_list(struct device *dev, void *data)
{
struct platform_device *pdev = to_platform_device(dev);
- int i, ctlr;
+ int i, count, ctlr;
+ struct of_phandle_args dma_spec;
+ if (dev->of_node) {
+ count = of_property_count_strings(dev->of_node, "dma-names");
+ if (count < 0)
+ return 0;
+ for (i = 0; i < count; i++) {
+ if (of_parse_phandle_with_args(dev->of_node, "dmas",
+ "#dma-cells", i,
+ &dma_spec))
+ continue;
+
+ if (!of_match_node(edma_of_ids, dma_spec.np)) {
+ of_node_put(dma_spec.np);
+ continue;
+ }
+
+ clear_bit(EDMA_CHAN_SLOT(dma_spec.args[0]),
+ edma_cc[0]->edma_unused);
+ of_node_put(dma_spec.np);
+ }
+ return 0;
+ }
+
+ /* For non-OF case */
for (i = 0; i < pdev->num_resources; i++) {
if ((pdev->resource[i].flags & IORESOURCE_DMA) &&
(int)pdev->resource[i].start >= 0) {
ctlr = EDMA_CTLR(pdev->resource[i].start);
clear_bit(EDMA_CHAN_SLOT(pdev->resource[i].start),
- edma_cc[ctlr]->edma_unused);
+ edma_cc[ctlr]->edma_unused);
}
}
@@ -1762,11 +1791,6 @@ static int edma_probe(struct platform_device *pdev)
return 0;
}
-static const struct of_device_id edma_of_ids[] = {
- { .compatible = "ti,edma3", },
- {}
-};
-
static struct platform_driver edma_driver = {
.driver = {
.name = "edma",
diff --git a/arch/arm/configs/multi_v7_defconfig b/arch/arm/configs/multi_v7_defconfig
index f3935b46df29..119fc378fc52 100644
--- a/arch/arm/configs/multi_v7_defconfig
+++ b/arch/arm/configs/multi_v7_defconfig
@@ -135,6 +135,7 @@ CONFIG_MMC=y
CONFIG_MMC_ARMMMCI=y
CONFIG_MMC_SDHCI=y
CONFIG_MMC_SDHCI_PLTFM=y
+CONFIG_MMC_SDHCI_ESDHC_IMX=y
CONFIG_MMC_SDHCI_TEGRA=y
CONFIG_MMC_SDHCI_SPEAR=y
CONFIG_MMC_OMAP=y
diff --git a/arch/arm/crypto/aes-armv4.S b/arch/arm/crypto/aes-armv4.S
index 19d6cd6f29f9..3a14ea8fe97e 100644
--- a/arch/arm/crypto/aes-armv4.S
+++ b/arch/arm/crypto/aes-armv4.S
@@ -148,7 +148,7 @@ AES_Te:
@ const AES_KEY *key) {
.align 5
ENTRY(AES_encrypt)
- sub r3,pc,#8 @ AES_encrypt
+ adr r3,AES_encrypt
stmdb sp!,{r1,r4-r12,lr}
mov r12,r0 @ inp
mov r11,r2
@@ -381,7 +381,7 @@ _armv4_AES_encrypt:
.align 5
ENTRY(private_AES_set_encrypt_key)
_armv4_AES_set_encrypt_key:
- sub r3,pc,#8 @ AES_set_encrypt_key
+ adr r3,_armv4_AES_set_encrypt_key
teq r0,#0
moveq r0,#-1
beq .Labrt
@@ -843,7 +843,7 @@ AES_Td:
@ const AES_KEY *key) {
.align 5
ENTRY(AES_decrypt)
- sub r3,pc,#8 @ AES_decrypt
+ adr r3,AES_decrypt
stmdb sp!,{r1,r4-r12,lr}
mov r12,r0 @ inp
mov r11,r2
diff --git a/arch/arm/include/asm/uaccess.h b/arch/arm/include/asm/uaccess.h
index 7e1f76027f66..72abdc541f38 100644
--- a/arch/arm/include/asm/uaccess.h
+++ b/arch/arm/include/asm/uaccess.h
@@ -19,6 +19,13 @@
#include <asm/unified.h>
#include <asm/compiler.h>
+#if __LINUX_ARM_ARCH__ < 6
+#include <asm-generic/uaccess-unaligned.h>
+#else
+#define __get_user_unaligned __get_user
+#define __put_user_unaligned __put_user
+#endif
+
#define VERIFY_READ 0
#define VERIFY_WRITE 1
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 74ad15d1a065..bc6bd9683ba4 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -442,10 +442,10 @@ local_restart:
ldrcc pc, [tbl, scno, lsl #2] @ call sys_* routine
add r1, sp, #S_OFF
- cmp scno, #(__ARM_NR_BASE - __NR_SYSCALL_BASE)
+2: cmp scno, #(__ARM_NR_BASE - __NR_SYSCALL_BASE)
eor r0, scno, #__NR_SYSCALL_BASE @ put OS number back
bcs arm_syscall
-2: mov why, #0 @ no longer a real syscall
+ mov why, #0 @ no longer a real syscall
b sys_ni_syscall @ not private func
#if defined(CONFIG_OABI_COMPAT) || !defined(CONFIG_AEABI)
diff --git a/arch/arm/kernel/entry-header.S b/arch/arm/kernel/entry-header.S
index de23a9beed13..39f89fbd5111 100644
--- a/arch/arm/kernel/entry-header.S
+++ b/arch/arm/kernel/entry-header.S
@@ -329,10 +329,10 @@
#ifdef CONFIG_CONTEXT_TRACKING
.if \save
stmdb sp!, {r0-r3, ip, lr}
- bl user_exit
+ bl context_tracking_user_exit
ldmia sp!, {r0-r3, ip, lr}
.else
- bl user_exit
+ bl context_tracking_user_exit
.endif
#endif
.endm
@@ -341,10 +341,10 @@
#ifdef CONFIG_CONTEXT_TRACKING
.if \save
stmdb sp!, {r0-r3, ip, lr}
- bl user_enter
+ bl context_tracking_user_enter
ldmia sp!, {r0-r3, ip, lr}
.else
- bl user_enter
+ bl context_tracking_user_enter
.endif
#endif
.endm
diff --git a/arch/arm/kvm/reset.c b/arch/arm/kvm/reset.c
index 71e08baee209..c02ba4af599f 100644
--- a/arch/arm/kvm/reset.c
+++ b/arch/arm/kvm/reset.c
@@ -58,14 +58,14 @@ static const struct kvm_irq_level a15_vtimer_irq = {
*/
int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
{
- struct kvm_regs *cpu_reset;
+ struct kvm_regs *reset_regs;
const struct kvm_irq_level *cpu_vtimer_irq;
switch (vcpu->arch.target) {
case KVM_ARM_TARGET_CORTEX_A15:
if (vcpu->vcpu_id > a15_max_cpu_idx)
return -EINVAL;
- cpu_reset = &a15_regs_reset;
+ reset_regs = &a15_regs_reset;
vcpu->arch.midr = read_cpuid_id();
cpu_vtimer_irq = &a15_vtimer_irq;
break;
@@ -74,7 +74,7 @@ int kvm_reset_vcpu(struct kvm_vcpu *vcpu)
}
/* Reset core registers */
- memcpy(&vcpu->arch.regs, cpu_reset, sizeof(vcpu->arch.regs));
+ memcpy(&vcpu->arch.regs, reset_regs, sizeof(vcpu->arch.regs));
/* Reset CP15 registers */
kvm_reset_coprocs(vcpu);
diff --git a/arch/arm/mach-at91/at91rm9200_time.c b/arch/arm/mach-at91/at91rm9200_time.c
index 180b3024bec3..f607deb40f4d 100644
--- a/arch/arm/mach-at91/at91rm9200_time.c
+++ b/arch/arm/mach-at91/at91rm9200_time.c
@@ -93,7 +93,7 @@ static irqreturn_t at91rm9200_timer_interrupt(int irq, void *dev_id)
static struct irqaction at91rm9200_timer_irq = {
.name = "at91_tick",
- .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+ .flags = IRQF_SHARED | IRQF_TIMER | IRQF_IRQPOLL,
.handler = at91rm9200_timer_interrupt,
.irq = NR_IRQS_LEGACY + AT91_ID_SYS,
};
diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c
index 3a4bc2e1a65e..bb392320a0dd 100644
--- a/arch/arm/mach-at91/at91sam926x_time.c
+++ b/arch/arm/mach-at91/at91sam926x_time.c
@@ -171,7 +171,7 @@ static irqreturn_t at91sam926x_pit_interrupt(int irq, void *dev_id)
static struct irqaction at91sam926x_pit_irq = {
.name = "at91_tick",
- .flags = IRQF_SHARED | IRQF_DISABLED | IRQF_TIMER | IRQF_IRQPOLL,
+ .flags = IRQF_SHARED | IRQF_TIMER | IRQF_IRQPOLL,
.handler = at91sam926x_pit_interrupt,
.irq = NR_IRQS_LEGACY + AT91_ID_SYS,
};
diff --git a/arch/arm/mach-at91/at91sam9g45_reset.S b/arch/arm/mach-at91/at91sam9g45_reset.S
index 721a1a34dd1d..c40c1e2ef80f 100644
--- a/arch/arm/mach-at91/at91sam9g45_reset.S
+++ b/arch/arm/mach-at91/at91sam9g45_reset.S
@@ -16,11 +16,17 @@
#include "at91_rstc.h"
.arm
+/*
+ * at91_ramc_base is an array void*
+ * init at NULL if only one DDR controler is present in or DT
+ */
.globl at91sam9g45_restart
at91sam9g45_restart:
ldr r5, =at91_ramc_base @ preload constants
ldr r0, [r5]
+ ldr r5, [r5, #4] @ ddr1
+ cmp r5, #0
ldr r4, =at91_rstc_base
ldr r1, [r4]
@@ -30,6 +36,8 @@ at91sam9g45_restart:
.balign 32 @ align to cache line
+ strne r2, [r5, #AT91_DDRSDRC_RTR] @ disable DDR1 access
+ strne r3, [r5, #AT91_DDRSDRC_LPR] @ power down DDR1
str r2, [r0, #AT91_DDRSDRC_RTR] @ disable DDR0 access
str r3, [r0, #AT91_DDRSDRC_LPR] @ power down DDR0
str r4, [r1, #AT91_RSTC_CR] @ reset processor
diff --git a/arch/arm/mach-at91/at91x40_time.c b/arch/arm/mach-at91/at91x40_time.c
index 2919eba41ff4..c0e637adf65d 100644
--- a/arch/arm/mach-at91/at91x40_time.c
+++ b/arch/arm/mach-at91/at91x40_time.c
@@ -57,7 +57,7 @@ static irqreturn_t at91x40_timer_interrupt(int irq, void *dev_id)
static struct irqaction at91x40_timer_irq = {
.name = "at91_tick",
- .flags = IRQF_DISABLED | IRQF_TIMER,
+ .flags = IRQF_TIMER,
.handler = at91x40_timer_interrupt
};
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 92b7f770615a..4078ba93776b 100644
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -176,7 +176,7 @@ static struct at24_platform_data eeprom_info = {
.context = (void *)0x7f00,
};
-static struct snd_platform_data dm365_evm_snd_data = {
+static struct snd_platform_data dm365_evm_snd_data __maybe_unused = {
.asp_chan_q = EVENTQ_3,
};
diff --git a/arch/arm/mach-davinci/include/mach/serial.h b/arch/arm/mach-davinci/include/mach/serial.h
index 52b8571b2e70..ce402cd21fa0 100644
--- a/arch/arm/mach-davinci/include/mach/serial.h
+++ b/arch/arm/mach-davinci/include/mach/serial.h
@@ -15,8 +15,6 @@
#include <mach/hardware.h>
-#include <linux/platform_device.h>
-
#define DAVINCI_UART0_BASE (IO_PHYS + 0x20000)
#define DAVINCI_UART1_BASE (IO_PHYS + 0x20400)
#define DAVINCI_UART2_BASE (IO_PHYS + 0x20800)
@@ -39,6 +37,8 @@
#define UART_DM646X_SCR_TX_WATERMARK 0x08
#ifndef __ASSEMBLY__
+#include <linux/platform_device.h>
+
extern int davinci_serial_init(struct platform_device *);
#endif
diff --git a/arch/arm/mach-integrator/pci_v3.h b/arch/arm/mach-integrator/pci_v3.h
index 755fd29fed4a..06a9e2e7d007 100644
--- a/arch/arm/mach-integrator/pci_v3.h
+++ b/arch/arm/mach-integrator/pci_v3.h
@@ -1,2 +1,9 @@
/* Simple oneliner include to the PCIv3 early init */
+#ifdef CONFIG_PCI
extern int pci_v3_early_init(void);
+#else
+static inline int pci_v3_early_init(void)
+{
+ return 0;
+}
+#endif
diff --git a/arch/arm/mach-mvebu/coherency.c b/arch/arm/mach-mvebu/coherency.c
index 4c24303ec481..58adf2fd9cfc 100644
--- a/arch/arm/mach-mvebu/coherency.c
+++ b/arch/arm/mach-mvebu/coherency.c
@@ -140,6 +140,7 @@ int __init coherency_init(void)
coherency_base = of_iomap(np, 0);
coherency_cpu_base = of_iomap(np, 1);
set_cpu_coherent(cpu_logical_map(smp_processor_id()), 0);
+ of_node_put(np);
}
return 0;
@@ -147,9 +148,14 @@ int __init coherency_init(void)
static int __init coherency_late_init(void)
{
- if (of_find_matching_node(NULL, of_coherency_table))
+ struct device_node *np;
+
+ np = of_find_matching_node(NULL, of_coherency_table);
+ if (np) {
bus_register_notifier(&platform_bus_type,
&mvebu_hwcc_platform_nb);
+ of_node_put(np);
+ }
return 0;
}
diff --git a/arch/arm/mach-mvebu/pmsu.c b/arch/arm/mach-mvebu/pmsu.c
index 3cc4bef6401c..27fc4f049474 100644
--- a/arch/arm/mach-mvebu/pmsu.c
+++ b/arch/arm/mach-mvebu/pmsu.c
@@ -67,6 +67,7 @@ int __init armada_370_xp_pmsu_init(void)
pr_info("Initializing Power Management Service Unit\n");
pmsu_mp_base = of_iomap(np, 0);
pmsu_reset_base = of_iomap(np, 1);
+ of_node_put(np);
}
return 0;
diff --git a/arch/arm/mach-mvebu/system-controller.c b/arch/arm/mach-mvebu/system-controller.c
index f875124ff4f9..5175083cdb34 100644
--- a/arch/arm/mach-mvebu/system-controller.c
+++ b/arch/arm/mach-mvebu/system-controller.c
@@ -98,6 +98,7 @@ static int __init mvebu_system_controller_init(void)
BUG_ON(!match);
system_controller_base = of_iomap(np, 0);
mvebu_sc = (struct mvebu_system_controller *)match->data;
+ of_node_put(np);
}
return 0;
diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 5bd1479d3deb..7f8f6076d360 100644
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -1108,9 +1108,9 @@ static const struct pinctrl_map eva_pinctrl_map[] = {
PIN_MAP_MUX_GROUP_DEFAULT("asoc-simple-card.1", "pfc-r8a7740",
"fsib_mclk_in", "fsib"),
/* GETHER */
- PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740",
+ PIN_MAP_MUX_GROUP_DEFAULT("r8a7740-gether", "pfc-r8a7740",
"gether_mii", "gether"),
- PIN_MAP_MUX_GROUP_DEFAULT("sh-eth", "pfc-r8a7740",
+ PIN_MAP_MUX_GROUP_DEFAULT("r8a7740-gether", "pfc-r8a7740",
"gether_int", "gether"),
/* HDMI */
PIN_MAP_MUX_GROUP_DEFAULT("sh-mobile-hdmi", "pfc-r8a7740",
diff --git a/arch/arm/mach-shmobile/board-lager.c b/arch/arm/mach-shmobile/board-lager.c
index ffb6f0ac7606..5930af8d434f 100644
--- a/arch/arm/mach-shmobile/board-lager.c
+++ b/arch/arm/mach-shmobile/board-lager.c
@@ -29,6 +29,7 @@
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/gpio-rcar.h>
#include <linux/platform_device.h>
+#include <linux/phy.h>
#include <linux/regulator/fixed.h>
#include <linux/regulator/machine.h>
#include <linux/sh_eth.h>
@@ -155,6 +156,30 @@ static void __init lager_add_standard_devices(void)
&ether_pdata, sizeof(ether_pdata));
}
+/*
+ * Ether LEDs on the Lager board are named LINK and ACTIVE which corresponds
+ * to non-default 01 setting of the Micrel KSZ8041 PHY control register 1 bits
+ * 14-15. We have to set them back to 01 from the default 00 value each time
+ * the PHY is reset. It's also important because the PHY's LED0 signal is
+ * connected to SoC's ETH_LINK signal and in the PHY's default mode it will
+ * bounce on and off after each packet, which we apparently want to avoid.
+ */
+static int lager_ksz8041_fixup(struct phy_device *phydev)
+{
+ u16 phyctrl1 = phy_read(phydev, 0x1e);
+
+ phyctrl1 &= ~0xc000;
+ phyctrl1 |= 0x4000;
+ return phy_write(phydev, 0x1e, phyctrl1);
+}
+
+static void __init lager_init(void)
+{
+ lager_add_standard_devices();
+
+ phy_register_fixup_for_id("r8a7790-ether-ff:01", lager_ksz8041_fixup);
+}
+
static const char *lager_boards_compat_dt[] __initdata = {
"renesas,lager",
NULL,
@@ -163,6 +188,6 @@ static const char *lager_boards_compat_dt[] __initdata = {
DT_MACHINE_START(LAGER_DT, "lager")
.init_early = r8a7790_init_delay,
.init_time = r8a7790_timer_init,
- .init_machine = lager_add_standard_devices,
+ .init_machine = lager_init,
.dt_compat = lager_boards_compat_dt,
MACHINE_END
diff --git a/arch/arm/mach-vexpress/tc2_pm.c b/arch/arm/mach-vexpress/tc2_pm.c
index 7aeb5d60e484..e6eb48192912 100644
--- a/arch/arm/mach-vexpress/tc2_pm.c
+++ b/arch/arm/mach-vexpress/tc2_pm.c
@@ -131,6 +131,16 @@ static void tc2_pm_down(u64 residency)
} else
BUG();
+ /*
+ * If the CPU is committed to power down, make sure
+ * the power controller will be in charge of waking it
+ * up upon IRQ, ie IRQ lines are cut from GIC CPU IF
+ * to the CPU by disabling the GIC CPU IF to prevent wfi
+ * from completing execution behind power controller back
+ */
+ if (!skip_wfi)
+ gic_cpu_if_down();
+
if (last_man && __mcpm_outbound_enter_critical(cpu, cluster)) {
arch_spin_unlock(&tc2_pm_lock);
@@ -231,7 +241,6 @@ static void tc2_pm_suspend(u64 residency)
cpu = MPIDR_AFFINITY_LEVEL(mpidr, 0);
cluster = MPIDR_AFFINITY_LEVEL(mpidr, 1);
ve_spc_set_resume_addr(cluster, cpu, virt_to_phys(mcpm_entry_point));
- gic_cpu_if_down();
tc2_pm_down(residency);
}
diff --git a/arch/arm64/Kconfig.debug b/arch/arm64/Kconfig.debug
index 1a6bfe954d49..835c559786bd 100644
--- a/arch/arm64/Kconfig.debug
+++ b/arch/arm64/Kconfig.debug
@@ -6,13 +6,6 @@ config FRAME_POINTER
bool
default y
-config DEBUG_STACK_USAGE
- bool "Enable stack utilization instrumentation"
- depends on DEBUG_KERNEL
- help
- Enables the display of the minimum amount of free stack which each
- task has ever had available in the sysrq-T output.
-
config EARLY_PRINTK
bool "Early printk support"
default y
diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
index 5b3e83217b03..31c81e9b792e 100644
--- a/arch/arm64/configs/defconfig
+++ b/arch/arm64/configs/defconfig
@@ -42,7 +42,7 @@ CONFIG_IP_PNP_BOOTP=y
# CONFIG_WIRELESS is not set
CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
CONFIG_DEVTMPFS=y
-# CONFIG_BLK_DEV is not set
+CONFIG_BLK_DEV=y
CONFIG_SCSI=y
# CONFIG_SCSI_PROC_FS is not set
CONFIG_BLK_DEV_SD=y
@@ -72,6 +72,7 @@ CONFIG_LOGO=y
# CONFIG_IOMMU_SUPPORT is not set
CONFIG_EXT2_FS=y
CONFIG_EXT3_FS=y
+CONFIG_EXT4_FS=y
# CONFIG_EXT3_DEFAULTS_TO_ORDERED is not set
# CONFIG_EXT3_FS_XATTR is not set
CONFIG_FUSE_FS=y
@@ -90,3 +91,5 @@ CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_INFO=y
# CONFIG_FTRACE is not set
CONFIG_ATOMIC64_SELFTEST=y
+CONFIG_VIRTIO_MMIO=y
+CONFIG_VIRTIO_BLK=y
diff --git a/arch/arm64/include/asm/uaccess.h b/arch/arm64/include/asm/uaccess.h
index edb3d5c73a32..7ecc2b23882e 100644
--- a/arch/arm64/include/asm/uaccess.h
+++ b/arch/arm64/include/asm/uaccess.h
@@ -166,9 +166,10 @@ do { \
#define get_user(x, ptr) \
({ \
+ __typeof__(*(ptr)) __user *__p = (ptr); \
might_fault(); \
- access_ok(VERIFY_READ, (ptr), sizeof(*(ptr))) ? \
- __get_user((x), (ptr)) : \
+ access_ok(VERIFY_READ, __p, sizeof(*__p)) ? \
+ __get_user((x), __p) : \
((x) = 0, -EFAULT); \
})
@@ -227,9 +228,10 @@ do { \
#define put_user(x, ptr) \
({ \
+ __typeof__(*(ptr)) __user *__p = (ptr); \
might_fault(); \
- access_ok(VERIFY_WRITE, (ptr), sizeof(*(ptr))) ? \
- __put_user((x), (ptr)) : \
+ access_ok(VERIFY_WRITE, __p, sizeof(*__p)) ? \
+ __put_user((x), __p) : \
-EFAULT; \
})
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 1f2e4d5a5c0f..bb785d23dbde 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -80,8 +80,10 @@ void fpsimd_thread_switch(struct task_struct *next)
void fpsimd_flush_thread(void)
{
+ preempt_disable();
memset(&current->thread.fpsimd_state, 0, sizeof(struct fpsimd_state));
fpsimd_load_state(&current->thread.fpsimd_state);
+ preempt_enable();
}
#ifdef CONFIG_KERNEL_MODE_NEON
diff --git a/arch/arm64/mm/tlb.S b/arch/arm64/mm/tlb.S
index 8ae80a18e8ec..19da91e0cd27 100644
--- a/arch/arm64/mm/tlb.S
+++ b/arch/arm64/mm/tlb.S
@@ -35,7 +35,7 @@
*/
ENTRY(__cpu_flush_user_tlb_range)
vma_vm_mm x3, x2 // get vma->vm_mm
- mmid x3, x3 // get vm_mm->context.id
+ mmid w3, x3 // get vm_mm->context.id
dsb sy
lsr x0, x0, #12 // align address
lsr x1, x1, #12
diff --git a/arch/avr32/include/asm/Kbuild b/arch/avr32/include/asm/Kbuild
index d22af851f3f6..fd7980743890 100644
--- a/arch/avr32/include/asm/Kbuild
+++ b/arch/avr32/include/asm/Kbuild
@@ -1,5 +1,19 @@
generic-y += clkdev.h
+generic-y += cputime.h
+generic-y += delay.h
+generic-y += device.h
+generic-y += div64.h
+generic-y += emergency-restart.h
generic-y += exec.h
-generic-y += trace_clock.h
+generic-y += futex.h
+generic-y += irq_regs.h
generic-y += param.h
+generic-y += local.h
+generic-y += local64.h
+generic-y += percpu.h
+generic-y += scatterlist.h
+generic-y += sections.h
+generic-y += topology.h
+generic-y += trace_clock.h
+generic-y += xor.h
diff --git a/arch/avr32/include/asm/cputime.h b/arch/avr32/include/asm/cputime.h
deleted file mode 100644
index e87e0f81cbeb..000000000000
--- a/arch/avr32/include/asm/cputime.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_AVR32_CPUTIME_H
-#define __ASM_AVR32_CPUTIME_H
-
-#include <asm-generic/cputime.h>
-
-#endif /* __ASM_AVR32_CPUTIME_H */
diff --git a/arch/avr32/include/asm/delay.h b/arch/avr32/include/asm/delay.h
deleted file mode 100644
index 9670e127b7b2..000000000000
--- a/arch/avr32/include/asm/delay.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/delay.h>
diff --git a/arch/avr32/include/asm/device.h b/arch/avr32/include/asm/device.h
deleted file mode 100644
index d8f9872b0e2d..000000000000
--- a/arch/avr32/include/asm/device.h
+++ /dev/null
@@ -1,7 +0,0 @@
-/*
- * Arch specific extensions to struct device
- *
- * This file is released under the GPLv2
- */
-#include <asm-generic/device.h>
-
diff --git a/arch/avr32/include/asm/div64.h b/arch/avr32/include/asm/div64.h
deleted file mode 100644
index d7ddd4fdeca6..000000000000
--- a/arch/avr32/include/asm/div64.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_AVR32_DIV64_H
-#define __ASM_AVR32_DIV64_H
-
-#include <asm-generic/div64.h>
-
-#endif /* __ASM_AVR32_DIV64_H */
diff --git a/arch/avr32/include/asm/emergency-restart.h b/arch/avr32/include/asm/emergency-restart.h
deleted file mode 100644
index 3e7e014776ba..000000000000
--- a/arch/avr32/include/asm/emergency-restart.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_AVR32_EMERGENCY_RESTART_H
-#define __ASM_AVR32_EMERGENCY_RESTART_H
-
-#include <asm-generic/emergency-restart.h>
-
-#endif /* __ASM_AVR32_EMERGENCY_RESTART_H */
diff --git a/arch/avr32/include/asm/futex.h b/arch/avr32/include/asm/futex.h
deleted file mode 100644
index 10419f14a68a..000000000000
--- a/arch/avr32/include/asm/futex.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_AVR32_FUTEX_H
-#define __ASM_AVR32_FUTEX_H
-
-#include <asm-generic/futex.h>
-
-#endif /* __ASM_AVR32_FUTEX_H */
diff --git a/arch/avr32/include/asm/irq_regs.h b/arch/avr32/include/asm/irq_regs.h
deleted file mode 100644
index 3dd9c0b70270..000000000000
--- a/arch/avr32/include/asm/irq_regs.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/irq_regs.h>
diff --git a/arch/avr32/include/asm/local.h b/arch/avr32/include/asm/local.h
deleted file mode 100644
index 1c1619694da3..000000000000
--- a/arch/avr32/include/asm/local.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_AVR32_LOCAL_H
-#define __ASM_AVR32_LOCAL_H
-
-#include <asm-generic/local.h>
-
-#endif /* __ASM_AVR32_LOCAL_H */
diff --git a/arch/avr32/include/asm/local64.h b/arch/avr32/include/asm/local64.h
deleted file mode 100644
index 36c93b5cc239..000000000000
--- a/arch/avr32/include/asm/local64.h
+++ /dev/null
@@ -1 +0,0 @@
-#include <asm-generic/local64.h>
diff --git a/arch/avr32/include/asm/percpu.h b/arch/avr32/include/asm/percpu.h
deleted file mode 100644
index 69227b4cd0d4..000000000000
--- a/arch/avr32/include/asm/percpu.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_AVR32_PERCPU_H
-#define __ASM_AVR32_PERCPU_H
-
-#include <asm-generic/percpu.h>
-
-#endif /* __ASM_AVR32_PERCPU_H */
diff --git a/arch/avr32/include/asm/scatterlist.h b/arch/avr32/include/asm/scatterlist.h
deleted file mode 100644
index a5902d9834e8..000000000000
--- a/arch/avr32/include/asm/scatterlist.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_AVR32_SCATTERLIST_H
-#define __ASM_AVR32_SCATTERLIST_H
-
-#include <asm-generic/scatterlist.h>
-
-#endif /* __ASM_AVR32_SCATTERLIST_H */
diff --git a/arch/avr32/include/asm/sections.h b/arch/avr32/include/asm/sections.h
deleted file mode 100644
index aa14252e4181..000000000000
--- a/arch/avr32/include/asm/sections.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_AVR32_SECTIONS_H
-#define __ASM_AVR32_SECTIONS_H
-
-#include <asm-generic/sections.h>
-
-#endif /* __ASM_AVR32_SECTIONS_H */
diff --git a/arch/avr32/include/asm/topology.h b/arch/avr32/include/asm/topology.h
deleted file mode 100644
index 5b766cbb4806..000000000000
--- a/arch/avr32/include/asm/topology.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef __ASM_AVR32_TOPOLOGY_H
-#define __ASM_AVR32_TOPOLOGY_H
-
-#include <asm-generic/topology.h>
-
-#endif /* __ASM_AVR32_TOPOLOGY_H */
diff --git a/arch/avr32/include/asm/xor.h b/arch/avr32/include/asm/xor.h
deleted file mode 100644
index 99c87aa0af4f..000000000000
--- a/arch/avr32/include/asm/xor.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_XOR_H
-#define _ASM_XOR_H
-
-#include <asm-generic/xor.h>
-
-#endif
diff --git a/arch/avr32/kernel/process.c b/arch/avr32/kernel/process.c
index c2731003edef..42a53e740a7e 100644
--- a/arch/avr32/kernel/process.c
+++ b/arch/avr32/kernel/process.c
@@ -289,7 +289,7 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
memset(childregs, 0, sizeof(struct pt_regs));
p->thread.cpu_context.r0 = arg;
p->thread.cpu_context.r1 = usp; /* fn */
- p->thread.cpu_context.r2 = syscall_return;
+ p->thread.cpu_context.r2 = (unsigned long)syscall_return;
p->thread.cpu_context.pc = (unsigned long)ret_from_kernel_thread;
childregs->sr = MODE_SUPERVISOR;
} else {
diff --git a/arch/avr32/kernel/time.c b/arch/avr32/kernel/time.c
index 869a1c6ffeee..12f828ad5058 100644
--- a/arch/avr32/kernel/time.c
+++ b/arch/avr32/kernel/time.c
@@ -98,7 +98,14 @@ static void comparator_mode(enum clock_event_mode mode,
case CLOCK_EVT_MODE_SHUTDOWN:
sysreg_write(COMPARE, 0);
pr_debug("%s: stop\n", evdev->name);
- cpu_idle_poll_ctrl(false);
+ if (evdev->mode == CLOCK_EVT_MODE_ONESHOT ||
+ evdev->mode == CLOCK_EVT_MODE_RESUME) {
+ /*
+ * Only disable idle poll if we have forced that
+ * in a previous call.
+ */
+ cpu_idle_poll_ctrl(false);
+ }
break;
default:
BUG();
diff --git a/arch/mips/alchemy/board-mtx1.c b/arch/mips/alchemy/board-mtx1.c
index 4a9baa9f6330..9969dbab19e3 100644
--- a/arch/mips/alchemy/board-mtx1.c
+++ b/arch/mips/alchemy/board-mtx1.c
@@ -276,7 +276,7 @@ static struct platform_device mtx1_pci_host = {
.resource = alchemy_pci_host_res,
};
-static struct __initdata platform_device * mtx1_devs[] = {
+static struct platform_device *mtx1_devs[] __initdata = {
&mtx1_pci_host,
&mtx1_gpio_leds,
&mtx1_wdt,
diff --git a/arch/mips/include/asm/cpu-features.h b/arch/mips/include/asm/cpu-features.h
index 51680d15ca8e..d445d060e346 100644
--- a/arch/mips/include/asm/cpu-features.h
+++ b/arch/mips/include/asm/cpu-features.h
@@ -187,7 +187,7 @@
/*
* MIPS32, MIPS64, VR5500, IDT32332, IDT32334 and maybe a few other
- * pre-MIPS32/MIPS53 processors have CLO, CLZ. The IDT RC64574 is 64-bit and
+ * pre-MIPS32/MIPS64 processors have CLO, CLZ. The IDT RC64574 is 64-bit and
* has CLO and CLZ but not DCLO nor DCLZ. For 64-bit kernels
* cpu_has_clo_clz also indicates the availability of DCLO and DCLZ.
*/
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 627883bc6d5f..bc6f96fcb529 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -609,6 +609,7 @@ static void r4k_dma_cache_wback_inv(unsigned long addr, unsigned long size)
r4k_blast_scache();
else
blast_scache_range(addr, addr + size);
+ preempt_enable();
__sync();
return;
}
@@ -650,6 +651,7 @@ static void r4k_dma_cache_inv(unsigned long addr, unsigned long size)
*/
blast_inv_scache_range(addr, addr + size);
}
+ preempt_enable();
__sync();
return;
}
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index f25a7e9f8cbc..5f8b95512580 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -308,12 +308,10 @@ static void mips_dma_sync_sg_for_cpu(struct device *dev,
{
int i;
- /* Make sure that gcc doesn't leave the empty loop body. */
- for (i = 0; i < nelems; i++, sg++) {
- if (cpu_needs_post_dma_flush(dev))
+ if (cpu_needs_post_dma_flush(dev))
+ for (i = 0; i < nelems; i++, sg++)
__dma_sync(sg_page(sg), sg->offset, sg->length,
direction);
- }
}
static void mips_dma_sync_sg_for_device(struct device *dev,
@@ -321,12 +319,10 @@ static void mips_dma_sync_sg_for_device(struct device *dev,
{
int i;
- /* Make sure that gcc doesn't leave the empty loop body. */
- for (i = 0; i < nelems; i++, sg++) {
- if (!plat_device_is_coherent(dev))
+ if (!plat_device_is_coherent(dev))
+ for (i = 0; i < nelems; i++, sg++)
__dma_sync(sg_page(sg), sg->offset, sg->length,
direction);
- }
}
int mips_dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
diff --git a/arch/openrisc/include/asm/prom.h b/arch/openrisc/include/asm/prom.h
index eb59bfe23e85..93c9980e1b6b 100644
--- a/arch/openrisc/include/asm/prom.h
+++ b/arch/openrisc/include/asm/prom.h
@@ -14,53 +14,9 @@
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
-
-#include <linux/of.h> /* linux/of.h gets to determine #include ordering */
-
#ifndef _ASM_OPENRISC_PROM_H
#define _ASM_OPENRISC_PROM_H
-#ifdef __KERNEL__
-#ifndef __ASSEMBLY__
-#include <linux/types.h>
-#include <asm/irq.h>
-#include <linux/irqdomain.h>
-#include <linux/atomic.h>
-#include <linux/of_irq.h>
-#include <linux/of_fdt.h>
-#include <linux/of_address.h>
-#include <linux/proc_fs.h>
-#include <linux/platform_device.h>
#define HAVE_ARCH_DEVTREE_FIXUPS
-/* Other Prototypes */
-extern int early_uartlite_console(void);
-
-/* Parse the ibm,dma-window property of an OF node into the busno, phys and
- * size parameters.
- */
-void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
- unsigned long *busno, unsigned long *phys, unsigned long *size);
-
-extern void kdump_move_device_tree(void);
-
-/* Get the MAC address */
-extern const void *of_get_mac_address(struct device_node *np);
-
-/**
- * of_irq_map_pci - Resolve the interrupt for a PCI device
- * @pdev: the device whose interrupt is to be resolved
- * @out_irq: structure of_irq filled by this function
- *
- * This function resolves the PCI interrupt for a given PCI device. If a
- * device-node exists for a given pci_dev, it will use normal OF tree
- * walking. If not, it will implement standard swizzling and walk up the
- * PCI tree until an device-node is found, at which point it will finish
- * resolving using the OF tree walking.
- */
-struct pci_dev;
-extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq);
-
-#endif /* __ASSEMBLY__ */
-#endif /* __KERNEL__ */
#endif /* _ASM_OPENRISC_PROM_H */
diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c
index d10d27a720c0..00c0ed333a3d 100644
--- a/arch/parisc/mm/fault.c
+++ b/arch/parisc/mm/fault.c
@@ -182,6 +182,9 @@ void do_page_fault(struct pt_regs *regs, unsigned long code,
if (user_mode(regs))
flags |= FAULT_FLAG_USER;
+
+ acc_type = parisc_acctyp(code, regs->iir);
+
if (acc_type & VM_WRITE)
flags |= FAULT_FLAG_WRITE;
retry:
@@ -196,8 +199,6 @@ retry:
good_area:
- acc_type = parisc_acctyp(code,regs->iir);
-
if ((vma->vm_flags & acc_type) != acc_type)
goto bad_area;
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile
index 6a15c968d214..15ca2255f438 100644
--- a/arch/powerpc/boot/Makefile
+++ b/arch/powerpc/boot/Makefile
@@ -74,7 +74,7 @@ src-wlib-$(CONFIG_8xx) += mpc8xx.c planetcore.c
src-wlib-$(CONFIG_PPC_82xx) += pq2.c fsl-soc.c planetcore.c
src-wlib-$(CONFIG_EMBEDDED6xx) += mv64x60.c mv64x60_i2c.c ugecon.c
-src-plat-y := of.c
+src-plat-y := of.c epapr.c
src-plat-$(CONFIG_40x) += fixed-head.S ep405.c cuboot-hotfoot.c \
treeboot-walnut.c cuboot-acadia.c \
cuboot-kilauea.c simpleboot.c \
@@ -97,7 +97,7 @@ src-plat-$(CONFIG_EMBEDDED6xx) += cuboot-pq2.c cuboot-mpc7448hpc2.c \
prpmc2800.c
src-plat-$(CONFIG_AMIGAONE) += cuboot-amigaone.c
src-plat-$(CONFIG_PPC_PS3) += ps3-head.S ps3-hvcall.S ps3.c
-src-plat-$(CONFIG_EPAPR_BOOT) += epapr.c
+src-plat-$(CONFIG_EPAPR_BOOT) += epapr.c epapr-wrapper.c
src-wlib := $(sort $(src-wlib-y))
src-plat := $(sort $(src-plat-y))
diff --git a/arch/powerpc/boot/epapr-wrapper.c b/arch/powerpc/boot/epapr-wrapper.c
new file mode 100644
index 000000000000..c10191006673
--- /dev/null
+++ b/arch/powerpc/boot/epapr-wrapper.c
@@ -0,0 +1,9 @@
+extern void epapr_platform_init(unsigned long r3, unsigned long r4,
+ unsigned long r5, unsigned long r6,
+ unsigned long r7);
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
+{
+ epapr_platform_init(r3, r4, r5, r6, r7);
+}
diff --git a/arch/powerpc/boot/epapr.c b/arch/powerpc/boot/epapr.c
index 06c1961bd124..02e91aa2194a 100644
--- a/arch/powerpc/boot/epapr.c
+++ b/arch/powerpc/boot/epapr.c
@@ -48,8 +48,8 @@ static void platform_fixups(void)
fdt_addr, fdt_totalsize((void *)fdt_addr), ima_size);
}
-void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
- unsigned long r6, unsigned long r7)
+void epapr_platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
{
epapr_magic = r6;
ima_size = r7;
diff --git a/arch/powerpc/boot/of.c b/arch/powerpc/boot/of.c
index 61d9899aa0d0..62e2f43ec1df 100644
--- a/arch/powerpc/boot/of.c
+++ b/arch/powerpc/boot/of.c
@@ -26,6 +26,9 @@
static unsigned long claim_base;
+void epapr_platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7);
+
static void *of_try_claim(unsigned long size)
{
unsigned long addr = 0;
@@ -61,7 +64,7 @@ static void of_image_hdr(const void *hdr)
}
}
-void platform_init(unsigned long a1, unsigned long a2, void *promptr)
+static void of_platform_init(unsigned long a1, unsigned long a2, void *promptr)
{
platform_ops.image_hdr = of_image_hdr;
platform_ops.malloc = of_try_claim;
@@ -81,3 +84,14 @@ void platform_init(unsigned long a1, unsigned long a2, void *promptr)
loader_info.initrd_size = a2;
}
}
+
+void platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
+ unsigned long r6, unsigned long r7)
+{
+ /* Detect OF vs. ePAPR boot */
+ if (r5)
+ of_platform_init(r3, r4, (void *)r5);
+ else
+ epapr_platform_init(r3, r4, r5, r6, r7);
+}
+
diff --git a/arch/powerpc/boot/wrapper b/arch/powerpc/boot/wrapper
index 6761c746048d..cd7af841ba05 100755
--- a/arch/powerpc/boot/wrapper
+++ b/arch/powerpc/boot/wrapper
@@ -148,18 +148,18 @@ make_space=y
case "$platform" in
pseries)
- platformo=$object/of.o
+ platformo="$object/of.o $object/epapr.o"
link_address='0x4000000'
;;
maple)
- platformo=$object/of.o
+ platformo="$object/of.o $object/epapr.o"
link_address='0x400000'
;;
pmac|chrp)
- platformo=$object/of.o
+ platformo="$object/of.o $object/epapr.o"
;;
coff)
- platformo="$object/crt0.o $object/of.o"
+ platformo="$object/crt0.o $object/of.o $object/epapr.o"
lds=$object/zImage.coff.lds
link_address='0x500000'
pie=
@@ -253,6 +253,7 @@ treeboot-iss4xx-mpic)
platformo="$object/treeboot-iss4xx.o"
;;
epapr)
+ platformo="$object/epapr.o $object/epapr-wrapper.o"
link_address='0x20000000'
pie=-pie
;;
diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h
index 0e40843a1c6e..41f13cec8a8f 100644
--- a/arch/powerpc/include/asm/irq.h
+++ b/arch/powerpc/include/asm/irq.h
@@ -69,9 +69,9 @@ extern struct thread_info *softirq_ctx[NR_CPUS];
extern void irq_ctx_init(void);
extern void call_do_softirq(struct thread_info *tp);
-extern int call_handle_irq(int irq, void *p1,
- struct thread_info *tp, void *func);
+extern void call_do_irq(struct pt_regs *regs, struct thread_info *tp);
extern void do_IRQ(struct pt_regs *regs);
+extern void __do_irq(struct pt_regs *regs);
int irq_choose_cpu(const struct cpumask *mask);
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index e378cccfca55..ce4de5aed7b5 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -149,8 +149,6 @@ typedef struct {
struct thread_struct {
unsigned long ksp; /* Kernel stack pointer */
- unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */
-
#ifdef CONFIG_PPC64
unsigned long ksp_vsid;
#endif
@@ -162,6 +160,7 @@ struct thread_struct {
#endif
#ifdef CONFIG_PPC32
void *pgdir; /* root of page-table tree */
+ unsigned long ksp_limit; /* if ksp <= ksp_limit stack overflow */
#endif
#ifdef CONFIG_PPC_ADV_DEBUG_REGS
/*
@@ -321,7 +320,6 @@ struct thread_struct {
#else
#define INIT_THREAD { \
.ksp = INIT_SP, \
- .ksp_limit = INIT_SP_LIMIT, \
.regs = (struct pt_regs *)INIT_SP - 1, /* XXX bogus, I think */ \
.fs = KERNEL_DS, \
.fpr = {{0}}, \
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index d8958be5f31a..502c7a4e73f7 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -80,10 +80,11 @@ int main(void)
DEFINE(TASKTHREADPPR, offsetof(struct task_struct, thread.ppr));
#else
DEFINE(THREAD_INFO, offsetof(struct task_struct, stack));
+ DEFINE(THREAD_INFO_GAP, _ALIGN_UP(sizeof(struct thread_info), 16));
+ DEFINE(KSP_LIMIT, offsetof(struct thread_struct, ksp_limit));
#endif /* CONFIG_PPC64 */
DEFINE(KSP, offsetof(struct thread_struct, ksp));
- DEFINE(KSP_LIMIT, offsetof(struct thread_struct, ksp_limit));
DEFINE(PT_REGS, offsetof(struct thread_struct, regs));
#ifdef CONFIG_BOOKE
DEFINE(THREAD_NORMSAVES, offsetof(struct thread_struct, normsave[0]));
diff --git a/arch/powerpc/kernel/iommu.c b/arch/powerpc/kernel/iommu.c
index 0adab06ce5c0..572bb5b95f35 100644
--- a/arch/powerpc/kernel/iommu.c
+++ b/arch/powerpc/kernel/iommu.c
@@ -661,7 +661,7 @@ struct iommu_table *iommu_init_table(struct iommu_table *tbl, int nid)
/* number of bytes needed for the bitmap */
sz = BITS_TO_LONGS(tbl->it_size) * sizeof(unsigned long);
- page = alloc_pages_node(nid, GFP_ATOMIC, get_order(sz));
+ page = alloc_pages_node(nid, GFP_KERNEL, get_order(sz));
if (!page)
panic("iommu_init_table: Can't allocate %ld bytes\n", sz);
tbl->it_map = page_address(page);
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index c69440cef7af..57d286a78f86 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -441,50 +441,6 @@ void migrate_irqs(void)
}
#endif
-static inline void handle_one_irq(unsigned int irq)
-{
- struct thread_info *curtp, *irqtp;
- unsigned long saved_sp_limit;
- struct irq_desc *desc;
-
- desc = irq_to_desc(irq);
- if (!desc)
- return;
-
- /* Switch to the irq stack to handle this */
- curtp = current_thread_info();
- irqtp = hardirq_ctx[smp_processor_id()];
-
- if (curtp == irqtp) {
- /* We're already on the irq stack, just handle it */
- desc->handle_irq(irq, desc);
- return;
- }
-
- saved_sp_limit = current->thread.ksp_limit;
-
- irqtp->task = curtp->task;
- irqtp->flags = 0;
-
- /* Copy the softirq bits in preempt_count so that the
- * softirq checks work in the hardirq context. */
- irqtp->preempt_count = (irqtp->preempt_count & ~SOFTIRQ_MASK) |
- (curtp->preempt_count & SOFTIRQ_MASK);
-
- current->thread.ksp_limit = (unsigned long)irqtp +
- _ALIGN_UP(sizeof(struct thread_info), 16);
-
- call_handle_irq(irq, desc, irqtp, desc->handle_irq);
- current->thread.ksp_limit = saved_sp_limit;
- irqtp->task = NULL;
-
- /* Set any flag that may have been set on the
- * alternate stack
- */
- if (irqtp->flags)
- set_bits(irqtp->flags, &curtp->flags);
-}
-
static inline void check_stack_overflow(void)
{
#ifdef CONFIG_DEBUG_STACKOVERFLOW
@@ -501,9 +457,9 @@ static inline void check_stack_overflow(void)
#endif
}
-void do_IRQ(struct pt_regs *regs)
+void __do_irq(struct pt_regs *regs)
{
- struct pt_regs *old_regs = set_irq_regs(regs);
+ struct irq_desc *desc;
unsigned int irq;
irq_enter();
@@ -519,18 +475,56 @@ void do_IRQ(struct pt_regs *regs)
*/
irq = ppc_md.get_irq();
- /* We can hard enable interrupts now */
+ /* We can hard enable interrupts now to allow perf interrupts */
may_hard_irq_enable();
/* And finally process it */
- if (irq != NO_IRQ)
- handle_one_irq(irq);
- else
+ if (unlikely(irq == NO_IRQ))
__get_cpu_var(irq_stat).spurious_irqs++;
+ else {
+ desc = irq_to_desc(irq);
+ if (likely(desc))
+ desc->handle_irq(irq, desc);
+ }
trace_irq_exit(regs);
irq_exit();
+}
+
+void do_IRQ(struct pt_regs *regs)
+{
+ struct pt_regs *old_regs = set_irq_regs(regs);
+ struct thread_info *curtp, *irqtp;
+
+ /* Switch to the irq stack to handle this */
+ curtp = current_thread_info();
+ irqtp = hardirq_ctx[raw_smp_processor_id()];
+
+ /* Already there ? */
+ if (unlikely(curtp == irqtp)) {
+ __do_irq(regs);
+ set_irq_regs(old_regs);
+ return;
+ }
+
+ /* Prepare the thread_info in the irq stack */
+ irqtp->task = curtp->task;
+ irqtp->flags = 0;
+
+ /* Copy the preempt_count so that the [soft]irq checks work. */
+ irqtp->preempt_count = curtp->preempt_count;
+
+ /* Switch stack and call */
+ call_do_irq(regs, irqtp);
+
+ /* Restore stack limit */
+ irqtp->task = NULL;
+
+ /* Copy back updates to the thread_info */
+ if (irqtp->flags)
+ set_bits(irqtp->flags, &curtp->flags);
+
set_irq_regs(old_regs);
}
@@ -592,28 +586,22 @@ void irq_ctx_init(void)
memset((void *)softirq_ctx[i], 0, THREAD_SIZE);
tp = softirq_ctx[i];
tp->cpu = i;
- tp->preempt_count = 0;
memset((void *)hardirq_ctx[i], 0, THREAD_SIZE);
tp = hardirq_ctx[i];
tp->cpu = i;
- tp->preempt_count = HARDIRQ_OFFSET;
}
}
static inline void do_softirq_onstack(void)
{
struct thread_info *curtp, *irqtp;
- unsigned long saved_sp_limit = current->thread.ksp_limit;
curtp = current_thread_info();
irqtp = softirq_ctx[smp_processor_id()];
irqtp->task = curtp->task;
irqtp->flags = 0;
- current->thread.ksp_limit = (unsigned long)irqtp +
- _ALIGN_UP(sizeof(struct thread_info), 16);
call_do_softirq(irqtp);
- current->thread.ksp_limit = saved_sp_limit;
irqtp->task = NULL;
/* Set any flag that may have been set on the
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 777d999f563b..2b0ad9845363 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -36,26 +36,41 @@
.text
+/*
+ * We store the saved ksp_limit in the unused part
+ * of the STACK_FRAME_OVERHEAD
+ */
_GLOBAL(call_do_softirq)
mflr r0
stw r0,4(r1)
+ lwz r10,THREAD+KSP_LIMIT(r2)
+ addi r11,r3,THREAD_INFO_GAP
stwu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r3)
mr r1,r3
+ stw r10,8(r1)
+ stw r11,THREAD+KSP_LIMIT(r2)
bl __do_softirq
+ lwz r10,8(r1)
lwz r1,0(r1)
lwz r0,4(r1)
+ stw r10,THREAD+KSP_LIMIT(r2)
mtlr r0
blr
-_GLOBAL(call_handle_irq)
+_GLOBAL(call_do_irq)
mflr r0
stw r0,4(r1)
- mtctr r6
- stwu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r5)
- mr r1,r5
- bctrl
+ lwz r10,THREAD+KSP_LIMIT(r2)
+ addi r11,r3,THREAD_INFO_GAP
+ stwu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r4)
+ mr r1,r4
+ stw r10,8(r1)
+ stw r11,THREAD+KSP_LIMIT(r2)
+ bl __do_irq
+ lwz r10,8(r1)
lwz r1,0(r1)
lwz r0,4(r1)
+ stw r10,THREAD+KSP_LIMIT(r2)
mtlr r0
blr
diff --git a/arch/powerpc/kernel/misc_64.S b/arch/powerpc/kernel/misc_64.S
index 971d7e78aff2..e59caf874d05 100644
--- a/arch/powerpc/kernel/misc_64.S
+++ b/arch/powerpc/kernel/misc_64.S
@@ -40,14 +40,12 @@ _GLOBAL(call_do_softirq)
mtlr r0
blr
-_GLOBAL(call_handle_irq)
- ld r8,0(r6)
+_GLOBAL(call_do_irq)
mflr r0
std r0,16(r1)
- mtctr r8
- stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r5)
- mr r1,r5
- bctrl
+ stdu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r4)
+ mr r1,r4
+ bl .__do_irq
ld r1,0(r1)
ld r0,16(r1)
mtlr r0
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 6f428da53e20..96d2fdf3aa9e 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -1000,9 +1000,10 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
kregs = (struct pt_regs *) sp;
sp -= STACK_FRAME_OVERHEAD;
p->thread.ksp = sp;
+#ifdef CONFIG_PPC32
p->thread.ksp_limit = (unsigned long)task_stack_page(p) +
_ALIGN_UP(sizeof(struct thread_info), 16);
-
+#endif
#ifdef CONFIG_HAVE_HW_BREAKPOINT
p->thread.ptrace_bps[0] = NULL;
#endif
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 12e656ffe60e..5fe2842e8bab 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -196,6 +196,8 @@ static int __initdata mem_reserve_cnt;
static cell_t __initdata regbuf[1024];
+static bool rtas_has_query_cpu_stopped;
+
/*
* Error results ... some OF calls will return "-1" on error, some
@@ -1574,6 +1576,11 @@ static void __init prom_instantiate_rtas(void)
prom_setprop(rtas_node, "/rtas", "linux,rtas-entry",
&val, sizeof(val));
+ /* Check if it supports "query-cpu-stopped-state" */
+ if (prom_getprop(rtas_node, "query-cpu-stopped-state",
+ &val, sizeof(val)) != PROM_ERROR)
+ rtas_has_query_cpu_stopped = true;
+
#if defined(CONFIG_PPC_POWERNV) && defined(__BIG_ENDIAN__)
/* PowerVN takeover hack */
prom_rtas_data = base;
@@ -1815,6 +1822,18 @@ static void __init prom_hold_cpus(void)
= (void *) LOW_ADDR(__secondary_hold_acknowledge);
unsigned long secondary_hold = LOW_ADDR(__secondary_hold);
+ /*
+ * On pseries, if RTAS supports "query-cpu-stopped-state",
+ * we skip this stage, the CPUs will be started by the
+ * kernel using RTAS.
+ */
+ if ((of_platform == PLATFORM_PSERIES ||
+ of_platform == PLATFORM_PSERIES_LPAR) &&
+ rtas_has_query_cpu_stopped) {
+ prom_printf("prom_hold_cpus: skipped\n");
+ return;
+ }
+
prom_debug("prom_hold_cpus: start...\n");
prom_debug(" 1) spinloop = 0x%x\n", (unsigned long)spinloop);
prom_debug(" 1) *spinloop = 0x%x\n", *spinloop);
@@ -3011,6 +3030,8 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4,
* On non-powermacs, put all CPUs in spin-loops.
*
* PowerMacs use a different mechanism to spin CPUs
+ *
+ * (This must be done after instanciating RTAS)
*/
if (of_platform != PLATFORM_POWERMAC &&
of_platform != PLATFORM_OPAL)
diff --git a/arch/powerpc/kernel/sysfs.c b/arch/powerpc/kernel/sysfs.c
index 27a90b99ef67..b4e667663d9b 100644
--- a/arch/powerpc/kernel/sysfs.c
+++ b/arch/powerpc/kernel/sysfs.c
@@ -17,6 +17,7 @@
#include <asm/machdep.h>
#include <asm/smp.h>
#include <asm/pmc.h>
+#include <asm/firmware.h>
#include "cacheinfo.h"
@@ -179,15 +180,25 @@ SYSFS_PMCSETUP(spurr, SPRN_SPURR);
SYSFS_PMCSETUP(dscr, SPRN_DSCR);
SYSFS_PMCSETUP(pir, SPRN_PIR);
+/*
+ Lets only enable read for phyp resources and
+ enable write when needed with a separate function.
+ Lets be conservative and default to pseries.
+*/
static DEVICE_ATTR(mmcra, 0600, show_mmcra, store_mmcra);
static DEVICE_ATTR(spurr, 0400, show_spurr, NULL);
static DEVICE_ATTR(dscr, 0600, show_dscr, store_dscr);
-static DEVICE_ATTR(purr, 0600, show_purr, store_purr);
+static DEVICE_ATTR(purr, 0400, show_purr, store_purr);
static DEVICE_ATTR(pir, 0400, show_pir, NULL);
unsigned long dscr_default = 0;
EXPORT_SYMBOL(dscr_default);
+static void add_write_permission_dev_attr(struct device_attribute *attr)
+{
+ attr->attr.mode |= 0200;
+}
+
static ssize_t show_dscr_default(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -394,8 +405,11 @@ static void register_cpu_online(unsigned int cpu)
if (cpu_has_feature(CPU_FTR_MMCRA))
device_create_file(s, &dev_attr_mmcra);
- if (cpu_has_feature(CPU_FTR_PURR))
+ if (cpu_has_feature(CPU_FTR_PURR)) {
+ if (!firmware_has_feature(FW_FEATURE_LPAR))
+ add_write_permission_dev_attr(&dev_attr_purr);
device_create_file(s, &dev_attr_purr);
+ }
if (cpu_has_feature(CPU_FTR_SPURR))
device_create_file(s, &dev_attr_spurr);
diff --git a/arch/powerpc/kernel/tm.S b/arch/powerpc/kernel/tm.S
index 7b60b9851469..cd809eaa8b5c 100644
--- a/arch/powerpc/kernel/tm.S
+++ b/arch/powerpc/kernel/tm.S
@@ -79,6 +79,11 @@ _GLOBAL(tm_abort)
TABORT(R3)
blr
+ .section ".toc","aw"
+DSCR_DEFAULT:
+ .tc dscr_default[TC],dscr_default
+
+ .section ".text"
/* void tm_reclaim(struct thread_struct *thread,
* unsigned long orig_msr,
@@ -123,6 +128,7 @@ _GLOBAL(tm_reclaim)
mr r15, r14
ori r15, r15, MSR_FP
li r16, MSR_RI
+ ori r16, r16, MSR_EE /* IRQs hard off */
andc r15, r15, r16
oris r15, r15, MSR_VEC@h
#ifdef CONFIG_VSX
@@ -187,11 +193,18 @@ dont_backup_fp:
std r1, PACATMSCRATCH(r13)
ld r1, PACAR1(r13)
+ /* Store the PPR in r11 and reset to decent value */
+ std r11, GPR11(r1) /* Temporary stash */
+ mfspr r11, SPRN_PPR
+ HMT_MEDIUM
+
/* Now get some more GPRS free */
std r7, GPR7(r1) /* Temporary stash */
std r12, GPR12(r1) /* '' '' '' */
ld r12, STACK_PARAM(0)(r1) /* Param 0, thread_struct * */
+ std r11, THREAD_TM_PPR(r12) /* Store PPR and free r11 */
+
addi r7, r12, PT_CKPT_REGS /* Thread's ckpt_regs */
/* Make r7 look like an exception frame so that we
@@ -203,15 +216,19 @@ dont_backup_fp:
SAVE_GPR(0, r7) /* user r0 */
SAVE_GPR(2, r7) /* user r2 */
SAVE_4GPRS(3, r7) /* user r3-r6 */
- SAVE_4GPRS(8, r7) /* user r8-r11 */
+ SAVE_GPR(8, r7) /* user r8 */
+ SAVE_GPR(9, r7) /* user r9 */
+ SAVE_GPR(10, r7) /* user r10 */
ld r3, PACATMSCRATCH(r13) /* user r1 */
ld r4, GPR7(r1) /* user r7 */
- ld r5, GPR12(r1) /* user r12 */
- GET_SCRATCH0(6) /* user r13 */
+ ld r5, GPR11(r1) /* user r11 */
+ ld r6, GPR12(r1) /* user r12 */
+ GET_SCRATCH0(8) /* user r13 */
std r3, GPR1(r7)
std r4, GPR7(r7)
- std r5, GPR12(r7)
- std r6, GPR13(r7)
+ std r5, GPR11(r7)
+ std r6, GPR12(r7)
+ std r8, GPR13(r7)
SAVE_NVGPRS(r7) /* user r14-r31 */
@@ -234,14 +251,12 @@ dont_backup_fp:
std r6, _XER(r7)
- /* ******************** TAR, PPR, DSCR ********** */
+ /* ******************** TAR, DSCR ********** */
mfspr r3, SPRN_TAR
- mfspr r4, SPRN_PPR
- mfspr r5, SPRN_DSCR
+ mfspr r4, SPRN_DSCR
std r3, THREAD_TM_TAR(r12)
- std r4, THREAD_TM_PPR(r12)
- std r5, THREAD_TM_DSCR(r12)
+ std r4, THREAD_TM_DSCR(r12)
/* MSR and flags: We don't change CRs, and we don't need to alter
* MSR.
@@ -258,7 +273,7 @@ dont_backup_fp:
std r3, THREAD_TM_TFHAR(r12)
std r4, THREAD_TM_TFIAR(r12)
- /* AMR and PPR are checkpointed too, but are unsupported by Linux. */
+ /* AMR is checkpointed too, but is unsupported by Linux. */
/* Restore original MSR/IRQ state & clear TM mode */
ld r14, TM_FRAME_L0(r1) /* Orig MSR */
@@ -274,6 +289,12 @@ dont_backup_fp:
mtcr r4
mtlr r0
ld r2, 40(r1)
+
+ /* Load system default DSCR */
+ ld r4, DSCR_DEFAULT@toc(r2)
+ ld r0, 0(r4)
+ mtspr SPRN_DSCR, r0
+
blr
@@ -358,25 +379,24 @@ dont_restore_fp:
restore_gprs:
- /* ******************** TAR, PPR, DSCR ********** */
- ld r4, THREAD_TM_TAR(r3)
- ld r5, THREAD_TM_PPR(r3)
- ld r6, THREAD_TM_DSCR(r3)
+ /* ******************** CR,LR,CCR,MSR ********** */
+ ld r4, _CTR(r7)
+ ld r5, _LINK(r7)
+ ld r6, _CCR(r7)
+ ld r8, _XER(r7)
- mtspr SPRN_TAR, r4
- mtspr SPRN_PPR, r5
- mtspr SPRN_DSCR, r6
+ mtctr r4
+ mtlr r5
+ mtcr r6
+ mtxer r8
- /* ******************** CR,LR,CCR,MSR ********** */
- ld r3, _CTR(r7)
- ld r4, _LINK(r7)
- ld r5, _CCR(r7)
- ld r6, _XER(r7)
+ /* ******************** TAR ******************** */
+ ld r4, THREAD_TM_TAR(r3)
+ mtspr SPRN_TAR, r4
- mtctr r3
- mtlr r4
- mtcr r5
- mtxer r6
+ /* Load up the PPR and DSCR in GPRs only at this stage */
+ ld r5, THREAD_TM_DSCR(r3)
+ ld r6, THREAD_TM_PPR(r3)
/* Clear the MSR RI since we are about to change R1. EE is already off
*/
@@ -384,19 +404,26 @@ restore_gprs:
mtmsrd r4, 1
REST_4GPRS(0, r7) /* GPR0-3 */
- REST_GPR(4, r7) /* GPR4-6 */
- REST_GPR(5, r7)
- REST_GPR(6, r7)
+ REST_GPR(4, r7) /* GPR4 */
REST_4GPRS(8, r7) /* GPR8-11 */
REST_2GPRS(12, r7) /* GPR12-13 */
REST_NVGPRS(r7) /* GPR14-31 */
- ld r7, GPR7(r7) /* GPR7 */
+ /* Load up PPR and DSCR here so we don't run with user values for long
+ */
+ mtspr SPRN_DSCR, r5
+ mtspr SPRN_PPR, r6
+
+ REST_GPR(5, r7) /* GPR5-7 */
+ REST_GPR(6, r7)
+ ld r7, GPR7(r7)
/* Commit register state as checkpointed state: */
TRECHKPT
+ HMT_MEDIUM
+
/* Our transactional state has now changed.
*
* Now just get out of here. Transactional (current) state will be
@@ -419,6 +446,12 @@ restore_gprs:
mtcr r4
mtlr r0
ld r2, 40(r1)
+
+ /* Load system default DSCR */
+ ld r4, DSCR_DEFAULT@toc(r2)
+ ld r0, 0(r4)
+ mtspr SPRN_DSCR, r0
+
blr
/* ****************************************************************** */
diff --git a/arch/powerpc/kernel/vio.c b/arch/powerpc/kernel/vio.c
index 78a350670de3..d38cc08b16c7 100644
--- a/arch/powerpc/kernel/vio.c
+++ b/arch/powerpc/kernel/vio.c
@@ -1530,11 +1530,15 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
const char *cp;
dn = dev->of_node;
- if (!dn)
- return -ENODEV;
+ if (!dn) {
+ strcat(buf, "\n");
+ return strlen(buf);
+ }
cp = of_get_property(dn, "compatible", NULL);
- if (!cp)
- return -ENODEV;
+ if (!cp) {
+ strcat(buf, "\n");
+ return strlen(buf);
+ }
return sprintf(buf, "vio:T%sS%s\n", vio_dev->type, cp);
}
diff --git a/arch/powerpc/lib/checksum_64.S b/arch/powerpc/lib/checksum_64.S
index 167f72555d60..57a072065057 100644
--- a/arch/powerpc/lib/checksum_64.S
+++ b/arch/powerpc/lib/checksum_64.S
@@ -226,19 +226,35 @@ _GLOBAL(csum_partial)
blr
- .macro source
+ .macro srcnr
100:
.section __ex_table,"a"
.align 3
- .llong 100b,.Lsrc_error
+ .llong 100b,.Lsrc_error_nr
.previous
.endm
- .macro dest
+ .macro source
+150:
+ .section __ex_table,"a"
+ .align 3
+ .llong 150b,.Lsrc_error
+ .previous
+ .endm
+
+ .macro dstnr
200:
.section __ex_table,"a"
.align 3
- .llong 200b,.Ldest_error
+ .llong 200b,.Ldest_error_nr
+ .previous
+ .endm
+
+ .macro dest
+250:
+ .section __ex_table,"a"
+ .align 3
+ .llong 250b,.Ldest_error
.previous
.endm
@@ -269,16 +285,16 @@ _GLOBAL(csum_partial_copy_generic)
rldicl. r6,r3,64-1,64-2 /* r6 = (r3 & 0x3) >> 1 */
beq .Lcopy_aligned
- li r7,4
- sub r6,r7,r6
+ li r9,4
+ sub r6,r9,r6
mtctr r6
1:
-source; lhz r6,0(r3) /* align to doubleword */
+srcnr; lhz r6,0(r3) /* align to doubleword */
subi r5,r5,2
addi r3,r3,2
adde r0,r0,r6
-dest; sth r6,0(r4)
+dstnr; sth r6,0(r4)
addi r4,r4,2
bdnz 1b
@@ -392,10 +408,10 @@ dest; std r16,56(r4)
mtctr r6
3:
-source; ld r6,0(r3)
+srcnr; ld r6,0(r3)
addi r3,r3,8
adde r0,r0,r6
-dest; std r6,0(r4)
+dstnr; std r6,0(r4)
addi r4,r4,8
bdnz 3b
@@ -405,10 +421,10 @@ dest; std r6,0(r4)
srdi. r6,r5,2
beq .Lcopy_tail_halfword
-source; lwz r6,0(r3)
+srcnr; lwz r6,0(r3)
addi r3,r3,4
adde r0,r0,r6
-dest; stw r6,0(r4)
+dstnr; stw r6,0(r4)
addi r4,r4,4
subi r5,r5,4
@@ -416,10 +432,10 @@ dest; stw r6,0(r4)
srdi. r6,r5,1
beq .Lcopy_tail_byte
-source; lhz r6,0(r3)
+srcnr; lhz r6,0(r3)
addi r3,r3,2
adde r0,r0,r6
-dest; sth r6,0(r4)
+dstnr; sth r6,0(r4)
addi r4,r4,2
subi r5,r5,2
@@ -427,10 +443,10 @@ dest; sth r6,0(r4)
andi. r6,r5,1
beq .Lcopy_finish
-source; lbz r6,0(r3)
+srcnr; lbz r6,0(r3)
sldi r9,r6,8 /* Pad the byte out to 16 bits */
adde r0,r0,r9
-dest; stb r6,0(r4)
+dstnr; stb r6,0(r4)
.Lcopy_finish:
addze r0,r0 /* add in final carry */
@@ -440,6 +456,11 @@ dest; stb r6,0(r4)
blr
.Lsrc_error:
+ ld r14,STK_REG(R14)(r1)
+ ld r15,STK_REG(R15)(r1)
+ ld r16,STK_REG(R16)(r1)
+ addi r1,r1,STACKFRAMESIZE
+.Lsrc_error_nr:
cmpdi 0,r7,0
beqlr
li r6,-EFAULT
@@ -447,6 +468,11 @@ dest; stb r6,0(r4)
blr
.Ldest_error:
+ ld r14,STK_REG(R14)(r1)
+ ld r15,STK_REG(R15)(r1)
+ ld r16,STK_REG(R16)(r1)
+ addi r1,r1,STACKFRAMESIZE
+.Ldest_error_nr:
cmpdi 0,r8,0
beqlr
li r6,-EFAULT
diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index a7ee978fb860..b1faa1593c90 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -1505,6 +1505,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
*/
if ((ra == 1) && !(regs->msr & MSR_PR) \
&& (val3 >= (regs->gpr[1] - STACK_INT_FRAME_SIZE))) {
+#ifdef CONFIG_PPC32
/*
* Check if we will touch kernel sack overflow
*/
@@ -1513,7 +1514,7 @@ int __kprobes emulate_step(struct pt_regs *regs, unsigned int instr)
err = -EINVAL;
break;
}
-
+#endif /* CONFIG_PPC32 */
/*
* Check if we already set since that means we'll
* lose the previous value.
diff --git a/arch/powerpc/mm/init_64.c b/arch/powerpc/mm/init_64.c
index d0cd9e4c6837..8ed035d2edb5 100644
--- a/arch/powerpc/mm/init_64.c
+++ b/arch/powerpc/mm/init_64.c
@@ -300,5 +300,9 @@ void vmemmap_free(unsigned long start, unsigned long end)
{
}
+void register_page_bootmem_memmap(unsigned long section_nr,
+ struct page *start_page, unsigned long size)
+{
+}
#endif /* CONFIG_SPARSEMEM_VMEMMAP */
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 1cf9c5b67f24..3fa93dc7fe75 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -297,12 +297,21 @@ void __init paging_init(void)
}
#endif /* ! CONFIG_NEED_MULTIPLE_NODES */
+static void __init register_page_bootmem_info(void)
+{
+ int i;
+
+ for_each_online_node(i)
+ register_page_bootmem_info_node(NODE_DATA(i));
+}
+
void __init mem_init(void)
{
#ifdef CONFIG_SWIOTLB
swiotlb_init(0);
#endif
+ register_page_bootmem_info();
high_memory = (void *) __va(max_low_pfn * PAGE_SIZE);
set_max_mapnr(max_pfn);
free_all_bootmem();
diff --git a/arch/powerpc/perf/power8-pmu.c b/arch/powerpc/perf/power8-pmu.c
index 2ee4a707f0df..a3f7abd2f13f 100644
--- a/arch/powerpc/perf/power8-pmu.c
+++ b/arch/powerpc/perf/power8-pmu.c
@@ -199,6 +199,7 @@
#define MMCR1_UNIT_SHIFT(pmc) (60 - (4 * ((pmc) - 1)))
#define MMCR1_COMBINE_SHIFT(pmc) (35 - ((pmc) - 1))
#define MMCR1_PMCSEL_SHIFT(pmc) (24 - (((pmc) - 1)) * 8)
+#define MMCR1_FAB_SHIFT 36
#define MMCR1_DC_QUAL_SHIFT 47
#define MMCR1_IC_QUAL_SHIFT 46
@@ -388,8 +389,8 @@ static int power8_compute_mmcr(u64 event[], int n_ev,
* the threshold bits are used for the match value.
*/
if (event_is_fab_match(event[i])) {
- mmcr1 |= (event[i] >> EVENT_THR_CTL_SHIFT) &
- EVENT_THR_CTL_MASK;
+ mmcr1 |= ((event[i] >> EVENT_THR_CTL_SHIFT) &
+ EVENT_THR_CTL_MASK) << MMCR1_FAB_SHIFT;
} else {
val = (event[i] >> EVENT_THR_CTL_SHIFT) & EVENT_THR_CTL_MASK;
mmcra |= val << MMCRA_THR_CTL_SHIFT;
diff --git a/arch/powerpc/platforms/pseries/smp.c b/arch/powerpc/platforms/pseries/smp.c
index 1c1771a40250..24f58cb0a543 100644
--- a/arch/powerpc/platforms/pseries/smp.c
+++ b/arch/powerpc/platforms/pseries/smp.c
@@ -233,18 +233,24 @@ static void __init smp_init_pseries(void)
alloc_bootmem_cpumask_var(&of_spin_mask);
- /* Mark threads which are still spinning in hold loops. */
- if (cpu_has_feature(CPU_FTR_SMT)) {
- for_each_present_cpu(i) {
- if (cpu_thread_in_core(i) == 0)
- cpumask_set_cpu(i, of_spin_mask);
- }
- } else {
- cpumask_copy(of_spin_mask, cpu_present_mask);
+ /*
+ * Mark threads which are still spinning in hold loops
+ *
+ * We know prom_init will not have started them if RTAS supports
+ * query-cpu-stopped-state.
+ */
+ if (rtas_token("query-cpu-stopped-state") == RTAS_UNKNOWN_SERVICE) {
+ if (cpu_has_feature(CPU_FTR_SMT)) {
+ for_each_present_cpu(i) {
+ if (cpu_thread_in_core(i) == 0)
+ cpumask_set_cpu(i, of_spin_mask);
+ }
+ } else
+ cpumask_copy(of_spin_mask, cpu_present_mask);
+
+ cpumask_clear_cpu(boot_cpuid, of_spin_mask);
}
- cpumask_clear_cpu(boot_cpuid, of_spin_mask);
-
/* Non-lpar has additional take/give timebase */
if (rtas_token("freeze-time-base") != RTAS_UNKNOWN_SERVICE) {
smp_ops->give_timebase = rtas_give_timebase;
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index dcc6ac2d8026..7143793859fa 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -93,6 +93,7 @@ config S390
select ARCH_INLINE_WRITE_UNLOCK_IRQ
select ARCH_INLINE_WRITE_UNLOCK_IRQRESTORE
select ARCH_SAVE_PAGE_KEYS if HIBERNATION
+ select ARCH_USE_CMPXCHG_LOCKREF
select ARCH_WANT_IPC_PARSE_VERSION
select BUILDTIME_EXTABLE_SORT
select CLONE_BACKWARDS2
@@ -102,7 +103,6 @@ config S390
select GENERIC_TIME_VSYSCALL_OLD
select HAVE_ALIGNED_STRUCT_PAGE if SLUB
select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
- select HAVE_ARCH_MUTEX_CPU_RELAX
select HAVE_ARCH_SECCOMP_FILTER
select HAVE_ARCH_TRACEHOOK
select HAVE_ARCH_TRANSPARENT_HUGEPAGE if 64BIT
diff --git a/arch/s390/include/asm/mutex.h b/arch/s390/include/asm/mutex.h
index 688271f5f2e4..458c1f7fbc18 100644
--- a/arch/s390/include/asm/mutex.h
+++ b/arch/s390/include/asm/mutex.h
@@ -7,5 +7,3 @@
*/
#include <asm-generic/mutex-dec.h>
-
-#define arch_mutex_cpu_relax() barrier()
diff --git a/arch/s390/include/asm/processor.h b/arch/s390/include/asm/processor.h
index 0eb37505cab1..ca7821f07260 100644
--- a/arch/s390/include/asm/processor.h
+++ b/arch/s390/include/asm/processor.h
@@ -198,6 +198,8 @@ static inline void cpu_relax(void)
barrier();
}
+#define arch_mutex_cpu_relax() barrier()
+
static inline void psw_set_key(unsigned int key)
{
asm volatile("spka 0(%0)" : : "d" (key));
diff --git a/arch/s390/include/asm/spinlock.h b/arch/s390/include/asm/spinlock.h
index 701fe8c59e1f..83e5d216105e 100644
--- a/arch/s390/include/asm/spinlock.h
+++ b/arch/s390/include/asm/spinlock.h
@@ -44,6 +44,11 @@ extern void arch_spin_lock_wait_flags(arch_spinlock_t *, unsigned long flags);
extern int arch_spin_trylock_retry(arch_spinlock_t *);
extern void arch_spin_relax(arch_spinlock_t *lock);
+static inline int arch_spin_value_unlocked(arch_spinlock_t lock)
+{
+ return lock.owner_cpu == 0;
+}
+
static inline void arch_spin_lock(arch_spinlock_t *lp)
{
int old;
diff --git a/arch/score/Kconfig b/arch/score/Kconfig
index a1be70db75fe..305f7ee1f382 100644
--- a/arch/score/Kconfig
+++ b/arch/score/Kconfig
@@ -2,6 +2,7 @@ menu "Machine selection"
config SCORE
def_bool y
+ select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_SHOW
select GENERIC_IOMAP
select GENERIC_ATOMIC64
@@ -110,3 +111,6 @@ source "security/Kconfig"
source "crypto/Kconfig"
source "lib/Kconfig"
+
+config NO_IOMEM
+ def_bool y
diff --git a/arch/score/Makefile b/arch/score/Makefile
index 974aefe86123..9e3e060290e0 100644
--- a/arch/score/Makefile
+++ b/arch/score/Makefile
@@ -20,8 +20,8 @@ cflags-y += -G0 -pipe -mel -mnhwloop -D__SCOREEL__ \
#
KBUILD_AFLAGS += $(cflags-y)
KBUILD_CFLAGS += $(cflags-y)
-KBUILD_AFLAGS_MODULE += -mlong-calls
-KBUILD_CFLAGS_MODULE += -mlong-calls
+KBUILD_AFLAGS_MODULE +=
+KBUILD_CFLAGS_MODULE +=
LDFLAGS += --oformat elf32-littlescore
LDFLAGS_vmlinux += -G0 -static -nostdlib
diff --git a/arch/score/include/asm/checksum.h b/arch/score/include/asm/checksum.h
index f909ac3144a4..961bd64015a8 100644
--- a/arch/score/include/asm/checksum.h
+++ b/arch/score/include/asm/checksum.h
@@ -184,48 +184,57 @@ static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr,
__wsum sum)
{
__asm__ __volatile__(
- ".set\tnoreorder\t\t\t# csum_ipv6_magic\n\t"
- ".set\tnoat\n\t"
- "addu\t%0, %5\t\t\t# proto (long in network byte order)\n\t"
- "sltu\t$1, %0, %5\n\t"
- "addu\t%0, $1\n\t"
- "addu\t%0, %6\t\t\t# csum\n\t"
- "sltu\t$1, %0, %6\n\t"
- "lw\t%1, 0(%2)\t\t\t# four words source address\n\t"
- "addu\t%0, $1\n\t"
- "addu\t%0, %1\n\t"
- "sltu\t$1, %0, %1\n\t"
- "lw\t%1, 4(%2)\n\t"
- "addu\t%0, $1\n\t"
- "addu\t%0, %1\n\t"
- "sltu\t$1, %0, %1\n\t"
- "lw\t%1, 8(%2)\n\t"
- "addu\t%0, $1\n\t"
- "addu\t%0, %1\n\t"
- "sltu\t$1, %0, %1\n\t"
- "lw\t%1, 12(%2)\n\t"
- "addu\t%0, $1\n\t"
- "addu\t%0, %1\n\t"
- "sltu\t$1, %0, %1\n\t"
- "lw\t%1, 0(%3)\n\t"
- "addu\t%0, $1\n\t"
- "addu\t%0, %1\n\t"
- "sltu\t$1, %0, %1\n\t"
- "lw\t%1, 4(%3)\n\t"
- "addu\t%0, $1\n\t"
- "addu\t%0, %1\n\t"
- "sltu\t$1, %0, %1\n\t"
- "lw\t%1, 8(%3)\n\t"
- "addu\t%0, $1\n\t"
- "addu\t%0, %1\n\t"
- "sltu\t$1, %0, %1\n\t"
- "lw\t%1, 12(%3)\n\t"
- "addu\t%0, $1\n\t"
- "addu\t%0, %1\n\t"
- "sltu\t$1, %0, %1\n\t"
- "addu\t%0, $1\t\t\t# Add final carry\n\t"
- ".set\tnoat\n\t"
- ".set\tnoreorder"
+ ".set\tvolatile\t\t\t# csum_ipv6_magic\n\t"
+ "add\t%0, %0, %5\t\t\t# proto (long in network byte order)\n\t"
+ "cmp.c\t%5, %0\n\t"
+ "bleu 1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:add\t%0, %0, %6\t\t\t# csum\n\t"
+ "cmp.c\t%6, %0\n\t"
+ "lw\t%1, [%2, 0]\t\t\t# four words source address\n\t"
+ "bleu 1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:add\t%0, %0, %1\n\t"
+ "cmp.c\t%1, %0\n\t"
+ "1:lw\t%1, [%2, 4]\n\t"
+ "bleu 1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:add\t%0, %0, %1\n\t"
+ "cmp.c\t%1, %0\n\t"
+ "lw\t%1, [%2,8]\n\t"
+ "bleu 1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:add\t%0, %0, %1\n\t"
+ "cmp.c\t%1, %0\n\t"
+ "lw\t%1, [%2, 12]\n\t"
+ "bleu 1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:add\t%0, %0,%1\n\t"
+ "cmp.c\t%1, %0\n\t"
+ "lw\t%1, [%3, 0]\n\t"
+ "bleu 1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:add\t%0, %0, %1\n\t"
+ "cmp.c\t%1, %0\n\t"
+ "lw\t%1, [%3, 4]\n\t"
+ "bleu 1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:add\t%0, %0, %1\n\t"
+ "cmp.c\t%1, %0\n\t"
+ "lw\t%1, [%3, 8]\n\t"
+ "bleu 1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:add\t%0, %0, %1\n\t"
+ "cmp.c\t%1, %0\n\t"
+ "lw\t%1, [%3, 12]\n\t"
+ "bleu 1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:add\t%0, %0, %1\n\t"
+ "cmp.c\t%1, %0\n\t"
+ "bleu 1f\n\t"
+ "addi\t%0, 0x1\n\t"
+ "1:\n\t"
+ ".set\toptimize"
: "=r" (sum), "=r" (proto)
: "r" (saddr), "r" (daddr),
"0" (htonl(len)), "1" (htonl(proto)), "r" (sum));
diff --git a/arch/score/include/asm/io.h b/arch/score/include/asm/io.h
index fbbfd7132e3b..574c8827abe2 100644
--- a/arch/score/include/asm/io.h
+++ b/arch/score/include/asm/io.h
@@ -5,5 +5,4 @@
#define virt_to_bus virt_to_phys
#define bus_to_virt phys_to_virt
-
#endif /* _ASM_SCORE_IO_H */
diff --git a/arch/score/include/asm/pgalloc.h b/arch/score/include/asm/pgalloc.h
index 059a61b7071b..716b3fd1d863 100644
--- a/arch/score/include/asm/pgalloc.h
+++ b/arch/score/include/asm/pgalloc.h
@@ -2,7 +2,7 @@
#define _ASM_SCORE_PGALLOC_H
#include <linux/mm.h>
-
+#include <linux/highmem.h>
static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
pte_t *pte)
{
diff --git a/arch/score/kernel/entry.S b/arch/score/kernel/entry.S
index 7234ed09b7b7..befb87d30a89 100644
--- a/arch/score/kernel/entry.S
+++ b/arch/score/kernel/entry.S
@@ -264,7 +264,7 @@ resume_kernel:
disable_irq
lw r8, [r28, TI_PRE_COUNT]
cmpz.c r8
- bne r8, restore_all
+ bne restore_all
need_resched:
lw r8, [r28, TI_FLAGS]
andri.c r9, r8, _TIF_NEED_RESCHED
@@ -415,7 +415,7 @@ ENTRY(handle_sys)
sw r9, [r0, PT_EPC]
cmpi.c r27, __NR_syscalls # check syscall number
- bgeu illegal_syscall
+ bcs illegal_syscall
slli r8, r27, 2 # get syscall routine
la r11, sys_call_table
diff --git a/arch/score/kernel/process.c b/arch/score/kernel/process.c
index f4c6d02421d3..a1519ad3d49d 100644
--- a/arch/score/kernel/process.c
+++ b/arch/score/kernel/process.c
@@ -78,8 +78,8 @@ int copy_thread(unsigned long clone_flags, unsigned long usp,
p->thread.reg0 = (unsigned long) childregs;
if (unlikely(p->flags & PF_KTHREAD)) {
memset(childregs, 0, sizeof(struct pt_regs));
- p->thread->reg12 = usp;
- p->thread->reg13 = arg;
+ p->thread.reg12 = usp;
+ p->thread.reg13 = arg;
p->thread.reg3 = (unsigned long) ret_from_kernel_thread;
} else {
*childregs = *current_pt_regs();
diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig
index 2137ad667438..78c4fdb91bc5 100644
--- a/arch/sparc/Kconfig
+++ b/arch/sparc/Kconfig
@@ -506,12 +506,17 @@ config SUN_OPENPROMFS
Only choose N if you know in advance that you will not need to modify
OpenPROM settings on the running system.
-# Makefile helper
+# Makefile helpers
config SPARC64_PCI
bool
default y
depends on SPARC64 && PCI
+config SPARC64_PCI_MSI
+ bool
+ default y
+ depends on SPARC64_PCI && PCI_MSI
+
endmenu
menu "Executable file formats"
diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h
index e204f902e6c9..7c90c50c200d 100644
--- a/arch/sparc/include/asm/floppy_64.h
+++ b/arch/sparc/include/asm/floppy_64.h
@@ -254,7 +254,7 @@ static int sun_fd_request_irq(void)
once = 1;
error = request_irq(FLOPPY_IRQ, sparc_floppy_irq,
- IRQF_DISABLED, "floppy", NULL);
+ 0, "floppy", NULL);
return ((error == 0) ? 0 : -1);
}
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index d432fb20358e..d15cc1794b0e 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -1,3 +1,4 @@
+
#
# Makefile for the linux kernel.
#
@@ -99,7 +100,7 @@ obj-$(CONFIG_STACKTRACE) += stacktrace.o
obj-$(CONFIG_SPARC64_PCI) += pci.o pci_common.o psycho_common.o
obj-$(CONFIG_SPARC64_PCI) += pci_psycho.o pci_sabre.o pci_schizo.o
obj-$(CONFIG_SPARC64_PCI) += pci_sun4v.o pci_sun4v_asm.o pci_fire.o
-obj-$(CONFIG_PCI_MSI) += pci_msi.o
+obj-$(CONFIG_SPARC64_PCI_MSI) += pci_msi.o
obj-$(CONFIG_COMPAT) += sys32.o sys_sparc32.o signal32.o
diff --git a/arch/sparc/kernel/ds.c b/arch/sparc/kernel/ds.c
index 62d6b153ffa2..dff60abbea01 100644
--- a/arch/sparc/kernel/ds.c
+++ b/arch/sparc/kernel/ds.c
@@ -849,9 +849,8 @@ void ldom_reboot(const char *boot_command)
if (boot_command && strlen(boot_command)) {
unsigned long len;
- strcpy(full_boot_str, "boot ");
- strlcpy(full_boot_str + strlen("boot "), boot_command,
- sizeof(full_boot_str + strlen("boot ")));
+ snprintf(full_boot_str, sizeof(full_boot_str), "boot %s",
+ boot_command);
len = strlen(full_boot_str);
if (reboot_data_supported) {
diff --git a/arch/sparc/kernel/ldc.c b/arch/sparc/kernel/ldc.c
index 54df554b82d9..e01d75d40329 100644
--- a/arch/sparc/kernel/ldc.c
+++ b/arch/sparc/kernel/ldc.c
@@ -1249,12 +1249,12 @@ int ldc_bind(struct ldc_channel *lp, const char *name)
snprintf(lp->rx_irq_name, LDC_IRQ_NAME_MAX, "%s RX", name);
snprintf(lp->tx_irq_name, LDC_IRQ_NAME_MAX, "%s TX", name);
- err = request_irq(lp->cfg.rx_irq, ldc_rx, IRQF_DISABLED,
+ err = request_irq(lp->cfg.rx_irq, ldc_rx, 0,
lp->rx_irq_name, lp);
if (err)
return err;
- err = request_irq(lp->cfg.tx_irq, ldc_tx, IRQF_DISABLED,
+ err = request_irq(lp->cfg.tx_irq, ldc_tx, 0,
lp->tx_irq_name, lp);
if (err) {
free_irq(lp->cfg.rx_irq, lp);
diff --git a/arch/x86/include/asm/xen/page.h b/arch/x86/include/asm/xen/page.h
index 6aef9fbc09b7..b913915e8e63 100644
--- a/arch/x86/include/asm/xen/page.h
+++ b/arch/x86/include/asm/xen/page.h
@@ -79,30 +79,38 @@ static inline int phys_to_machine_mapping_valid(unsigned long pfn)
return get_phys_to_machine(pfn) != INVALID_P2M_ENTRY;
}
-static inline unsigned long mfn_to_pfn(unsigned long mfn)
+static inline unsigned long mfn_to_pfn_no_overrides(unsigned long mfn)
{
unsigned long pfn;
- int ret = 0;
+ int ret;
if (xen_feature(XENFEAT_auto_translated_physmap))
return mfn;
- if (unlikely(mfn >= machine_to_phys_nr)) {
- pfn = ~0;
- goto try_override;
- }
- pfn = 0;
+ if (unlikely(mfn >= machine_to_phys_nr))
+ return ~0;
+
/*
* The array access can fail (e.g., device space beyond end of RAM).
* In such cases it doesn't matter what we return (we return garbage),
* but we must handle the fault without crashing!
*/
ret = __get_user(pfn, &machine_to_phys_mapping[mfn]);
-try_override:
- /* ret might be < 0 if there are no entries in the m2p for mfn */
if (ret < 0)
- pfn = ~0;
- else if (get_phys_to_machine(pfn) != mfn)
+ return ~0;
+
+ return pfn;
+}
+
+static inline unsigned long mfn_to_pfn(unsigned long mfn)
+{
+ unsigned long pfn;
+
+ if (xen_feature(XENFEAT_auto_translated_physmap))
+ return mfn;
+
+ pfn = mfn_to_pfn_no_overrides(mfn);
+ if (get_phys_to_machine(pfn) != mfn) {
/*
* If this appears to be a foreign mfn (because the pfn
* doesn't map back to the mfn), then check the local override
@@ -111,6 +119,7 @@ try_override:
* m2p_find_override_pfn returns ~0 if it doesn't find anything.
*/
pfn = m2p_find_override_pfn(mfn, ~0);
+ }
/*
* pfn is ~0 if there are no entries in the m2p for mfn or if the
diff --git a/arch/x86/kernel/cpu/perf_event.c b/arch/x86/kernel/cpu/perf_event.c
index 8355c84b9729..897783b3302a 100644
--- a/arch/x86/kernel/cpu/perf_event.c
+++ b/arch/x86/kernel/cpu/perf_event.c
@@ -1506,7 +1506,7 @@ static int __init init_hw_perf_events(void)
err = amd_pmu_init();
break;
default:
- return 0;
+ err = -ENOTSUPP;
}
if (err != 0) {
pr_cont("no PMU driver, software events only.\n");
@@ -1883,9 +1883,9 @@ static struct pmu pmu = {
void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now)
{
- userpg->cap_usr_time = 0;
- userpg->cap_usr_time_zero = 0;
- userpg->cap_usr_rdpmc = x86_pmu.attr_rdpmc;
+ userpg->cap_user_time = 0;
+ userpg->cap_user_time_zero = 0;
+ userpg->cap_user_rdpmc = x86_pmu.attr_rdpmc;
userpg->pmc_width = x86_pmu.cntval_bits;
if (!boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
@@ -1894,13 +1894,13 @@ void arch_perf_update_userpage(struct perf_event_mmap_page *userpg, u64 now)
if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC))
return;
- userpg->cap_usr_time = 1;
+ userpg->cap_user_time = 1;
userpg->time_mult = this_cpu_read(cyc2ns);
userpg->time_shift = CYC2NS_SCALE_FACTOR;
userpg->time_offset = this_cpu_read(cyc2ns_offset) - now;
if (sched_clock_stable && !check_tsc_disabled()) {
- userpg->cap_usr_time_zero = 1;
+ userpg->cap_user_time_zero = 1;
userpg->time_zero = this_cpu_read(cyc2ns_offset);
}
}
diff --git a/arch/x86/kernel/cpu/perf_event_intel.c b/arch/x86/kernel/cpu/perf_event_intel.c
index 9db76c31b3c3..f31a1655d1ff 100644
--- a/arch/x86/kernel/cpu/perf_event_intel.c
+++ b/arch/x86/kernel/cpu/perf_event_intel.c
@@ -2325,6 +2325,7 @@ __init int intel_pmu_init(void)
break;
case 55: /* Atom 22nm "Silvermont" */
+ case 77: /* Avoton "Silvermont" */
memcpy(hw_cache_event_ids, slm_hw_cache_event_ids,
sizeof(hw_cache_event_ids));
memcpy(hw_cache_extra_regs, slm_hw_cache_extra_regs,
diff --git a/arch/x86/kernel/cpu/perf_event_intel_uncore.c b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
index 8ed44589b0e4..4118f9f68315 100644
--- a/arch/x86/kernel/cpu/perf_event_intel_uncore.c
+++ b/arch/x86/kernel/cpu/perf_event_intel_uncore.c
@@ -2706,14 +2706,14 @@ static void uncore_pmu_init_hrtimer(struct intel_uncore_box *box)
box->hrtimer.function = uncore_pmu_hrtimer;
}
-struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int cpu)
+static struct intel_uncore_box *uncore_alloc_box(struct intel_uncore_type *type, int node)
{
struct intel_uncore_box *box;
int i, size;
size = sizeof(*box) + type->num_shared_regs * sizeof(struct intel_uncore_extra_reg);
- box = kzalloc_node(size, GFP_KERNEL, cpu_to_node(cpu));
+ box = kzalloc_node(size, GFP_KERNEL, node);
if (!box)
return NULL;
@@ -3031,7 +3031,7 @@ static int uncore_validate_group(struct intel_uncore_pmu *pmu,
struct intel_uncore_box *fake_box;
int ret = -EINVAL, n;
- fake_box = uncore_alloc_box(pmu->type, smp_processor_id());
+ fake_box = uncore_alloc_box(pmu->type, NUMA_NO_NODE);
if (!fake_box)
return -ENOMEM;
@@ -3294,7 +3294,7 @@ static int uncore_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id
}
type = pci_uncores[UNCORE_PCI_DEV_TYPE(id->driver_data)];
- box = uncore_alloc_box(type, 0);
+ box = uncore_alloc_box(type, NUMA_NO_NODE);
if (!box)
return -ENOMEM;
@@ -3499,7 +3499,7 @@ static int uncore_cpu_prepare(int cpu, int phys_id)
if (pmu->func_id < 0)
pmu->func_id = j;
- box = uncore_alloc_box(type, cpu);
+ box = uncore_alloc_box(type, cpu_to_node(cpu));
if (!box)
return -ENOMEM;
diff --git a/arch/x86/kernel/microcode_amd.c b/arch/x86/kernel/microcode_amd.c
index 7123b5df479d..af99f71aeb7f 100644
--- a/arch/x86/kernel/microcode_amd.c
+++ b/arch/x86/kernel/microcode_amd.c
@@ -216,6 +216,7 @@ int apply_microcode_amd(int cpu)
/* need to apply patch? */
if (rev >= mc_amd->hdr.patch_id) {
c->microcode = rev;
+ uci->cpu_sig.rev = rev;
return 0;
}
diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
index 563ed91e6faa..e643e744e4d8 100644
--- a/arch/x86/kernel/reboot.c
+++ b/arch/x86/kernel/reboot.c
@@ -352,12 +352,28 @@ static struct dmi_system_id __initdata reboot_dmi_table[] = {
},
{ /* Handle problems with rebooting on the Precision M6600. */
.callback = set_pci_reboot,
- .ident = "Dell OptiPlex 990",
+ .ident = "Dell Precision M6600",
.matches = {
DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"),
},
},
+ { /* Handle problems with rebooting on the Dell PowerEdge C6100. */
+ .callback = set_pci_reboot,
+ .ident = "Dell PowerEdge C6100",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "C6100"),
+ },
+ },
+ { /* Some C6100 machines were shipped with vendor being 'Dell'. */
+ .callback = set_pci_reboot,
+ .ident = "Dell PowerEdge C6100",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "C6100"),
+ },
+ },
{ }
};
diff --git a/arch/x86/kernel/sysfb_simplefb.c b/arch/x86/kernel/sysfb_simplefb.c
index 22513e96b012..86179d409893 100644
--- a/arch/x86/kernel/sysfb_simplefb.c
+++ b/arch/x86/kernel/sysfb_simplefb.c
@@ -72,14 +72,14 @@ __init int create_simplefb(const struct screen_info *si,
* the part that is occupied by the framebuffer */
len = mode->height * mode->stride;
len = PAGE_ALIGN(len);
- if (len > si->lfb_size << 16) {
+ if (len > (u64)si->lfb_size << 16) {
printk(KERN_WARNING "sysfb: VRAM smaller than advertised\n");
return -EINVAL;
}
/* setup IORESOURCE_MEM as framebuffer memory */
memset(&res, 0, sizeof(res));
- res.flags = IORESOURCE_MEM;
+ res.flags = IORESOURCE_MEM | IORESOURCE_BUSY;
res.name = simplefb_resname;
res.start = si->lfb_base;
res.end = si->lfb_base + len - 1;
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index a1216de9ffda..3b8e7459dd4d 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5345,7 +5345,9 @@ static int handle_ept_violation(struct kvm_vcpu *vcpu)
* There are errata that may cause this bit to not be set:
* AAK134, BY25.
*/
- if (exit_qualification & INTR_INFO_UNBLOCK_NMI)
+ if (!(to_vmx(vcpu)->idt_vectoring_info & VECTORING_INFO_VALID_MASK) &&
+ cpu_has_virtual_nmis() &&
+ (exit_qualification & INTR_INFO_UNBLOCK_NMI))
vmcs_set_bits(GUEST_INTERRUPTIBILITY_INFO, GUEST_INTR_STATE_NMI);
gpa = vmcs_read64(GUEST_PHYSICAL_ADDRESS);
diff --git a/arch/x86/platform/efi/efi.c b/arch/x86/platform/efi/efi.c
index 90f6ed127096..c7e22ab29a5a 100644
--- a/arch/x86/platform/efi/efi.c
+++ b/arch/x86/platform/efi/efi.c
@@ -912,10 +912,13 @@ void __init efi_enter_virtual_mode(void)
for (p = memmap.map; p < memmap.map_end; p += memmap.desc_size) {
md = p;
- if (!(md->attribute & EFI_MEMORY_RUNTIME) &&
- md->type != EFI_BOOT_SERVICES_CODE &&
- md->type != EFI_BOOT_SERVICES_DATA)
- continue;
+ if (!(md->attribute & EFI_MEMORY_RUNTIME)) {
+#ifdef CONFIG_X86_64
+ if (md->type != EFI_BOOT_SERVICES_CODE &&
+ md->type != EFI_BOOT_SERVICES_DATA)
+#endif
+ continue;
+ }
size = md->num_pages << EFI_PAGE_SHIFT;
end = md->phys_addr + size;
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 8b901e8d782d..a61c7d5811be 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -879,7 +879,6 @@ int m2p_add_override(unsigned long mfn, struct page *page,
unsigned long uninitialized_var(address);
unsigned level;
pte_t *ptep = NULL;
- int ret = 0;
pfn = page_to_pfn(page);
if (!PageHighMem(page)) {
@@ -926,8 +925,8 @@ int m2p_add_override(unsigned long mfn, struct page *page,
* frontend pages while they are being shared with the backend,
* because mfn_to_pfn (that ends up being called by GUPF) will
* return the backend pfn rather than the frontend pfn. */
- ret = __get_user(pfn, &machine_to_phys_mapping[mfn]);
- if (ret == 0 && get_phys_to_machine(pfn) == mfn)
+ pfn = mfn_to_pfn_no_overrides(mfn);
+ if (get_phys_to_machine(pfn) == mfn)
set_phys_to_machine(pfn, FOREIGN_FRAME(mfn));
return 0;
@@ -942,7 +941,6 @@ int m2p_remove_override(struct page *page,
unsigned long uninitialized_var(address);
unsigned level;
pte_t *ptep = NULL;
- int ret = 0;
pfn = page_to_pfn(page);
mfn = get_phys_to_machine(pfn);
@@ -1029,8 +1027,8 @@ int m2p_remove_override(struct page *page,
* the original pfn causes mfn_to_pfn(mfn) to return the frontend
* pfn again. */
mfn &= ~FOREIGN_FRAME_BIT;
- ret = __get_user(pfn, &machine_to_phys_mapping[mfn]);
- if (ret == 0 && get_phys_to_machine(pfn) == FOREIGN_FRAME(mfn) &&
+ pfn = mfn_to_pfn_no_overrides(mfn);
+ if (get_phys_to_machine(pfn) == FOREIGN_FRAME(mfn) &&
m2p_find_override(mfn) == NULL)
set_phys_to_machine(pfn, mfn);
diff --git a/arch/x86/xen/spinlock.c b/arch/x86/xen/spinlock.c
index 253f63fceea1..be6b86078957 100644
--- a/arch/x86/xen/spinlock.c
+++ b/arch/x86/xen/spinlock.c
@@ -259,6 +259,14 @@ void xen_uninit_lock_cpu(int cpu)
}
+/*
+ * Our init of PV spinlocks is split in two init functions due to us
+ * using paravirt patching and jump labels patching and having to do
+ * all of this before SMP code is invoked.
+ *
+ * The paravirt patching needs to be done _before_ the alternative asm code
+ * is started, otherwise we would not patch the core kernel code.
+ */
void __init xen_init_spinlocks(void)
{
@@ -267,12 +275,26 @@ void __init xen_init_spinlocks(void)
return;
}
- static_key_slow_inc(&paravirt_ticketlocks_enabled);
-
pv_lock_ops.lock_spinning = PV_CALLEE_SAVE(xen_lock_spinning);
pv_lock_ops.unlock_kick = xen_unlock_kick;
}
+/*
+ * While the jump_label init code needs to happend _after_ the jump labels are
+ * enabled and before SMP is started. Hence we use pre-SMP initcall level
+ * init. We cannot do it in xen_init_spinlocks as that is done before
+ * jump labels are activated.
+ */
+static __init int xen_init_spinlocks_jump(void)
+{
+ if (!xen_pvspin)
+ return 0;
+
+ static_key_slow_inc(&paravirt_ticketlocks_enabled);
+ return 0;
+}
+early_initcall(xen_init_spinlocks_jump);
+
static __init int xen_parse_nopvspin(char *arg)
{
xen_pvspin = false;
diff --git a/block/Kconfig b/block/Kconfig
index 7f38e40fee08..2429515c05c2 100644
--- a/block/Kconfig
+++ b/block/Kconfig
@@ -99,11 +99,16 @@ config BLK_DEV_THROTTLING
See Documentation/cgroups/blkio-controller.txt for more information.
-config CMDLINE_PARSER
+config BLK_CMDLINE_PARSER
bool "Block device command line partition parser"
default n
---help---
- Parsing command line, get the partitions information.
+ Enabling this option allows you to specify the partition layout from
+ the kernel boot args. This is typically of use for embedded devices
+ which don't otherwise have any standardized method for listing the
+ partitions on a block device.
+
+ See Documentation/block/cmdline-partition.txt for more information.
menu "Partition Types"
diff --git a/block/Makefile b/block/Makefile
index 4fa4be544ece..671a83d063a5 100644
--- a/block/Makefile
+++ b/block/Makefile
@@ -18,4 +18,4 @@ obj-$(CONFIG_IOSCHED_CFQ) += cfq-iosched.o
obj-$(CONFIG_BLOCK_COMPAT) += compat_ioctl.o
obj-$(CONFIG_BLK_DEV_INTEGRITY) += blk-integrity.o
-obj-$(CONFIG_CMDLINE_PARSER) += cmdline-parser.o
+obj-$(CONFIG_BLK_CMDLINE_PARSER) += cmdline-parser.o
diff --git a/block/partitions/Kconfig b/block/partitions/Kconfig
index 87a32086535d..9b29a996c311 100644
--- a/block/partitions/Kconfig
+++ b/block/partitions/Kconfig
@@ -263,7 +263,7 @@ config SYSV68_PARTITION
config CMDLINE_PARTITION
bool "Command line partition support" if PARTITION_ADVANCED
- select CMDLINE_PARSER
+ select BLK_CMDLINE_PARSER
help
- Say Y here if you would read the partitions table from bootargs.
+ Say Y here if you want to read the partition table from bootargs.
The format for the command line is just like mtdparts.
diff --git a/block/partitions/cmdline.c b/block/partitions/cmdline.c
index 56cf4ffad51e..5141b563adf1 100644
--- a/block/partitions/cmdline.c
+++ b/block/partitions/cmdline.c
@@ -2,15 +2,15 @@
* Copyright (C) 2013 HUAWEI
* Author: Cai Zhiyong <caizhiyong@huawei.com>
*
- * Read block device partition table from command line.
- * The partition used for fixed block device (eMMC) embedded device.
- * It is no MBR, save storage space. Bootloader can be easily accessed
+ * Read block device partition table from the command line.
+ * Typically used for fixed block (eMMC) embedded devices.
+ * It has no MBR, so saves storage space. Bootloader can be easily accessed
* by absolute address of data on the block device.
* Users can easily change the partition.
*
* The format for the command line is just like mtdparts.
*
- * Verbose config please reference "Documentation/block/cmdline-partition.txt"
+ * For further information, see "Documentation/block/cmdline-partition.txt"
*
*/
diff --git a/drivers/acpi/acpi_ipmi.c b/drivers/acpi/acpi_ipmi.c
index f40acef80269..a6977e12d574 100644
--- a/drivers/acpi/acpi_ipmi.c
+++ b/drivers/acpi/acpi_ipmi.c
@@ -39,6 +39,7 @@
#include <linux/ipmi.h>
#include <linux/device.h>
#include <linux/pnp.h>
+#include <linux/spinlock.h>
MODULE_AUTHOR("Zhao Yakui");
MODULE_DESCRIPTION("ACPI IPMI Opregion driver");
@@ -57,7 +58,7 @@ struct acpi_ipmi_device {
struct list_head head;
/* the IPMI request message list */
struct list_head tx_msg_list;
- struct mutex tx_msg_lock;
+ spinlock_t tx_msg_lock;
acpi_handle handle;
struct pnp_dev *pnp_dev;
ipmi_user_t user_interface;
@@ -147,6 +148,7 @@ static void acpi_format_ipmi_msg(struct acpi_ipmi_msg *tx_msg,
struct kernel_ipmi_msg *msg;
struct acpi_ipmi_buffer *buffer;
struct acpi_ipmi_device *device;
+ unsigned long flags;
msg = &tx_msg->tx_message;
/*
@@ -177,10 +179,10 @@ static void acpi_format_ipmi_msg(struct acpi_ipmi_msg *tx_msg,
/* Get the msgid */
device = tx_msg->device;
- mutex_lock(&device->tx_msg_lock);
+ spin_lock_irqsave(&device->tx_msg_lock, flags);
device->curr_msgid++;
tx_msg->tx_msgid = device->curr_msgid;
- mutex_unlock(&device->tx_msg_lock);
+ spin_unlock_irqrestore(&device->tx_msg_lock, flags);
}
static void acpi_format_ipmi_response(struct acpi_ipmi_msg *msg,
@@ -242,6 +244,7 @@ static void ipmi_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data)
int msg_found = 0;
struct acpi_ipmi_msg *tx_msg;
struct pnp_dev *pnp_dev = ipmi_device->pnp_dev;
+ unsigned long flags;
if (msg->user != ipmi_device->user_interface) {
dev_warn(&pnp_dev->dev, "Unexpected response is returned. "
@@ -250,7 +253,7 @@ static void ipmi_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data)
ipmi_free_recv_msg(msg);
return;
}
- mutex_lock(&ipmi_device->tx_msg_lock);
+ spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags);
list_for_each_entry(tx_msg, &ipmi_device->tx_msg_list, head) {
if (msg->msgid == tx_msg->tx_msgid) {
msg_found = 1;
@@ -258,7 +261,7 @@ static void ipmi_msg_handler(struct ipmi_recv_msg *msg, void *user_msg_data)
}
}
- mutex_unlock(&ipmi_device->tx_msg_lock);
+ spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags);
if (!msg_found) {
dev_warn(&pnp_dev->dev, "Unexpected response (msg id %ld) is "
"returned.\n", msg->msgid);
@@ -378,6 +381,7 @@ acpi_ipmi_space_handler(u32 function, acpi_physical_address address,
struct acpi_ipmi_device *ipmi_device = handler_context;
int err, rem_time;
acpi_status status;
+ unsigned long flags;
/*
* IPMI opregion message.
* IPMI message is firstly written to the BMC and system software
@@ -395,9 +399,9 @@ acpi_ipmi_space_handler(u32 function, acpi_physical_address address,
return AE_NO_MEMORY;
acpi_format_ipmi_msg(tx_msg, address, value);
- mutex_lock(&ipmi_device->tx_msg_lock);
+ spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags);
list_add_tail(&tx_msg->head, &ipmi_device->tx_msg_list);
- mutex_unlock(&ipmi_device->tx_msg_lock);
+ spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags);
err = ipmi_request_settime(ipmi_device->user_interface,
&tx_msg->addr,
tx_msg->tx_msgid,
@@ -413,9 +417,9 @@ acpi_ipmi_space_handler(u32 function, acpi_physical_address address,
status = AE_OK;
end_label:
- mutex_lock(&ipmi_device->tx_msg_lock);
+ spin_lock_irqsave(&ipmi_device->tx_msg_lock, flags);
list_del(&tx_msg->head);
- mutex_unlock(&ipmi_device->tx_msg_lock);
+ spin_unlock_irqrestore(&ipmi_device->tx_msg_lock, flags);
kfree(tx_msg);
return status;
}
@@ -457,7 +461,7 @@ static void acpi_add_ipmi_device(struct acpi_ipmi_device *ipmi_device)
INIT_LIST_HEAD(&ipmi_device->head);
- mutex_init(&ipmi_device->tx_msg_lock);
+ spin_lock_init(&ipmi_device->tx_msg_lock);
INIT_LIST_HEAD(&ipmi_device->tx_msg_list);
ipmi_install_space_handler(ipmi_device);
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index fbdb82e70d10..611ce9061dc5 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1121,7 +1121,7 @@ int acpi_bus_register_driver(struct acpi_driver *driver)
EXPORT_SYMBOL(acpi_bus_register_driver);
/**
- * acpi_bus_unregister_driver - unregisters a driver with the APIC bus
+ * acpi_bus_unregister_driver - unregisters a driver with the ACPI bus
* @driver: driver to unregister
*
* Unregisters a driver with the ACPI bus. Searches the namespace for all
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index 958ba2a420c3..97f4acb54ad6 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -2,7 +2,7 @@
* sata_promise.c - Promise SATA
*
* Maintained by: Tejun Heo <tj@kernel.org>
- * Mikael Pettersson <mikpe@it.uu.se>
+ * Mikael Pettersson
* Please ALWAYS copy linux-ide@vger.kernel.org
* on emails.
*
diff --git a/drivers/base/core.c b/drivers/base/core.c
index c7cfadcf6752..34abf4d8a45f 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -2017,7 +2017,7 @@ EXPORT_SYMBOL_GPL(device_move);
*/
void device_shutdown(void)
{
- struct device *dev;
+ struct device *dev, *parent;
spin_lock(&devices_kset->list_lock);
/*
@@ -2034,7 +2034,7 @@ void device_shutdown(void)
* prevent it from being freed because parent's
* lock is to be held
*/
- get_device(dev->parent);
+ parent = get_device(dev->parent);
get_device(dev);
/*
* Make sure the device is off the kset list, in the
@@ -2044,8 +2044,8 @@ void device_shutdown(void)
spin_unlock(&devices_kset->list_lock);
/* hold lock to avoid race with probe/release */
- if (dev->parent)
- device_lock(dev->parent);
+ if (parent)
+ device_lock(parent);
device_lock(dev);
/* Don't allow any more runtime suspends */
@@ -2063,11 +2063,11 @@ void device_shutdown(void)
}
device_unlock(dev);
- if (dev->parent)
- device_unlock(dev->parent);
+ if (parent)
+ device_unlock(parent);
put_device(dev);
- put_device(dev->parent);
+ put_device(parent);
spin_lock(&devices_kset->list_lock);
}
diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c
index c9fd6943ce45..50329d1057ed 100644
--- a/drivers/bcma/driver_pci.c
+++ b/drivers/bcma/driver_pci.c
@@ -210,25 +210,6 @@ static void bcma_core_pci_config_fixup(struct bcma_drv_pci *pc)
}
}
-static void bcma_core_pci_power_save(struct bcma_drv_pci *pc, bool up)
-{
- u16 data;
-
- if (pc->core->id.rev >= 15 && pc->core->id.rev <= 20) {
- data = up ? 0x74 : 0x7C;
- bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
- BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7F64);
- bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
- BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data);
- } else if (pc->core->id.rev >= 21 && pc->core->id.rev <= 22) {
- data = up ? 0x75 : 0x7D;
- bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
- BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7E65);
- bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
- BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data);
- }
-}
-
/**************************************************
* Init.
**************************************************/
@@ -255,6 +236,32 @@ void bcma_core_pci_init(struct bcma_drv_pci *pc)
bcma_core_pci_clientmode_init(pc);
}
+void bcma_core_pci_power_save(struct bcma_bus *bus, bool up)
+{
+ struct bcma_drv_pci *pc;
+ u16 data;
+
+ if (bus->hosttype != BCMA_HOSTTYPE_PCI)
+ return;
+
+ pc = &bus->drv_pci[0];
+
+ if (pc->core->id.rev >= 15 && pc->core->id.rev <= 20) {
+ data = up ? 0x74 : 0x7C;
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7F64);
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data);
+ } else if (pc->core->id.rev >= 21 && pc->core->id.rev <= 22) {
+ data = up ? 0x75 : 0x7D;
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT1, 0x7E65);
+ bcma_pcie_mdio_writeread(pc, BCMA_CORE_PCI_MDIO_BLK1,
+ BCMA_CORE_PCI_MDIO_BLK1_MGMT3, data);
+ }
+}
+EXPORT_SYMBOL_GPL(bcma_core_pci_power_save);
+
int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core,
bool enable)
{
@@ -310,8 +317,6 @@ void bcma_core_pci_up(struct bcma_bus *bus)
pc = &bus->drv_pci[0];
- bcma_core_pci_power_save(pc, true);
-
bcma_core_pci_extend_L1timer(pc, true);
}
EXPORT_SYMBOL_GPL(bcma_core_pci_up);
@@ -326,7 +331,5 @@ void bcma_core_pci_down(struct bcma_bus *bus)
pc = &bus->drv_pci[0];
bcma_core_pci_extend_L1timer(pc, false);
-
- bcma_core_pci_power_save(pc, false);
}
EXPORT_SYMBOL_GPL(bcma_core_pci_down);
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index d2d95ff5353b..edfa2515bc86 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1189,6 +1189,7 @@ static int cciss_ioctl32_passthru(struct block_device *bdev, fmode_t mode,
int err;
u32 cp;
+ memset(&arg64, 0, sizeof(arg64));
err = 0;
err |=
copy_from_user(&arg64.LUN_info, &arg32->LUN_info,
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 639d26b90b91..2b9440384536 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -1193,6 +1193,7 @@ out_passthru:
ida_pci_info_struct pciinfo;
if (!arg) return -EINVAL;
+ memset(&pciinfo, 0, sizeof(pciinfo));
pciinfo.bus = host->pci_dev->bus->number;
pciinfo.dev_fn = host->pci_dev->devfn;
pciinfo.board_id = host->board_id;
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index a12b923bbaca..0a327f4154a2 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -85,6 +85,7 @@ static struct usb_device_id ath3k_table[] = {
{ USB_DEVICE(0x04CA, 0x3008) },
{ USB_DEVICE(0x13d3, 0x3362) },
{ USB_DEVICE(0x0CF3, 0xE004) },
+ { USB_DEVICE(0x0CF3, 0xE005) },
{ USB_DEVICE(0x0930, 0x0219) },
{ USB_DEVICE(0x0489, 0xe057) },
{ USB_DEVICE(0x13d3, 0x3393) },
@@ -126,6 +127,7 @@ static struct usb_device_id ath3k_blist_tbl[] = {
{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index 8e16f0af6358..f3dfc0a88fdc 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -102,6 +102,7 @@ static struct usb_device_id btusb_table[] = {
/* Broadcom BCM20702A0 */
{ USB_DEVICE(0x0b05, 0x17b5) },
+ { USB_DEVICE(0x0b05, 0x17cb) },
{ USB_DEVICE(0x04ca, 0x2003) },
{ USB_DEVICE(0x0489, 0xe042) },
{ USB_DEVICE(0x413c, 0x8197) },
@@ -112,6 +113,9 @@ static struct usb_device_id btusb_table[] = {
/*Broadcom devices with vendor specific id */
{ USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) },
+ /* Belkin F8065bf - Broadcom based */
+ { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) },
+
{ } /* Terminating entry */
};
@@ -148,6 +152,7 @@ static struct usb_device_id blacklist_table[] = {
{ USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
+ { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
{ USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
diff --git a/drivers/bus/mvebu-mbus.c b/drivers/bus/mvebu-mbus.c
index 19ab6ff53d59..2394e9753ef5 100644
--- a/drivers/bus/mvebu-mbus.c
+++ b/drivers/bus/mvebu-mbus.c
@@ -700,6 +700,7 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus,
phys_addr_t sdramwins_phys_base,
size_t sdramwins_size)
{
+ struct device_node *np;
int win;
mbus->mbuswins_base = ioremap(mbuswins_phys_base, mbuswins_size);
@@ -712,8 +713,11 @@ static int __init mvebu_mbus_common_init(struct mvebu_mbus_state *mbus,
return -ENOMEM;
}
- if (of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric"))
+ np = of_find_compatible_node(NULL, NULL, "marvell,coherency-fabric");
+ if (np) {
mbus->hw_io_coherency = 1;
+ of_node_put(np);
+ }
for (win = 0; win < mbus->soc->num_wins; win++)
mvebu_mbus_disable_window(mbus, win);
@@ -861,11 +865,13 @@ static void __init mvebu_mbus_get_pcie_resources(struct device_node *np,
int ret;
/*
- * These are optional, so we clear them and they'll
- * be zero if they are missing from the DT.
+ * These are optional, so we make sure that resource_size(x) will
+ * return 0.
*/
memset(mem, 0, sizeof(struct resource));
+ mem->end = -1;
memset(io, 0, sizeof(struct resource));
+ io->end = -1;
ret = of_property_read_u32_array(np, "pcie-mem-aperture", reg, ARRAY_SIZE(reg));
if (!ret) {
diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
index 7a7929ba2658..06189e55b4e5 100644
--- a/drivers/char/tpm/xen-tpmfront.c
+++ b/drivers/char/tpm/xen-tpmfront.c
@@ -142,32 +142,6 @@ static int vtpm_recv(struct tpm_chip *chip, u8 *buf, size_t count)
return length;
}
-ssize_t tpm_show_locality(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- struct tpm_chip *chip = dev_get_drvdata(dev);
- struct tpm_private *priv = TPM_VPRIV(chip);
- u8 locality = priv->shr->locality;
-
- return sprintf(buf, "%d\n", locality);
-}
-
-ssize_t tpm_store_locality(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t len)
-{
- struct tpm_chip *chip = dev_get_drvdata(dev);
- struct tpm_private *priv = TPM_VPRIV(chip);
- u8 val;
-
- int rv = kstrtou8(buf, 0, &val);
- if (rv)
- return rv;
-
- priv->shr->locality = val;
-
- return len;
-}
-
static const struct file_operations vtpm_ops = {
.owner = THIS_MODULE,
.llseek = no_llseek,
@@ -188,8 +162,6 @@ static DEVICE_ATTR(caps, S_IRUGO, tpm_show_caps, NULL);
static DEVICE_ATTR(cancel, S_IWUSR | S_IWGRP, NULL, tpm_store_cancel);
static DEVICE_ATTR(durations, S_IRUGO, tpm_show_durations, NULL);
static DEVICE_ATTR(timeouts, S_IRUGO, tpm_show_timeouts, NULL);
-static DEVICE_ATTR(locality, S_IRUGO | S_IWUSR, tpm_show_locality,
- tpm_store_locality);
static struct attribute *vtpm_attrs[] = {
&dev_attr_pubek.attr,
@@ -202,7 +174,6 @@ static struct attribute *vtpm_attrs[] = {
&dev_attr_cancel.attr,
&dev_attr_durations.attr,
&dev_attr_timeouts.attr,
- &dev_attr_locality.attr,
NULL,
};
@@ -210,8 +181,6 @@ static struct attribute_group vtpm_attr_grp = {
.attrs = vtpm_attrs,
};
-#define TPM_LONG_TIMEOUT (10 * 60 * HZ)
-
static const struct tpm_vendor_specific tpm_vtpm = {
.status = vtpm_status,
.recv = vtpm_recv,
@@ -224,11 +193,6 @@ static const struct tpm_vendor_specific tpm_vtpm = {
.miscdev = {
.fops = &vtpm_ops,
},
- .duration = {
- TPM_LONG_TIMEOUT,
- TPM_LONG_TIMEOUT,
- TPM_LONG_TIMEOUT,
- },
};
static irqreturn_t tpmif_interrupt(int dummy, void *dev_id)
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 41c69469ce20..971d796e071d 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -26,6 +26,7 @@ config DW_APB_TIMER_OF
config ARMADA_370_XP_TIMER
bool
+ select CLKSRC_OF
config ORION_TIMER
select CLKSRC_OF
diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c
index 37f5325bec95..b9ddd9e3a2f5 100644
--- a/drivers/clocksource/clksrc-of.c
+++ b/drivers/clocksource/clksrc-of.c
@@ -30,6 +30,9 @@ void __init clocksource_of_init(void)
clocksource_of_init_fn init_func;
for_each_matching_node_and_match(np, __clksrc_of_table, &match) {
+ if (!of_device_is_available(np))
+ continue;
+
init_func = match->data;
init_func(np);
}
diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c
index b9c81b7c3a3b..3a5909c12d42 100644
--- a/drivers/clocksource/em_sti.c
+++ b/drivers/clocksource/em_sti.c
@@ -301,7 +301,7 @@ static void em_sti_register_clockevent(struct em_sti_priv *p)
ced->name = dev_name(&p->pdev->dev);
ced->features = CLOCK_EVT_FEAT_ONESHOT;
ced->rating = 200;
- ced->cpumask = cpumask_of(0);
+ ced->cpumask = cpu_possible_mask;
ced->set_next_event = em_sti_clock_event_next;
ced->set_mode = em_sti_clock_event_mode;
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index 5b34768f4d7c..62b0de6a1837 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -428,7 +428,6 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt)
evt->irq);
return -EIO;
}
- irq_set_affinity(evt->irq, cpumask_of(cpu));
} else {
enable_percpu_irq(mct_irqs[MCT_L0_IRQ], 0);
}
@@ -449,6 +448,7 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu)
{
struct mct_clock_event_device *mevt;
+ unsigned int cpu;
/*
* Grab cpu pointer in each case to avoid spurious
@@ -459,6 +459,12 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self,
mevt = this_cpu_ptr(&percpu_mct_tick);
exynos4_local_timer_setup(&mevt->evt);
break;
+ case CPU_ONLINE:
+ cpu = (unsigned long)hcpu;
+ if (mct_int_type == MCT_INT_SPI)
+ irq_set_affinity(mct_irqs[MCT_L0_IRQ + cpu],
+ cpumask_of(cpu));
+ break;
case CPU_DYING:
mevt = this_cpu_ptr(&percpu_mct_tick);
exynos4_local_timer_stop(&mevt->evt);
@@ -500,6 +506,8 @@ static void __init exynos4_timer_resources(struct device_node *np, void __iomem
&percpu_mct_tick);
WARN(err, "MCT: can't request IRQ %d (%d)\n",
mct_irqs[MCT_L0_IRQ], err);
+ } else {
+ irq_set_affinity(mct_irqs[MCT_L0_IRQ], cpumask_of(0));
}
err = register_cpu_notifier(&exynos4_mct_cpu_nb);
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index a1260b4549db..d2c3253e015e 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -986,6 +986,10 @@ static int __init acpi_cpufreq_init(void)
{
int ret;
+ /* don't keep reloading if cpufreq_driver exists */
+ if (cpufreq_get_current_driver())
+ return 0;
+
if (acpi_disabled)
return 0;
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 89b3c52cd5c3..04548f7023af 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -1460,6 +1460,9 @@ unsigned int cpufreq_get(unsigned int cpu)
{
unsigned int ret_freq = 0;
+ if (cpufreq_disabled() || !cpufreq_driver)
+ return -ENOENT;
+
if (!down_read_trylock(&cpufreq_rwsem))
return 0;
diff --git a/drivers/cpufreq/exynos5440-cpufreq.c b/drivers/cpufreq/exynos5440-cpufreq.c
index d514c152fd1a..be5380ecdcd4 100644
--- a/drivers/cpufreq/exynos5440-cpufreq.c
+++ b/drivers/cpufreq/exynos5440-cpufreq.c
@@ -457,7 +457,7 @@ err_free_table:
opp_free_cpufreq_table(dvfs_info->dev, &dvfs_info->freq_table);
err_put_node:
of_node_put(np);
- dev_err(dvfs_info->dev, "%s: failed initialization\n", __func__);
+ dev_err(&pdev->dev, "%s: failed initialization\n", __func__);
return ret;
}
diff --git a/drivers/gpio/gpio-rcar.c b/drivers/gpio/gpio-rcar.c
index e3745eb07570..6038966ab045 100644
--- a/drivers/gpio/gpio-rcar.c
+++ b/drivers/gpio/gpio-rcar.c
@@ -293,10 +293,9 @@ static void gpio_rcar_parse_pdata(struct gpio_rcar_priv *p)
if (pdata) {
p->config = *pdata;
} else if (IS_ENABLED(CONFIG_OF) && np) {
- ret = of_parse_phandle_with_args(np, "gpio-ranges",
- "#gpio-range-cells", 0, &args);
- p->config.number_of_pins = ret == 0 && args.args_count == 3
- ? args.args[2]
+ ret = of_parse_phandle_with_fixed_args(np, "gpio-ranges", 3, 0,
+ &args);
+ p->config.number_of_pins = ret == 0 ? args.args[2]
: RCAR_MAX_GPIO_PER_BANK;
p->config.gpio_base = -1;
}
diff --git a/drivers/gpu/drm/i2c/tda998x_drv.c b/drivers/gpu/drm/i2c/tda998x_drv.c
index b1f8fc69023f..60e84043aa34 100644
--- a/drivers/gpu/drm/i2c/tda998x_drv.c
+++ b/drivers/gpu/drm/i2c/tda998x_drv.c
@@ -707,8 +707,7 @@ tda998x_encoder_dpms(struct drm_encoder *encoder, int mode)
reg_write(encoder, REG_VIP_CNTRL_2, priv->vip_cntrl_2);
break;
case DRM_MODE_DPMS_OFF:
- /* disable audio and video ports */
- reg_write(encoder, REG_ENA_AP, 0x00);
+ /* disable video ports */
reg_write(encoder, REG_ENA_VP_0, 0x00);
reg_write(encoder, REG_ENA_VP_1, 0x00);
reg_write(encoder, REG_ENA_VP_2, 0x00);
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index df9253d890ee..cdfb9da0e4ce 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -4800,10 +4800,10 @@ i915_gem_inactive_count(struct shrinker *shrinker, struct shrink_control *sc)
if (!mutex_trylock(&dev->struct_mutex)) {
if (!mutex_is_locked_by(&dev->struct_mutex, current))
- return SHRINK_STOP;
+ return 0;
if (dev_priv->mm.shrinker_no_lock_stealing)
- return SHRINK_STOP;
+ return 0;
unlock = false;
}
@@ -4901,10 +4901,10 @@ i915_gem_inactive_scan(struct shrinker *shrinker, struct shrink_control *sc)
if (!mutex_trylock(&dev->struct_mutex)) {
if (!mutex_is_locked_by(&dev->struct_mutex, current))
- return 0;
+ return SHRINK_STOP;
if (dev_priv->mm.shrinker_no_lock_stealing)
- return 0;
+ return SHRINK_STOP;
unlock = false;
}
diff --git a/drivers/gpu/drm/i915/i915_gpu_error.c b/drivers/gpu/drm/i915/i915_gpu_error.c
index aba9d7498996..dae364f0028c 100644
--- a/drivers/gpu/drm/i915/i915_gpu_error.c
+++ b/drivers/gpu/drm/i915/i915_gpu_error.c
@@ -143,8 +143,10 @@ static void i915_error_vprintf(struct drm_i915_error_state_buf *e,
/* Seek the first printf which is hits start position */
if (e->pos < e->start) {
- len = vsnprintf(NULL, 0, f, args);
- if (!__i915_error_seek(e, len))
+ va_list tmp;
+
+ va_copy(tmp, args);
+ if (!__i915_error_seek(e, vsnprintf(NULL, 0, f, tmp)))
return;
}
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index d8a1d98693e7..e5822e79f912 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -4775,6 +4775,10 @@ static void i9xx_set_pipeconf(struct intel_crtc *intel_crtc)
pipeconf = 0;
+ if (dev_priv->quirks & QUIRK_PIPEA_FORCE &&
+ I915_READ(PIPECONF(intel_crtc->pipe)) & PIPECONF_ENABLE)
+ pipeconf |= PIPECONF_ENABLE;
+
if (intel_crtc->pipe == 0 && INTEL_INFO(dev)->gen < 4) {
/* Enable pixel doubling when the dot clock is > 90% of the (display)
* core speed.
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 2151d13772b8..79c14e298ba6 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -588,7 +588,18 @@ intel_dp_i2c_aux_ch(struct i2c_adapter *adapter, int mode,
DRM_DEBUG_KMS("aux_ch native nack\n");
return -EREMOTEIO;
case AUX_NATIVE_REPLY_DEFER:
- udelay(100);
+ /*
+ * For now, just give more slack to branch devices. We
+ * could check the DPCD for I2C bit rate capabilities,
+ * and if available, adjust the interval. We could also
+ * be more careful with DP-to-Legacy adapters where a
+ * long legacy cable may force very low I2C bit rates.
+ */
+ if (intel_dp->dpcd[DP_DOWNSTREAMPORT_PRESENT] &
+ DP_DWN_STRM_PORT_PRESENT)
+ usleep_range(500, 600);
+ else
+ usleep_range(300, 400);
continue;
default:
DRM_ERROR("aux_ch invalid native reply 0x%02x\n",
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index f2c6d7909ae2..dd6f84bf6c22 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -916,6 +916,14 @@ intel_tv_compute_config(struct intel_encoder *encoder,
DRM_DEBUG_KMS("forcing bpc to 8 for TV\n");
pipe_config->pipe_bpp = 8*3;
+ /* TV has it's own notion of sync and other mode flags, so clear them. */
+ pipe_config->adjusted_mode.flags = 0;
+
+ /*
+ * FIXME: We don't check whether the input mode is actually what we want
+ * or whether userspace is doing something stupid.
+ */
+
return true;
}
diff --git a/drivers/gpu/drm/msm/mdp4/mdp4_kms.c b/drivers/gpu/drm/msm/mdp4/mdp4_kms.c
index 5db5bbaedae2..bc7fd11ad8be 100644
--- a/drivers/gpu/drm/msm/mdp4/mdp4_kms.c
+++ b/drivers/gpu/drm/msm/mdp4/mdp4_kms.c
@@ -19,8 +19,6 @@
#include "msm_drv.h"
#include "mdp4_kms.h"
-#include <mach/iommu.h>
-
static struct mdp4_platform_config *mdp4_get_config(struct platform_device *dev);
static int mdp4_hw_init(struct msm_kms *kms)
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 008d772384c7..b3a2f1629041 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -18,8 +18,6 @@
#include "msm_drv.h"
#include "msm_gpu.h"
-#include <mach/iommu.h>
-
static void msm_fb_output_poll_changed(struct drm_device *dev)
{
struct msm_drm_private *priv = dev->dev_private;
@@ -62,6 +60,8 @@ int msm_iommu_attach(struct drm_device *dev, struct iommu_domain *iommu,
int i, ret;
for (i = 0; i < cnt; i++) {
+ /* TODO maybe some day msm iommu won't require this hack: */
+ struct device *msm_iommu_get_ctx(const char *ctx_name);
struct device *ctx = msm_iommu_get_ctx(names[i]);
if (!ctx)
continue;
@@ -199,7 +199,7 @@ static int msm_load(struct drm_device *dev, unsigned long flags)
* imx drm driver on iMX5
*/
dev_err(dev->dev, "failed to load kms\n");
- ret = PTR_ERR(priv->kms);
+ ret = PTR_ERR(kms);
goto fail;
}
@@ -697,7 +697,7 @@ static struct drm_driver msm_driver = {
.gem_vm_ops = &vm_ops,
.dumb_create = msm_gem_dumb_create,
.dumb_map_offset = msm_gem_dumb_map_offset,
- .dumb_destroy = msm_gem_dumb_destroy,
+ .dumb_destroy = drm_gem_dumb_destroy,
#ifdef CONFIG_DEBUG_FS
.debugfs_init = msm_debugfs_init,
.debugfs_cleanup = msm_debugfs_cleanup,
diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c
index 29eacfa29cfb..2bae46c66a30 100644
--- a/drivers/gpu/drm/msm/msm_gem.c
+++ b/drivers/gpu/drm/msm/msm_gem.c
@@ -319,13 +319,6 @@ int msm_gem_dumb_create(struct drm_file *file, struct drm_device *dev,
MSM_BO_SCANOUT | MSM_BO_WC, &args->handle);
}
-int msm_gem_dumb_destroy(struct drm_file *file, struct drm_device *dev,
- uint32_t handle)
-{
- /* No special work needed, drop the reference and see what falls out */
- return drm_gem_handle_delete(file, handle);
-}
-
int msm_gem_dumb_map_offset(struct drm_file *file, struct drm_device *dev,
uint32_t handle, uint64_t *offset)
{
diff --git a/drivers/gpu/drm/radeon/btc_dpm.c b/drivers/gpu/drm/radeon/btc_dpm.c
index 05ff315e8e9e..b162e98a2953 100644
--- a/drivers/gpu/drm/radeon/btc_dpm.c
+++ b/drivers/gpu/drm/radeon/btc_dpm.c
@@ -1168,6 +1168,23 @@ static const struct radeon_blacklist_clocks btc_blacklist_clocks[] =
{ 25000, 30000, RADEON_SCLK_UP }
};
+void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table,
+ u32 *max_clock)
+{
+ u32 i, clock = 0;
+
+ if ((table == NULL) || (table->count == 0)) {
+ *max_clock = clock;
+ return;
+ }
+
+ for (i = 0; i < table->count; i++) {
+ if (clock < table->entries[i].clk)
+ clock = table->entries[i].clk;
+ }
+ *max_clock = clock;
+}
+
void btc_apply_voltage_dependency_rules(struct radeon_clock_voltage_dependency_table *table,
u32 clock, u16 max_voltage, u16 *voltage)
{
@@ -2080,6 +2097,7 @@ static void btc_apply_state_adjust_rules(struct radeon_device *rdev,
bool disable_mclk_switching;
u32 mclk, sclk;
u16 vddc, vddci;
+ u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc;
if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
btc_dpm_vblank_too_short(rdev))
@@ -2121,6 +2139,39 @@ static void btc_apply_state_adjust_rules(struct radeon_device *rdev,
ps->low.vddci = max_limits->vddci;
}
+ /* limit clocks to max supported clocks based on voltage dependency tables */
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
+ &max_sclk_vddc);
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
+ &max_mclk_vddci);
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
+ &max_mclk_vddc);
+
+ if (max_sclk_vddc) {
+ if (ps->low.sclk > max_sclk_vddc)
+ ps->low.sclk = max_sclk_vddc;
+ if (ps->medium.sclk > max_sclk_vddc)
+ ps->medium.sclk = max_sclk_vddc;
+ if (ps->high.sclk > max_sclk_vddc)
+ ps->high.sclk = max_sclk_vddc;
+ }
+ if (max_mclk_vddci) {
+ if (ps->low.mclk > max_mclk_vddci)
+ ps->low.mclk = max_mclk_vddci;
+ if (ps->medium.mclk > max_mclk_vddci)
+ ps->medium.mclk = max_mclk_vddci;
+ if (ps->high.mclk > max_mclk_vddci)
+ ps->high.mclk = max_mclk_vddci;
+ }
+ if (max_mclk_vddc) {
+ if (ps->low.mclk > max_mclk_vddc)
+ ps->low.mclk = max_mclk_vddc;
+ if (ps->medium.mclk > max_mclk_vddc)
+ ps->medium.mclk = max_mclk_vddc;
+ if (ps->high.mclk > max_mclk_vddc)
+ ps->high.mclk = max_mclk_vddc;
+ }
+
/* XXX validate the min clocks required for display */
if (disable_mclk_switching) {
diff --git a/drivers/gpu/drm/radeon/btc_dpm.h b/drivers/gpu/drm/radeon/btc_dpm.h
index 1a15e0e41950..3b6f12b7760b 100644
--- a/drivers/gpu/drm/radeon/btc_dpm.h
+++ b/drivers/gpu/drm/radeon/btc_dpm.h
@@ -46,6 +46,8 @@ void btc_adjust_clock_combinations(struct radeon_device *rdev,
struct rv7xx_pl *pl);
void btc_apply_voltage_dependency_rules(struct radeon_clock_voltage_dependency_table *table,
u32 clock, u16 max_voltage, u16 *voltage);
+void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table,
+ u32 *max_clock);
void btc_apply_voltage_delta_rules(struct radeon_device *rdev,
u16 max_vddc, u16 max_vddci,
u16 *vddc, u16 *vddci);
diff --git a/drivers/gpu/drm/radeon/ci_dpm.c b/drivers/gpu/drm/radeon/ci_dpm.c
index 899627443030..51e947a97edf 100644
--- a/drivers/gpu/drm/radeon/ci_dpm.c
+++ b/drivers/gpu/drm/radeon/ci_dpm.c
@@ -146,6 +146,8 @@ static const struct ci_pt_config_reg didt_config_ci[] =
};
extern u8 rv770_get_memory_module_index(struct radeon_device *rdev);
+extern void btc_get_max_clock_from_voltage_dependency_table(struct radeon_clock_voltage_dependency_table *table,
+ u32 *max_clock);
extern int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
u32 arb_freq_src, u32 arb_freq_dest);
extern u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock);
@@ -712,6 +714,7 @@ static void ci_apply_state_adjust_rules(struct radeon_device *rdev,
struct radeon_clock_and_voltage_limits *max_limits;
bool disable_mclk_switching;
u32 sclk, mclk;
+ u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc;
int i;
if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
@@ -739,6 +742,29 @@ static void ci_apply_state_adjust_rules(struct radeon_device *rdev,
}
}
+ /* limit clocks to max supported clocks based on voltage dependency tables */
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
+ &max_sclk_vddc);
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
+ &max_mclk_vddci);
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
+ &max_mclk_vddc);
+
+ for (i = 0; i < ps->performance_level_count; i++) {
+ if (max_sclk_vddc) {
+ if (ps->performance_levels[i].sclk > max_sclk_vddc)
+ ps->performance_levels[i].sclk = max_sclk_vddc;
+ }
+ if (max_mclk_vddci) {
+ if (ps->performance_levels[i].mclk > max_mclk_vddci)
+ ps->performance_levels[i].mclk = max_mclk_vddci;
+ }
+ if (max_mclk_vddc) {
+ if (ps->performance_levels[i].mclk > max_mclk_vddc)
+ ps->performance_levels[i].mclk = max_mclk_vddc;
+ }
+ }
+
/* XXX validate the min clocks required for display */
if (disable_mclk_switching) {
diff --git a/drivers/gpu/drm/radeon/cik.c b/drivers/gpu/drm/radeon/cik.c
index adbdb6503b05..d02fd1c045d5 100644
--- a/drivers/gpu/drm/radeon/cik.c
+++ b/drivers/gpu/drm/radeon/cik.c
@@ -2845,10 +2845,8 @@ static void cik_gpu_init(struct radeon_device *rdev)
rdev->config.cik.tile_config |= (3 << 0);
break;
}
- if ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT)
- rdev->config.cik.tile_config |= 1 << 4;
- else
- rdev->config.cik.tile_config |= 0 << 4;
+ rdev->config.cik.tile_config |=
+ ((mc_arb_ramcfg & NOOFBANK_MASK) >> NOOFBANK_SHIFT) << 4;
rdev->config.cik.tile_config |=
((gb_addr_config & PIPE_INTERLEAVE_SIZE_MASK) >> PIPE_INTERLEAVE_SIZE_SHIFT) << 8;
rdev->config.cik.tile_config |=
@@ -4456,8 +4454,8 @@ static int cik_mc_init(struct radeon_device *rdev)
rdev->mc.aper_base = pci_resource_start(rdev->pdev, 0);
rdev->mc.aper_size = pci_resource_len(rdev->pdev, 0);
/* size in MB on si */
- rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
- rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024 * 1024;
+ rdev->mc.mc_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
+ rdev->mc.real_vram_size = RREG32(CONFIG_MEMSIZE) * 1024ULL * 1024ULL;
rdev->mc.visible_vram_size = rdev->mc.aper_size;
si_vram_gtt_location(rdev, &rdev->mc);
radeon_update_bandwidth_info(rdev);
@@ -4735,12 +4733,13 @@ static void cik_vm_decode_fault(struct radeon_device *rdev,
u32 mc_id = (status & MEMORY_CLIENT_ID_MASK) >> MEMORY_CLIENT_ID_SHIFT;
u32 vmid = (status & FAULT_VMID_MASK) >> FAULT_VMID_SHIFT;
u32 protections = (status & PROTECTIONS_MASK) >> PROTECTIONS_SHIFT;
- char *block = (char *)&mc_client;
+ char block[5] = { mc_client >> 24, (mc_client >> 16) & 0xff,
+ (mc_client >> 8) & 0xff, mc_client & 0xff, 0 };
- printk("VM fault (0x%02x, vmid %d) at page %u, %s from %s (%d)\n",
+ printk("VM fault (0x%02x, vmid %d) at page %u, %s from '%s' (0x%08x) (%d)\n",
protections, vmid, addr,
(status & MEMORY_CLIENT_RW_MASK) ? "write" : "read",
- block, mc_id);
+ block, mc_client, mc_id);
}
/**
diff --git a/drivers/gpu/drm/radeon/ni_dpm.c b/drivers/gpu/drm/radeon/ni_dpm.c
index 6c398a456d78..f26339028154 100644
--- a/drivers/gpu/drm/radeon/ni_dpm.c
+++ b/drivers/gpu/drm/radeon/ni_dpm.c
@@ -787,6 +787,7 @@ static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
bool disable_mclk_switching;
u32 mclk, sclk;
u16 vddc, vddci;
+ u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc;
int i;
if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
@@ -813,6 +814,29 @@ static void ni_apply_state_adjust_rules(struct radeon_device *rdev,
}
}
+ /* limit clocks to max supported clocks based on voltage dependency tables */
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
+ &max_sclk_vddc);
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
+ &max_mclk_vddci);
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
+ &max_mclk_vddc);
+
+ for (i = 0; i < ps->performance_level_count; i++) {
+ if (max_sclk_vddc) {
+ if (ps->performance_levels[i].sclk > max_sclk_vddc)
+ ps->performance_levels[i].sclk = max_sclk_vddc;
+ }
+ if (max_mclk_vddci) {
+ if (ps->performance_levels[i].mclk > max_mclk_vddci)
+ ps->performance_levels[i].mclk = max_mclk_vddci;
+ }
+ if (max_mclk_vddc) {
+ if (ps->performance_levels[i].mclk > max_mclk_vddc)
+ ps->performance_levels[i].mclk = max_mclk_vddc;
+ }
+ }
+
/* XXX validate the min clocks required for display */
if (disable_mclk_switching) {
diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c
index 24175717307b..d71333033b2b 100644
--- a/drivers/gpu/drm/radeon/r100.c
+++ b/drivers/gpu/drm/radeon/r100.c
@@ -2933,9 +2933,11 @@ static int r100_debugfs_cp_ring_info(struct seq_file *m, void *data)
seq_printf(m, "CP_RB_RPTR 0x%08x\n", rdp);
seq_printf(m, "%u free dwords in ring\n", ring->ring_free_dw);
seq_printf(m, "%u dwords in ring\n", count);
- for (j = 0; j <= count; j++) {
- i = (rdp + j) & ring->ptr_mask;
- seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
+ if (ring->ready) {
+ for (j = 0; j <= count; j++) {
+ i = (rdp + j) & ring->ptr_mask;
+ seq_printf(m, "r[%04d]=0x%08x\n", i, ring->ring[i]);
+ }
}
return 0;
}
diff --git a/drivers/gpu/drm/radeon/r600_dpm.c b/drivers/gpu/drm/radeon/r600_dpm.c
index e65f211a7be0..5513d8f06252 100644
--- a/drivers/gpu/drm/radeon/r600_dpm.c
+++ b/drivers/gpu/drm/radeon/r600_dpm.c
@@ -1084,7 +1084,7 @@ int r600_parse_extended_power_table(struct radeon_device *rdev)
rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].dclk =
le16_to_cpu(uvd_clk->usDClkLow) | (uvd_clk->ucDClkHigh << 16);
rdev->pm.dpm.dyn_state.uvd_clock_voltage_dependency_table.entries[i].v =
- le16_to_cpu(limits->entries[i].usVoltage);
+ le16_to_cpu(entry->usVoltage);
entry = (ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record *)
((u8 *)entry + sizeof(ATOM_PPLIB_UVD_Clock_Voltage_Limit_Record));
}
diff --git a/drivers/gpu/drm/radeon/r600_hdmi.c b/drivers/gpu/drm/radeon/r600_hdmi.c
index f443010ce90b..b0fa6002af3e 100644
--- a/drivers/gpu/drm/radeon/r600_hdmi.c
+++ b/drivers/gpu/drm/radeon/r600_hdmi.c
@@ -257,10 +257,7 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
* number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
* is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
*/
- if (ASIC_IS_DCE3(rdev)) {
- /* according to the reg specs, this should DCE3.2 only, but in
- * practice it seems to cover DCE3.0 as well.
- */
+ if (ASIC_IS_DCE32(rdev)) {
if (dig->dig_encoder == 0) {
dto_cntl = RREG32(DCCG_AUDIO_DTO0_CNTL) & ~DCCG_AUDIO_DTO_WALLCLOCK_RATIO_MASK;
dto_cntl |= DCCG_AUDIO_DTO_WALLCLOCK_RATIO(wallclock_ratio);
@@ -276,8 +273,21 @@ void r600_audio_set_dto(struct drm_encoder *encoder, u32 clock)
WREG32(DCCG_AUDIO_DTO1_MODULE, dto_modulo);
WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
}
+ } else if (ASIC_IS_DCE3(rdev)) {
+ /* according to the reg specs, this should DCE3.2 only, but in
+ * practice it seems to cover DCE3.0/3.1 as well.
+ */
+ if (dig->dig_encoder == 0) {
+ WREG32(DCCG_AUDIO_DTO0_PHASE, base_rate * 100);
+ WREG32(DCCG_AUDIO_DTO0_MODULE, clock * 100);
+ WREG32(DCCG_AUDIO_DTO_SELECT, 0); /* select DTO0 */
+ } else {
+ WREG32(DCCG_AUDIO_DTO1_PHASE, base_rate * 100);
+ WREG32(DCCG_AUDIO_DTO1_MODULE, clock * 100);
+ WREG32(DCCG_AUDIO_DTO_SELECT, 1); /* select DTO1 */
+ }
} else {
- /* according to the reg specs, this should be DCE2.0 and DCE3.0 */
+ /* according to the reg specs, this should be DCE2.0 and DCE3.0/3.1 */
WREG32(AUDIO_DTO, AUDIO_DTO_PHASE(base_rate / 10) |
AUDIO_DTO_MODULE(clock / 10));
}
diff --git a/drivers/gpu/drm/radeon/radeon_asic.c b/drivers/gpu/drm/radeon/radeon_asic.c
index 5003385a7512..8f7e04538fd6 100644
--- a/drivers/gpu/drm/radeon/radeon_asic.c
+++ b/drivers/gpu/drm/radeon/radeon_asic.c
@@ -1004,6 +1004,8 @@ static struct radeon_asic rv6xx_asic = {
.wait_for_vblank = &avivo_wait_for_vblank,
.set_backlight_level = &atombios_set_backlight_level,
.get_backlight_level = &atombios_get_backlight_level,
+ .hdmi_enable = &r600_hdmi_enable,
+ .hdmi_setmode = &r600_hdmi_setmode,
},
.copy = {
.blit = &r600_copy_cpdma,
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 404e25d285ba..f79ee184ffd5 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -1367,6 +1367,7 @@ bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
int index = GetIndexIntoMasterTable(DATA, PPLL_SS_Info);
uint16_t data_offset, size;
struct _ATOM_SPREAD_SPECTRUM_INFO *ss_info;
+ struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT *ss_assign;
uint8_t frev, crev;
int i, num_indices;
@@ -1378,18 +1379,21 @@ bool radeon_atombios_get_ppll_ss_info(struct radeon_device *rdev,
num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
sizeof(ATOM_SPREAD_SPECTRUM_ASSIGNMENT);
-
+ ss_assign = (struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT*)
+ ((u8 *)&ss_info->asSS_Info[0]);
for (i = 0; i < num_indices; i++) {
- if (ss_info->asSS_Info[i].ucSS_Id == id) {
+ if (ss_assign->ucSS_Id == id) {
ss->percentage =
- le16_to_cpu(ss_info->asSS_Info[i].usSpreadSpectrumPercentage);
- ss->type = ss_info->asSS_Info[i].ucSpreadSpectrumType;
- ss->step = ss_info->asSS_Info[i].ucSS_Step;
- ss->delay = ss_info->asSS_Info[i].ucSS_Delay;
- ss->range = ss_info->asSS_Info[i].ucSS_Range;
- ss->refdiv = ss_info->asSS_Info[i].ucRecommendedRef_Div;
+ le16_to_cpu(ss_assign->usSpreadSpectrumPercentage);
+ ss->type = ss_assign->ucSpreadSpectrumType;
+ ss->step = ss_assign->ucSS_Step;
+ ss->delay = ss_assign->ucSS_Delay;
+ ss->range = ss_assign->ucSS_Range;
+ ss->refdiv = ss_assign->ucRecommendedRef_Div;
return true;
}
+ ss_assign = (struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT*)
+ ((u8 *)ss_assign + sizeof(struct _ATOM_SPREAD_SPECTRUM_ASSIGNMENT));
}
}
return false;
@@ -1477,6 +1481,12 @@ union asic_ss_info {
struct _ATOM_ASIC_INTERNAL_SS_INFO_V3 info_3;
};
+union asic_ss_assignment {
+ struct _ATOM_ASIC_SS_ASSIGNMENT v1;
+ struct _ATOM_ASIC_SS_ASSIGNMENT_V2 v2;
+ struct _ATOM_ASIC_SS_ASSIGNMENT_V3 v3;
+};
+
bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
struct radeon_atom_ss *ss,
int id, u32 clock)
@@ -1485,6 +1495,7 @@ bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
int index = GetIndexIntoMasterTable(DATA, ASIC_InternalSS_Info);
uint16_t data_offset, size;
union asic_ss_info *ss_info;
+ union asic_ss_assignment *ss_assign;
uint8_t frev, crev;
int i, num_indices;
@@ -1509,45 +1520,52 @@ bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
sizeof(ATOM_ASIC_SS_ASSIGNMENT);
+ ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info.asSpreadSpectrum[0]);
for (i = 0; i < num_indices; i++) {
- if ((ss_info->info.asSpreadSpectrum[i].ucClockIndication == id) &&
- (clock <= le32_to_cpu(ss_info->info.asSpreadSpectrum[i].ulTargetClockRange))) {
+ if ((ss_assign->v1.ucClockIndication == id) &&
+ (clock <= le32_to_cpu(ss_assign->v1.ulTargetClockRange))) {
ss->percentage =
- le16_to_cpu(ss_info->info.asSpreadSpectrum[i].usSpreadSpectrumPercentage);
- ss->type = ss_info->info.asSpreadSpectrum[i].ucSpreadSpectrumMode;
- ss->rate = le16_to_cpu(ss_info->info.asSpreadSpectrum[i].usSpreadRateInKhz);
+ le16_to_cpu(ss_assign->v1.usSpreadSpectrumPercentage);
+ ss->type = ss_assign->v1.ucSpreadSpectrumMode;
+ ss->rate = le16_to_cpu(ss_assign->v1.usSpreadRateInKhz);
return true;
}
+ ss_assign = (union asic_ss_assignment *)
+ ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT));
}
break;
case 2:
num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2);
+ ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_2.asSpreadSpectrum[0]);
for (i = 0; i < num_indices; i++) {
- if ((ss_info->info_2.asSpreadSpectrum[i].ucClockIndication == id) &&
- (clock <= le32_to_cpu(ss_info->info_2.asSpreadSpectrum[i].ulTargetClockRange))) {
+ if ((ss_assign->v2.ucClockIndication == id) &&
+ (clock <= le32_to_cpu(ss_assign->v2.ulTargetClockRange))) {
ss->percentage =
- le16_to_cpu(ss_info->info_2.asSpreadSpectrum[i].usSpreadSpectrumPercentage);
- ss->type = ss_info->info_2.asSpreadSpectrum[i].ucSpreadSpectrumMode;
- ss->rate = le16_to_cpu(ss_info->info_2.asSpreadSpectrum[i].usSpreadRateIn10Hz);
+ le16_to_cpu(ss_assign->v2.usSpreadSpectrumPercentage);
+ ss->type = ss_assign->v2.ucSpreadSpectrumMode;
+ ss->rate = le16_to_cpu(ss_assign->v2.usSpreadRateIn10Hz);
if ((crev == 2) &&
((id == ASIC_INTERNAL_ENGINE_SS) ||
(id == ASIC_INTERNAL_MEMORY_SS)))
ss->rate /= 100;
return true;
}
+ ss_assign = (union asic_ss_assignment *)
+ ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V2));
}
break;
case 3:
num_indices = (size - sizeof(ATOM_COMMON_TABLE_HEADER)) /
sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3);
+ ss_assign = (union asic_ss_assignment *)((u8 *)&ss_info->info_3.asSpreadSpectrum[0]);
for (i = 0; i < num_indices; i++) {
- if ((ss_info->info_3.asSpreadSpectrum[i].ucClockIndication == id) &&
- (clock <= le32_to_cpu(ss_info->info_3.asSpreadSpectrum[i].ulTargetClockRange))) {
+ if ((ss_assign->v3.ucClockIndication == id) &&
+ (clock <= le32_to_cpu(ss_assign->v3.ulTargetClockRange))) {
ss->percentage =
- le16_to_cpu(ss_info->info_3.asSpreadSpectrum[i].usSpreadSpectrumPercentage);
- ss->type = ss_info->info_3.asSpreadSpectrum[i].ucSpreadSpectrumMode;
- ss->rate = le16_to_cpu(ss_info->info_3.asSpreadSpectrum[i].usSpreadRateIn10Hz);
+ le16_to_cpu(ss_assign->v3.usSpreadSpectrumPercentage);
+ ss->type = ss_assign->v3.ucSpreadSpectrumMode;
+ ss->rate = le16_to_cpu(ss_assign->v3.usSpreadRateIn10Hz);
if ((id == ASIC_INTERNAL_ENGINE_SS) ||
(id == ASIC_INTERNAL_MEMORY_SS))
ss->rate /= 100;
@@ -1555,6 +1573,8 @@ bool radeon_atombios_get_asic_ss_info(struct radeon_device *rdev,
radeon_atombios_get_igp_ss_overrides(rdev, ss, id);
return true;
}
+ ss_assign = (union asic_ss_assignment *)
+ ((u8 *)ss_assign + sizeof(ATOM_ASIC_SS_ASSIGNMENT_V3));
}
break;
default:
diff --git a/drivers/gpu/drm/radeon/radeon_cs.c b/drivers/gpu/drm/radeon/radeon_cs.c
index ac6ece61a476..66c222836631 100644
--- a/drivers/gpu/drm/radeon/radeon_cs.c
+++ b/drivers/gpu/drm/radeon/radeon_cs.c
@@ -85,8 +85,9 @@ static int radeon_cs_parser_relocs(struct radeon_cs_parser *p)
VRAM, also but everything into VRAM on AGP cards to avoid
image corruptions */
if (p->ring == R600_RING_TYPE_UVD_INDEX &&
- (i == 0 || p->rdev->flags & RADEON_IS_AGP)) {
- /* TODO: is this still needed for NI+ ? */
+ p->rdev->family < CHIP_PALM &&
+ (i == 0 || drm_pci_device_is_agp(p->rdev->ddev))) {
+
p->relocs[i].lobj.domain =
RADEON_GEM_DOMAIN_VRAM;
diff --git a/drivers/gpu/drm/radeon/radeon_device.c b/drivers/gpu/drm/radeon/radeon_device.c
index e29faa73b574..841d0e09be3e 100644
--- a/drivers/gpu/drm/radeon/radeon_device.c
+++ b/drivers/gpu/drm/radeon/radeon_device.c
@@ -1320,13 +1320,22 @@ int radeon_device_init(struct radeon_device *rdev,
return r;
}
if ((radeon_testing & 1)) {
- radeon_test_moves(rdev);
+ if (rdev->accel_working)
+ radeon_test_moves(rdev);
+ else
+ DRM_INFO("radeon: acceleration disabled, skipping move tests\n");
}
if ((radeon_testing & 2)) {
- radeon_test_syncing(rdev);
+ if (rdev->accel_working)
+ radeon_test_syncing(rdev);
+ else
+ DRM_INFO("radeon: acceleration disabled, skipping sync tests\n");
}
if (radeon_benchmarking) {
- radeon_benchmark(rdev, radeon_benchmarking);
+ if (rdev->accel_working)
+ radeon_benchmark(rdev, radeon_benchmarking);
+ else
+ DRM_INFO("radeon: acceleration disabled, skipping benchmarks\n");
}
return 0;
}
diff --git a/drivers/gpu/drm/radeon/radeon_pm.c b/drivers/gpu/drm/radeon/radeon_pm.c
index 87e1d69e8fdb..ac07ad1d4f8c 100644
--- a/drivers/gpu/drm/radeon/radeon_pm.c
+++ b/drivers/gpu/drm/radeon/radeon_pm.c
@@ -1002,7 +1002,7 @@ static void radeon_pm_resume_old(struct radeon_device *rdev)
{
/* set up the default clocks if the MC ucode is loaded */
if ((rdev->family >= CHIP_BARTS) &&
- (rdev->family <= CHIP_HAINAN) &&
+ (rdev->family <= CHIP_CAYMAN) &&
rdev->mc_fw) {
if (rdev->pm.default_vddc)
radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
@@ -1046,7 +1046,7 @@ static void radeon_pm_resume_dpm(struct radeon_device *rdev)
if (ret) {
DRM_ERROR("radeon: dpm resume failed\n");
if ((rdev->family >= CHIP_BARTS) &&
- (rdev->family <= CHIP_HAINAN) &&
+ (rdev->family <= CHIP_CAYMAN) &&
rdev->mc_fw) {
if (rdev->pm.default_vddc)
radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
@@ -1097,7 +1097,7 @@ static int radeon_pm_init_old(struct radeon_device *rdev)
radeon_pm_init_profile(rdev);
/* set up the default clocks if the MC ucode is loaded */
if ((rdev->family >= CHIP_BARTS) &&
- (rdev->family <= CHIP_HAINAN) &&
+ (rdev->family <= CHIP_CAYMAN) &&
rdev->mc_fw) {
if (rdev->pm.default_vddc)
radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
@@ -1183,7 +1183,7 @@ static int radeon_pm_init_dpm(struct radeon_device *rdev)
if (ret) {
rdev->pm.dpm_enabled = false;
if ((rdev->family >= CHIP_BARTS) &&
- (rdev->family <= CHIP_HAINAN) &&
+ (rdev->family <= CHIP_CAYMAN) &&
rdev->mc_fw) {
if (rdev->pm.default_vddc)
radeon_atom_set_voltage(rdev, rdev->pm.default_vddc,
diff --git a/drivers/gpu/drm/radeon/radeon_ring.c b/drivers/gpu/drm/radeon/radeon_ring.c
index 46a25f037b84..18254e1c3e71 100644
--- a/drivers/gpu/drm/radeon/radeon_ring.c
+++ b/drivers/gpu/drm/radeon/radeon_ring.c
@@ -839,9 +839,11 @@ static int radeon_debugfs_ring_info(struct seq_file *m, void *data)
* packet that is the root issue
*/
i = (ring->rptr + ring->ptr_mask + 1 - 32) & ring->ptr_mask;
- for (j = 0; j <= (count + 32); j++) {
- seq_printf(m, "r[%5d]=0x%08x\n", i, ring->ring[i]);
- i = (i + 1) & ring->ptr_mask;
+ if (ring->ready) {
+ for (j = 0; j <= (count + 32); j++) {
+ seq_printf(m, "r[%5d]=0x%08x\n", i, ring->ring[i]);
+ i = (i + 1) & ring->ptr_mask;
+ }
}
return 0;
}
diff --git a/drivers/gpu/drm/radeon/radeon_uvd.c b/drivers/gpu/drm/radeon/radeon_uvd.c
index 1a01bbff9bfa..a0f11856ddde 100644
--- a/drivers/gpu/drm/radeon/radeon_uvd.c
+++ b/drivers/gpu/drm/radeon/radeon_uvd.c
@@ -476,8 +476,7 @@ static int radeon_uvd_cs_reloc(struct radeon_cs_parser *p,
return -EINVAL;
}
- /* TODO: is this still necessary on NI+ ? */
- if ((cmd == 0 || cmd == 0x3) &&
+ if (p->rdev->family < CHIP_PALM && (cmd == 0 || cmd == 0x3) &&
(start >> 28) != (p->rdev->uvd.gpu_addr >> 28)) {
DRM_ERROR("msg/fb buffer %LX-%LX out of 256MB segment!\n",
start, end);
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index cfe5d4d28915..9ace28702c76 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2910,6 +2910,7 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
bool disable_sclk_switching = false;
u32 mclk, sclk;
u16 vddc, vddci;
+ u32 max_sclk_vddc, max_mclk_vddci, max_mclk_vddc;
int i;
if ((rdev->pm.dpm.new_active_crtc_count > 1) ||
@@ -2943,6 +2944,29 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
}
}
+ /* limit clocks to max supported clocks based on voltage dependency tables */
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_sclk,
+ &max_sclk_vddc);
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddci_dependency_on_mclk,
+ &max_mclk_vddci);
+ btc_get_max_clock_from_voltage_dependency_table(&rdev->pm.dpm.dyn_state.vddc_dependency_on_mclk,
+ &max_mclk_vddc);
+
+ for (i = 0; i < ps->performance_level_count; i++) {
+ if (max_sclk_vddc) {
+ if (ps->performance_levels[i].sclk > max_sclk_vddc)
+ ps->performance_levels[i].sclk = max_sclk_vddc;
+ }
+ if (max_mclk_vddci) {
+ if (ps->performance_levels[i].mclk > max_mclk_vddci)
+ ps->performance_levels[i].mclk = max_mclk_vddci;
+ }
+ if (max_mclk_vddc) {
+ if (ps->performance_levels[i].mclk > max_mclk_vddc)
+ ps->performance_levels[i].mclk = max_mclk_vddc;
+ }
+ }
+
/* XXX validate the min clocks required for display */
if (disable_mclk_switching) {
diff --git a/drivers/gpu/drm/radeon/uvd_v1_0.c b/drivers/gpu/drm/radeon/uvd_v1_0.c
index 7266805d9786..3100fa9cb52f 100644
--- a/drivers/gpu/drm/radeon/uvd_v1_0.c
+++ b/drivers/gpu/drm/radeon/uvd_v1_0.c
@@ -212,8 +212,8 @@ int uvd_v1_0_start(struct radeon_device *rdev)
/* enable VCPU clock */
WREG32(UVD_VCPU_CNTL, 1 << 9);
- /* enable UMC */
- WREG32_P(UVD_LMI_CTRL2, 0, ~(1 << 8));
+ /* enable UMC and NC0 */
+ WREG32_P(UVD_LMI_CTRL2, 1 << 13, ~((1 << 8) | (1 << 13)));
/* boot up the VCPU */
WREG32(UVD_SOFT_RESET, 0);
diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c
index 8f4743ab5fb2..936093e0271e 100644
--- a/drivers/hv/connection.c
+++ b/drivers/hv/connection.c
@@ -195,7 +195,7 @@ int vmbus_connect(void)
do {
ret = vmbus_negotiate_version(msginfo, version);
- if (ret)
+ if (ret == -ETIMEDOUT)
goto cleanup;
if (vmbus_connection.conn_state == CONNECTED)
diff --git a/drivers/hv/hv_kvp.c b/drivers/hv/hv_kvp.c
index 28b03325b872..09988b289622 100644
--- a/drivers/hv/hv_kvp.c
+++ b/drivers/hv/hv_kvp.c
@@ -32,13 +32,17 @@
/*
* Pre win8 version numbers used in ws2008 and ws 2008 r2 (win7)
*/
+#define WS2008_SRV_MAJOR 1
+#define WS2008_SRV_MINOR 0
+#define WS2008_SRV_VERSION (WS2008_SRV_MAJOR << 16 | WS2008_SRV_MINOR)
+
#define WIN7_SRV_MAJOR 3
#define WIN7_SRV_MINOR 0
-#define WIN7_SRV_MAJOR_MINOR (WIN7_SRV_MAJOR << 16 | WIN7_SRV_MINOR)
+#define WIN7_SRV_VERSION (WIN7_SRV_MAJOR << 16 | WIN7_SRV_MINOR)
#define WIN8_SRV_MAJOR 4
#define WIN8_SRV_MINOR 0
-#define WIN8_SRV_MAJOR_MINOR (WIN8_SRV_MAJOR << 16 | WIN8_SRV_MINOR)
+#define WIN8_SRV_VERSION (WIN8_SRV_MAJOR << 16 | WIN8_SRV_MINOR)
/*
* Global state maintained for transaction that is being processed.
@@ -587,6 +591,8 @@ void hv_kvp_onchannelcallback(void *context)
struct icmsg_hdr *icmsghdrp;
struct icmsg_negotiate *negop = NULL;
+ int util_fw_version;
+ int kvp_srv_version;
if (kvp_transaction.active) {
/*
@@ -606,17 +612,26 @@ void hv_kvp_onchannelcallback(void *context)
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
/*
- * We start with win8 version and if the host cannot
- * support that we use the previous version.
+ * Based on the host, select appropriate
+ * framework and service versions we will
+ * negotiate.
*/
- if (vmbus_prep_negotiate_resp(icmsghdrp, negop,
- recv_buffer, UTIL_FW_MAJOR_MINOR,
- WIN8_SRV_MAJOR_MINOR))
- goto done;
-
+ switch (vmbus_proto_version) {
+ case (VERSION_WS2008):
+ util_fw_version = UTIL_WS2K8_FW_VERSION;
+ kvp_srv_version = WS2008_SRV_VERSION;
+ break;
+ case (VERSION_WIN7):
+ util_fw_version = UTIL_FW_VERSION;
+ kvp_srv_version = WIN7_SRV_VERSION;
+ break;
+ default:
+ util_fw_version = UTIL_FW_VERSION;
+ kvp_srv_version = WIN8_SRV_VERSION;
+ }
vmbus_prep_negotiate_resp(icmsghdrp, negop,
- recv_buffer, UTIL_FW_MAJOR_MINOR,
- WIN7_SRV_MAJOR_MINOR);
+ recv_buffer, util_fw_version,
+ kvp_srv_version);
} else {
kvp_msg = (struct hv_kvp_msg *)&recv_buffer[
@@ -649,7 +664,6 @@ void hv_kvp_onchannelcallback(void *context)
return;
}
-done:
icmsghdrp->icflags = ICMSGHDRFLAG_TRANSACTION
| ICMSGHDRFLAG_RESPONSE;
diff --git a/drivers/hv/hv_snapshot.c b/drivers/hv/hv_snapshot.c
index e4572f3f2834..0c3546224376 100644
--- a/drivers/hv/hv_snapshot.c
+++ b/drivers/hv/hv_snapshot.c
@@ -26,7 +26,7 @@
#define VSS_MAJOR 5
#define VSS_MINOR 0
-#define VSS_MAJOR_MINOR (VSS_MAJOR << 16 | VSS_MINOR)
+#define VSS_VERSION (VSS_MAJOR << 16 | VSS_MINOR)
@@ -190,8 +190,8 @@ void hv_vss_onchannelcallback(void *context)
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
vmbus_prep_negotiate_resp(icmsghdrp, negop,
- recv_buffer, UTIL_FW_MAJOR_MINOR,
- VSS_MAJOR_MINOR);
+ recv_buffer, UTIL_FW_VERSION,
+ VSS_VERSION);
} else {
vss_msg = (struct hv_vss_msg *)&recv_buffer[
sizeof(struct vmbuspipe_hdr) +
diff --git a/drivers/hv/hv_util.c b/drivers/hv/hv_util.c
index cb82233541b1..273e3ddb3a20 100644
--- a/drivers/hv/hv_util.c
+++ b/drivers/hv/hv_util.c
@@ -28,17 +28,32 @@
#include <linux/reboot.h>
#include <linux/hyperv.h>
-#define SHUTDOWN_MAJOR 3
-#define SHUTDOWN_MINOR 0
-#define SHUTDOWN_MAJOR_MINOR (SHUTDOWN_MAJOR << 16 | SHUTDOWN_MINOR)
-#define TIMESYNCH_MAJOR 3
-#define TIMESYNCH_MINOR 0
-#define TIMESYNCH_MAJOR_MINOR (TIMESYNCH_MAJOR << 16 | TIMESYNCH_MINOR)
+#define SD_MAJOR 3
+#define SD_MINOR 0
+#define SD_VERSION (SD_MAJOR << 16 | SD_MINOR)
-#define HEARTBEAT_MAJOR 3
-#define HEARTBEAT_MINOR 0
-#define HEARTBEAT_MAJOR_MINOR (HEARTBEAT_MAJOR << 16 | HEARTBEAT_MINOR)
+#define SD_WS2008_MAJOR 1
+#define SD_WS2008_VERSION (SD_WS2008_MAJOR << 16 | SD_MINOR)
+
+#define TS_MAJOR 3
+#define TS_MINOR 0
+#define TS_VERSION (TS_MAJOR << 16 | TS_MINOR)
+
+#define TS_WS2008_MAJOR 1
+#define TS_WS2008_VERSION (TS_WS2008_MAJOR << 16 | TS_MINOR)
+
+#define HB_MAJOR 3
+#define HB_MINOR 0
+#define HB_VERSION (HB_MAJOR << 16 | HB_MINOR)
+
+#define HB_WS2008_MAJOR 1
+#define HB_WS2008_VERSION (HB_WS2008_MAJOR << 16 | HB_MINOR)
+
+static int sd_srv_version;
+static int ts_srv_version;
+static int hb_srv_version;
+static int util_fw_version;
static void shutdown_onchannelcallback(void *context);
static struct hv_util_service util_shutdown = {
@@ -99,8 +114,8 @@ static void shutdown_onchannelcallback(void *context)
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
vmbus_prep_negotiate_resp(icmsghdrp, negop,
- shut_txf_buf, UTIL_FW_MAJOR_MINOR,
- SHUTDOWN_MAJOR_MINOR);
+ shut_txf_buf, util_fw_version,
+ sd_srv_version);
} else {
shutdown_msg =
(struct shutdown_msg_data *)&shut_txf_buf[
@@ -216,6 +231,7 @@ static void timesync_onchannelcallback(void *context)
struct icmsg_hdr *icmsghdrp;
struct ictimesync_data *timedatap;
u8 *time_txf_buf = util_timesynch.recv_buffer;
+ struct icmsg_negotiate *negop = NULL;
vmbus_recvpacket(channel, time_txf_buf,
PAGE_SIZE, &recvlen, &requestid);
@@ -225,9 +241,10 @@ static void timesync_onchannelcallback(void *context)
sizeof(struct vmbuspipe_hdr)];
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
- vmbus_prep_negotiate_resp(icmsghdrp, NULL, time_txf_buf,
- UTIL_FW_MAJOR_MINOR,
- TIMESYNCH_MAJOR_MINOR);
+ vmbus_prep_negotiate_resp(icmsghdrp, negop,
+ time_txf_buf,
+ util_fw_version,
+ ts_srv_version);
} else {
timedatap = (struct ictimesync_data *)&time_txf_buf[
sizeof(struct vmbuspipe_hdr) +
@@ -257,6 +274,7 @@ static void heartbeat_onchannelcallback(void *context)
struct icmsg_hdr *icmsghdrp;
struct heartbeat_msg_data *heartbeat_msg;
u8 *hbeat_txf_buf = util_heartbeat.recv_buffer;
+ struct icmsg_negotiate *negop = NULL;
vmbus_recvpacket(channel, hbeat_txf_buf,
PAGE_SIZE, &recvlen, &requestid);
@@ -266,9 +284,9 @@ static void heartbeat_onchannelcallback(void *context)
sizeof(struct vmbuspipe_hdr)];
if (icmsghdrp->icmsgtype == ICMSGTYPE_NEGOTIATE) {
- vmbus_prep_negotiate_resp(icmsghdrp, NULL,
- hbeat_txf_buf, UTIL_FW_MAJOR_MINOR,
- HEARTBEAT_MAJOR_MINOR);
+ vmbus_prep_negotiate_resp(icmsghdrp, negop,
+ hbeat_txf_buf, util_fw_version,
+ hb_srv_version);
} else {
heartbeat_msg =
(struct heartbeat_msg_data *)&hbeat_txf_buf[
@@ -321,6 +339,25 @@ static int util_probe(struct hv_device *dev,
goto error;
hv_set_drvdata(dev, srv);
+ /*
+ * Based on the host; initialize the framework and
+ * service version numbers we will negotiate.
+ */
+ switch (vmbus_proto_version) {
+ case (VERSION_WS2008):
+ util_fw_version = UTIL_WS2K8_FW_VERSION;
+ sd_srv_version = SD_WS2008_VERSION;
+ ts_srv_version = TS_WS2008_VERSION;
+ hb_srv_version = HB_WS2008_VERSION;
+ break;
+
+ default:
+ util_fw_version = UTIL_FW_VERSION;
+ sd_srv_version = SD_VERSION;
+ ts_srv_version = TS_VERSION;
+ hb_srv_version = HB_VERSION;
+ }
+
return 0;
error:
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 62c2e32e25ef..98814d12a604 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -525,16 +525,25 @@ static int applesmc_init_smcreg_try(void)
{
struct applesmc_registers *s = &smcreg;
bool left_light_sensor, right_light_sensor;
+ unsigned int count;
u8 tmp[1];
int ret;
if (s->init_complete)
return 0;
- ret = read_register_count(&s->key_count);
+ ret = read_register_count(&count);
if (ret)
return ret;
+ if (s->cache && s->key_count != count) {
+ pr_warn("key count changed from %d to %d\n",
+ s->key_count, count);
+ kfree(s->cache);
+ s->cache = NULL;
+ }
+ s->key_count = count;
+
if (!s->cache)
s->cache = kcalloc(s->key_count, sizeof(*s->cache), GFP_KERNEL);
if (!s->cache)
diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c
index dbecf08399f8..5888feef1ac5 100644
--- a/drivers/i2c/busses/i2c-designware-core.c
+++ b/drivers/i2c/busses/i2c-designware-core.c
@@ -98,6 +98,8 @@
#define DW_IC_ERR_TX_ABRT 0x1
+#define DW_IC_TAR_10BITADDR_MASTER BIT(12)
+
/*
* status codes
*/
@@ -388,22 +390,34 @@ static int i2c_dw_wait_bus_not_busy(struct dw_i2c_dev *dev)
static void i2c_dw_xfer_init(struct dw_i2c_dev *dev)
{
struct i2c_msg *msgs = dev->msgs;
- u32 ic_con;
+ u32 ic_con, ic_tar = 0;
/* Disable the adapter */
__i2c_dw_enable(dev, false);
- /* set the slave (target) address */
- dw_writel(dev, msgs[dev->msg_write_idx].addr, DW_IC_TAR);
-
/* if the slave address is ten bit address, enable 10BITADDR */
ic_con = dw_readl(dev, DW_IC_CON);
- if (msgs[dev->msg_write_idx].flags & I2C_M_TEN)
+ if (msgs[dev->msg_write_idx].flags & I2C_M_TEN) {
ic_con |= DW_IC_CON_10BITADDR_MASTER;
- else
+ /*
+ * If I2C_DYNAMIC_TAR_UPDATE is set, the 10-bit addressing
+ * mode has to be enabled via bit 12 of IC_TAR register.
+ * We set it always as I2C_DYNAMIC_TAR_UPDATE can't be
+ * detected from registers.
+ */
+ ic_tar = DW_IC_TAR_10BITADDR_MASTER;
+ } else {
ic_con &= ~DW_IC_CON_10BITADDR_MASTER;
+ }
+
dw_writel(dev, ic_con, DW_IC_CON);
+ /*
+ * Set the slave (target) address and enable 10-bit addressing mode
+ * if applicable.
+ */
+ dw_writel(dev, msgs[dev->msg_write_idx].addr | ic_tar, DW_IC_TAR);
+
/* Enable the adapter */
__i2c_dw_enable(dev, true);
diff --git a/drivers/i2c/busses/i2c-ismt.c b/drivers/i2c/busses/i2c-ismt.c
index 8ed79a086f85..1672effbcebb 100644
--- a/drivers/i2c/busses/i2c-ismt.c
+++ b/drivers/i2c/busses/i2c-ismt.c
@@ -393,6 +393,9 @@ static int ismt_access(struct i2c_adapter *adap, u16 addr,
desc = &priv->hw[priv->head];
+ /* Initialize the DMA buffer */
+ memset(priv->dma_buffer, 0, sizeof(priv->dma_buffer));
+
/* Initialize the descriptor */
memset(desc, 0, sizeof(struct ismt_desc));
desc->tgtaddr_rw = ISMT_DESC_ADDR_RW(addr, read_write);
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index 7f3a47443494..d3e9cc3153a9 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -234,9 +234,9 @@ static int mv64xxx_i2c_offload_msg(struct mv64xxx_i2c_data *drv_data)
ctrl_reg |= MV64XXX_I2C_BRIDGE_CONTROL_WR |
(msg->len - 1) << MV64XXX_I2C_BRIDGE_CONTROL_TX_SIZE_SHIFT;
- writel_relaxed(data_reg_lo,
+ writel(data_reg_lo,
drv_data->reg_base + MV64XXX_I2C_REG_TX_DATA_LO);
- writel_relaxed(data_reg_hi,
+ writel(data_reg_hi,
drv_data->reg_base + MV64XXX_I2C_REG_TX_DATA_HI);
} else {
@@ -697,6 +697,7 @@ static const struct of_device_id mv64xxx_i2c_of_match_table[] = {
MODULE_DEVICE_TABLE(of, mv64xxx_i2c_of_match_table);
#ifdef CONFIG_OF
+#ifdef CONFIG_HAVE_CLK
static int
mv64xxx_calc_freq(const int tclk, const int n, const int m)
{
@@ -726,16 +727,12 @@ mv64xxx_find_baud_factors(const u32 req_freq, const u32 tclk, u32 *best_n,
return false;
return true;
}
+#endif /* CONFIG_HAVE_CLK */
static int
mv64xxx_of_config(struct mv64xxx_i2c_data *drv_data,
struct device *dev)
{
- const struct of_device_id *device;
- struct device_node *np = dev->of_node;
- u32 bus_freq, tclk;
- int rc = 0;
-
/* CLK is mandatory when using DT to describe the i2c bus. We
* need to know tclk in order to calculate bus clock
* factors.
@@ -744,6 +741,11 @@ mv64xxx_of_config(struct mv64xxx_i2c_data *drv_data,
/* Have OF but no CLK */
return -ENODEV;
#else
+ const struct of_device_id *device;
+ struct device_node *np = dev->of_node;
+ u32 bus_freq, tclk;
+ int rc = 0;
+
if (IS_ERR(drv_data->clk)) {
rc = -ENODEV;
goto out;
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 3535f3c0f7b4..3747b9bf67d6 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1178,8 +1178,6 @@ static int s3c24xx_i2c_remove(struct platform_device *pdev)
i2c_del_adapter(&i2c->adap);
- clk_disable_unprepare(i2c->clk);
-
if (pdev->dev.of_node && IS_ERR(i2c->pctrl))
s3c24xx_i2c_dt_gpio_free(i2c);
diff --git a/drivers/md/bcache/bcache.h b/drivers/md/bcache/bcache.h
index b39f6f0b45f2..0f12382aa35d 100644
--- a/drivers/md/bcache/bcache.h
+++ b/drivers/md/bcache/bcache.h
@@ -498,7 +498,7 @@ struct cached_dev {
*/
atomic_t has_dirty;
- struct ratelimit writeback_rate;
+ struct bch_ratelimit writeback_rate;
struct delayed_work writeback_rate_update;
/*
@@ -507,10 +507,9 @@ struct cached_dev {
*/
sector_t last_read;
- /* Number of writeback bios in flight */
- atomic_t in_flight;
+ /* Limit number of writeback bios in flight */
+ struct semaphore in_flight;
struct closure_with_timer writeback;
- struct closure_waitlist writeback_wait;
struct keybuf writeback_keys;
diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c
index 8010eed06a51..22d1ae72c282 100644
--- a/drivers/md/bcache/bset.c
+++ b/drivers/md/bcache/bset.c
@@ -926,28 +926,45 @@ struct bkey *bch_next_recurse_key(struct btree *b, struct bkey *search)
/* Mergesort */
+static void sort_key_next(struct btree_iter *iter,
+ struct btree_iter_set *i)
+{
+ i->k = bkey_next(i->k);
+
+ if (i->k == i->end)
+ *i = iter->data[--iter->used];
+}
+
static void btree_sort_fixup(struct btree_iter *iter)
{
while (iter->used > 1) {
struct btree_iter_set *top = iter->data, *i = top + 1;
- struct bkey *k;
if (iter->used > 2 &&
btree_iter_cmp(i[0], i[1]))
i++;
- for (k = i->k;
- k != i->end && bkey_cmp(top->k, &START_KEY(k)) > 0;
- k = bkey_next(k))
- if (top->k > i->k)
- __bch_cut_front(top->k, k);
- else if (KEY_SIZE(k))
- bch_cut_back(&START_KEY(k), top->k);
-
- if (top->k < i->k || k == i->k)
+ if (bkey_cmp(top->k, &START_KEY(i->k)) <= 0)
break;
- heap_sift(iter, i - top, btree_iter_cmp);
+ if (!KEY_SIZE(i->k)) {
+ sort_key_next(iter, i);
+ heap_sift(iter, i - top, btree_iter_cmp);
+ continue;
+ }
+
+ if (top->k > i->k) {
+ if (bkey_cmp(top->k, i->k) >= 0)
+ sort_key_next(iter, i);
+ else
+ bch_cut_front(top->k, i->k);
+
+ heap_sift(iter, i - top, btree_iter_cmp);
+ } else {
+ /* can't happen because of comparison func */
+ BUG_ON(!bkey_cmp(&START_KEY(top->k), &START_KEY(i->k)));
+ bch_cut_back(&START_KEY(i->k), top->k);
+ }
}
}
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index f9764e61978b..f42fc7ed9cd6 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -255,7 +255,7 @@ void bch_btree_node_read(struct btree *b)
return;
err:
- bch_cache_set_error(b->c, "io error reading bucket %lu",
+ bch_cache_set_error(b->c, "io error reading bucket %zu",
PTR_BUCKET_NR(b->c, &b->key, 0));
}
@@ -612,7 +612,7 @@ static unsigned long bch_mca_scan(struct shrinker *shrink,
return SHRINK_STOP;
/* Return -1 if we can't do anything right now */
- if (sc->gfp_mask & __GFP_WAIT)
+ if (sc->gfp_mask & __GFP_IO)
mutex_lock(&c->bucket_lock);
else if (!mutex_trylock(&c->bucket_lock))
return -1;
diff --git a/drivers/md/bcache/journal.c b/drivers/md/bcache/journal.c
index ba95ab84b2be..8435f81e5d85 100644
--- a/drivers/md/bcache/journal.c
+++ b/drivers/md/bcache/journal.c
@@ -153,7 +153,8 @@ int bch_journal_read(struct cache_set *c, struct list_head *list,
bitmap_zero(bitmap, SB_JOURNAL_BUCKETS);
pr_debug("%u journal buckets", ca->sb.njournal_buckets);
- /* Read journal buckets ordered by golden ratio hash to quickly
+ /*
+ * Read journal buckets ordered by golden ratio hash to quickly
* find a sequence of buckets with valid journal entries
*/
for (i = 0; i < ca->sb.njournal_buckets; i++) {
@@ -166,18 +167,20 @@ int bch_journal_read(struct cache_set *c, struct list_head *list,
goto bsearch;
}
- /* If that fails, check all the buckets we haven't checked
+ /*
+ * If that fails, check all the buckets we haven't checked
* already
*/
pr_debug("falling back to linear search");
- for (l = 0; l < ca->sb.njournal_buckets; l++) {
- if (test_bit(l, bitmap))
- continue;
-
+ for (l = find_first_zero_bit(bitmap, ca->sb.njournal_buckets);
+ l < ca->sb.njournal_buckets;
+ l = find_next_zero_bit(bitmap, ca->sb.njournal_buckets, l + 1))
if (read_bucket(l))
goto bsearch;
- }
+
+ if (list_empty(list))
+ continue;
bsearch:
/* Binary search */
m = r = find_next_bit(bitmap, ca->sb.njournal_buckets, l + 1);
@@ -197,10 +200,12 @@ bsearch:
r = m;
}
- /* Read buckets in reverse order until we stop finding more
+ /*
+ * Read buckets in reverse order until we stop finding more
* journal entries
*/
- pr_debug("finishing up");
+ pr_debug("finishing up: m %u njournal_buckets %u",
+ m, ca->sb.njournal_buckets);
l = m;
while (1) {
@@ -228,9 +233,10 @@ bsearch:
}
}
- c->journal.seq = list_entry(list->prev,
- struct journal_replay,
- list)->j.seq;
+ if (!list_empty(list))
+ c->journal.seq = list_entry(list->prev,
+ struct journal_replay,
+ list)->j.seq;
return 0;
#undef read_bucket
@@ -428,7 +434,7 @@ static void do_journal_discard(struct cache *ca)
return;
}
- switch (atomic_read(&ja->discard_in_flight) == DISCARD_IN_FLIGHT) {
+ switch (atomic_read(&ja->discard_in_flight)) {
case DISCARD_IN_FLIGHT:
return;
@@ -689,6 +695,7 @@ void bch_journal_meta(struct cache_set *c, struct closure *cl)
if (cl)
BUG_ON(!closure_wait(&w->wait, cl));
+ closure_flush(&c->journal.io);
__journal_try_write(c, true);
}
}
diff --git a/drivers/md/bcache/request.c b/drivers/md/bcache/request.c
index 786a1a4f74d8..71eb233b9ace 100644
--- a/drivers/md/bcache/request.c
+++ b/drivers/md/bcache/request.c
@@ -997,14 +997,17 @@ static void request_write(struct cached_dev *dc, struct search *s)
} else {
bch_writeback_add(dc);
- if (s->op.flush_journal) {
+ if (bio->bi_rw & REQ_FLUSH) {
/* Also need to send a flush to the backing device */
- s->op.cache_bio = bio_clone_bioset(bio, GFP_NOIO,
- dc->disk.bio_split);
+ struct bio *flush = bio_alloc_bioset(0, GFP_NOIO,
+ dc->disk.bio_split);
- bio->bi_size = 0;
- bio->bi_vcnt = 0;
- closure_bio_submit(bio, cl, s->d);
+ flush->bi_rw = WRITE_FLUSH;
+ flush->bi_bdev = bio->bi_bdev;
+ flush->bi_end_io = request_endio;
+ flush->bi_private = cl;
+
+ closure_bio_submit(flush, cl, s->d);
} else {
s->op.cache_bio = bio;
}
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 4fe6ab2fbe2e..924dcfdae111 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -223,8 +223,13 @@ STORE(__cached_dev)
}
if (attr == &sysfs_label) {
- /* note: endlines are preserved */
- memcpy(dc->sb.label, buf, SB_LABEL_SIZE);
+ if (size > SB_LABEL_SIZE)
+ return -EINVAL;
+ memcpy(dc->sb.label, buf, size);
+ if (size < SB_LABEL_SIZE)
+ dc->sb.label[size] = '\0';
+ if (size && dc->sb.label[size - 1] == '\n')
+ dc->sb.label[size - 1] = '\0';
bch_write_bdev_super(dc, NULL);
if (dc->disk.c) {
memcpy(dc->disk.c->uuids[dc->disk.id].label,
diff --git a/drivers/md/bcache/util.c b/drivers/md/bcache/util.c
index 98eb81159a22..420dad545c7d 100644
--- a/drivers/md/bcache/util.c
+++ b/drivers/md/bcache/util.c
@@ -190,7 +190,16 @@ void bch_time_stats_update(struct time_stats *stats, uint64_t start_time)
stats->last = now ?: 1;
}
-unsigned bch_next_delay(struct ratelimit *d, uint64_t done)
+/**
+ * bch_next_delay() - increment @d by the amount of work done, and return how
+ * long to delay until the next time to do some work.
+ *
+ * @d - the struct bch_ratelimit to update
+ * @done - the amount of work done, in arbitrary units
+ *
+ * Returns the amount of time to delay by, in jiffies
+ */
+uint64_t bch_next_delay(struct bch_ratelimit *d, uint64_t done)
{
uint64_t now = local_clock();
diff --git a/drivers/md/bcache/util.h b/drivers/md/bcache/util.h
index 1ae2a73ad85f..ea345c6896f4 100644
--- a/drivers/md/bcache/util.h
+++ b/drivers/md/bcache/util.h
@@ -450,17 +450,23 @@ read_attribute(name ## _last_ ## frequency_units)
(ewma) >> factor; \
})
-struct ratelimit {
+struct bch_ratelimit {
+ /* Next time we want to do some work, in nanoseconds */
uint64_t next;
+
+ /*
+ * Rate at which we want to do work, in units per nanosecond
+ * The units here correspond to the units passed to bch_next_delay()
+ */
unsigned rate;
};
-static inline void ratelimit_reset(struct ratelimit *d)
+static inline void bch_ratelimit_reset(struct bch_ratelimit *d)
{
d->next = local_clock();
}
-unsigned bch_next_delay(struct ratelimit *d, uint64_t done);
+uint64_t bch_next_delay(struct bch_ratelimit *d, uint64_t done);
#define __DIV_SAFE(n, d, zero) \
({ \
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 22cbff551628..ba3ee48320f2 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -94,11 +94,15 @@ static void update_writeback_rate(struct work_struct *work)
static unsigned writeback_delay(struct cached_dev *dc, unsigned sectors)
{
+ uint64_t ret;
+
if (atomic_read(&dc->disk.detaching) ||
!dc->writeback_percent)
return 0;
- return bch_next_delay(&dc->writeback_rate, sectors * 10000000ULL);
+ ret = bch_next_delay(&dc->writeback_rate, sectors * 10000000ULL);
+
+ return min_t(uint64_t, ret, HZ);
}
/* Background writeback */
@@ -208,7 +212,7 @@ normal_refill:
up_write(&dc->writeback_lock);
- ratelimit_reset(&dc->writeback_rate);
+ bch_ratelimit_reset(&dc->writeback_rate);
/* Punt to workqueue only so we don't recurse and blow the stack */
continue_at(cl, read_dirty, dirty_wq);
@@ -318,9 +322,7 @@ static void write_dirty_finish(struct closure *cl)
}
bch_keybuf_del(&dc->writeback_keys, w);
- atomic_dec_bug(&dc->in_flight);
-
- closure_wake_up(&dc->writeback_wait);
+ up(&dc->in_flight);
closure_return_with_destructor(cl, dirty_io_destructor);
}
@@ -349,7 +351,7 @@ static void write_dirty(struct closure *cl)
closure_bio_submit(&io->bio, cl, &io->dc->disk);
- continue_at(cl, write_dirty_finish, dirty_wq);
+ continue_at(cl, write_dirty_finish, system_wq);
}
static void read_dirty_endio(struct bio *bio, int error)
@@ -369,7 +371,7 @@ static void read_dirty_submit(struct closure *cl)
closure_bio_submit(&io->bio, cl, &io->dc->disk);
- continue_at(cl, write_dirty, dirty_wq);
+ continue_at(cl, write_dirty, system_wq);
}
static void read_dirty(struct closure *cl)
@@ -394,12 +396,8 @@ static void read_dirty(struct closure *cl)
if (delay > 0 &&
(KEY_START(&w->key) != dc->last_read ||
- jiffies_to_msecs(delay) > 50)) {
- w->private = NULL;
-
- closure_delay(&dc->writeback, delay);
- continue_at(cl, read_dirty, dirty_wq);
- }
+ jiffies_to_msecs(delay) > 50))
+ delay = schedule_timeout_uninterruptible(delay);
dc->last_read = KEY_OFFSET(&w->key);
@@ -424,15 +422,10 @@ static void read_dirty(struct closure *cl)
trace_bcache_writeback(&w->key);
- closure_call(&io->cl, read_dirty_submit, NULL, &dc->disk.cl);
+ down(&dc->in_flight);
+ closure_call(&io->cl, read_dirty_submit, NULL, cl);
delay = writeback_delay(dc, KEY_SIZE(&w->key));
-
- atomic_inc(&dc->in_flight);
-
- if (!closure_wait_event(&dc->writeback_wait, cl,
- atomic_read(&dc->in_flight) < 64))
- continue_at(cl, read_dirty, dirty_wq);
}
if (0) {
@@ -442,7 +435,11 @@ err:
bch_keybuf_del(&dc->writeback_keys, w);
}
- refill_dirty(cl);
+ /*
+ * Wait for outstanding writeback IOs to finish (and keybuf slots to be
+ * freed) before refilling again
+ */
+ continue_at(cl, refill_dirty, dirty_wq);
}
/* Init */
@@ -484,6 +481,7 @@ void bch_sectors_dirty_init(struct cached_dev *dc)
void bch_cached_dev_writeback_init(struct cached_dev *dc)
{
+ sema_init(&dc->in_flight, 64);
closure_init_unlocked(&dc->writeback);
init_rwsem(&dc->writeback_lock);
@@ -513,7 +511,7 @@ void bch_writeback_exit(void)
int __init bch_writeback_init(void)
{
- dirty_wq = create_singlethread_workqueue("bcache_writeback");
+ dirty_wq = create_workqueue("bcache_writeback");
if (!dirty_wq)
return -ENOMEM;
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index ea49834377c8..2a20986a2fec 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -19,8 +19,6 @@
#define DM_MSG_PREFIX "io"
#define DM_IO_MAX_REGIONS BITS_PER_LONG
-#define MIN_IOS 16
-#define MIN_BIOS 16
struct dm_io_client {
mempool_t *pool;
@@ -50,16 +48,17 @@ static struct kmem_cache *_dm_io_cache;
struct dm_io_client *dm_io_client_create(void)
{
struct dm_io_client *client;
+ unsigned min_ios = dm_get_reserved_bio_based_ios();
client = kmalloc(sizeof(*client), GFP_KERNEL);
if (!client)
return ERR_PTR(-ENOMEM);
- client->pool = mempool_create_slab_pool(MIN_IOS, _dm_io_cache);
+ client->pool = mempool_create_slab_pool(min_ios, _dm_io_cache);
if (!client->pool)
goto bad;
- client->bios = bioset_create(MIN_BIOS, 0);
+ client->bios = bioset_create(min_ios, 0);
if (!client->bios)
goto bad;
diff --git a/drivers/md/dm-mpath.c b/drivers/md/dm-mpath.c
index b759a127f9c3..de570a558764 100644
--- a/drivers/md/dm-mpath.c
+++ b/drivers/md/dm-mpath.c
@@ -7,6 +7,7 @@
#include <linux/device-mapper.h>
+#include "dm.h"
#include "dm-path-selector.h"
#include "dm-uevent.h"
@@ -116,8 +117,6 @@ struct dm_mpath_io {
typedef int (*action_fn) (struct pgpath *pgpath);
-#define MIN_IOS 256 /* Mempool size */
-
static struct kmem_cache *_mpio_cache;
static struct workqueue_struct *kmultipathd, *kmpath_handlerd;
@@ -190,6 +189,7 @@ static void free_priority_group(struct priority_group *pg,
static struct multipath *alloc_multipath(struct dm_target *ti)
{
struct multipath *m;
+ unsigned min_ios = dm_get_reserved_rq_based_ios();
m = kzalloc(sizeof(*m), GFP_KERNEL);
if (m) {
@@ -202,7 +202,7 @@ static struct multipath *alloc_multipath(struct dm_target *ti)
INIT_WORK(&m->trigger_event, trigger_event);
init_waitqueue_head(&m->pg_init_wait);
mutex_init(&m->work_mutex);
- m->mpio_pool = mempool_create_slab_pool(MIN_IOS, _mpio_cache);
+ m->mpio_pool = mempool_create_slab_pool(min_ios, _mpio_cache);
if (!m->mpio_pool) {
kfree(m);
return NULL;
@@ -1268,6 +1268,7 @@ static int noretry_error(int error)
case -EREMOTEIO:
case -EILSEQ:
case -ENODATA:
+ case -ENOSPC:
return 1;
}
@@ -1298,8 +1299,17 @@ static int do_end_io(struct multipath *m, struct request *clone,
if (!error && !clone->errors)
return 0; /* I/O complete */
- if (noretry_error(error))
+ if (noretry_error(error)) {
+ if ((clone->cmd_flags & REQ_WRITE_SAME) &&
+ !clone->q->limits.max_write_same_sectors) {
+ struct queue_limits *limits;
+
+ /* device doesn't really support WRITE SAME, disable it */
+ limits = dm_get_queue_limits(dm_table_get_md(m->ti->table));
+ limits->max_write_same_sectors = 0;
+ }
return error;
+ }
if (mpio->pgpath)
fail_path(mpio->pgpath);
diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index 3ac415675b6c..4caa8e6d59d7 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -256,7 +256,7 @@ static int chunk_io(struct pstore *ps, void *area, chunk_t chunk, int rw,
*/
INIT_WORK_ONSTACK(&req.work, do_metadata);
queue_work(ps->metadata_wq, &req.work);
- flush_work(&req.work);
+ flush_workqueue(ps->metadata_wq);
return req.result;
}
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c
index c434e5aab2df..aec57d76db5d 100644
--- a/drivers/md/dm-snap.c
+++ b/drivers/md/dm-snap.c
@@ -725,17 +725,16 @@ static int calc_max_buckets(void)
*/
static int init_hash_tables(struct dm_snapshot *s)
{
- sector_t hash_size, cow_dev_size, origin_dev_size, max_buckets;
+ sector_t hash_size, cow_dev_size, max_buckets;
/*
* Calculate based on the size of the original volume or
* the COW volume...
*/
cow_dev_size = get_dev_size(s->cow->bdev);
- origin_dev_size = get_dev_size(s->origin->bdev);
max_buckets = calc_max_buckets();
- hash_size = min(origin_dev_size, cow_dev_size) >> s->store->chunk_shift;
+ hash_size = cow_dev_size >> s->store->chunk_shift;
hash_size = min(hash_size, max_buckets);
if (hash_size < 64)
diff --git a/drivers/md/dm-stats.c b/drivers/md/dm-stats.c
index 8ae31e8d3d64..3d404c1371ed 100644
--- a/drivers/md/dm-stats.c
+++ b/drivers/md/dm-stats.c
@@ -451,19 +451,26 @@ static void dm_stat_for_entry(struct dm_stat *s, size_t entry,
struct dm_stat_percpu *p;
/*
- * For strict correctness we should use local_irq_disable/enable
+ * For strict correctness we should use local_irq_save/restore
* instead of preempt_disable/enable.
*
- * This is racy if the driver finishes bios from non-interrupt
- * context as well as from interrupt context or from more different
- * interrupts.
+ * preempt_disable/enable is racy if the driver finishes bios
+ * from non-interrupt context as well as from interrupt context
+ * or from more different interrupts.
*
- * However, the race only results in not counting some events,
- * so it is acceptable.
+ * On 64-bit architectures the race only results in not counting some
+ * events, so it is acceptable. On 32-bit architectures the race could
+ * cause the counter going off by 2^32, so we need to do proper locking
+ * there.
*
* part_stat_lock()/part_stat_unlock() have this race too.
*/
+#if BITS_PER_LONG == 32
+ unsigned long flags;
+ local_irq_save(flags);
+#else
preempt_disable();
+#endif
p = &s->stat_percpu[smp_processor_id()][entry];
if (!end) {
@@ -478,7 +485,11 @@ static void dm_stat_for_entry(struct dm_stat *s, size_t entry,
p->ticks[idx] += duration;
}
+#if BITS_PER_LONG == 32
+ local_irq_restore(flags);
+#else
preempt_enable();
+#endif
}
static void __dm_stat_bio(struct dm_stat *s, unsigned long bi_rw,
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index ed063427d676..2c0cf511ec23 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -2095,6 +2095,7 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)
* them down to the data device. The thin device's discard
* processing will cause mappings to be removed from the btree.
*/
+ ti->discard_zeroes_data_unsupported = true;
if (pf.discard_enabled && pf.discard_passdown) {
ti->num_discard_bios = 1;
@@ -2104,7 +2105,6 @@ static int pool_ctr(struct dm_target *ti, unsigned argc, char **argv)
* thin devices' discard limits consistent).
*/
ti->discards_supported = true;
- ti->discard_zeroes_data_unsupported = true;
}
ti->private = pt;
@@ -2689,8 +2689,16 @@ static void pool_io_hints(struct dm_target *ti, struct queue_limits *limits)
* They get transferred to the live pool in bind_control_target()
* called from pool_preresume().
*/
- if (!pt->adjusted_pf.discard_enabled)
+ if (!pt->adjusted_pf.discard_enabled) {
+ /*
+ * Must explicitly disallow stacking discard limits otherwise the
+ * block layer will stack them if pool's data device has support.
+ * QUEUE_FLAG_DISCARD wouldn't be set but there is no way for the
+ * user to see that, so make sure to set all discard limits to 0.
+ */
+ limits->discard_granularity = 0;
return;
+ }
disable_passdown_if_not_supported(pt);
@@ -2826,10 +2834,10 @@ static int thin_ctr(struct dm_target *ti, unsigned argc, char **argv)
ti->per_bio_data_size = sizeof(struct dm_thin_endio_hook);
/* In case the pool supports discards, pass them on. */
+ ti->discard_zeroes_data_unsupported = true;
if (tc->pool->pf.discard_enabled) {
ti->discards_supported = true;
ti->num_discard_bios = 1;
- ti->discard_zeroes_data_unsupported = true;
/* Discard bios must be split on a block boundary */
ti->split_discard_bios = true;
}
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 6a5e9ed2fcc3..b3e26c7d1417 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -211,10 +211,55 @@ struct dm_md_mempools {
struct bio_set *bs;
};
-#define MIN_IOS 256
+#define RESERVED_BIO_BASED_IOS 16
+#define RESERVED_REQUEST_BASED_IOS 256
+#define RESERVED_MAX_IOS 1024
static struct kmem_cache *_io_cache;
static struct kmem_cache *_rq_tio_cache;
+/*
+ * Bio-based DM's mempools' reserved IOs set by the user.
+ */
+static unsigned reserved_bio_based_ios = RESERVED_BIO_BASED_IOS;
+
+/*
+ * Request-based DM's mempools' reserved IOs set by the user.
+ */
+static unsigned reserved_rq_based_ios = RESERVED_REQUEST_BASED_IOS;
+
+static unsigned __dm_get_reserved_ios(unsigned *reserved_ios,
+ unsigned def, unsigned max)
+{
+ unsigned ios = ACCESS_ONCE(*reserved_ios);
+ unsigned modified_ios = 0;
+
+ if (!ios)
+ modified_ios = def;
+ else if (ios > max)
+ modified_ios = max;
+
+ if (modified_ios) {
+ (void)cmpxchg(reserved_ios, ios, modified_ios);
+ ios = modified_ios;
+ }
+
+ return ios;
+}
+
+unsigned dm_get_reserved_bio_based_ios(void)
+{
+ return __dm_get_reserved_ios(&reserved_bio_based_ios,
+ RESERVED_BIO_BASED_IOS, RESERVED_MAX_IOS);
+}
+EXPORT_SYMBOL_GPL(dm_get_reserved_bio_based_ios);
+
+unsigned dm_get_reserved_rq_based_ios(void)
+{
+ return __dm_get_reserved_ios(&reserved_rq_based_ios,
+ RESERVED_REQUEST_BASED_IOS, RESERVED_MAX_IOS);
+}
+EXPORT_SYMBOL_GPL(dm_get_reserved_rq_based_ios);
+
static int __init local_init(void)
{
int r = -ENOMEM;
@@ -2278,6 +2323,17 @@ struct target_type *dm_get_immutable_target_type(struct mapped_device *md)
}
/*
+ * The queue_limits are only valid as long as you have a reference
+ * count on 'md'.
+ */
+struct queue_limits *dm_get_queue_limits(struct mapped_device *md)
+{
+ BUG_ON(!atomic_read(&md->holders));
+ return &md->queue->limits;
+}
+EXPORT_SYMBOL_GPL(dm_get_queue_limits);
+
+/*
* Fully initialize a request-based queue (->elevator, ->request_fn, etc).
*/
static int dm_init_request_based_queue(struct mapped_device *md)
@@ -2862,18 +2918,18 @@ struct dm_md_mempools *dm_alloc_md_mempools(unsigned type, unsigned integrity, u
if (type == DM_TYPE_BIO_BASED) {
cachep = _io_cache;
- pool_size = 16;
+ pool_size = dm_get_reserved_bio_based_ios();
front_pad = roundup(per_bio_data_size, __alignof__(struct dm_target_io)) + offsetof(struct dm_target_io, clone);
} else if (type == DM_TYPE_REQUEST_BASED) {
cachep = _rq_tio_cache;
- pool_size = MIN_IOS;
+ pool_size = dm_get_reserved_rq_based_ios();
front_pad = offsetof(struct dm_rq_clone_bio_info, clone);
/* per_bio_data_size is not used. See __bind_mempools(). */
WARN_ON(per_bio_data_size != 0);
} else
goto out;
- pools->io_pool = mempool_create_slab_pool(MIN_IOS, cachep);
+ pools->io_pool = mempool_create_slab_pool(pool_size, cachep);
if (!pools->io_pool)
goto out;
@@ -2924,6 +2980,13 @@ module_exit(dm_exit);
module_param(major, uint, 0);
MODULE_PARM_DESC(major, "The major number of the device mapper");
+
+module_param(reserved_bio_based_ios, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(reserved_bio_based_ios, "Reserved IOs in bio-based mempools");
+
+module_param(reserved_rq_based_ios, uint, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(reserved_rq_based_ios, "Reserved IOs in request-based mempools");
+
MODULE_DESCRIPTION(DM_NAME " driver");
MODULE_AUTHOR("Joe Thornber <dm-devel@redhat.com>");
MODULE_LICENSE("GPL");
diff --git a/drivers/md/dm.h b/drivers/md/dm.h
index 5e604cc7b4aa..1d1ad7b7e527 100644
--- a/drivers/md/dm.h
+++ b/drivers/md/dm.h
@@ -184,6 +184,9 @@ void dm_free_md_mempools(struct dm_md_mempools *pools);
/*
* Helpers that are used by DM core
*/
+unsigned dm_get_reserved_bio_based_ios(void);
+unsigned dm_get_reserved_rq_based_ios(void);
+
static inline bool dm_message_test_buffer_overflow(char *result, unsigned maxlen)
{
return !maxlen || strlen(result) + 1 >= maxlen;
diff --git a/drivers/misc/mei/amthif.c b/drivers/misc/mei/amthif.c
index d0fdc134068a..f6ff711aa5bb 100644
--- a/drivers/misc/mei/amthif.c
+++ b/drivers/misc/mei/amthif.c
@@ -57,6 +57,7 @@ void mei_amthif_reset_params(struct mei_device *dev)
dev->iamthif_ioctl = false;
dev->iamthif_state = MEI_IAMTHIF_IDLE;
dev->iamthif_timer = 0;
+ dev->iamthif_stall_timer = 0;
}
/**
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c
index 6d0282c08a06..cd2033cd7120 100644
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -297,10 +297,13 @@ int __mei_cl_recv(struct mei_cl *cl, u8 *buf, size_t length)
if (cl->reading_state != MEI_READ_COMPLETE &&
!waitqueue_active(&cl->rx_wait)) {
+
mutex_unlock(&dev->device_lock);
if (wait_event_interruptible(cl->rx_wait,
- (MEI_READ_COMPLETE == cl->reading_state))) {
+ cl->reading_state == MEI_READ_COMPLETE ||
+ mei_cl_is_transitioning(cl))) {
+
if (signal_pending(current))
return -EINTR;
return -ERESTARTSYS;
diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h
index 9eb031e92070..892cc4207fa2 100644
--- a/drivers/misc/mei/client.h
+++ b/drivers/misc/mei/client.h
@@ -90,6 +90,12 @@ static inline bool mei_cl_is_connected(struct mei_cl *cl)
cl->dev->dev_state == MEI_DEV_ENABLED &&
cl->state == MEI_FILE_CONNECTED);
}
+static inline bool mei_cl_is_transitioning(struct mei_cl *cl)
+{
+ return (MEI_FILE_INITIALIZING == cl->state ||
+ MEI_FILE_DISCONNECTED == cl->state ||
+ MEI_FILE_DISCONNECTING == cl->state);
+}
bool mei_cl_is_other_connecting(struct mei_cl *cl);
int mei_cl_disconnect(struct mei_cl *cl);
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index 6127ab64bb39..0a0448326e9d 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -35,11 +35,15 @@ static void mei_hbm_me_cl_allocate(struct mei_device *dev)
struct mei_me_client *clients;
int b;
+ dev->me_clients_num = 0;
+ dev->me_client_presentation_num = 0;
+ dev->me_client_index = 0;
+
/* count how many ME clients we have */
for_each_set_bit(b, dev->me_clients_map, MEI_CLIENTS_MAX)
dev->me_clients_num++;
- if (dev->me_clients_num <= 0)
+ if (dev->me_clients_num == 0)
return;
kfree(dev->me_clients);
@@ -221,7 +225,7 @@ static int mei_hbm_prop_req(struct mei_device *dev)
struct hbm_props_request *prop_req;
const size_t len = sizeof(struct hbm_props_request);
unsigned long next_client_index;
- u8 client_num;
+ unsigned long client_num;
client_num = dev->me_client_presentation_num;
@@ -677,8 +681,6 @@ void mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr)
if (dev->dev_state == MEI_DEV_INIT_CLIENTS &&
dev->hbm_state == MEI_HBM_ENUM_CLIENTS) {
dev->init_clients_timer = 0;
- dev->me_client_presentation_num = 0;
- dev->me_client_index = 0;
mei_hbm_me_cl_allocate(dev);
dev->hbm_state = MEI_HBM_CLIENT_PROPERTIES;
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 92c73118b13c..6197018e2f16 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -175,6 +175,9 @@ void mei_reset(struct mei_device *dev, int interrupts_enabled)
memset(&dev->wr_ext_msg, 0, sizeof(dev->wr_ext_msg));
}
+ /* we're already in reset, cancel the init timer */
+ dev->init_clients_timer = 0;
+
dev->me_clients_num = 0;
dev->rd_msg_hdr = 0;
dev->wd_pending = false;
diff --git a/drivers/misc/mei/main.c b/drivers/misc/mei/main.c
index 173ff095be0d..cabeddd66c1f 100644
--- a/drivers/misc/mei/main.c
+++ b/drivers/misc/mei/main.c
@@ -249,19 +249,16 @@ static ssize_t mei_read(struct file *file, char __user *ubuf,
mutex_unlock(&dev->device_lock);
if (wait_event_interruptible(cl->rx_wait,
- (MEI_READ_COMPLETE == cl->reading_state ||
- MEI_FILE_INITIALIZING == cl->state ||
- MEI_FILE_DISCONNECTED == cl->state ||
- MEI_FILE_DISCONNECTING == cl->state))) {
+ MEI_READ_COMPLETE == cl->reading_state ||
+ mei_cl_is_transitioning(cl))) {
+
if (signal_pending(current))
return -EINTR;
return -ERESTARTSYS;
}
mutex_lock(&dev->device_lock);
- if (MEI_FILE_INITIALIZING == cl->state ||
- MEI_FILE_DISCONNECTED == cl->state ||
- MEI_FILE_DISCONNECTING == cl->state) {
+ if (mei_cl_is_transitioning(cl)) {
rets = -EBUSY;
goto out;
}
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 7b918b2fb894..456b322013e2 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -396,9 +396,9 @@ struct mei_device {
struct mei_me_client *me_clients; /* Note: memory has to be allocated */
DECLARE_BITMAP(me_clients_map, MEI_CLIENTS_MAX);
DECLARE_BITMAP(host_clients_map, MEI_CLIENTS_MAX);
- u8 me_clients_num;
- u8 me_client_presentation_num;
- u8 me_client_index;
+ unsigned long me_clients_num;
+ unsigned long me_client_presentation_num;
+ unsigned long me_client_index;
struct mei_cl wd_cl;
enum mei_wd_states wd_state;
diff --git a/drivers/mmc/host/sh_mobile_sdhi.c b/drivers/mmc/host/sh_mobile_sdhi.c
index 87ed3fb5149a..f344659dceac 100644
--- a/drivers/mmc/host/sh_mobile_sdhi.c
+++ b/drivers/mmc/host/sh_mobile_sdhi.c
@@ -113,14 +113,14 @@ static const struct sh_mobile_sdhi_ops sdhi_ops = {
};
static const struct of_device_id sh_mobile_sdhi_of_match[] = {
- { .compatible = "renesas,shmobile-sdhi" },
- { .compatible = "renesas,sh7372-sdhi" },
- { .compatible = "renesas,sh73a0-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], },
- { .compatible = "renesas,r8a73a4-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], },
- { .compatible = "renesas,r8a7740-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], },
- { .compatible = "renesas,r8a7778-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], },
- { .compatible = "renesas,r8a7779-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], },
- { .compatible = "renesas,r8a7790-sdhi", .data = &sh_mobile_sdhi_of_cfg[0], },
+ { .compatible = "renesas,sdhi-shmobile" },
+ { .compatible = "renesas,sdhi-sh7372" },
+ { .compatible = "renesas,sdhi-sh73a0", .data = &sh_mobile_sdhi_of_cfg[0], },
+ { .compatible = "renesas,sdhi-r8a73a4", .data = &sh_mobile_sdhi_of_cfg[0], },
+ { .compatible = "renesas,sdhi-r8a7740", .data = &sh_mobile_sdhi_of_cfg[0], },
+ { .compatible = "renesas,sdhi-r8a7778", .data = &sh_mobile_sdhi_of_cfg[0], },
+ { .compatible = "renesas,sdhi-r8a7779", .data = &sh_mobile_sdhi_of_cfg[0], },
+ { .compatible = "renesas,sdhi-r8a7790", .data = &sh_mobile_sdhi_of_cfg[0], },
{},
};
MODULE_DEVICE_TABLE(of, sh_mobile_sdhi_of_match);
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index 55bbb8b8200c..e883bfe2e727 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -1724,6 +1724,7 @@ static int __bond_release_one(struct net_device *bond_dev,
struct bonding *bond = netdev_priv(bond_dev);
struct slave *slave, *oldcurrent;
struct sockaddr addr;
+ int old_flags = bond_dev->flags;
netdev_features_t old_features = bond_dev->features;
/* slave is not a slave or master is not master of this slave */
@@ -1855,12 +1856,18 @@ static int __bond_release_one(struct net_device *bond_dev,
* bond_change_active_slave(..., NULL)
*/
if (!USES_PRIMARY(bond->params.mode)) {
- /* unset promiscuity level from slave */
- if (bond_dev->flags & IFF_PROMISC)
+ /* unset promiscuity level from slave
+ * NOTE: The NETDEV_CHANGEADDR call above may change the value
+ * of the IFF_PROMISC flag in the bond_dev, but we need the
+ * value of that flag before that change, as that was the value
+ * when this slave was attached, so we cache at the start of the
+ * function and use it here. Same goes for ALLMULTI below
+ */
+ if (old_flags & IFF_PROMISC)
dev_set_promiscuity(slave_dev, -1);
/* unset allmulti level from slave */
- if (bond_dev->flags & IFF_ALLMULTI)
+ if (old_flags & IFF_ALLMULTI)
dev_set_allmulti(slave_dev, -1);
bond_hw_addr_flush(bond_dev, slave_dev);
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index 71c677e651d7..3f21142138b7 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -702,7 +702,6 @@ static int flexcan_chip_start(struct net_device *dev)
{
struct flexcan_priv *priv = netdev_priv(dev);
struct flexcan_regs __iomem *regs = priv->base;
- unsigned int i;
int err;
u32 reg_mcr, reg_ctrl;
@@ -772,17 +771,6 @@ static int flexcan_chip_start(struct net_device *dev)
netdev_dbg(dev, "%s: writing ctrl=0x%08x", __func__, reg_ctrl);
flexcan_write(reg_ctrl, &regs->ctrl);
- for (i = 0; i < ARRAY_SIZE(regs->cantxfg); i++) {
- flexcan_write(0, &regs->cantxfg[i].can_ctrl);
- flexcan_write(0, &regs->cantxfg[i].can_id);
- flexcan_write(0, &regs->cantxfg[i].data[0]);
- flexcan_write(0, &regs->cantxfg[i].data[1]);
-
- /* put MB into rx queue */
- flexcan_write(FLEXCAN_MB_CNT_CODE(0x4),
- &regs->cantxfg[i].can_ctrl);
- }
-
/* acceptance mask/acceptance code (accept everything) */
flexcan_write(0x0, &regs->rxgmask);
flexcan_write(0x0, &regs->rx14mask);
diff --git a/drivers/net/can/slcan.c b/drivers/net/can/slcan.c
index 874188ba06f7..25377e547f9b 100644
--- a/drivers/net/can/slcan.c
+++ b/drivers/net/can/slcan.c
@@ -76,6 +76,10 @@ MODULE_PARM_DESC(maxdev, "Maximum number of slcan interfaces");
/* maximum rx buffer len: extended CAN frame with timestamp */
#define SLC_MTU (sizeof("T1111222281122334455667788EA5F\r")+1)
+#define SLC_CMD_LEN 1
+#define SLC_SFF_ID_LEN 3
+#define SLC_EFF_ID_LEN 8
+
struct slcan {
int magic;
@@ -142,47 +146,63 @@ static void slc_bump(struct slcan *sl)
{
struct sk_buff *skb;
struct can_frame cf;
- int i, dlc_pos, tmp;
- unsigned long ultmp;
- char cmd = sl->rbuff[0];
-
- if ((cmd != 't') && (cmd != 'T') && (cmd != 'r') && (cmd != 'R'))
+ int i, tmp;
+ u32 tmpid;
+ char *cmd = sl->rbuff;
+
+ cf.can_id = 0;
+
+ switch (*cmd) {
+ case 'r':
+ cf.can_id = CAN_RTR_FLAG;
+ /* fallthrough */
+ case 't':
+ /* store dlc ASCII value and terminate SFF CAN ID string */
+ cf.can_dlc = sl->rbuff[SLC_CMD_LEN + SLC_SFF_ID_LEN];
+ sl->rbuff[SLC_CMD_LEN + SLC_SFF_ID_LEN] = 0;
+ /* point to payload data behind the dlc */
+ cmd += SLC_CMD_LEN + SLC_SFF_ID_LEN + 1;
+ break;
+ case 'R':
+ cf.can_id = CAN_RTR_FLAG;
+ /* fallthrough */
+ case 'T':
+ cf.can_id |= CAN_EFF_FLAG;
+ /* store dlc ASCII value and terminate EFF CAN ID string */
+ cf.can_dlc = sl->rbuff[SLC_CMD_LEN + SLC_EFF_ID_LEN];
+ sl->rbuff[SLC_CMD_LEN + SLC_EFF_ID_LEN] = 0;
+ /* point to payload data behind the dlc */
+ cmd += SLC_CMD_LEN + SLC_EFF_ID_LEN + 1;
+ break;
+ default:
return;
+ }
- if (cmd & 0x20) /* tiny chars 'r' 't' => standard frame format */
- dlc_pos = 4; /* dlc position tiiid */
- else
- dlc_pos = 9; /* dlc position Tiiiiiiiid */
-
- if (!((sl->rbuff[dlc_pos] >= '0') && (sl->rbuff[dlc_pos] < '9')))
+ if (kstrtou32(sl->rbuff + SLC_CMD_LEN, 16, &tmpid))
return;
- cf.can_dlc = sl->rbuff[dlc_pos] - '0'; /* get can_dlc from ASCII val */
+ cf.can_id |= tmpid;
- sl->rbuff[dlc_pos] = 0; /* terminate can_id string */
-
- if (kstrtoul(sl->rbuff+1, 16, &ultmp))
+ /* get can_dlc from sanitized ASCII value */
+ if (cf.can_dlc >= '0' && cf.can_dlc < '9')
+ cf.can_dlc -= '0';
+ else
return;
- cf.can_id = ultmp;
-
- if (!(cmd & 0x20)) /* NO tiny chars => extended frame format */
- cf.can_id |= CAN_EFF_FLAG;
-
- if ((cmd | 0x20) == 'r') /* RTR frame */
- cf.can_id |= CAN_RTR_FLAG;
-
*(u64 *) (&cf.data) = 0; /* clear payload */
- for (i = 0, dlc_pos++; i < cf.can_dlc; i++) {
- tmp = hex_to_bin(sl->rbuff[dlc_pos++]);
- if (tmp < 0)
- return;
- cf.data[i] = (tmp << 4);
- tmp = hex_to_bin(sl->rbuff[dlc_pos++]);
- if (tmp < 0)
- return;
- cf.data[i] |= tmp;
+ /* RTR frames may have a dlc > 0 but they never have any data bytes */
+ if (!(cf.can_id & CAN_RTR_FLAG)) {
+ for (i = 0; i < cf.can_dlc; i++) {
+ tmp = hex_to_bin(*cmd++);
+ if (tmp < 0)
+ return;
+ cf.data[i] = (tmp << 4);
+ tmp = hex_to_bin(*cmd++);
+ if (tmp < 0)
+ return;
+ cf.data[i] |= tmp;
+ }
}
skb = dev_alloc_skb(sizeof(struct can_frame) +
@@ -209,7 +229,6 @@ static void slc_bump(struct slcan *sl)
/* parse tty input stream */
static void slcan_unesc(struct slcan *sl, unsigned char s)
{
-
if ((s == '\r') || (s == '\a')) { /* CR or BEL ends the pdu */
if (!test_and_clear_bit(SLF_ERROR, &sl->flags) &&
(sl->rcount > 4)) {
@@ -236,27 +255,46 @@ static void slcan_unesc(struct slcan *sl, unsigned char s)
/* Encapsulate one can_frame and stuff into a TTY queue. */
static void slc_encaps(struct slcan *sl, struct can_frame *cf)
{
- int actual, idx, i;
- char cmd;
+ int actual, i;
+ unsigned char *pos;
+ unsigned char *endpos;
+ canid_t id = cf->can_id;
+
+ pos = sl->xbuff;
if (cf->can_id & CAN_RTR_FLAG)
- cmd = 'R'; /* becomes 'r' in standard frame format */
+ *pos = 'R'; /* becomes 'r' in standard frame format (SFF) */
else
- cmd = 'T'; /* becomes 't' in standard frame format */
+ *pos = 'T'; /* becomes 't' in standard frame format (SSF) */
- if (cf->can_id & CAN_EFF_FLAG)
- sprintf(sl->xbuff, "%c%08X%d", cmd,
- cf->can_id & CAN_EFF_MASK, cf->can_dlc);
- else
- sprintf(sl->xbuff, "%c%03X%d", cmd | 0x20,
- cf->can_id & CAN_SFF_MASK, cf->can_dlc);
+ /* determine number of chars for the CAN-identifier */
+ if (cf->can_id & CAN_EFF_FLAG) {
+ id &= CAN_EFF_MASK;
+ endpos = pos + SLC_EFF_ID_LEN;
+ } else {
+ *pos |= 0x20; /* convert R/T to lower case for SFF */
+ id &= CAN_SFF_MASK;
+ endpos = pos + SLC_SFF_ID_LEN;
+ }
- idx = strlen(sl->xbuff);
+ /* build 3 (SFF) or 8 (EFF) digit CAN identifier */
+ pos++;
+ while (endpos >= pos) {
+ *endpos-- = hex_asc_upper[id & 0xf];
+ id >>= 4;
+ }
+
+ pos += (cf->can_id & CAN_EFF_FLAG) ? SLC_EFF_ID_LEN : SLC_SFF_ID_LEN;
- for (i = 0; i < cf->can_dlc; i++)
- sprintf(&sl->xbuff[idx + 2*i], "%02X", cf->data[i]);
+ *pos++ = cf->can_dlc + '0';
+
+ /* RTR frames may have a dlc > 0 but they never have any data bytes */
+ if (!(cf->can_id & CAN_RTR_FLAG)) {
+ for (i = 0; i < cf->can_dlc; i++)
+ pos = hex_byte_pack_upper(pos, cf->data[i]);
+ }
- strcat(sl->xbuff, "\r"); /* add terminating character */
+ *pos++ = '\r';
/* Order of next two lines is *very* important.
* When we are sending a little amount of data,
@@ -267,8 +305,8 @@ static void slc_encaps(struct slcan *sl, struct can_frame *cf)
* 14 Oct 1994 Dmitry Gorodchanin.
*/
set_bit(TTY_DO_WRITE_WAKEUP, &sl->tty->flags);
- actual = sl->tty->ops->write(sl->tty, sl->xbuff, strlen(sl->xbuff));
- sl->xleft = strlen(sl->xbuff) - actual;
+ actual = sl->tty->ops->write(sl->tty, sl->xbuff, pos - sl->xbuff);
+ sl->xleft = (pos - sl->xbuff) - actual;
sl->xhead = sl->xbuff + actual;
sl->dev->stats.tx_bytes += cf->can_dlc;
}
@@ -286,11 +324,13 @@ static void slcan_write_wakeup(struct tty_struct *tty)
if (!sl || sl->magic != SLCAN_MAGIC || !netif_running(sl->dev))
return;
+ spin_lock(&sl->lock);
if (sl->xleft <= 0) {
/* Now serial buffer is almost free & we can start
* transmission of another packet */
sl->dev->stats.tx_packets++;
clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
+ spin_unlock(&sl->lock);
netif_wake_queue(sl->dev);
return;
}
@@ -298,6 +338,7 @@ static void slcan_write_wakeup(struct tty_struct *tty)
actual = tty->ops->write(tty, sl->xhead, sl->xleft);
sl->xleft -= actual;
sl->xhead += actual;
+ spin_unlock(&sl->lock);
}
/* Send a can_frame to a TTY queue. */
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index a0f647f92bf5..0b7a4c3b01a2 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -463,7 +463,7 @@ static int peak_usb_start(struct peak_usb_device *dev)
if (i < PCAN_USB_MAX_TX_URBS) {
if (i == 0) {
netdev_err(netdev, "couldn't setup any tx URB\n");
- return err;
+ goto err_tx;
}
netdev_warn(netdev, "tx performance may be slow\n");
@@ -472,7 +472,7 @@ static int peak_usb_start(struct peak_usb_device *dev)
if (dev->adapter->dev_start) {
err = dev->adapter->dev_start(dev);
if (err)
- goto failed;
+ goto err_adapter;
}
dev->state |= PCAN_USB_STATE_STARTED;
@@ -481,19 +481,26 @@ static int peak_usb_start(struct peak_usb_device *dev)
if (dev->adapter->dev_set_bus) {
err = dev->adapter->dev_set_bus(dev, 1);
if (err)
- goto failed;
+ goto err_adapter;
}
dev->can.state = CAN_STATE_ERROR_ACTIVE;
return 0;
-failed:
+err_adapter:
if (err == -ENODEV)
netif_device_detach(dev->netdev);
netdev_warn(netdev, "couldn't submit control: %d\n", err);
+ for (i = 0; i < PCAN_USB_MAX_TX_URBS; i++) {
+ usb_free_urb(dev->tx_contexts[i].urb);
+ dev->tx_contexts[i].urb = NULL;
+ }
+err_tx:
+ usb_kill_anchored_urbs(&dev->rx_submitted);
+
return err;
}
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
index 61726af1de6e..e66beff2704d 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
@@ -2481,8 +2481,7 @@ load_error_cnic2:
load_error_cnic1:
bnx2x_napi_disable_cnic(bp);
/* Update the number of queues without the cnic queues */
- rc = bnx2x_set_real_num_queues(bp, 0);
- if (rc)
+ if (bnx2x_set_real_num_queues(bp, 0))
BNX2X_ERR("Unable to set real_num_queues not including cnic\n");
load_error_cnic0:
BNX2X_ERR("CNIC-related load failed\n");
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
index d60a2ea3da19..51468227bf3b 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c
@@ -175,6 +175,7 @@ typedef int (*read_sfp_module_eeprom_func_p)(struct bnx2x_phy *phy,
#define EDC_MODE_LINEAR 0x0022
#define EDC_MODE_LIMITING 0x0044
#define EDC_MODE_PASSIVE_DAC 0x0055
+#define EDC_MODE_ACTIVE_DAC 0x0066
/* ETS defines*/
#define DCBX_INVALID_COS (0xFF)
@@ -3684,6 +3685,41 @@ static void bnx2x_warpcore_enable_AN_KR2(struct bnx2x_phy *phy,
bnx2x_update_link_attr(params, vars->link_attr_sync);
}
+static void bnx2x_disable_kr2(struct link_params *params,
+ struct link_vars *vars,
+ struct bnx2x_phy *phy)
+{
+ struct bnx2x *bp = params->bp;
+ int i;
+ static struct bnx2x_reg_set reg_set[] = {
+ /* Step 1 - Program the TX/RX alignment markers */
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
+ {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
+ };
+ DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
+
+ for (i = 0; i < ARRAY_SIZE(reg_set); i++)
+ bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
+ reg_set[i].val);
+ vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
+ bnx2x_update_link_attr(params, vars->link_attr_sync);
+
+ vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
+}
+
static void bnx2x_warpcore_set_lpi_passthrough(struct bnx2x_phy *phy,
struct link_params *params)
{
@@ -3715,7 +3751,6 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
struct link_params *params,
struct link_vars *vars) {
u16 lane, i, cl72_ctrl, an_adv = 0;
- u16 ucode_ver;
struct bnx2x *bp = params->bp;
static struct bnx2x_reg_set reg_set[] = {
{MDIO_WC_DEVAD, MDIO_WC_REG_SERDESDIGITAL_CONTROL1000X2, 0x7},
@@ -3806,15 +3841,7 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
/* Advertise pause */
bnx2x_ext_phy_set_pause(params, phy, vars);
- /* Set KR Autoneg Work-Around flag for Warpcore version older than D108
- */
- bnx2x_cl45_read(bp, phy, MDIO_WC_DEVAD,
- MDIO_WC_REG_UC_INFO_B1_VERSION, &ucode_ver);
- if (ucode_ver < 0xd108) {
- DP(NETIF_MSG_LINK, "Enable AN KR work-around. WC ver:0x%x\n",
- ucode_ver);
- vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
- }
+ vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
bnx2x_cl45_read_or_write(bp, phy, MDIO_WC_DEVAD,
MDIO_WC_REG_DIGITAL5_MISC7, 0x100);
@@ -3838,6 +3865,8 @@ static void bnx2x_warpcore_enable_AN_KR(struct bnx2x_phy *phy,
bnx2x_set_aer_mmd(params, phy);
bnx2x_warpcore_enable_AN_KR2(phy, params, vars);
+ } else {
+ bnx2x_disable_kr2(params, vars, phy);
}
/* Enable Autoneg: only on the main lane */
@@ -4347,20 +4376,14 @@ static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
struct bnx2x *bp = params->bp;
u32 serdes_net_if;
u16 gp_status1 = 0, lnkup = 0, lnkup_kr = 0;
- u16 lane = bnx2x_get_warpcore_lane(phy, params);
vars->turn_to_run_wc_rt = vars->turn_to_run_wc_rt ? 0 : 1;
if (!vars->turn_to_run_wc_rt)
return;
- /* Return if there is no link partner */
- if (!(bnx2x_warpcore_get_sigdet(phy, params))) {
- DP(NETIF_MSG_LINK, "bnx2x_warpcore_get_sigdet false\n");
- return;
- }
-
if (vars->rx_tx_asic_rst) {
+ u16 lane = bnx2x_get_warpcore_lane(phy, params);
serdes_net_if = (REG_RD(bp, params->shmem_base +
offsetof(struct shmem_region, dev_info.
port_hw_config[params->port].default_cfg)) &
@@ -4375,14 +4398,8 @@ static void bnx2x_warpcore_config_runtime(struct bnx2x_phy *phy,
/*10G KR*/
lnkup_kr = (gp_status1 >> (12+lane)) & 0x1;
- DP(NETIF_MSG_LINK,
- "gp_status1 0x%x\n", gp_status1);
-
if (lnkup_kr || lnkup) {
- vars->rx_tx_asic_rst = 0;
- DP(NETIF_MSG_LINK,
- "link up, rx_tx_asic_rst 0x%x\n",
- vars->rx_tx_asic_rst);
+ vars->rx_tx_asic_rst = 0;
} else {
/* Reset the lane to see if link comes up.*/
bnx2x_warpcore_reset_lane(bp, phy, 1);
@@ -4507,10 +4524,14 @@ static void bnx2x_warpcore_config_init(struct bnx2x_phy *phy,
* enabled transmitter to avoid current leakage in case
* no module is connected
*/
- if (bnx2x_is_sfp_module_plugged(phy, params))
- bnx2x_sfp_module_detection(phy, params);
- else
- bnx2x_sfp_e3_set_transmitter(params, phy, 1);
+ if ((params->loopback_mode == LOOPBACK_NONE) ||
+ (params->loopback_mode == LOOPBACK_EXT)) {
+ if (bnx2x_is_sfp_module_plugged(phy, params))
+ bnx2x_sfp_module_detection(phy, params);
+ else
+ bnx2x_sfp_e3_set_transmitter(params,
+ phy, 1);
+ }
bnx2x_warpcore_config_sfi(phy, params);
break;
@@ -5757,6 +5778,11 @@ static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy,
rc = bnx2x_get_link_speed_duplex(phy, params, vars, link_up, gp_speed,
duplex);
+ /* In case of KR link down, start up the recovering procedure */
+ if ((!link_up) && (phy->media_type == ETH_PHY_KR) &&
+ (!(phy->flags & FLAGS_WC_DUAL_MODE)))
+ vars->rx_tx_asic_rst = MAX_KR_LINK_RETRY;
+
DP(NETIF_MSG_LINK, "duplex %x flow_ctrl 0x%x link_status 0x%x\n",
vars->duplex, vars->flow_ctrl, vars->link_status);
return rc;
@@ -6507,6 +6533,11 @@ static int bnx2x_link_initialize(struct link_params *params,
params->phy[INT_PHY].config_init(phy, params, vars);
}
+ /* Re-read this value in case it was changed inside config_init due to
+ * limitations of optic module
+ */
+ vars->line_speed = params->phy[INT_PHY].req_line_speed;
+
/* Init external phy*/
if (non_ext_phy) {
if (params->phy[INT_PHY].supported &
@@ -8080,7 +8111,10 @@ static int bnx2x_get_edc_mode(struct bnx2x_phy *phy,
if (copper_module_type &
SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_ACTIVE) {
DP(NETIF_MSG_LINK, "Active Copper cable detected\n");
- check_limiting_mode = 1;
+ if (phy->type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT)
+ *edc_mode = EDC_MODE_ACTIVE_DAC;
+ else
+ check_limiting_mode = 1;
} else if (copper_module_type &
SFP_EEPROM_FC_TX_TECH_BITMASK_COPPER_PASSIVE) {
DP(NETIF_MSG_LINK,
@@ -8555,6 +8589,7 @@ static void bnx2x_warpcore_set_limiting_mode(struct link_params *params,
mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_DEFAULT;
break;
case EDC_MODE_PASSIVE_DAC:
+ case EDC_MODE_ACTIVE_DAC:
mode = MDIO_WC_REG_UC_INFO_B1_FIRMWARE_MODE_SFP_DAC;
break;
default:
@@ -9730,32 +9765,41 @@ static int bnx2x_848xx_cmn_config_init(struct bnx2x_phy *phy,
MDIO_AN_DEVAD, MDIO_AN_REG_8481_1000T_CTRL,
an_1000_val);
- /* set 100 speed advertisement */
- if ((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF))) {
- an_10_100_val |= (1<<7);
- /* Enable autoneg and restart autoneg for legacy speeds */
- autoneg_val |= (1<<9 | 1<<12);
-
- if (phy->req_duplex == DUPLEX_FULL)
+ /* Set 10/100 speed advertisement */
+ if (phy->req_line_speed == SPEED_AUTO_NEG) {
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL) {
+ /* Enable autoneg and restart autoneg for legacy speeds
+ */
+ autoneg_val |= (1<<9 | 1<<12);
an_10_100_val |= (1<<8);
- DP(NETIF_MSG_LINK, "Advertising 100M\n");
- }
- /* set 10 speed advertisement */
- if (((phy->req_line_speed == SPEED_AUTO_NEG) &&
- (phy->speed_cap_mask &
- (PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL |
- PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) &&
- (phy->supported &
- (SUPPORTED_10baseT_Half |
- SUPPORTED_10baseT_Full)))) {
- an_10_100_val |= (1<<5);
- autoneg_val |= (1<<9 | 1<<12);
- if (phy->req_duplex == DUPLEX_FULL)
+ DP(NETIF_MSG_LINK, "Advertising 100M-FD\n");
+ }
+
+ if (phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF) {
+ /* Enable autoneg and restart autoneg for legacy speeds
+ */
+ autoneg_val |= (1<<9 | 1<<12);
+ an_10_100_val |= (1<<7);
+ DP(NETIF_MSG_LINK, "Advertising 100M-HD\n");
+ }
+
+ if ((phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) &&
+ (phy->supported & SUPPORTED_10baseT_Full)) {
an_10_100_val |= (1<<6);
- DP(NETIF_MSG_LINK, "Advertising 10M\n");
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 10M-FD\n");
+ }
+
+ if ((phy->speed_cap_mask &
+ PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF) &&
+ (phy->supported & SUPPORTED_10baseT_Half)) {
+ an_10_100_val |= (1<<5);
+ autoneg_val |= (1<<9 | 1<<12);
+ DP(NETIF_MSG_LINK, "Advertising 10M-HD\n");
+ }
}
/* Only 10/100 are allowed to work in FORCE mode */
@@ -13432,43 +13476,6 @@ static void bnx2x_sfp_tx_fault_detection(struct bnx2x_phy *phy,
}
}
}
-static void bnx2x_disable_kr2(struct link_params *params,
- struct link_vars *vars,
- struct bnx2x_phy *phy)
-{
- struct bnx2x *bp = params->bp;
- int i;
- static struct bnx2x_reg_set reg_set[] = {
- /* Step 1 - Program the TX/RX alignment markers */
- {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL5, 0x7690},
- {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL7, 0xe647},
- {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL6, 0xc4f0},
- {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_TX_CTRL9, 0x7690},
- {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL11, 0xe647},
- {MDIO_WC_DEVAD, MDIO_WC_REG_CL82_USERB1_RX_CTRL10, 0xc4f0},
- {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_USERB0_CTRL, 0x000c},
- {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL1, 0x6000},
- {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CTRL3, 0x0000},
- {MDIO_WC_DEVAD, MDIO_WC_REG_CL73_BAM_CODE_FIELD, 0x0002},
- {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI1, 0x0000},
- {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI2, 0x0af7},
- {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_OUI3, 0x0af7},
- {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_BAM_CODE, 0x0002},
- {MDIO_WC_DEVAD, MDIO_WC_REG_ETA_CL73_LD_UD_CODE, 0x0000}
- };
- DP(NETIF_MSG_LINK, "Disabling 20G-KR2\n");
-
- for (i = 0; i < ARRAY_SIZE(reg_set); i++)
- bnx2x_cl45_write(bp, phy, reg_set[i].devad, reg_set[i].reg,
- reg_set[i].val);
- vars->link_attr_sync &= ~LINK_ATTR_SYNC_KR2_ENABLE;
- bnx2x_update_link_attr(params, vars->link_attr_sync);
-
- vars->check_kr2_recovery_cnt = CHECK_KR2_RECOVERY_CNT;
- /* Restart AN on leading lane */
- bnx2x_warpcore_restart_AN_KR(phy, params);
-}
-
static void bnx2x_kr2_recovery(struct link_params *params,
struct link_vars *vars,
struct bnx2x_phy *phy)
@@ -13546,6 +13553,8 @@ static void bnx2x_check_kr2_wa(struct link_params *params,
/* Disable KR2 on both lanes */
DP(NETIF_MSG_LINK, "BP=0x%x, NP=0x%x\n", base_page, next_page);
bnx2x_disable_kr2(params, vars, phy);
+ /* Restart AN on leading lane */
+ bnx2x_warpcore_restart_AN_KR(phy, params);
return;
}
}
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index a6704b555042..82b658d8c04c 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -4703,6 +4703,14 @@ bool bnx2x_chk_parity_attn(struct bnx2x *bp, bool *global, bool print)
attn.sig[3] = REG_RD(bp,
MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 +
port*4);
+ /* Since MCP attentions can't be disabled inside the block, we need to
+ * read AEU registers to see whether they're currently disabled
+ */
+ attn.sig[3] &= ((REG_RD(bp,
+ !port ? MISC_REG_AEU_ENABLE4_FUNC_0_OUT_0
+ : MISC_REG_AEU_ENABLE4_FUNC_1_OUT_0) &
+ MISC_AEU_ENABLE_MCP_PRTY_BITS) |
+ ~MISC_AEU_ENABLE_MCP_PRTY_BITS);
if (!CHIP_IS_E1x(bp))
attn.sig[4] = REG_RD(bp,
@@ -5447,26 +5455,24 @@ static void bnx2x_timer(unsigned long data)
if (IS_PF(bp) &&
!BP_NOMCP(bp)) {
int mb_idx = BP_FW_MB_IDX(bp);
- u32 drv_pulse;
- u32 mcp_pulse;
+ u16 drv_pulse;
+ u16 mcp_pulse;
++bp->fw_drv_pulse_wr_seq;
bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK;
- /* TBD - add SYSTEM_TIME */
drv_pulse = bp->fw_drv_pulse_wr_seq;
bnx2x_drv_pulse(bp);
mcp_pulse = (SHMEM_RD(bp, func_mb[mb_idx].mcp_pulse_mb) &
MCP_PULSE_SEQ_MASK);
/* The delta between driver pulse and mcp response
- * should be 1 (before mcp response) or 0 (after mcp response)
+ * should not get too big. If the MFW is more than 5 pulses
+ * behind, we should worry about it enough to generate an error
+ * log.
*/
- if ((drv_pulse != mcp_pulse) &&
- (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) {
- /* someone lost a heartbeat... */
- BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
+ if (((drv_pulse - mcp_pulse) & MCP_PULSE_SEQ_MASK) > 5)
+ BNX2X_ERR("MFW seems hanged: drv_pulse (0x%x) != mcp_pulse (0x%x)\n",
drv_pulse, mcp_pulse);
- }
}
if (bp->state == BNX2X_STATE_OPEN)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
index 2604b6204abe..9ad012bdd915 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_sriov.c
@@ -1819,7 +1819,7 @@ bnx2x_get_vf_igu_cam_info(struct bnx2x *bp)
fid = GET_FIELD((val), IGU_REG_MAPPING_MEMORY_FID);
if (fid & IGU_FID_ENCODE_IS_PF)
current_pf = fid & IGU_FID_PF_NUM_MASK;
- else if (current_pf == BP_ABS_FUNC(bp))
+ else if (current_pf == BP_FUNC(bp))
bnx2x_vf_set_igu_info(bp, sb_id,
(fid & IGU_FID_VF_NUM_MASK));
DP(BNX2X_MSG_IOV, "%s[%d], igu_sb_id=%d, msix=%d\n",
@@ -3180,6 +3180,7 @@ int bnx2x_enable_sriov(struct bnx2x *bp)
/* set local queue arrays */
vf->vfqs = &bp->vfdb->vfqs[qcount];
qcount += vf_sb_count(vf);
+ bnx2x_iov_static_resc(bp, vf);
}
/* prepare msix vectors in VF configuration space */
@@ -3187,6 +3188,8 @@ int bnx2x_enable_sriov(struct bnx2x *bp)
bnx2x_pretend_func(bp, HW_VF_HANDLE(bp, vf_idx));
REG_WR(bp, PCICFG_OFFSET + GRC_CONFIG_REG_VF_MSIX_CONTROL,
num_vf_queues);
+ DP(BNX2X_MSG_IOV, "set msix vec num in VF %d cfg space to %d\n",
+ vf_idx, num_vf_queues);
}
bnx2x_pretend_func(bp, BP_ABS_FUNC(bp));
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
index 6cfb88732452..da16953eb2ec 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_vfpf.c
@@ -1765,28 +1765,28 @@ static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,
switch (mbx->first_tlv.tl.type) {
case CHANNEL_TLV_ACQUIRE:
bnx2x_vf_mbx_acquire(bp, vf, mbx);
- break;
+ return;
case CHANNEL_TLV_INIT:
bnx2x_vf_mbx_init_vf(bp, vf, mbx);
- break;
+ return;
case CHANNEL_TLV_SETUP_Q:
bnx2x_vf_mbx_setup_q(bp, vf, mbx);
- break;
+ return;
case CHANNEL_TLV_SET_Q_FILTERS:
bnx2x_vf_mbx_set_q_filters(bp, vf, mbx);
- break;
+ return;
case CHANNEL_TLV_TEARDOWN_Q:
bnx2x_vf_mbx_teardown_q(bp, vf, mbx);
- break;
+ return;
case CHANNEL_TLV_CLOSE:
bnx2x_vf_mbx_close_vf(bp, vf, mbx);
- break;
+ return;
case CHANNEL_TLV_RELEASE:
bnx2x_vf_mbx_release_vf(bp, vf, mbx);
- break;
+ return;
case CHANNEL_TLV_UPDATE_RSS:
bnx2x_vf_mbx_update_rss(bp, vf, mbx);
- break;
+ return;
}
} else {
@@ -1802,26 +1802,24 @@ static void bnx2x_vf_mbx_request(struct bnx2x *bp, struct bnx2x_virtf *vf,
for (i = 0; i < 20; i++)
DP_CONT(BNX2X_MSG_IOV, "%x ",
mbx->msg->req.tlv_buf_size.tlv_buffer[i]);
+ }
- /* test whether we can respond to the VF (do we have an address
- * for it?)
- */
- if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) {
- /* mbx_resp uses the op_rc of the VF */
- vf->op_rc = PFVF_STATUS_NOT_SUPPORTED;
+ /* can we respond to VF (do we have an address for it?) */
+ if (vf->state == VF_ACQUIRED || vf->state == VF_ENABLED) {
+ /* mbx_resp uses the op_rc of the VF */
+ vf->op_rc = PFVF_STATUS_NOT_SUPPORTED;
- /* notify the VF that we do not support this request */
- bnx2x_vf_mbx_resp(bp, vf);
- } else {
- /* can't send a response since this VF is unknown to us
- * just ack the FW to release the mailbox and unlock
- * the channel.
- */
- storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
- mmiowb();
- bnx2x_unlock_vf_pf_channel(bp, vf,
- mbx->first_tlv.tl.type);
- }
+ /* notify the VF that we do not support this request */
+ bnx2x_vf_mbx_resp(bp, vf);
+ } else {
+ /* can't send a response since this VF is unknown to us
+ * just ack the FW to release the mailbox and unlock
+ * the channel.
+ */
+ storm_memset_vf_mbx_ack(bp, vf->abs_vfid);
+ /* Firmware ack should be written before unlocking channel */
+ mmiowb();
+ bnx2x_unlock_vf_pf_channel(bp, vf, mbx->first_tlv.tl.type);
}
}
diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index ace5050dba38..db020230bd0b 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -88,6 +88,7 @@ static inline char *nic_name(struct pci_dev *pdev)
#define BE_MIN_MTU 256
#define BE_NUM_VLANS_SUPPORTED 64
+#define BE_UMC_NUM_VLANS_SUPPORTED 15
#define BE_MAX_EQD 96u
#define BE_MAX_TX_FRAG_COUNT 30
@@ -333,6 +334,7 @@ enum vf_state {
#define BE_FLAGS_LINK_STATUS_INIT 1
#define BE_FLAGS_WORKER_SCHEDULED (1 << 3)
+#define BE_FLAGS_VLAN_PROMISC (1 << 4)
#define BE_FLAGS_NAPI_ENABLED (1 << 9)
#define BE_UC_PMAC_COUNT 30
#define BE_VF_UC_PMAC_COUNT 2
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index 1ab5dab11eff..bd0e0c0bbcd8 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -180,6 +180,9 @@ static int be_mcc_compl_process(struct be_adapter *adapter,
dev_err(&adapter->pdev->dev,
"opcode %d-%d failed:status %d-%d\n",
opcode, subsystem, compl_status, extd_status);
+
+ if (extd_status == MCC_ADDL_STS_INSUFFICIENT_RESOURCES)
+ return extd_status;
}
}
done:
@@ -1812,6 +1815,12 @@ int be_cmd_rx_filter(struct be_adapter *adapter, u32 flags, u32 value)
} else if (flags & IFF_ALLMULTI) {
req->if_flags_mask = req->if_flags =
cpu_to_le32(BE_IF_FLAGS_MCAST_PROMISCUOUS);
+ } else if (flags & BE_FLAGS_VLAN_PROMISC) {
+ req->if_flags_mask = cpu_to_le32(BE_IF_FLAGS_VLAN_PROMISCUOUS);
+
+ if (value == ON)
+ req->if_flags =
+ cpu_to_le32(BE_IF_FLAGS_VLAN_PROMISCUOUS);
} else {
struct netdev_hw_addr *ha;
int i = 0;
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index d026226db88c..108ca8abf0af 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -60,6 +60,8 @@ enum {
MCC_STATUS_NOT_SUPPORTED = 66
};
+#define MCC_ADDL_STS_INSUFFICIENT_RESOURCES 0x16
+
#define CQE_STATUS_COMPL_MASK 0xFFFF
#define CQE_STATUS_COMPL_SHIFT 0 /* bits 0 - 15 */
#define CQE_STATUS_EXTD_MASK 0xFFFF
@@ -1791,7 +1793,7 @@ struct be_nic_res_desc {
u8 acpi_params;
u8 wol_param;
u16 rsvd7;
- u32 rsvd8[3];
+ u32 rsvd8[7];
} __packed;
struct be_cmd_req_get_func_config {
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index 100b528b9bd0..2c38cc402119 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -855,11 +855,11 @@ static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter,
unsigned int eth_hdr_len;
struct iphdr *ip;
- /* Lancer ASIC has a bug wherein packets that are 32 bytes or less
+ /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less
* may cause a transmit stall on that port. So the work-around is to
- * pad such packets to a 36-byte length.
+ * pad short packets (<= 32 bytes) to a 36-byte length.
*/
- if (unlikely(lancer_chip(adapter) && skb->len <= 32)) {
+ if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) {
if (skb_padto(skb, 36))
goto tx_drop;
skb->len = 36;
@@ -1013,18 +1013,40 @@ static int be_vid_config(struct be_adapter *adapter)
status = be_cmd_vlan_config(adapter, adapter->if_handle,
vids, num, 1, 0);
- /* Set to VLAN promisc mode as setting VLAN filter failed */
if (status) {
- dev_info(&adapter->pdev->dev, "Exhausted VLAN HW filters.\n");
- dev_info(&adapter->pdev->dev, "Disabling HW VLAN filtering.\n");
- goto set_vlan_promisc;
+ /* Set to VLAN promisc mode as setting VLAN filter failed */
+ if (status == MCC_ADDL_STS_INSUFFICIENT_RESOURCES)
+ goto set_vlan_promisc;
+ dev_err(&adapter->pdev->dev,
+ "Setting HW VLAN filtering failed.\n");
+ } else {
+ if (adapter->flags & BE_FLAGS_VLAN_PROMISC) {
+ /* hw VLAN filtering re-enabled. */
+ status = be_cmd_rx_filter(adapter,
+ BE_FLAGS_VLAN_PROMISC, OFF);
+ if (!status) {
+ dev_info(&adapter->pdev->dev,
+ "Disabling VLAN Promiscuous mode.\n");
+ adapter->flags &= ~BE_FLAGS_VLAN_PROMISC;
+ dev_info(&adapter->pdev->dev,
+ "Re-Enabling HW VLAN filtering\n");
+ }
+ }
}
return status;
set_vlan_promisc:
- status = be_cmd_vlan_config(adapter, adapter->if_handle,
- NULL, 0, 1, 1);
+ dev_warn(&adapter->pdev->dev, "Exhausted VLAN HW filters.\n");
+
+ status = be_cmd_rx_filter(adapter, BE_FLAGS_VLAN_PROMISC, ON);
+ if (!status) {
+ dev_info(&adapter->pdev->dev, "Enable VLAN Promiscuous mode\n");
+ dev_info(&adapter->pdev->dev, "Disabling HW VLAN filtering\n");
+ adapter->flags |= BE_FLAGS_VLAN_PROMISC;
+ } else
+ dev_err(&adapter->pdev->dev,
+ "Failed to enable VLAN Promiscuous mode.\n");
return status;
}
@@ -1033,10 +1055,6 @@ static int be_vlan_add_vid(struct net_device *netdev, __be16 proto, u16 vid)
struct be_adapter *adapter = netdev_priv(netdev);
int status = 0;
- if (!lancer_chip(adapter) && !be_physfn(adapter)) {
- status = -EINVAL;
- goto ret;
- }
/* Packets with VID 0 are always received by Lancer by default */
if (lancer_chip(adapter) && vid == 0)
@@ -1059,11 +1077,6 @@ static int be_vlan_rem_vid(struct net_device *netdev, __be16 proto, u16 vid)
struct be_adapter *adapter = netdev_priv(netdev);
int status = 0;
- if (!lancer_chip(adapter) && !be_physfn(adapter)) {
- status = -EINVAL;
- goto ret;
- }
-
/* Packets with VID 0 are always received by Lancer by default */
if (lancer_chip(adapter) && vid == 0)
goto ret;
@@ -1188,8 +1201,8 @@ static int be_get_vf_config(struct net_device *netdev, int vf,
vi->vf = vf;
vi->tx_rate = vf_cfg->tx_rate;
- vi->vlan = vf_cfg->vlan_tag;
- vi->qos = 0;
+ vi->vlan = vf_cfg->vlan_tag & VLAN_VID_MASK;
+ vi->qos = vf_cfg->vlan_tag >> VLAN_PRIO_SHIFT;
memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN);
return 0;
@@ -1199,28 +1212,29 @@ static int be_set_vf_vlan(struct net_device *netdev,
int vf, u16 vlan, u8 qos)
{
struct be_adapter *adapter = netdev_priv(netdev);
+ struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf];
int status = 0;
if (!sriov_enabled(adapter))
return -EPERM;
- if (vf >= adapter->num_vfs || vlan > 4095)
+ if (vf >= adapter->num_vfs || vlan > 4095 || qos > 7)
return -EINVAL;
- if (vlan) {
- if (adapter->vf_cfg[vf].vlan_tag != vlan) {
+ if (vlan || qos) {
+ vlan |= qos << VLAN_PRIO_SHIFT;
+ if (vf_cfg->vlan_tag != vlan) {
/* If this is new value, program it. Else skip. */
- adapter->vf_cfg[vf].vlan_tag = vlan;
-
- status = be_cmd_set_hsw_config(adapter, vlan,
- vf + 1, adapter->vf_cfg[vf].if_handle, 0);
+ vf_cfg->vlan_tag = vlan;
+ status = be_cmd_set_hsw_config(adapter, vlan, vf + 1,
+ vf_cfg->if_handle, 0);
}
} else {
/* Reset Transparent Vlan Tagging. */
- adapter->vf_cfg[vf].vlan_tag = 0;
- vlan = adapter->vf_cfg[vf].def_vid;
+ vf_cfg->vlan_tag = 0;
+ vlan = vf_cfg->def_vid;
status = be_cmd_set_hsw_config(adapter, vlan, vf + 1,
- adapter->vf_cfg[vf].if_handle, 0);
+ vf_cfg->if_handle, 0);
}
@@ -2963,6 +2977,8 @@ static void BEx_get_resources(struct be_adapter *adapter,
if (adapter->function_mode & FLEX10_MODE)
res->max_vlans = BE_NUM_VLANS_SUPPORTED/8;
+ else if (adapter->function_mode & UMC_ENABLED)
+ res->max_vlans = BE_UMC_NUM_VLANS_SUPPORTED;
else
res->max_vlans = BE_NUM_VLANS_SUPPORTED;
res->max_mcast_mac = BE_MAX_MC;
diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c
index 098f133908ae..e006a09ba899 100644
--- a/drivers/net/ethernet/freescale/gianfar_ptp.c
+++ b/drivers/net/ethernet/freescale/gianfar_ptp.c
@@ -452,7 +452,9 @@ static int gianfar_ptp_probe(struct platform_device *dev)
err = -ENODEV;
etsects->caps = ptp_gianfar_caps;
- etsects->cksel = DEFAULT_CKSEL;
+
+ if (get_of_u32(node, "fsl,cksel", &etsects->cksel))
+ etsects->cksel = DEFAULT_CKSEL;
if (get_of_u32(node, "fsl,tclk-period", &etsects->tclk_period) ||
get_of_u32(node, "fsl,tmr-prsc", &etsects->tmr_prsc) ||
diff --git a/drivers/net/ethernet/intel/i40e/i40e_adminq.c b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
index 0c524fa9f811..cfef7fc32cdd 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_adminq.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_adminq.c
@@ -701,8 +701,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw,
details = I40E_ADMINQ_DETAILS(hw->aq.asq, hw->aq.asq.next_to_use);
if (cmd_details) {
- memcpy(details, cmd_details,
- sizeof(struct i40e_asq_cmd_details));
+ *details = *cmd_details;
/* If the cmd_details are defined copy the cookie. The
* cpu_to_le32 is not needed here because the data is ignored
@@ -760,7 +759,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw,
desc_on_ring = I40E_ADMINQ_DESC(hw->aq.asq, hw->aq.asq.next_to_use);
/* if the desc is available copy the temp desc to the right place */
- memcpy(desc_on_ring, desc, sizeof(struct i40e_aq_desc));
+ *desc_on_ring = *desc;
/* if buff is not NULL assume indirect command */
if (buff != NULL) {
@@ -807,7 +806,7 @@ i40e_status i40e_asq_send_command(struct i40e_hw *hw,
/* if ready, copy the desc back to temp */
if (i40e_asq_done(hw)) {
- memcpy(desc, desc_on_ring, sizeof(struct i40e_aq_desc));
+ *desc = *desc_on_ring;
if (buff != NULL)
memcpy(buff, dma_buff->va, buff_size);
retval = le16_to_cpu(desc->retval);
diff --git a/drivers/net/ethernet/intel/i40e/i40e_common.c b/drivers/net/ethernet/intel/i40e/i40e_common.c
index c21df7bc3b1d..1e4ea134975a 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_common.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_common.c
@@ -507,7 +507,7 @@ i40e_status i40e_aq_get_link_info(struct i40e_hw *hw,
/* save link status information */
if (link)
- memcpy(link, hw_link_info, sizeof(struct i40e_link_status));
+ *link = *hw_link_info;
/* flag cleared so helper functions don't call AQ again */
hw->phy.get_link_info = false;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index 601d482694ea..221aa4795017 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -101,10 +101,10 @@ int i40e_allocate_dma_mem_d(struct i40e_hw *hw, struct i40e_dma_mem *mem,
mem->size = ALIGN(size, alignment);
mem->va = dma_zalloc_coherent(&pf->pdev->dev, mem->size,
&mem->pa, GFP_KERNEL);
- if (mem->va)
- return 0;
+ if (!mem->va)
+ return -ENOMEM;
- return -ENOMEM;
+ return 0;
}
/**
@@ -136,10 +136,10 @@ int i40e_allocate_virt_mem_d(struct i40e_hw *hw, struct i40e_virt_mem *mem,
mem->size = size;
mem->va = kzalloc(size, GFP_KERNEL);
- if (mem->va)
- return 0;
+ if (!mem->va)
+ return -ENOMEM;
- return -ENOMEM;
+ return 0;
}
/**
@@ -174,8 +174,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile,
u16 needed, u16 id)
{
int ret = -ENOMEM;
- int i = 0;
- int j = 0;
+ int i, j;
if (!pile || needed == 0 || id >= I40E_PILE_VALID_BIT) {
dev_info(&pf->pdev->dev,
@@ -186,7 +185,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile,
/* start the linear search with an imperfect hint */
i = pile->search_hint;
- while (i < pile->num_entries && ret < 0) {
+ while (i < pile->num_entries) {
/* skip already allocated entries */
if (pile->list[i] & I40E_PILE_VALID_BIT) {
i++;
@@ -205,6 +204,7 @@ static int i40e_get_lump(struct i40e_pf *pf, struct i40e_lump_tracking *pile,
pile->list[i+j] = id | I40E_PILE_VALID_BIT;
ret = i;
pile->search_hint = i + j;
+ break;
} else {
/* not enough, so skip over it and continue looking */
i += j;
@@ -1388,7 +1388,7 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
bool add_happened = false;
int filter_list_len = 0;
u32 changed_flags = 0;
- i40e_status ret = 0;
+ i40e_status aq_ret = 0;
struct i40e_pf *pf;
int num_add = 0;
int num_del = 0;
@@ -1449,28 +1449,28 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
/* flush a full buffer */
if (num_del == filter_list_len) {
- ret = i40e_aq_remove_macvlan(&pf->hw,
+ aq_ret = i40e_aq_remove_macvlan(&pf->hw,
vsi->seid, del_list, num_del,
NULL);
num_del = 0;
memset(del_list, 0, sizeof(*del_list));
- if (ret)
+ if (aq_ret)
dev_info(&pf->pdev->dev,
"ignoring delete macvlan error, err %d, aq_err %d while flushing a full buffer\n",
- ret,
+ aq_ret,
pf->hw.aq.asq_last_status);
}
}
if (num_del) {
- ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid,
+ aq_ret = i40e_aq_remove_macvlan(&pf->hw, vsi->seid,
del_list, num_del, NULL);
num_del = 0;
- if (ret)
+ if (aq_ret)
dev_info(&pf->pdev->dev,
"ignoring delete macvlan error, err %d, aq_err %d\n",
- ret, pf->hw.aq.asq_last_status);
+ aq_ret, pf->hw.aq.asq_last_status);
}
kfree(del_list);
@@ -1515,32 +1515,30 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
/* flush a full buffer */
if (num_add == filter_list_len) {
- ret = i40e_aq_add_macvlan(&pf->hw,
- vsi->seid,
- add_list,
- num_add,
- NULL);
+ aq_ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid,
+ add_list, num_add,
+ NULL);
num_add = 0;
- if (ret)
+ if (aq_ret)
break;
memset(add_list, 0, sizeof(*add_list));
}
}
if (num_add) {
- ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid,
- add_list, num_add, NULL);
+ aq_ret = i40e_aq_add_macvlan(&pf->hw, vsi->seid,
+ add_list, num_add, NULL);
num_add = 0;
}
kfree(add_list);
add_list = NULL;
- if (add_happened && (!ret)) {
+ if (add_happened && (!aq_ret)) {
/* do nothing */;
- } else if (add_happened && (ret)) {
+ } else if (add_happened && (aq_ret)) {
dev_info(&pf->pdev->dev,
"add filter failed, err %d, aq_err %d\n",
- ret, pf->hw.aq.asq_last_status);
+ aq_ret, pf->hw.aq.asq_last_status);
if ((pf->hw.aq.asq_last_status == I40E_AQ_RC_ENOSPC) &&
!test_bit(__I40E_FILTER_OVERFLOW_PROMISC,
&vsi->state)) {
@@ -1556,28 +1554,27 @@ int i40e_sync_vsi_filters(struct i40e_vsi *vsi)
if (changed_flags & IFF_ALLMULTI) {
bool cur_multipromisc;
cur_multipromisc = !!(vsi->current_netdev_flags & IFF_ALLMULTI);
- ret = i40e_aq_set_vsi_multicast_promiscuous(&vsi->back->hw,
- vsi->seid,
- cur_multipromisc,
- NULL);
- if (ret)
+ aq_ret = i40e_aq_set_vsi_multicast_promiscuous(&vsi->back->hw,
+ vsi->seid,
+ cur_multipromisc,
+ NULL);
+ if (aq_ret)
dev_info(&pf->pdev->dev,
"set multi promisc failed, err %d, aq_err %d\n",
- ret, pf->hw.aq.asq_last_status);
+ aq_ret, pf->hw.aq.asq_last_status);
}
if ((changed_flags & IFF_PROMISC) || promisc_forced_on) {
bool cur_promisc;
cur_promisc = (!!(vsi->current_netdev_flags & IFF_PROMISC) ||
test_bit(__I40E_FILTER_OVERFLOW_PROMISC,
&vsi->state));
- ret = i40e_aq_set_vsi_unicast_promiscuous(&vsi->back->hw,
- vsi->seid,
- cur_promisc,
- NULL);
- if (ret)
+ aq_ret = i40e_aq_set_vsi_unicast_promiscuous(&vsi->back->hw,
+ vsi->seid,
+ cur_promisc, NULL);
+ if (aq_ret)
dev_info(&pf->pdev->dev,
"set uni promisc failed, err %d, aq_err %d\n",
- ret, pf->hw.aq.asq_last_status);
+ aq_ret, pf->hw.aq.asq_last_status);
}
clear_bit(__I40E_CONFIG_BUSY, &vsi->state);
@@ -1790,6 +1787,8 @@ int i40e_vsi_add_vlan(struct i40e_vsi *vsi, s16 vid)
* i40e_vsi_kill_vlan - Remove vsi membership for given vlan
* @vsi: the vsi being configured
* @vid: vlan id to be removed (0 = untagged only , -1 = any)
+ *
+ * Return: 0 on success or negative otherwise
**/
int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid)
{
@@ -1863,37 +1862,39 @@ int i40e_vsi_kill_vlan(struct i40e_vsi *vsi, s16 vid)
* i40e_vlan_rx_add_vid - Add a vlan id filter to HW offload
* @netdev: network interface to be adjusted
* @vid: vlan id to be added
+ *
+ * net_device_ops implementation for adding vlan ids
**/
static int i40e_vlan_rx_add_vid(struct net_device *netdev,
__always_unused __be16 proto, u16 vid)
{
struct i40e_netdev_priv *np = netdev_priv(netdev);
struct i40e_vsi *vsi = np->vsi;
- int ret;
+ int ret = 0;
if (vid > 4095)
- return 0;
+ return -EINVAL;
+
+ netdev_info(netdev, "adding %pM vid=%d\n", netdev->dev_addr, vid);
- netdev_info(vsi->netdev, "adding %pM vid=%d\n",
- netdev->dev_addr, vid);
/* If the network stack called us with vid = 0, we should
* indicate to i40e_vsi_add_vlan() that we want to receive
* any traffic (i.e. with any vlan tag, or untagged)
*/
ret = i40e_vsi_add_vlan(vsi, vid ? vid : I40E_VLAN_ANY);
- if (!ret) {
- if (vid < VLAN_N_VID)
- set_bit(vid, vsi->active_vlans);
- }
+ if (!ret && (vid < VLAN_N_VID))
+ set_bit(vid, vsi->active_vlans);
- return 0;
+ return ret;
}
/**
* i40e_vlan_rx_kill_vid - Remove a vlan id filter from HW offload
* @netdev: network interface to be adjusted
* @vid: vlan id to be removed
+ *
+ * net_device_ops implementation for adding vlan ids
**/
static int i40e_vlan_rx_kill_vid(struct net_device *netdev,
__always_unused __be16 proto, u16 vid)
@@ -1901,15 +1902,16 @@ static int i40e_vlan_rx_kill_vid(struct net_device *netdev,
struct i40e_netdev_priv *np = netdev_priv(netdev);
struct i40e_vsi *vsi = np->vsi;
- netdev_info(vsi->netdev, "removing %pM vid=%d\n",
- netdev->dev_addr, vid);
+ netdev_info(netdev, "removing %pM vid=%d\n", netdev->dev_addr, vid);
+
/* return code is ignored as there is nothing a user
* can do about failure to remove and a log message was
- * already printed from another function
+ * already printed from the other function
*/
i40e_vsi_kill_vlan(vsi, vid);
clear_bit(vid, vsi->active_vlans);
+
return 0;
}
@@ -1936,10 +1938,10 @@ static void i40e_restore_vlan(struct i40e_vsi *vsi)
* @vsi: the vsi being adjusted
* @vid: the vlan id to set as a PVID
**/
-i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid)
+int i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid)
{
struct i40e_vsi_context ctxt;
- i40e_status ret;
+ i40e_status aq_ret;
vsi->info.valid_sections = cpu_to_le16(I40E_AQ_VSI_PROP_VLAN_VALID);
vsi->info.pvid = cpu_to_le16(vid);
@@ -1948,14 +1950,15 @@ i40e_status i40e_vsi_add_pvid(struct i40e_vsi *vsi, u16 vid)
ctxt.seid = vsi->seid;
memcpy(&ctxt.info, &vsi->info, sizeof(vsi->info));
- ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL);
- if (ret) {
+ aq_ret = i40e_aq_update_vsi_params(&vsi->back->hw, &ctxt, NULL);
+ if (aq_ret) {
dev_info(&vsi->back->pdev->dev,
"%s: update vsi failed, aq_err=%d\n",
__func__, vsi->back->hw.aq.asq_last_status);
+ return -ENOENT;
}
- return ret;
+ return 0;
}
/**
@@ -3326,7 +3329,8 @@ static void i40e_pf_unquiesce_all_vsi(struct i40e_pf *pf)
**/
static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg)
{
- int num_tc = 0, i;
+ u8 num_tc = 0;
+ int i;
/* Scan the ETS Config Priority Table to find
* traffic class enabled for a given priority
@@ -3341,9 +3345,7 @@ static u8 i40e_dcb_get_num_tc(struct i40e_dcbx_config *dcbcfg)
/* Traffic class index starts from zero so
* increment to return the actual count
*/
- num_tc++;
-
- return num_tc;
+ return num_tc + 1;
}
/**
@@ -3451,28 +3453,27 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi)
struct i40e_aqc_query_vsi_bw_config_resp bw_config = {0};
struct i40e_pf *pf = vsi->back;
struct i40e_hw *hw = &pf->hw;
+ i40e_status aq_ret;
u32 tc_bw_max;
- int ret;
int i;
/* Get the VSI level BW configuration */
- ret = i40e_aq_query_vsi_bw_config(hw, vsi->seid, &bw_config, NULL);
- if (ret) {
+ aq_ret = i40e_aq_query_vsi_bw_config(hw, vsi->seid, &bw_config, NULL);
+ if (aq_ret) {
dev_info(&pf->pdev->dev,
"couldn't get pf vsi bw config, err %d, aq_err %d\n",
- ret, pf->hw.aq.asq_last_status);
- return ret;
+ aq_ret, pf->hw.aq.asq_last_status);
+ return -EINVAL;
}
/* Get the VSI level BW configuration per TC */
- ret = i40e_aq_query_vsi_ets_sla_config(hw, vsi->seid,
- &bw_ets_config,
- NULL);
- if (ret) {
+ aq_ret = i40e_aq_query_vsi_ets_sla_config(hw, vsi->seid, &bw_ets_config,
+ NULL);
+ if (aq_ret) {
dev_info(&pf->pdev->dev,
"couldn't get pf vsi ets bw config, err %d, aq_err %d\n",
- ret, pf->hw.aq.asq_last_status);
- return ret;
+ aq_ret, pf->hw.aq.asq_last_status);
+ return -EINVAL;
}
if (bw_config.tc_valid_bits != bw_ets_config.tc_valid_bits) {
@@ -3494,7 +3495,8 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi)
/* 3 bits out of 4 for each TC */
vsi->bw_ets_max_quanta[i] = (u8)((tc_bw_max >> (i*4)) & 0x7);
}
- return ret;
+
+ return 0;
}
/**
@@ -3505,30 +3507,30 @@ static int i40e_vsi_get_bw_info(struct i40e_vsi *vsi)
*
* Returns 0 on success, negative value on failure
**/
-static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi,
- u8 enabled_tc,
+static int i40e_vsi_configure_bw_alloc(struct i40e_vsi *vsi, u8 enabled_tc,
u8 *bw_share)
{
struct i40e_aqc_configure_vsi_tc_bw_data bw_data;
- int i, ret = 0;
+ i40e_status aq_ret;
+ int i;
bw_data.tc_valid_bits = enabled_tc;
for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++)
bw_data.tc_bw_credits[i] = bw_share[i];
- ret = i40e_aq_config_vsi_tc_bw(&vsi->back->hw, vsi->seid,
- &bw_data, NULL);
- if (ret) {
+ aq_ret = i40e_aq_config_vsi_tc_bw(&vsi->back->hw, vsi->seid, &bw_data,
+ NULL);
+ if (aq_ret) {
dev_info(&vsi->back->pdev->dev,
"%s: AQ command Config VSI BW allocation per TC failed = %d\n",
__func__, vsi->back->hw.aq.asq_last_status);
- return ret;
+ return -EINVAL;
}
for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++)
vsi->info.qs_handle[i] = bw_data.qs_handles[i];
- return ret;
+ return 0;
}
/**
diff --git a/drivers/net/ethernet/intel/igb/igb_ethtool.c b/drivers/net/ethernet/intel/igb/igb_ethtool.c
index 48cbc833b051..86d51429a189 100644
--- a/drivers/net/ethernet/intel/igb/igb_ethtool.c
+++ b/drivers/net/ethernet/intel/igb/igb_ethtool.c
@@ -1607,6 +1607,9 @@ static int igb_integrated_phy_loopback(struct igb_adapter *adapter)
igb_write_phy_reg(hw, I347AT4_PAGE_SELECT, 0);
igb_write_phy_reg(hw, PHY_CONTROL, 0x4140);
}
+ } else if (hw->phy.type == e1000_phy_82580) {
+ /* enable MII loopback */
+ igb_write_phy_reg(hw, I82580_PHY_LBK_CTRL, 0x8041);
}
/* add small delay to avoid loopback test failure */
diff --git a/drivers/net/ethernet/marvell/skge.c b/drivers/net/ethernet/marvell/skge.c
index 1a9c4f6269ea..ecc7f7b696b8 100644
--- a/drivers/net/ethernet/marvell/skge.c
+++ b/drivers/net/ethernet/marvell/skge.c
@@ -3086,13 +3086,16 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
PCI_DMA_FROMDEVICE);
skge_rx_reuse(e, skge->rx_buf_size);
} else {
+ struct skge_element ee;
struct sk_buff *nskb;
nskb = netdev_alloc_skb_ip_align(dev, skge->rx_buf_size);
if (!nskb)
goto resubmit;
- skb = e->skb;
+ ee = *e;
+
+ skb = ee.skb;
prefetch(skb->data);
if (skge_rx_setup(skge, e, nskb, skge->rx_buf_size) < 0) {
@@ -3101,8 +3104,8 @@ static struct sk_buff *skge_rx_get(struct net_device *dev,
}
pci_unmap_single(skge->hw->pdev,
- dma_unmap_addr(e, mapaddr),
- dma_unmap_len(e, maplen),
+ dma_unmap_addr(&ee, mapaddr),
+ dma_unmap_len(&ee, maplen),
PCI_DMA_FROMDEVICE);
}
diff --git a/drivers/net/ethernet/moxa/moxart_ether.c b/drivers/net/ethernet/moxa/moxart_ether.c
index 83c2091c9c23..bd1a2d2bc2ae 100644
--- a/drivers/net/ethernet/moxa/moxart_ether.c
+++ b/drivers/net/ethernet/moxa/moxart_ether.c
@@ -543,7 +543,7 @@ static const struct of_device_id moxart_mac_match[] = {
{ }
};
-struct __initdata platform_driver moxart_mac_driver = {
+static struct platform_driver moxart_mac_driver = {
.probe = moxart_mac_probe,
.remove = moxart_remove,
.driver = {
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
index 4d7ad0074d1c..ebe4c86e5230 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_ethtool.c
@@ -1794,3 +1794,11 @@ const struct ethtool_ops qlcnic_sriov_vf_ethtool_ops = {
.set_msglevel = qlcnic_set_msglevel,
.get_msglevel = qlcnic_get_msglevel,
};
+
+const struct ethtool_ops qlcnic_ethtool_failed_ops = {
+ .get_settings = qlcnic_get_settings,
+ .get_drvinfo = qlcnic_get_drvinfo,
+ .set_msglevel = qlcnic_set_msglevel,
+ .get_msglevel = qlcnic_get_msglevel,
+ .set_dump = qlcnic_set_dump,
+};
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
index c4c5023e1fdf..21d00a0449a1 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_main.c
@@ -431,6 +431,9 @@ static void qlcnic_82xx_cancel_idc_work(struct qlcnic_adapter *adapter)
while (test_and_set_bit(__QLCNIC_RESETTING, &adapter->state))
usleep_range(10000, 11000);
+ if (!adapter->fw_work.work.func)
+ return;
+
cancel_delayed_work_sync(&adapter->fw_work);
}
@@ -2275,8 +2278,9 @@ qlcnic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
adapter->portnum = adapter->ahw->pci_func;
err = qlcnic_start_firmware(adapter);
if (err) {
- dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n");
- goto err_out_free_hw;
+ dev_err(&pdev->dev, "Loading fw failed.Please Reboot\n"
+ "\t\tIf reboot doesn't help, try flashing the card\n");
+ goto err_out_maintenance_mode;
}
qlcnic_get_multiq_capability(adapter);
@@ -2408,6 +2412,22 @@ err_out_disable_pdev:
pci_set_drvdata(pdev, NULL);
pci_disable_device(pdev);
return err;
+
+err_out_maintenance_mode:
+ netdev->netdev_ops = &qlcnic_netdev_failed_ops;
+ SET_ETHTOOL_OPS(netdev, &qlcnic_ethtool_failed_ops);
+ err = register_netdev(netdev);
+
+ if (err) {
+ dev_err(&pdev->dev, "Failed to register net device\n");
+ qlcnic_clr_all_drv_state(adapter, 0);
+ goto err_out_free_hw;
+ }
+
+ pci_set_drvdata(pdev, adapter);
+ qlcnic_add_sysfs(adapter);
+
+ return 0;
}
static void qlcnic_remove(struct pci_dev *pdev)
@@ -2518,8 +2538,16 @@ static int qlcnic_resume(struct pci_dev *pdev)
static int qlcnic_open(struct net_device *netdev)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
+ u32 state;
int err;
+ state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
+ if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
+ netdev_err(netdev, "%s: Device is in FAILED state\n", __func__);
+
+ return -EIO;
+ }
+
netif_carrier_off(netdev);
err = qlcnic_attach(adapter);
@@ -3228,6 +3256,13 @@ void qlcnic_82xx_dev_request_reset(struct qlcnic_adapter *adapter, u32 key)
return;
state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
+ if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD) {
+ netdev_err(adapter->netdev, "%s: Device is in FAILED state\n",
+ __func__);
+ qlcnic_api_unlock(adapter);
+
+ return;
+ }
if (state == QLCNIC_DEV_READY) {
QLC_SHARED_REG_WR32(adapter, QLCNIC_CRB_DEV_STATE,
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
index 330d9a8774ad..686f460b1502 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
@@ -397,6 +397,7 @@ static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter)
{
struct net_device *netdev = adapter->netdev;
+ rtnl_lock();
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
@@ -407,12 +408,15 @@ static int qlcnic_pci_sriov_disable(struct qlcnic_adapter *adapter)
/* After disabling SRIOV re-init the driver in default mode
configure opmode based on op_mode of function
*/
- if (qlcnic_83xx_configure_opmode(adapter))
+ if (qlcnic_83xx_configure_opmode(adapter)) {
+ rtnl_unlock();
return -EIO;
+ }
if (netif_running(netdev))
__qlcnic_up(adapter, netdev);
+ rtnl_unlock();
return 0;
}
@@ -533,6 +537,7 @@ static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs)
return -EIO;
}
+ rtnl_lock();
if (netif_running(netdev))
__qlcnic_down(adapter, netdev);
@@ -555,6 +560,7 @@ static int qlcnic_pci_sriov_enable(struct qlcnic_adapter *adapter, int num_vfs)
__qlcnic_up(adapter, netdev);
error:
+ rtnl_unlock();
return err;
}
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
index c6165d05cc13..019f4377307f 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sysfs.c
@@ -1272,6 +1272,7 @@ void qlcnic_remove_sysfs_entries(struct qlcnic_adapter *adapter)
void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
{
struct device *dev = &adapter->pdev->dev;
+ u32 state;
if (device_create_bin_file(dev, &bin_attr_port_stats))
dev_info(dev, "failed to create port stats sysfs entry");
@@ -1285,8 +1286,13 @@ void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
if (device_create_bin_file(dev, &bin_attr_mem))
dev_info(dev, "failed to create mem sysfs entry\n");
+ state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
+ if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD)
+ return;
+
if (device_create_bin_file(dev, &bin_attr_pci_config))
dev_info(dev, "failed to create pci config sysfs entry");
+
if (device_create_file(dev, &dev_attr_beacon))
dev_info(dev, "failed to create beacon sysfs entry");
@@ -1307,6 +1313,7 @@ void qlcnic_create_diag_entries(struct qlcnic_adapter *adapter)
void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
{
struct device *dev = &adapter->pdev->dev;
+ u32 state;
device_remove_bin_file(dev, &bin_attr_port_stats);
@@ -1315,6 +1322,11 @@ void qlcnic_remove_diag_entries(struct qlcnic_adapter *adapter)
device_remove_file(dev, &dev_attr_diag_mode);
device_remove_bin_file(dev, &bin_attr_crb);
device_remove_bin_file(dev, &bin_attr_mem);
+
+ state = QLC_SHARED_REG_RD32(adapter, QLCNIC_CRB_DEV_STATE);
+ if (state == QLCNIC_DEV_FAILED || state == QLCNIC_DEV_BADBAD)
+ return;
+
device_remove_bin_file(dev, &bin_attr_pci_config);
device_remove_file(dev, &dev_attr_beacon);
if (!(adapter->flags & QLCNIC_ESWITCH_ENABLED))
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c
index 10093f0c4c0f..6bc5db703920 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_dbg.c
@@ -740,8 +740,8 @@ int ql_core_dump(struct ql_adapter *qdev, struct ql_mpi_coredump *mpi_coredump)
int i;
if (!mpi_coredump) {
- netif_err(qdev, drv, qdev->ndev, "No memory available\n");
- return -ENOMEM;
+ netif_err(qdev, drv, qdev->ndev, "No memory allocated\n");
+ return -EINVAL;
}
/* Try to get the spinlock, but dont worry if
diff --git a/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c b/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c
index ff2bf8a4e247..7ad146080c36 100644
--- a/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c
+++ b/drivers/net/ethernet/qlogic/qlge/qlge_mpi.c
@@ -1274,7 +1274,7 @@ void ql_mpi_reset_work(struct work_struct *work)
return;
}
- if (!ql_core_dump(qdev, qdev->mpi_coredump)) {
+ if (qdev->mpi_coredump && !ql_core_dump(qdev, qdev->mpi_coredump)) {
netif_err(qdev, drv, qdev->ndev, "Core is dumped!\n");
qdev->core_is_dumped = 1;
queue_delayed_work(qdev->workqueue,
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c
index 128d7cdf9eb2..c082562dbf4e 100644
--- a/drivers/net/ethernet/sfc/mcdi.c
+++ b/drivers/net/ethernet/sfc/mcdi.c
@@ -27,10 +27,10 @@
/* A reboot/assertion causes the MCDI status word to be set after the
* command word is set or a REBOOT event is sent. If we notice a reboot
- * via these mechanisms then wait 20ms for the status word to be set.
+ * via these mechanisms then wait 250ms for the status word to be set.
*/
#define MCDI_STATUS_DELAY_US 100
-#define MCDI_STATUS_DELAY_COUNT 200
+#define MCDI_STATUS_DELAY_COUNT 2500
#define MCDI_STATUS_SLEEP_MS \
(MCDI_STATUS_DELAY_US * MCDI_STATUS_DELAY_COUNT / 1000)
@@ -800,9 +800,6 @@ static void efx_mcdi_ev_death(struct efx_nic *efx, int rc)
} else {
int count;
- /* Nobody was waiting for an MCDI request, so trigger a reset */
- efx_schedule_reset(efx, RESET_TYPE_MC_FAILURE);
-
/* Consume the status word since efx_mcdi_rpc_finish() won't */
for (count = 0; count < MCDI_STATUS_DELAY_COUNT; ++count) {
if (efx_mcdi_poll_reboot(efx))
@@ -810,6 +807,9 @@ static void efx_mcdi_ev_death(struct efx_nic *efx, int rc)
udelay(MCDI_STATUS_DELAY_US);
}
mcdi->new_epoch = true;
+
+ /* Nobody was waiting for an MCDI request, so trigger a reset */
+ efx_schedule_reset(efx, RESET_TYPE_MC_FAILURE);
}
spin_unlock(&mcdi->iface_lock);
diff --git a/drivers/net/ethernet/via/via-rhine.c b/drivers/net/ethernet/via/via-rhine.c
index c8f088ab5fdf..bdf697b184ae 100644
--- a/drivers/net/ethernet/via/via-rhine.c
+++ b/drivers/net/ethernet/via/via-rhine.c
@@ -32,7 +32,7 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#define DRV_NAME "via-rhine"
-#define DRV_VERSION "1.5.0"
+#define DRV_VERSION "1.5.1"
#define DRV_RELDATE "2010-10-09"
#include <linux/types.h>
@@ -1704,7 +1704,12 @@ static netdev_tx_t rhine_start_tx(struct sk_buff *skb,
cpu_to_le32(TXDESC | (skb->len >= ETH_ZLEN ? skb->len : ETH_ZLEN));
if (unlikely(vlan_tx_tag_present(skb))) {
- rp->tx_ring[entry].tx_status = cpu_to_le32((vlan_tx_tag_get(skb)) << 16);
+ u16 vid_pcp = vlan_tx_tag_get(skb);
+
+ /* drop CFI/DEI bit, register needs VID and PCP */
+ vid_pcp = (vid_pcp & VLAN_VID_MASK) |
+ ((vid_pcp & VLAN_PRIO_MASK) >> 1);
+ rp->tx_ring[entry].tx_status = cpu_to_le32((vid_pcp) << 16);
/* request tagging */
rp->tx_ring[entry].desc_length |= cpu_to_le32(0x020000);
}
diff --git a/drivers/net/ethernet/xilinx/ll_temac_main.c b/drivers/net/ethernet/xilinx/ll_temac_main.c
index b88121f240ca..0029148077a9 100644
--- a/drivers/net/ethernet/xilinx/ll_temac_main.c
+++ b/drivers/net/ethernet/xilinx/ll_temac_main.c
@@ -297,6 +297,12 @@ static int temac_dma_bd_init(struct net_device *ndev)
lp->rx_bd_p + (sizeof(*lp->rx_bd_v) * (RX_BD_NUM - 1)));
lp->dma_out(lp, TX_CURDESC_PTR, lp->tx_bd_p);
+ /* Init descriptor indexes */
+ lp->tx_bd_ci = 0;
+ lp->tx_bd_next = 0;
+ lp->tx_bd_tail = 0;
+ lp->rx_bd_ci = 0;
+
return 0;
out:
diff --git a/drivers/net/slip/slip.c b/drivers/net/slip/slip.c
index a34d6bf5e43b..cc70ecfc7062 100644
--- a/drivers/net/slip/slip.c
+++ b/drivers/net/slip/slip.c
@@ -429,11 +429,13 @@ static void slip_write_wakeup(struct tty_struct *tty)
if (!sl || sl->magic != SLIP_MAGIC || !netif_running(sl->dev))
return;
+ spin_lock(&sl->lock);
if (sl->xleft <= 0) {
/* Now serial buffer is almost free & we can start
* transmission of another packet */
sl->dev->stats.tx_packets++;
clear_bit(TTY_DO_WRITE_WAKEUP, &tty->flags);
+ spin_unlock(&sl->lock);
sl_unlock(sl);
return;
}
@@ -441,6 +443,7 @@ static void slip_write_wakeup(struct tty_struct *tty)
actual = tty->ops->write(tty, sl->xhead, sl->xleft);
sl->xleft -= actual;
sl->xhead += actual;
+ spin_unlock(&sl->lock);
}
static void sl_tx_timeout(struct net_device *dev)
diff --git a/drivers/net/usb/dm9601.c b/drivers/net/usb/dm9601.c
index 2dbb9460349d..c6867f926cff 100644
--- a/drivers/net/usb/dm9601.c
+++ b/drivers/net/usb/dm9601.c
@@ -303,7 +303,7 @@ static void dm9601_set_multicast(struct net_device *net)
rx_ctl |= 0x02;
} else if (net->flags & IFF_ALLMULTI ||
netdev_mc_count(net) > DM_MAX_MCAST) {
- rx_ctl |= 0x04;
+ rx_ctl |= 0x08;
} else if (!netdev_mc_empty(net)) {
struct netdev_hw_addr *ha;
diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c
index 6312332afeba..3d6aaf79d8b2 100644
--- a/drivers/net/usb/qmi_wwan.c
+++ b/drivers/net/usb/qmi_wwan.c
@@ -714,7 +714,7 @@ static const struct usb_device_id products[] = {
{QMI_FIXED_INTF(0x2357, 0x0201, 4)}, /* TP-LINK HSUPA Modem MA180 */
{QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */
{QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */
- {QMI_FIXED_INTF(0x1e2d, 0x12d1, 4)}, /* Cinterion PLxx */
+ {QMI_FIXED_INTF(0x1e2d, 0x0060, 4)}, /* Cinterion PLxx */
/* 4. Gobi 1000 devices */
{QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 7b331e613e02..bf94e10a37c8 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -1241,7 +1241,9 @@ static int build_dma_sg(const struct sk_buff *skb, struct urb *urb)
if (num_sgs == 1)
return 0;
- urb->sg = kmalloc(num_sgs * sizeof(struct scatterlist), GFP_ATOMIC);
+ /* reserve one for zero packet */
+ urb->sg = kmalloc((num_sgs + 1) * sizeof(struct scatterlist),
+ GFP_ATOMIC);
if (!urb->sg)
return -ENOMEM;
@@ -1305,7 +1307,7 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
if (build_dma_sg(skb, urb) < 0)
goto drop;
}
- entry->length = length = urb->transfer_buffer_length;
+ length = urb->transfer_buffer_length;
/* don't assume the hardware handles USB_ZERO_PACKET
* NOTE: strictly conforming cdc-ether devices should expect
@@ -1317,15 +1319,18 @@ netdev_tx_t usbnet_start_xmit (struct sk_buff *skb,
if (length % dev->maxpacket == 0) {
if (!(info->flags & FLAG_SEND_ZLP)) {
if (!(info->flags & FLAG_MULTI_PACKET)) {
- urb->transfer_buffer_length++;
- if (skb_tailroom(skb)) {
+ length++;
+ if (skb_tailroom(skb) && !urb->num_sgs) {
skb->data[skb->len] = 0;
__skb_put(skb, 1);
- }
+ } else if (urb->num_sgs)
+ sg_set_buf(&urb->sg[urb->num_sgs++],
+ dev->padding_pkt, 1);
}
} else
urb->transfer_flags |= URB_ZERO_PACKET;
}
+ entry->length = urb->transfer_buffer_length = length;
spin_lock_irqsave(&dev->txq.lock, flags);
retval = usb_autopm_get_interface_async(dev->intf);
@@ -1509,6 +1514,7 @@ void usbnet_disconnect (struct usb_interface *intf)
usb_kill_urb(dev->interrupt);
usb_free_urb(dev->interrupt);
+ kfree(dev->padding_pkt);
free_netdev(net);
}
@@ -1679,9 +1685,16 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
/* initialize max rx_qlen and tx_qlen */
usbnet_update_max_qlen(dev);
+ if (dev->can_dma_sg && !(info->flags & FLAG_SEND_ZLP) &&
+ !(info->flags & FLAG_MULTI_PACKET)) {
+ dev->padding_pkt = kzalloc(1, GFP_KERNEL);
+ if (!dev->padding_pkt)
+ goto out4;
+ }
+
status = register_netdev (net);
if (status)
- goto out4;
+ goto out5;
netif_info(dev, probe, dev->net,
"register '%s' at usb-%s-%s, %s, %pM\n",
udev->dev.driver->name,
@@ -1699,6 +1712,8 @@ usbnet_probe (struct usb_interface *udev, const struct usb_device_id *prod)
return 0;
+out5:
+ kfree(dev->padding_pkt);
out4:
usb_free_urb(dev->interrupt);
out3:
diff --git a/drivers/net/vxlan.c b/drivers/net/vxlan.c
index d1292fe746bc..2ef5b6219f3f 100644
--- a/drivers/net/vxlan.c
+++ b/drivers/net/vxlan.c
@@ -952,8 +952,7 @@ void vxlan_sock_release(struct vxlan_sock *vs)
spin_lock(&vn->sock_lock);
hlist_del_rcu(&vs->hlist);
- smp_wmb();
- vs->sock->sk->sk_user_data = NULL;
+ rcu_assign_sk_user_data(vs->sock->sk, NULL);
vxlan_notify_del_rx_port(sk);
spin_unlock(&vn->sock_lock);
@@ -1048,8 +1047,7 @@ static int vxlan_udp_encap_recv(struct sock *sk, struct sk_buff *skb)
port = inet_sk(sk)->inet_sport;
- smp_read_barrier_depends();
- vs = (struct vxlan_sock *)sk->sk_user_data;
+ vs = rcu_dereference_sk_user_data(sk);
if (!vs)
goto drop;
@@ -2302,8 +2300,7 @@ static struct vxlan_sock *vxlan_socket_create(struct net *net, __be16 port,
atomic_set(&vs->refcnt, 1);
vs->rcv = rcv;
vs->data = data;
- smp_wmb();
- vs->sock->sk->sk_user_data = vs;
+ rcu_assign_sk_user_data(vs->sock->sk, vs);
spin_lock(&vn->sock_lock);
hlist_add_head_rcu(&vs->hlist, vs_head(net, port));
diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c
index 4ee472a5a4e4..ab9e3a8410bc 100644
--- a/drivers/net/wireless/ath/ath9k/recv.c
+++ b/drivers/net/wireless/ath/ath9k/recv.c
@@ -1270,13 +1270,6 @@ static void ath9k_antenna_check(struct ath_softc *sc,
return;
/*
- * All MPDUs in an aggregate will use the same LNA
- * as the first MPDU.
- */
- if (rs->rs_isaggr && !rs->rs_firstaggr)
- return;
-
- /*
* Change the default rx antenna if rx diversity
* chooses the other antenna 3 times in a row.
*/
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 35b515fe3ffa..5ac713d2ff5d 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -399,6 +399,7 @@ static struct ath_buf* ath_clone_txbuf(struct ath_softc *sc, struct ath_buf *bf)
tbf->bf_buf_addr = bf->bf_buf_addr;
memcpy(tbf->bf_desc, bf->bf_desc, sc->sc_ah->caps.tx_desc_len);
tbf->bf_state = bf->bf_state;
+ tbf->bf_state.stale = false;
return tbf;
}
@@ -1389,11 +1390,15 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
u16 tid, u16 *ssn)
{
struct ath_atx_tid *txtid;
+ struct ath_txq *txq;
struct ath_node *an;
u8 density;
an = (struct ath_node *)sta->drv_priv;
txtid = ATH_AN_2_TID(an, tid);
+ txq = txtid->ac->txq;
+
+ ath_txq_lock(sc, txq);
/* update ampdu factor/density, they may have changed. This may happen
* in HT IBSS when a beacon with HT-info is received after the station
@@ -1417,6 +1422,8 @@ int ath_tx_aggr_start(struct ath_softc *sc, struct ieee80211_sta *sta,
memset(txtid->tx_buf, 0, sizeof(txtid->tx_buf));
txtid->baw_head = txtid->baw_tail = 0;
+ ath_txq_unlock_complete(sc, txq);
+
return 0;
}
@@ -1555,8 +1562,10 @@ void ath9k_release_buffered_frames(struct ieee80211_hw *hw,
__skb_unlink(bf->bf_mpdu, tid_q);
list_add_tail(&bf->list, &bf_q);
ath_set_rates(tid->an->vif, tid->an->sta, bf);
- ath_tx_addto_baw(sc, tid, bf);
- bf->bf_state.bf_type &= ~BUF_AGGR;
+ if (bf_isampdu(bf)) {
+ ath_tx_addto_baw(sc, tid, bf);
+ bf->bf_state.bf_type &= ~BUF_AGGR;
+ }
if (bf_tail)
bf_tail->bf_next = bf;
@@ -1950,7 +1959,9 @@ static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
if (bf_is_ampdu_not_probing(bf))
txq->axq_ampdu_depth++;
- bf = bf->bf_lastbf->bf_next;
+ bf_last = bf->bf_lastbf;
+ bf = bf_last->bf_next;
+ bf_last->bf_next = NULL;
}
}
}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
index 64f4a2bc8dde..c3462b75bd08 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c
@@ -464,8 +464,6 @@ static struct sdio_driver brcmf_sdmmc_driver = {
static int brcmf_sdio_pd_probe(struct platform_device *pdev)
{
- int ret;
-
brcmf_dbg(SDIO, "Enter\n");
brcmfmac_sdio_pdata = pdev->dev.platform_data;
@@ -473,11 +471,7 @@ static int brcmf_sdio_pd_probe(struct platform_device *pdev)
if (brcmfmac_sdio_pdata->power_on)
brcmfmac_sdio_pdata->power_on();
- ret = sdio_register_driver(&brcmf_sdmmc_driver);
- if (ret)
- brcmf_err("sdio_register_driver failed: %d\n", ret);
-
- return ret;
+ return 0;
}
static int brcmf_sdio_pd_remove(struct platform_device *pdev)
@@ -500,6 +494,15 @@ static struct platform_driver brcmf_sdio_pd = {
}
};
+void brcmf_sdio_register(void)
+{
+ int ret;
+
+ ret = sdio_register_driver(&brcmf_sdmmc_driver);
+ if (ret)
+ brcmf_err("sdio_register_driver failed: %d\n", ret);
+}
+
void brcmf_sdio_exit(void)
{
brcmf_dbg(SDIO, "Enter\n");
@@ -510,18 +513,13 @@ void brcmf_sdio_exit(void)
sdio_unregister_driver(&brcmf_sdmmc_driver);
}
-void brcmf_sdio_init(void)
+void __init brcmf_sdio_init(void)
{
int ret;
brcmf_dbg(SDIO, "Enter\n");
ret = platform_driver_probe(&brcmf_sdio_pd, brcmf_sdio_pd_probe);
- if (ret == -ENODEV) {
- brcmf_dbg(SDIO, "No platform data available, registering without.\n");
- ret = sdio_register_driver(&brcmf_sdmmc_driver);
- }
-
- if (ret)
- brcmf_err("driver registration failed: %d\n", ret);
+ if (ret == -ENODEV)
+ brcmf_dbg(SDIO, "No platform data available.\n");
}
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
index f7c1985844e4..74156f84180c 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_bus.h
@@ -156,10 +156,11 @@ extern int brcmf_bus_start(struct device *dev);
#ifdef CONFIG_BRCMFMAC_SDIO
extern void brcmf_sdio_exit(void);
extern void brcmf_sdio_init(void);
+extern void brcmf_sdio_register(void);
#endif
#ifdef CONFIG_BRCMFMAC_USB
extern void brcmf_usb_exit(void);
-extern void brcmf_usb_init(void);
+extern void brcmf_usb_register(void);
#endif
#endif /* _BRCMF_BUS_H_ */
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
index e067aec1fbf1..40e7f854e10f 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_linux.c
@@ -1231,21 +1231,23 @@ u32 brcmf_get_chip_info(struct brcmf_if *ifp)
return bus->chip << 4 | bus->chiprev;
}
-static void brcmf_driver_init(struct work_struct *work)
+static void brcmf_driver_register(struct work_struct *work)
{
- brcmf_debugfs_init();
-
#ifdef CONFIG_BRCMFMAC_SDIO
- brcmf_sdio_init();
+ brcmf_sdio_register();
#endif
#ifdef CONFIG_BRCMFMAC_USB
- brcmf_usb_init();
+ brcmf_usb_register();
#endif
}
-static DECLARE_WORK(brcmf_driver_work, brcmf_driver_init);
+static DECLARE_WORK(brcmf_driver_work, brcmf_driver_register);
static int __init brcmfmac_module_init(void)
{
+ brcmf_debugfs_init();
+#ifdef CONFIG_BRCMFMAC_SDIO
+ brcmf_sdio_init();
+#endif
if (!schedule_work(&brcmf_driver_work))
return -EBUSY;
diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
index 39e01a7c8556..f4aea47e0730 100644
--- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c
+++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c
@@ -1539,7 +1539,7 @@ void brcmf_usb_exit(void)
brcmf_release_fw(&fw_image_list);
}
-void brcmf_usb_init(void)
+void brcmf_usb_register(void)
{
brcmf_dbg(USB, "Enter\n");
INIT_LIST_HEAD(&fw_image_list);
diff --git a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
index 3a6544710c8a..edc5d105ff98 100644
--- a/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
+++ b/drivers/net/wireless/brcm80211/brcmsmac/mac80211_if.c
@@ -457,6 +457,8 @@ static int brcms_ops_start(struct ieee80211_hw *hw)
if (err != 0)
brcms_err(wl->wlc->hw->d11core, "%s: brcms_up() returned %d\n",
__func__, err);
+
+ bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, true);
return err;
}
@@ -479,6 +481,8 @@ static void brcms_ops_stop(struct ieee80211_hw *hw)
return;
}
+ bcma_core_pci_power_save(wl->wlc->hw->d11core->bus, false);
+
/* put driver in down state */
spin_lock_bh(&wl->lock);
brcms_down(wl);
diff --git a/drivers/net/wireless/cw1200/cw1200_spi.c b/drivers/net/wireless/cw1200/cw1200_spi.c
index f5e6b489ed32..899cad34ccd3 100644
--- a/drivers/net/wireless/cw1200/cw1200_spi.c
+++ b/drivers/net/wireless/cw1200/cw1200_spi.c
@@ -42,7 +42,6 @@ struct hwbus_priv {
spinlock_t lock; /* Serialize all bus operations */
wait_queue_head_t wq;
int claimed;
- int irq_disabled;
};
#define SDIO_TO_SPI_ADDR(addr) ((addr & 0x1f)>>2)
@@ -238,8 +237,6 @@ static irqreturn_t cw1200_spi_irq_handler(int irq, void *dev_id)
struct hwbus_priv *self = dev_id;
if (self->core) {
- disable_irq_nosync(self->func->irq);
- self->irq_disabled = 1;
cw1200_irq_handler(self->core);
return IRQ_HANDLED;
} else {
@@ -253,9 +250,10 @@ static int cw1200_spi_irq_subscribe(struct hwbus_priv *self)
pr_debug("SW IRQ subscribe\n");
- ret = request_any_context_irq(self->func->irq, cw1200_spi_irq_handler,
- IRQF_TRIGGER_HIGH,
- "cw1200_wlan_irq", self);
+ ret = request_threaded_irq(self->func->irq, NULL,
+ cw1200_spi_irq_handler,
+ IRQF_TRIGGER_HIGH | IRQF_ONESHOT,
+ "cw1200_wlan_irq", self);
if (WARN_ON(ret < 0))
goto exit;
@@ -273,22 +271,13 @@ exit:
static int cw1200_spi_irq_unsubscribe(struct hwbus_priv *self)
{
+ int ret = 0;
+
pr_debug("SW IRQ unsubscribe\n");
disable_irq_wake(self->func->irq);
free_irq(self->func->irq, self);
- return 0;
-}
-
-static int cw1200_spi_irq_enable(struct hwbus_priv *self, int enable)
-{
- /* Disables are handled by the interrupt handler */
- if (enable && self->irq_disabled) {
- enable_irq(self->func->irq);
- self->irq_disabled = 0;
- }
-
- return 0;
+ return ret;
}
static int cw1200_spi_off(const struct cw1200_platform_data_spi *pdata)
@@ -368,7 +357,6 @@ static struct hwbus_ops cw1200_spi_hwbus_ops = {
.unlock = cw1200_spi_unlock,
.align_size = cw1200_spi_align_size,
.power_mgmt = cw1200_spi_pm,
- .irq_enable = cw1200_spi_irq_enable,
};
/* Probe Function to be called by SPI stack when device is discovered */
diff --git a/drivers/net/wireless/cw1200/fwio.c b/drivers/net/wireless/cw1200/fwio.c
index 0b2061bbc68b..acdff0f7f952 100644
--- a/drivers/net/wireless/cw1200/fwio.c
+++ b/drivers/net/wireless/cw1200/fwio.c
@@ -485,7 +485,7 @@ int cw1200_load_firmware(struct cw1200_common *priv)
/* Enable interrupt signalling */
priv->hwbus_ops->lock(priv->hwbus_priv);
- ret = __cw1200_irq_enable(priv, 2);
+ ret = __cw1200_irq_enable(priv, 1);
priv->hwbus_ops->unlock(priv->hwbus_priv);
if (ret < 0)
goto unsubscribe;
diff --git a/drivers/net/wireless/cw1200/hwbus.h b/drivers/net/wireless/cw1200/hwbus.h
index 51dfb3a90735..8b2fc831c3de 100644
--- a/drivers/net/wireless/cw1200/hwbus.h
+++ b/drivers/net/wireless/cw1200/hwbus.h
@@ -28,7 +28,6 @@ struct hwbus_ops {
void (*unlock)(struct hwbus_priv *self);
size_t (*align_size)(struct hwbus_priv *self, size_t size);
int (*power_mgmt)(struct hwbus_priv *self, bool suspend);
- int (*irq_enable)(struct hwbus_priv *self, int enable);
};
#endif /* CW1200_HWBUS_H */
diff --git a/drivers/net/wireless/cw1200/hwio.c b/drivers/net/wireless/cw1200/hwio.c
index 41bd7615ccaa..ff230b7aeedd 100644
--- a/drivers/net/wireless/cw1200/hwio.c
+++ b/drivers/net/wireless/cw1200/hwio.c
@@ -273,21 +273,6 @@ int __cw1200_irq_enable(struct cw1200_common *priv, int enable)
u16 val16;
int ret;
- /* We need to do this hack because the SPI layer can sleep on I/O
- and the general path involves I/O to the device in interrupt
- context.
-
- However, the initial enable call needs to go to the hardware.
-
- We don't worry about shutdown because we do a full reset which
- clears the interrupt enabled bits.
- */
- if (priv->hwbus_ops->irq_enable) {
- ret = priv->hwbus_ops->irq_enable(priv->hwbus_priv, enable);
- if (ret || enable < 2)
- return ret;
- }
-
if (HIF_8601_SILICON == priv->hw_type) {
ret = __cw1200_reg_read_32(priv, ST90TDS_CONFIG_REG_ID, &val32);
if (ret < 0) {
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.c b/drivers/net/wireless/mwifiex/11n_aggr.c
index 21c688264708..1214c587fd08 100644
--- a/drivers/net/wireless/mwifiex/11n_aggr.c
+++ b/drivers/net/wireless/mwifiex/11n_aggr.c
@@ -150,7 +150,7 @@ mwifiex_11n_form_amsdu_txpd(struct mwifiex_private *priv,
*/
int
mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
- struct mwifiex_ra_list_tbl *pra_list, int headroom,
+ struct mwifiex_ra_list_tbl *pra_list,
int ptrindex, unsigned long ra_list_flags)
__releases(&priv->wmm.ra_list_spinlock)
{
@@ -160,6 +160,7 @@ mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
int pad = 0, ret;
struct mwifiex_tx_param tx_param;
struct txpd *ptx_pd = NULL;
+ int headroom = adapter->iface_type == MWIFIEX_USB ? 0 : INTF_HEADER_LEN;
skb_src = skb_peek(&pra_list->skb_head);
if (!skb_src) {
diff --git a/drivers/net/wireless/mwifiex/11n_aggr.h b/drivers/net/wireless/mwifiex/11n_aggr.h
index 900e1c62a0cc..892098d6a696 100644
--- a/drivers/net/wireless/mwifiex/11n_aggr.h
+++ b/drivers/net/wireless/mwifiex/11n_aggr.h
@@ -26,7 +26,7 @@
int mwifiex_11n_deaggregate_pkt(struct mwifiex_private *priv,
struct sk_buff *skb);
int mwifiex_11n_aggregate_pkt(struct mwifiex_private *priv,
- struct mwifiex_ra_list_tbl *ptr, int headroom,
+ struct mwifiex_ra_list_tbl *ptr,
int ptr_index, unsigned long flags)
__releases(&priv->wmm.ra_list_spinlock);
diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c
index 2d761477d15e..a6c46f3b6e3a 100644
--- a/drivers/net/wireless/mwifiex/cmdevt.c
+++ b/drivers/net/wireless/mwifiex/cmdevt.c
@@ -1155,7 +1155,7 @@ int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
uint32_t conditions = le32_to_cpu(phs_cfg->params.hs_config.conditions);
if (phs_cfg->action == cpu_to_le16(HS_ACTIVATE) &&
- adapter->iface_type == MWIFIEX_SDIO) {
+ adapter->iface_type != MWIFIEX_USB) {
mwifiex_hs_activated_event(priv, true);
return 0;
} else {
@@ -1167,8 +1167,7 @@ int mwifiex_ret_802_11_hs_cfg(struct mwifiex_private *priv,
}
if (conditions != HS_CFG_CANCEL) {
adapter->is_hs_configured = true;
- if (adapter->iface_type == MWIFIEX_USB ||
- adapter->iface_type == MWIFIEX_PCIE)
+ if (adapter->iface_type == MWIFIEX_USB)
mwifiex_hs_activated_event(priv, true);
} else {
adapter->is_hs_configured = false;
diff --git a/drivers/net/wireless/mwifiex/usb.c b/drivers/net/wireless/mwifiex/usb.c
index 2472d4b7f00e..1c70b8d09227 100644
--- a/drivers/net/wireless/mwifiex/usb.c
+++ b/drivers/net/wireless/mwifiex/usb.c
@@ -447,9 +447,6 @@ static int mwifiex_usb_suspend(struct usb_interface *intf, pm_message_t message)
*/
adapter->is_suspended = true;
- for (i = 0; i < adapter->priv_num; i++)
- netif_carrier_off(adapter->priv[i]->netdev);
-
if (atomic_read(&card->rx_cmd_urb_pending) && card->rx_cmd.urb)
usb_kill_urb(card->rx_cmd.urb);
@@ -509,10 +506,6 @@ static int mwifiex_usb_resume(struct usb_interface *intf)
MWIFIEX_RX_CMD_BUF_SIZE);
}
- for (i = 0; i < adapter->priv_num; i++)
- if (adapter->priv[i]->media_connected)
- netif_carrier_on(adapter->priv[i]->netdev);
-
/* Disable Host Sleep */
if (adapter->hs_activated)
mwifiex_cancel_hs(mwifiex_get_priv(adapter,
diff --git a/drivers/net/wireless/mwifiex/wmm.c b/drivers/net/wireless/mwifiex/wmm.c
index 2e8f9cdea54d..95fa3599b407 100644
--- a/drivers/net/wireless/mwifiex/wmm.c
+++ b/drivers/net/wireless/mwifiex/wmm.c
@@ -1239,8 +1239,7 @@ mwifiex_dequeue_tx_packet(struct mwifiex_adapter *adapter)
if (enable_tx_amsdu && mwifiex_is_amsdu_allowed(priv, tid) &&
mwifiex_is_11n_aggragation_possible(priv, ptr,
adapter->tx_buf_size))
- mwifiex_11n_aggregate_pkt(priv, ptr, INTF_HEADER_LEN,
- ptr_index, flags);
+ mwifiex_11n_aggregate_pkt(priv, ptr, ptr_index, flags);
/* ra_list_spinlock has been freed in
mwifiex_11n_aggregate_pkt() */
else
diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
index b9deef66cf4b..e328d3058c41 100644
--- a/drivers/net/wireless/p54/p54usb.c
+++ b/drivers/net/wireless/p54/p54usb.c
@@ -83,6 +83,7 @@ static struct usb_device_id p54u_table[] = {
{USB_DEVICE(0x06a9, 0x000e)}, /* Westell 802.11g USB (A90-211WG-01) */
{USB_DEVICE(0x06b9, 0x0121)}, /* Thomson SpeedTouch 121g */
{USB_DEVICE(0x0707, 0xee13)}, /* SMC 2862W-G version 2 */
+ {USB_DEVICE(0x07aa, 0x0020)}, /* Corega WLUSB2GTST USB */
{USB_DEVICE(0x0803, 0x4310)}, /* Zoom 4410a */
{USB_DEVICE(0x083a, 0x4521)}, /* Siemens Gigaset USB Adapter 54 version 2 */
{USB_DEVICE(0x083a, 0x4531)}, /* T-Com Sinus 154 data II */
@@ -979,6 +980,7 @@ static int p54u_load_firmware(struct ieee80211_hw *dev,
if (err) {
dev_err(&priv->udev->dev, "(p54usb) cannot load firmware %s "
"(%d)!\n", p54u_fwlist[i].fw, err);
+ usb_put_dev(udev);
}
return err;
diff --git a/drivers/net/wireless/rtlwifi/wifi.h b/drivers/net/wireless/rtlwifi/wifi.h
index cc03e7c87cbe..703258742d28 100644
--- a/drivers/net/wireless/rtlwifi/wifi.h
+++ b/drivers/net/wireless/rtlwifi/wifi.h
@@ -2057,7 +2057,7 @@ struct rtl_priv {
that it points to the data allocated
beyond this structure like:
rtl_pci_priv or rtl_usb_priv */
- u8 priv[0];
+ u8 priv[0] __aligned(sizeof(void *));
};
#define rtl_priv(hw) (((struct rtl_priv *)(hw)->priv))
diff --git a/drivers/net/xen-netback/xenbus.c b/drivers/net/xen-netback/xenbus.c
index a53782ef1540..b45bce20ad76 100644
--- a/drivers/net/xen-netback/xenbus.c
+++ b/drivers/net/xen-netback/xenbus.c
@@ -24,6 +24,12 @@
struct backend_info {
struct xenbus_device *dev;
struct xenvif *vif;
+
+ /* This is the state that will be reflected in xenstore when any
+ * active hotplug script completes.
+ */
+ enum xenbus_state state;
+
enum xenbus_state frontend_state;
struct xenbus_watch hotplug_status_watch;
u8 have_hotplug_status_watch:1;
@@ -136,6 +142,8 @@ static int netback_probe(struct xenbus_device *dev,
if (err)
goto fail;
+ be->state = XenbusStateInitWait;
+
/* This kicks hotplug scripts, so do it immediately. */
backend_create_xenvif(be);
@@ -208,24 +216,113 @@ static void backend_create_xenvif(struct backend_info *be)
kobject_uevent(&dev->dev.kobj, KOBJ_ONLINE);
}
-
-static void disconnect_backend(struct xenbus_device *dev)
+static void backend_disconnect(struct backend_info *be)
{
- struct backend_info *be = dev_get_drvdata(&dev->dev);
-
if (be->vif)
xenvif_disconnect(be->vif);
}
-static void destroy_backend(struct xenbus_device *dev)
+static void backend_connect(struct backend_info *be)
{
- struct backend_info *be = dev_get_drvdata(&dev->dev);
+ if (be->vif)
+ connect(be);
+}
- if (be->vif) {
- kobject_uevent(&dev->dev.kobj, KOBJ_OFFLINE);
- xenbus_rm(XBT_NIL, dev->nodename, "hotplug-status");
- xenvif_free(be->vif);
- be->vif = NULL;
+static inline void backend_switch_state(struct backend_info *be,
+ enum xenbus_state state)
+{
+ struct xenbus_device *dev = be->dev;
+
+ pr_debug("%s -> %s\n", dev->nodename, xenbus_strstate(state));
+ be->state = state;
+
+ /* If we are waiting for a hotplug script then defer the
+ * actual xenbus state change.
+ */
+ if (!be->have_hotplug_status_watch)
+ xenbus_switch_state(dev, state);
+}
+
+/* Handle backend state transitions:
+ *
+ * The backend state starts in InitWait and the following transitions are
+ * allowed.
+ *
+ * InitWait -> Connected
+ *
+ * ^ \ |
+ * | \ |
+ * | \ |
+ * | \ |
+ * | \ |
+ * | \ |
+ * | V V
+ *
+ * Closed <-> Closing
+ *
+ * The state argument specifies the eventual state of the backend and the
+ * function transitions to that state via the shortest path.
+ */
+static void set_backend_state(struct backend_info *be,
+ enum xenbus_state state)
+{
+ while (be->state != state) {
+ switch (be->state) {
+ case XenbusStateClosed:
+ switch (state) {
+ case XenbusStateInitWait:
+ case XenbusStateConnected:
+ pr_info("%s: prepare for reconnect\n",
+ be->dev->nodename);
+ backend_switch_state(be, XenbusStateInitWait);
+ break;
+ case XenbusStateClosing:
+ backend_switch_state(be, XenbusStateClosing);
+ break;
+ default:
+ BUG();
+ }
+ break;
+ case XenbusStateInitWait:
+ switch (state) {
+ case XenbusStateConnected:
+ backend_connect(be);
+ backend_switch_state(be, XenbusStateConnected);
+ break;
+ case XenbusStateClosing:
+ case XenbusStateClosed:
+ backend_switch_state(be, XenbusStateClosing);
+ break;
+ default:
+ BUG();
+ }
+ break;
+ case XenbusStateConnected:
+ switch (state) {
+ case XenbusStateInitWait:
+ case XenbusStateClosing:
+ case XenbusStateClosed:
+ backend_disconnect(be);
+ backend_switch_state(be, XenbusStateClosing);
+ break;
+ default:
+ BUG();
+ }
+ break;
+ case XenbusStateClosing:
+ switch (state) {
+ case XenbusStateInitWait:
+ case XenbusStateConnected:
+ case XenbusStateClosed:
+ backend_switch_state(be, XenbusStateClosed);
+ break;
+ default:
+ BUG();
+ }
+ break;
+ default:
+ BUG();
+ }
}
}
@@ -237,40 +334,33 @@ static void frontend_changed(struct xenbus_device *dev,
{
struct backend_info *be = dev_get_drvdata(&dev->dev);
- pr_debug("frontend state %s\n", xenbus_strstate(frontend_state));
+ pr_debug("%s -> %s\n", dev->otherend, xenbus_strstate(frontend_state));
be->frontend_state = frontend_state;
switch (frontend_state) {
case XenbusStateInitialising:
- if (dev->state == XenbusStateClosed) {
- pr_info("%s: prepare for reconnect\n", dev->nodename);
- xenbus_switch_state(dev, XenbusStateInitWait);
- }
+ set_backend_state(be, XenbusStateInitWait);
break;
case XenbusStateInitialised:
break;
case XenbusStateConnected:
- if (dev->state == XenbusStateConnected)
- break;
- if (be->vif)
- connect(be);
+ set_backend_state(be, XenbusStateConnected);
break;
case XenbusStateClosing:
- disconnect_backend(dev);
- xenbus_switch_state(dev, XenbusStateClosing);
+ set_backend_state(be, XenbusStateClosing);
break;
case XenbusStateClosed:
- xenbus_switch_state(dev, XenbusStateClosed);
+ set_backend_state(be, XenbusStateClosed);
if (xenbus_dev_is_online(dev))
break;
- destroy_backend(dev);
/* fall through if not online */
case XenbusStateUnknown:
+ set_backend_state(be, XenbusStateClosed);
device_unregister(&dev->dev);
break;
@@ -363,7 +453,9 @@ static void hotplug_status_changed(struct xenbus_watch *watch,
if (IS_ERR(str))
return;
if (len == sizeof("connected")-1 && !memcmp(str, "connected", len)) {
- xenbus_switch_state(be->dev, XenbusStateConnected);
+ /* Complete any pending state change */
+ xenbus_switch_state(be->dev, be->state);
+
/* Not interested in this watch anymore. */
unregister_hotplug_status_watch(be);
}
@@ -393,12 +485,8 @@ static void connect(struct backend_info *be)
err = xenbus_watch_pathfmt(dev, &be->hotplug_status_watch,
hotplug_status_changed,
"%s/%s", dev->nodename, "hotplug-status");
- if (err) {
- /* Switch now, since we can't do a watch. */
- xenbus_switch_state(dev, XenbusStateConnected);
- } else {
+ if (!err)
be->have_hotplug_status_watch = 1;
- }
netif_wake_queue(be->vif->dev);
}
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index e8ccf6c0f08a..bdd64b1b4817 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1155,8 +1155,14 @@ static void pci_enable_bridge(struct pci_dev *dev)
pci_enable_bridge(dev->bus->self);
- if (pci_is_enabled(dev))
+ if (pci_is_enabled(dev)) {
+ if (!dev->is_busmaster) {
+ dev_warn(&dev->dev, "driver skip pci_set_master, fix it!\n");
+ pci_set_master(dev);
+ }
return;
+ }
+
retval = pci_enable_device(dev);
if (retval)
dev_err(&dev->dev, "Error enabling bridge (%d), continuing\n",
diff --git a/drivers/pinctrl/pinconf.c b/drivers/pinctrl/pinconf.c
index a138965c01cb..b8fcc38c0d11 100644
--- a/drivers/pinctrl/pinconf.c
+++ b/drivers/pinctrl/pinconf.c
@@ -490,7 +490,7 @@ exit:
* <devicename> <state> <pinname> are values that should match the pinctrl-maps
* <newvalue> reflects the new config and is driver dependant
*/
-static int pinconf_dbg_config_write(struct file *file,
+static ssize_t pinconf_dbg_config_write(struct file *file,
const char __user *user_buf, size_t count, loff_t *ppos)
{
struct pinctrl_maps *maps_node;
@@ -508,7 +508,7 @@ static int pinconf_dbg_config_write(struct file *file,
int i;
/* Get userspace string and assure termination */
- buf_size = min(count, (size_t)(sizeof(buf)-1));
+ buf_size = min(count, sizeof(buf) - 1);
if (copy_from_user(buf, user_buf, buf_size))
return -EFAULT;
buf[buf_size] = 0;
diff --git a/drivers/pinctrl/pinctrl-exynos.c b/drivers/pinctrl/pinctrl-exynos.c
index 2689f8d01a1e..155b1b3a0e7a 100644
--- a/drivers/pinctrl/pinctrl-exynos.c
+++ b/drivers/pinctrl/pinctrl-exynos.c
@@ -663,18 +663,18 @@ static void exynos_pinctrl_resume(struct samsung_pinctrl_drv_data *drvdata)
/* pin banks of s5pv210 pin-controller */
static struct samsung_pin_bank s5pv210_pin_bank[] = {
EXYNOS_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
- EXYNOS_PIN_BANK_EINTG(6, 0x020, "gpa1", 0x04),
+ EXYNOS_PIN_BANK_EINTG(4, 0x020, "gpa1", 0x04),
EXYNOS_PIN_BANK_EINTG(8, 0x040, "gpb", 0x08),
EXYNOS_PIN_BANK_EINTG(5, 0x060, "gpc0", 0x0c),
EXYNOS_PIN_BANK_EINTG(5, 0x080, "gpc1", 0x10),
EXYNOS_PIN_BANK_EINTG(4, 0x0a0, "gpd0", 0x14),
- EXYNOS_PIN_BANK_EINTG(4, 0x0c0, "gpd1", 0x18),
- EXYNOS_PIN_BANK_EINTG(5, 0x0e0, "gpe0", 0x1c),
- EXYNOS_PIN_BANK_EINTG(8, 0x100, "gpe1", 0x20),
- EXYNOS_PIN_BANK_EINTG(6, 0x120, "gpf0", 0x24),
+ EXYNOS_PIN_BANK_EINTG(6, 0x0c0, "gpd1", 0x18),
+ EXYNOS_PIN_BANK_EINTG(8, 0x0e0, "gpe0", 0x1c),
+ EXYNOS_PIN_BANK_EINTG(5, 0x100, "gpe1", 0x20),
+ EXYNOS_PIN_BANK_EINTG(8, 0x120, "gpf0", 0x24),
EXYNOS_PIN_BANK_EINTG(8, 0x140, "gpf1", 0x28),
EXYNOS_PIN_BANK_EINTG(8, 0x160, "gpf2", 0x2c),
- EXYNOS_PIN_BANK_EINTG(8, 0x180, "gpf3", 0x30),
+ EXYNOS_PIN_BANK_EINTG(6, 0x180, "gpf3", 0x30),
EXYNOS_PIN_BANK_EINTG(7, 0x1a0, "gpg0", 0x34),
EXYNOS_PIN_BANK_EINTG(7, 0x1c0, "gpg1", 0x38),
EXYNOS_PIN_BANK_EINTG(7, 0x1e0, "gpg2", 0x3c),
diff --git a/drivers/pinctrl/pinctrl-palmas.c b/drivers/pinctrl/pinctrl-palmas.c
index 82638fac3cfa..30c4d356cb33 100644
--- a/drivers/pinctrl/pinctrl-palmas.c
+++ b/drivers/pinctrl/pinctrl-palmas.c
@@ -891,9 +891,10 @@ static int palmas_pinconf_set(struct pinctrl_dev *pctldev,
param = pinconf_to_config_param(configs[i]);
param_val = pinconf_to_config_argument(configs[i]);
+ if (param == PIN_CONFIG_BIAS_PULL_PIN_DEFAULT)
+ continue;
+
switch (param) {
- case PIN_CONFIG_BIAS_PULL_PIN_DEFAULT:
- return 0;
case PIN_CONFIG_BIAS_DISABLE:
case PIN_CONFIG_BIAS_PULL_UP:
case PIN_CONFIG_BIAS_PULL_DOWN:
diff --git a/drivers/pinctrl/pinctrl-tegra114.c b/drivers/pinctrl/pinctrl-tegra114.c
index 622c4854977e..93c9e3899d5e 100644
--- a/drivers/pinctrl/pinctrl-tegra114.c
+++ b/drivers/pinctrl/pinctrl-tegra114.c
@@ -3,7 +3,7 @@
*
* Copyright (c) 2012-2013, NVIDIA CORPORATION. All rights reserved.
*
- * Arthur: Pritesh Raithatha <praithatha@nvidia.com>
+ * Author: Pritesh Raithatha <praithatha@nvidia.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -2763,7 +2763,6 @@ static struct platform_driver tegra114_pinctrl_driver = {
};
module_platform_driver(tegra114_pinctrl_driver);
-MODULE_ALIAS("platform:tegra114-pinctrl");
MODULE_AUTHOR("Pritesh Raithatha <praithatha@nvidia.com>");
-MODULE_DESCRIPTION("NVIDIA Tegra114 pincontrol driver");
+MODULE_DESCRIPTION("NVIDIA Tegra114 pinctrl driver");
MODULE_LICENSE("GPL v2");
diff --git a/drivers/regulator/da9063-regulator.c b/drivers/regulator/da9063-regulator.c
index 1a7816390773..b9f2653e4ef9 100644
--- a/drivers/regulator/da9063-regulator.c
+++ b/drivers/regulator/da9063-regulator.c
@@ -709,7 +709,7 @@ static struct da9063_regulators_pdata *da9063_parse_regulators_dt(
struct of_regulator_match **da9063_reg_matches)
{
da9063_reg_matches = NULL;
- return PTR_ERR(-ENODEV);
+ return ERR_PTR(-ENODEV);
}
#endif
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index 488dfe7ce9a6..7e2b165972e6 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -201,13 +201,7 @@ static unsigned int palmas_smps_ramp_delay[4] = {0, 10000, 5000, 2500};
#define SMPS_CTRL_MODE_ECO 0x02
#define SMPS_CTRL_MODE_PWM 0x03
-/* These values are derived from the data sheet. And are the number of steps
- * where there is a voltage change, the ranges at beginning and end of register
- * max/min values where there are no change are ommitted.
- *
- * So they are basically (maxV-minV)/stepV
- */
-#define PALMAS_SMPS_NUM_VOLTAGES 117
+#define PALMAS_SMPS_NUM_VOLTAGES 122
#define PALMAS_SMPS10_NUM_VOLTAGES 2
#define PALMAS_LDO_NUM_VOLTAGES 50
@@ -979,6 +973,7 @@ static int palmas_regulators_probe(struct platform_device *pdev)
pmic->desc[id].min_uV = 900000;
pmic->desc[id].uV_step = 50000;
pmic->desc[id].linear_min_sel = 1;
+ pmic->desc[id].enable_time = 500;
pmic->desc[id].vsel_reg =
PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
palmas_regs_info[id].vsel_addr);
@@ -997,6 +992,11 @@ static int palmas_regulators_probe(struct platform_device *pdev)
pmic->desc[id].min_uV = 450000;
pmic->desc[id].uV_step = 25000;
}
+
+ /* LOD6 in vibrator mode will have enable time 2000us */
+ if (pdata && pdata->ldo6_vibrator &&
+ (id == PALMAS_REG_LDO6))
+ pmic->desc[id].enable_time = 2000;
} else {
pmic->desc[id].n_voltages = 1;
pmic->desc[id].ops = &palmas_ops_extreg;
diff --git a/drivers/regulator/ti-abb-regulator.c b/drivers/regulator/ti-abb-regulator.c
index d8e3e1262bc2..20c271d49dcb 100644
--- a/drivers/regulator/ti-abb-regulator.c
+++ b/drivers/regulator/ti-abb-regulator.c
@@ -279,8 +279,12 @@ static int ti_abb_set_opp(struct regulator_dev *rdev, struct ti_abb *abb,
ti_abb_rmw(regs->opp_sel_mask, info->opp_sel, regs->control_reg,
abb->base);
- /* program LDO VBB vset override if needed */
- if (abb->ldo_base)
+ /*
+ * program LDO VBB vset override if needed for !bypass mode
+ * XXX: Do not switch sequence - for !bypass, LDO override reset *must*
+ * be performed *before* switch to bias mode else VBB glitches.
+ */
+ if (abb->ldo_base && info->opp_sel != TI_ABB_NOMINAL_OPP)
ti_abb_program_ldovbb(dev, abb, info);
/* Initiate ABB ldo change */
@@ -295,6 +299,14 @@ static int ti_abb_set_opp(struct regulator_dev *rdev, struct ti_abb *abb,
if (ret)
goto out;
+ /*
+ * Reset LDO VBB vset override bypass mode
+ * XXX: Do not switch sequence - for bypass, LDO override reset *must*
+ * be performed *after* switch to bypass else VBB glitches.
+ */
+ if (abb->ldo_base && info->opp_sel == TI_ABB_NOMINAL_OPP)
+ ti_abb_program_ldovbb(dev, abb, info);
+
out:
return ret;
}
diff --git a/drivers/regulator/wm831x-ldo.c b/drivers/regulator/wm831x-ldo.c
index 1432b26ef2e9..2205fbc2c37b 100644
--- a/drivers/regulator/wm831x-ldo.c
+++ b/drivers/regulator/wm831x-ldo.c
@@ -63,7 +63,7 @@ static irqreturn_t wm831x_ldo_uv_irq(int irq, void *data)
*/
static const struct regulator_linear_range wm831x_gp_ldo_ranges[] = {
- { .min_uV = 900000, .max_uV = 1650000, .min_sel = 0, .max_sel = 14,
+ { .min_uV = 900000, .max_uV = 1600000, .min_sel = 0, .max_sel = 14,
.uV_step = 50000 },
{ .min_uV = 1700000, .max_uV = 3300000, .min_sel = 15, .max_sel = 31,
.uV_step = 100000 },
@@ -332,7 +332,7 @@ static struct platform_driver wm831x_gp_ldo_driver = {
*/
static const struct regulator_linear_range wm831x_aldo_ranges[] = {
- { .min_uV = 1000000, .max_uV = 1650000, .min_sel = 0, .max_sel = 12,
+ { .min_uV = 1000000, .max_uV = 1600000, .min_sel = 0, .max_sel = 12,
.uV_step = 50000 },
{ .min_uV = 1700000, .max_uV = 3500000, .min_sel = 13, .max_sel = 31,
.uV_step = 100000 },
diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c
index 835b5f0f344e..61ca9292a429 100644
--- a/drivers/regulator/wm8350-regulator.c
+++ b/drivers/regulator/wm8350-regulator.c
@@ -543,7 +543,7 @@ static int wm8350_dcdc_set_suspend_mode(struct regulator_dev *rdev,
}
static const struct regulator_linear_range wm8350_ldo_ranges[] = {
- { .min_uV = 900000, .max_uV = 1750000, .min_sel = 0, .max_sel = 15,
+ { .min_uV = 900000, .max_uV = 1650000, .min_sel = 0, .max_sel = 15,
.uV_step = 50000 },
{ .min_uV = 1800000, .max_uV = 3300000, .min_sel = 16, .max_sel = 31,
.uV_step = 100000 },
diff --git a/drivers/staging/imx-drm/imx-drm-core.c b/drivers/staging/imx-drm/imx-drm-core.c
index 47c5888461ff..a2e52a0c53c9 100644
--- a/drivers/staging/imx-drm/imx-drm-core.c
+++ b/drivers/staging/imx-drm/imx-drm-core.c
@@ -41,7 +41,6 @@ struct imx_drm_device {
struct list_head encoder_list;
struct list_head connector_list;
struct mutex mutex;
- int references;
int pipes;
struct drm_fbdev_cma *fbhelper;
};
@@ -241,8 +240,6 @@ struct drm_device *imx_drm_device_get(void)
}
}
- imxdrm->references++;
-
return imxdrm->drm;
unwind_crtc:
@@ -280,8 +277,6 @@ void imx_drm_device_put(void)
list_for_each_entry(enc, &imxdrm->encoder_list, list)
module_put(enc->owner);
- imxdrm->references--;
-
mutex_unlock(&imxdrm->mutex);
}
EXPORT_SYMBOL_GPL(imx_drm_device_put);
@@ -485,7 +480,7 @@ int imx_drm_add_crtc(struct drm_crtc *crtc,
mutex_lock(&imxdrm->mutex);
- if (imxdrm->references) {
+ if (imxdrm->drm->open_count) {
ret = -EBUSY;
goto err_busy;
}
@@ -564,7 +559,7 @@ int imx_drm_add_encoder(struct drm_encoder *encoder,
mutex_lock(&imxdrm->mutex);
- if (imxdrm->references) {
+ if (imxdrm->drm->open_count) {
ret = -EBUSY;
goto err_busy;
}
@@ -709,7 +704,7 @@ int imx_drm_add_connector(struct drm_connector *connector,
mutex_lock(&imxdrm->mutex);
- if (imxdrm->references) {
+ if (imxdrm->drm->open_count) {
ret = -EBUSY;
goto err_busy;
}
diff --git a/drivers/staging/lustre/lustre/obdecho/echo_client.c b/drivers/staging/lustre/lustre/obdecho/echo_client.c
index 2644edf438c1..c8b43442dc74 100644
--- a/drivers/staging/lustre/lustre/obdecho/echo_client.c
+++ b/drivers/staging/lustre/lustre/obdecho/echo_client.c
@@ -1387,7 +1387,7 @@ echo_copyout_lsm (struct lov_stripe_md *lsm, void *_ulsm, int ulsm_nob)
if (nob > ulsm_nob)
return (-EINVAL);
- if (copy_to_user (ulsm, lsm, sizeof(ulsm)))
+ if (copy_to_user (ulsm, lsm, sizeof(*ulsm)))
return (-EFAULT);
for (i = 0; i < lsm->lsm_stripe_count; i++) {
diff --git a/drivers/staging/octeon-usb/cvmx-usb.c b/drivers/staging/octeon-usb/cvmx-usb.c
index d7b3c82b5ead..45dfe94199ae 100644
--- a/drivers/staging/octeon-usb/cvmx-usb.c
+++ b/drivers/staging/octeon-usb/cvmx-usb.c
@@ -604,7 +604,7 @@ int cvmx_usb_initialize(struct cvmx_usb_state *state, int usb_port_number,
}
}
- memset(usb, 0, sizeof(usb));
+ memset(usb, 0, sizeof(*usb));
usb->init_flags = flags;
/* Initialize the USB state structure */
diff --git a/drivers/staging/rtl8188eu/core/rtw_mp.c b/drivers/staging/rtl8188eu/core/rtw_mp.c
index c7ff2e4d1f23..9832dcbbd07f 100644
--- a/drivers/staging/rtl8188eu/core/rtw_mp.c
+++ b/drivers/staging/rtl8188eu/core/rtw_mp.c
@@ -907,7 +907,7 @@ u32 mp_query_psd(struct adapter *pAdapter, u8 *data)
sscanf(data, "pts =%d, start =%d, stop =%d", &psd_pts, &psd_start, &psd_stop);
}
- _rtw_memset(data, '\0', sizeof(data));
+ _rtw_memset(data, '\0', sizeof(*data));
i = psd_start;
while (i < psd_stop) {
diff --git a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
index 9c2e7a20c09e..ec0028d4e61a 100644
--- a/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
+++ b/drivers/staging/rtl8188eu/hal/rtl8188e_dm.c
@@ -57,7 +57,7 @@ static void Init_ODM_ComInfo_88E(struct adapter *Adapter)
u8 cut_ver, fab_ver;
/* Init Value */
- _rtw_memset(dm_odm, 0, sizeof(dm_odm));
+ _rtw_memset(dm_odm, 0, sizeof(*dm_odm));
dm_odm->Adapter = Adapter;
diff --git a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
index cd4100fb3645..95953ebc0279 100644
--- a/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
+++ b/drivers/staging/rtl8188eu/os_dep/ioctl_linux.c
@@ -6973,7 +6973,7 @@ static int rtw_mp_ctx(struct net_device *dev,
stop = strncmp(extra, "stop", 4);
sscanf(extra, "count =%d, pkt", &count);
- _rtw_memset(extra, '\0', sizeof(extra));
+ _rtw_memset(extra, '\0', sizeof(*extra));
if (stop == 0) {
bStartTest = 0; /* To set Stop */
diff --git a/drivers/staging/rtl8188eu/os_dep/usb_intf.c b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
index d3078d200e50..9ca3180ebaa0 100644
--- a/drivers/staging/rtl8188eu/os_dep/usb_intf.c
+++ b/drivers/staging/rtl8188eu/os_dep/usb_intf.c
@@ -54,6 +54,7 @@ static struct usb_device_id rtw_usb_id_tbl[] = {
/*=== Customer ID ===*/
/****** 8188EUS ********/
{USB_DEVICE(0x8179, 0x07B8)}, /* Abocom - Abocom */
+ {USB_DEVICE(0x2001, 0x330F)}, /* DLink DWA-125 REV D1 */
{} /* Terminating entry */
};
diff --git a/drivers/staging/rtl8192u/r819xU_cmdpkt.c b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
index 5bc361b16d4c..56144014b7c9 100644
--- a/drivers/staging/rtl8192u/r819xU_cmdpkt.c
+++ b/drivers/staging/rtl8192u/r819xU_cmdpkt.c
@@ -37,6 +37,8 @@ rt_status SendTxCommandPacket(struct net_device *dev, void *pData, u32 DataLen)
/* Get TCB and local buffer from common pool.
(It is shared by CmdQ, MgntQ, and USB coalesce DataQ) */
skb = dev_alloc_skb(USB_HWDESC_HEADER_LEN + DataLen + 4);
+ if (!skb)
+ return RT_STATUS_FAILURE;
memcpy((unsigned char *)(skb->cb), &dev, sizeof(dev));
tcb_desc = (cb_desc *)(skb->cb + MAX_DEV_ADDR_SIZE);
tcb_desc->queue_index = TXCMD_QUEUE;
diff --git a/drivers/staging/vt6656/iwctl.c b/drivers/staging/vt6656/iwctl.c
index d0cf7d8a20e5..8872e0f84f40 100644
--- a/drivers/staging/vt6656/iwctl.c
+++ b/drivers/staging/vt6656/iwctl.c
@@ -1634,6 +1634,9 @@ int iwctl_siwencodeext(struct net_device *dev, struct iw_request_info *info,
if (pMgmt == NULL)
return -EFAULT;
+ if (!(pDevice->flags & DEVICE_FLAGS_OPENED))
+ return -ENODEV;
+
buf = kzalloc(sizeof(struct viawget_wpa_param), GFP_KERNEL);
if (buf == NULL)
return -ENOMEM;
diff --git a/drivers/staging/vt6656/main_usb.c b/drivers/staging/vt6656/main_usb.c
index 536971786ae8..6f9d28182445 100644
--- a/drivers/staging/vt6656/main_usb.c
+++ b/drivers/staging/vt6656/main_usb.c
@@ -1098,6 +1098,8 @@ static int device_close(struct net_device *dev)
memset(pMgmt->abyCurrBSSID, 0, 6);
pMgmt->eCurrState = WMAC_STATE_IDLE;
+ pDevice->flags &= ~DEVICE_FLAGS_OPENED;
+
device_free_tx_bufs(pDevice);
device_free_rx_bufs(pDevice);
device_free_int_bufs(pDevice);
@@ -1109,7 +1111,6 @@ static int device_close(struct net_device *dev)
usb_free_urb(pDevice->pInterruptURB);
BSSvClearNodeDBTable(pDevice, 0);
- pDevice->flags &=(~DEVICE_FLAGS_OPENED);
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "device_close2 \n");
diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c
index fb743a8811bb..14f3e852215d 100644
--- a/drivers/staging/vt6656/rxtx.c
+++ b/drivers/staging/vt6656/rxtx.c
@@ -148,6 +148,8 @@ static void *s_vGetFreeContext(struct vnt_private *pDevice)
DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"GetFreeContext()\n");
for (ii = 0; ii < pDevice->cbTD; ii++) {
+ if (!pDevice->apTD[ii])
+ return NULL;
pContext = pDevice->apTD[ii];
if (pContext->bBoolInUse == false) {
pContext->bBoolInUse = true;
diff --git a/drivers/tty/n_tty.c b/drivers/tty/n_tty.c
index c9a9ddd1d0bc..01bf5eb4f238 100644
--- a/drivers/tty/n_tty.c
+++ b/drivers/tty/n_tty.c
@@ -1758,8 +1758,7 @@ static void n_tty_set_termios(struct tty_struct *tty, struct ktermios *old)
canon_change = (old->c_lflag ^ tty->termios.c_lflag) & ICANON;
if (canon_change) {
bitmap_zero(ldata->read_flags, N_TTY_BUF_SIZE);
- ldata->line_start = 0;
- ldata->canon_head = ldata->read_tail;
+ ldata->line_start = ldata->canon_head = ldata->read_tail;
ldata->erasing = 0;
ldata->lnext = 0;
}
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index 52379e56a31e..44077c0b7670 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -667,30 +667,21 @@ static int pop_tx_x(struct eg20t_port *priv, unsigned char *buf)
static int dma_push_rx(struct eg20t_port *priv, int size)
{
- struct tty_struct *tty;
int room;
struct uart_port *port = &priv->port;
struct tty_port *tport = &port->state->port;
- port = &priv->port;
- tty = tty_port_tty_get(tport);
- if (!tty) {
- dev_dbg(priv->port.dev, "%s:tty is busy now", __func__);
- return 0;
- }
-
room = tty_buffer_request_room(tport, size);
if (room < size)
dev_warn(port->dev, "Rx overrun: dropping %u bytes\n",
size - room);
if (!room)
- return room;
+ return 0;
tty_insert_flip_string(tport, sg_virt(&priv->sg_rx), size);
port->icount.rx += room;
- tty_kref_put(tty);
return room;
}
@@ -1098,6 +1089,8 @@ static void pch_uart_err_ir(struct eg20t_port *priv, unsigned int lsr)
if (tty == NULL) {
for (i = 0; error_msg[i] != NULL; i++)
dev_err(&priv->pdev->dev, error_msg[i]);
+ } else {
+ tty_kref_put(tty);
}
}
diff --git a/drivers/tty/serial/serial-tegra.c b/drivers/tty/serial/serial-tegra.c
index d0d972f7e43e..0489a2bdcdf9 100644
--- a/drivers/tty/serial/serial-tegra.c
+++ b/drivers/tty/serial/serial-tegra.c
@@ -732,7 +732,7 @@ static irqreturn_t tegra_uart_isr(int irq, void *data)
static void tegra_uart_stop_rx(struct uart_port *u)
{
struct tegra_uart_port *tup = to_tegra_uport(u);
- struct tty_struct *tty = tty_port_tty_get(&tup->uport.state->port);
+ struct tty_struct *tty;
struct tty_port *port = &u->state->port;
struct dma_tx_state state;
unsigned long ier;
@@ -744,6 +744,8 @@ static void tegra_uart_stop_rx(struct uart_port *u)
if (!tup->rx_in_progress)
return;
+ tty = tty_port_tty_get(&tup->uport.state->port);
+
tegra_uart_wait_sym_time(tup, 1); /* wait a character interval */
ier = tup->ier_shadow;
diff --git a/drivers/tty/tty_ioctl.c b/drivers/tty/tty_ioctl.c
index 03ba081c5772..6fd60fece6b4 100644
--- a/drivers/tty/tty_ioctl.c
+++ b/drivers/tty/tty_ioctl.c
@@ -1201,6 +1201,9 @@ int n_tty_ioctl_helper(struct tty_struct *tty, struct file *file,
}
return 0;
case TCFLSH:
+ retval = tty_check_change(tty);
+ if (retval)
+ return retval;
return __tty_perform_flush(tty, arg);
default:
/* Try the mode commands */
diff --git a/drivers/usb/chipidea/Kconfig b/drivers/usb/chipidea/Kconfig
index 4a851e15e58c..77b47d82c9a6 100644
--- a/drivers/usb/chipidea/Kconfig
+++ b/drivers/usb/chipidea/Kconfig
@@ -1,6 +1,6 @@
config USB_CHIPIDEA
tristate "ChipIdea Highspeed Dual Role Controller"
- depends on (USB_EHCI_HCD && USB_GADGET) || (USB_EHCI_HCD && !USB_GADGET) || (!USB_EHCI_HCD && USB_GADGET)
+ depends on ((USB_EHCI_HCD && USB_GADGET) || (USB_EHCI_HCD && !USB_GADGET) || (!USB_EHCI_HCD && USB_GADGET)) && HAS_DMA
help
Say Y here if your system has a dual role high speed USB
controller based on ChipIdea silicon IP. Currently, only the
diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c b/drivers/usb/chipidea/ci_hdrc_imx.c
index 74d998d9b45b..be822a2c1776 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -131,7 +131,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
if (ret) {
dev_err(&pdev->dev, "usbmisc init failed, ret=%d\n",
ret);
- goto err_clk;
+ goto err_phy;
}
}
@@ -143,7 +143,7 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
dev_err(&pdev->dev,
"Can't register ci_hdrc platform device, err=%d\n",
ret);
- goto err_clk;
+ goto err_phy;
}
if (data->usbmisc_data) {
@@ -164,6 +164,9 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
disable_device:
ci_hdrc_remove_device(data->ci_pdev);
+err_phy:
+ if (data->phy)
+ usb_phy_shutdown(data->phy);
err_clk:
clk_disable_unprepare(data->clk);
return ret;
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c
index 94626409559a..23763dcec069 100644
--- a/drivers/usb/chipidea/core.c
+++ b/drivers/usb/chipidea/core.c
@@ -605,6 +605,7 @@ static int ci_hdrc_remove(struct platform_device *pdev)
dbg_remove_files(ci);
free_irq(ci->irq, ci);
ci_role_destroy(ci);
+ kfree(ci->hw_bank.regmap);
return 0;
}
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
index 6b4c2f2eb946..9333083dd111 100644
--- a/drivers/usb/chipidea/udc.c
+++ b/drivers/usb/chipidea/udc.c
@@ -1600,6 +1600,8 @@ static void destroy_eps(struct ci_hdrc *ci)
for (i = 0; i < ci->hw_ep_max; i++) {
struct ci_hw_ep *hwep = &ci->ci_hw_ep[i];
+ if (hwep->pending_td)
+ free_pending_td(hwep);
dma_pool_free(ci->qh_pool, hwep->qh.ptr, hwep->qh.dma);
}
}
@@ -1667,13 +1669,13 @@ static int ci_udc_stop(struct usb_gadget *gadget,
if (ci->platdata->notify_event)
ci->platdata->notify_event(ci,
CI_HDRC_CONTROLLER_STOPPED_EVENT);
- ci->driver = NULL;
spin_unlock_irqrestore(&ci->lock, flags);
_gadget_stop_activity(&ci->gadget);
spin_lock_irqsave(&ci->lock, flags);
pm_runtime_put(&ci->gadget.dev);
}
+ ci->driver = NULL;
spin_unlock_irqrestore(&ci->lock, flags);
return 0;
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 737e3c19967b..71dc5d768fa5 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -742,6 +742,22 @@ static int check_ctrlrecip(struct dev_state *ps, unsigned int requesttype,
if ((index & ~USB_DIR_IN) == 0)
return 0;
ret = findintfep(ps->dev, index);
+ if (ret < 0) {
+ /*
+ * Some not fully compliant Win apps seem to get
+ * index wrong and have the endpoint number here
+ * rather than the endpoint address (with the
+ * correct direction). Win does let this through,
+ * so we'll not reject it here but leave it to
+ * the device to not break KVM. But we warn.
+ */
+ ret = findintfep(ps->dev, index ^ 0x80);
+ if (ret >= 0)
+ dev_info(&ps->dev->dev,
+ "%s: process %i (%s) requesting ep %02x but needs %02x\n",
+ __func__, task_pid_nr(current),
+ current->comm, index, index ^ 0x80);
+ }
if (ret >= 0)
ret = checkintf(ps, ret);
break;
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index dde4c83516a1..e6b682c6c236 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -3426,6 +3426,9 @@ static int usb_req_set_sel(struct usb_device *udev, enum usb3_link_state state)
unsigned long long u2_pel;
int ret;
+ if (udev->state != USB_STATE_CONFIGURED)
+ return 0;
+
/* Convert SEL and PEL stored in ns to us */
u1_sel = DIV_ROUND_UP(udev->u1_params.sel, 1000);
u1_pel = DIV_ROUND_UP(udev->u1_params.pel, 1000);
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 997ebe420bc9..2e252aae51ca 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -29,6 +29,7 @@
#define PCI_VENDOR_ID_SYNOPSYS 0x16c3
#define PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3 0xabcd
#define PCI_DEVICE_ID_INTEL_BYT 0x0f37
+#define PCI_DEVICE_ID_INTEL_MRFLD 0x119e
struct dwc3_pci {
struct device *dev;
@@ -189,6 +190,7 @@ static DEFINE_PCI_DEVICE_TABLE(dwc3_pci_id_table) = {
PCI_DEVICE_ID_SYNOPSYS_HAPSUSB3),
},
{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BYT), },
+ { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_MRFLD), },
{ } /* Terminating Entry */
};
MODULE_DEVICE_TABLE(pci, dwc3_pci_id_table);
diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c
index 1a66c5baa0d1..0658908d8968 100644
--- a/drivers/usb/gadget/f_fs.c
+++ b/drivers/usb/gadget/f_fs.c
@@ -1034,37 +1034,19 @@ struct ffs_sb_fill_data {
struct ffs_file_perms perms;
umode_t root_mode;
const char *dev_name;
- union {
- /* set by ffs_fs_mount(), read by ffs_sb_fill() */
- void *private_data;
- /* set by ffs_sb_fill(), read by ffs_fs_mount */
- struct ffs_data *ffs_data;
- };
+ struct ffs_data *ffs_data;
};
static int ffs_sb_fill(struct super_block *sb, void *_data, int silent)
{
struct ffs_sb_fill_data *data = _data;
struct inode *inode;
- struct ffs_data *ffs;
+ struct ffs_data *ffs = data->ffs_data;
ENTER();
- /* Initialise data */
- ffs = ffs_data_new();
- if (unlikely(!ffs))
- goto Enomem;
-
ffs->sb = sb;
- ffs->dev_name = kstrdup(data->dev_name, GFP_KERNEL);
- if (unlikely(!ffs->dev_name))
- goto Enomem;
- ffs->file_perms = data->perms;
- ffs->private_data = data->private_data;
-
- /* used by the caller of this function */
- data->ffs_data = ffs;
-
+ data->ffs_data = NULL;
sb->s_fs_info = ffs;
sb->s_blocksize = PAGE_CACHE_SIZE;
sb->s_blocksize_bits = PAGE_CACHE_SHIFT;
@@ -1080,17 +1062,14 @@ static int ffs_sb_fill(struct super_block *sb, void *_data, int silent)
&data->perms);
sb->s_root = d_make_root(inode);
if (unlikely(!sb->s_root))
- goto Enomem;
+ return -ENOMEM;
/* EP0 file */
if (unlikely(!ffs_sb_create_file(sb, "ep0", ffs,
&ffs_ep0_operations, NULL)))
- goto Enomem;
+ return -ENOMEM;
return 0;
-
-Enomem:
- return -ENOMEM;
}
static int ffs_fs_parse_opts(struct ffs_sb_fill_data *data, char *opts)
@@ -1193,6 +1172,7 @@ ffs_fs_mount(struct file_system_type *t, int flags,
struct dentry *rv;
int ret;
void *ffs_dev;
+ struct ffs_data *ffs;
ENTER();
@@ -1200,18 +1180,30 @@ ffs_fs_mount(struct file_system_type *t, int flags,
if (unlikely(ret < 0))
return ERR_PTR(ret);
+ ffs = ffs_data_new();
+ if (unlikely(!ffs))
+ return ERR_PTR(-ENOMEM);
+ ffs->file_perms = data.perms;
+
+ ffs->dev_name = kstrdup(dev_name, GFP_KERNEL);
+ if (unlikely(!ffs->dev_name)) {
+ ffs_data_put(ffs);
+ return ERR_PTR(-ENOMEM);
+ }
+
ffs_dev = functionfs_acquire_dev_callback(dev_name);
- if (IS_ERR(ffs_dev))
- return ffs_dev;
+ if (IS_ERR(ffs_dev)) {
+ ffs_data_put(ffs);
+ return ERR_CAST(ffs_dev);
+ }
+ ffs->private_data = ffs_dev;
+ data.ffs_data = ffs;
- data.dev_name = dev_name;
- data.private_data = ffs_dev;
rv = mount_nodev(t, flags, &data, ffs_sb_fill);
-
- /* data.ffs_data is set by ffs_sb_fill */
- if (IS_ERR(rv))
+ if (IS_ERR(rv) && data.ffs_data) {
functionfs_release_dev_callback(data.ffs_data);
-
+ ffs_data_put(data.ffs_data);
+ }
return rv;
}
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index 4449f565d6c6..f2407b2e8a99 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -130,7 +130,7 @@ static int usb_hcd_fsl_probe(const struct hc_driver *driver,
}
/* Enable USB controller, 83xx or 8536 */
- if (pdata->have_sysif_regs)
+ if (pdata->have_sysif_regs && pdata->controller_ver < FSL_USB_VER_1_6)
setbits32(hcd->regs + FSL_SOC_USB_CTRL, 0x4);
/* Don't need to set host mode here. It will be done by tdi_reset() */
@@ -232,15 +232,9 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,
case FSL_USB2_PHY_ULPI:
if (pdata->have_sysif_regs && pdata->controller_ver) {
/* controller version 1.6 or above */
+ clrbits32(non_ehci + FSL_SOC_USB_CTRL, UTMI_PHY_EN);
setbits32(non_ehci + FSL_SOC_USB_CTRL,
- ULPI_PHY_CLK_SEL);
- /*
- * Due to controller issue of PHY_CLK_VALID in ULPI
- * mode, we set USB_CTRL_USB_EN before checking
- * PHY_CLK_VALID, otherwise PHY_CLK_VALID doesn't work.
- */
- clrsetbits_be32(non_ehci + FSL_SOC_USB_CTRL,
- UTMI_PHY_EN, USB_CTRL_USB_EN);
+ ULPI_PHY_CLK_SEL | USB_CTRL_USB_EN);
}
portsc |= PORT_PTS_ULPI;
break;
@@ -270,8 +264,9 @@ static int ehci_fsl_setup_phy(struct usb_hcd *hcd,
if (pdata->have_sysif_regs && pdata->controller_ver &&
(phy_mode == FSL_USB2_PHY_ULPI)) {
/* check PHY_CLK_VALID to get phy clk valid */
- if (!spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) &
- PHY_CLK_VALID, FSL_USB_PHY_CLK_TIMEOUT, 0)) {
+ if (!(spin_event_timeout(in_be32(non_ehci + FSL_SOC_USB_CTRL) &
+ PHY_CLK_VALID, FSL_USB_PHY_CLK_TIMEOUT, 0) ||
+ in_be32(non_ehci + FSL_SOC_USB_PRICTRL))) {
printk(KERN_WARNING "fsl-ehci: USB PHY clock invalid\n");
return -EINVAL;
}
diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c
index 6bd299e61f58..854c2ec7b699 100644
--- a/drivers/usb/host/ehci-pci.c
+++ b/drivers/usb/host/ehci-pci.c
@@ -361,7 +361,7 @@ static struct pci_driver ehci_pci_driver = {
.remove = usb_hcd_pci_remove,
.shutdown = usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
.driver = {
.pm = &usb_hcd_pci_pm_ops
},
diff --git a/drivers/usb/host/imx21-hcd.c b/drivers/usb/host/imx21-hcd.c
index 60a5de505ca1..adb01d950a16 100644
--- a/drivers/usb/host/imx21-hcd.c
+++ b/drivers/usb/host/imx21-hcd.c
@@ -824,13 +824,13 @@ static int imx21_hc_urb_enqueue_isoc(struct usb_hcd *hcd,
i = DIV_ROUND_UP(wrap_frame(
cur_frame - urb->start_frame),
urb->interval);
- if (urb->transfer_flags & URB_ISO_ASAP) {
+
+ /* Treat underruns as if URB_ISO_ASAP was set */
+ if ((urb->transfer_flags & URB_ISO_ASAP) ||
+ i >= urb->number_of_packets) {
urb->start_frame = wrap_frame(urb->start_frame
+ i * urb->interval);
i = 0;
- } else if (i >= urb->number_of_packets) {
- ret = -EXDEV;
- goto alloc_dmem_failed;
}
}
}
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index 8f6b695af6a4..604cad1bcf9c 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -216,31 +216,26 @@ static int ohci_urb_enqueue (
frame &= ~(ed->interval - 1);
frame |= ed->branch;
urb->start_frame = frame;
+ ed->last_iso = frame + ed->interval * (size - 1);
}
} else if (ed->type == PIPE_ISOCHRONOUS) {
u16 next = ohci_frame_no(ohci) + 1;
u16 frame = ed->last_iso + ed->interval;
+ u16 length = ed->interval * (size - 1);
/* Behind the scheduling threshold? */
if (unlikely(tick_before(frame, next))) {
- /* USB_ISO_ASAP: Round up to the first available slot */
+ /* URB_ISO_ASAP: Round up to the first available slot */
if (urb->transfer_flags & URB_ISO_ASAP) {
frame += (next - frame + ed->interval - 1) &
-ed->interval;
/*
- * Not ASAP: Use the next slot in the stream. If
- * the entire URB falls before the threshold, fail.
+ * Not ASAP: Use the next slot in the stream,
+ * no matter what.
*/
} else {
- if (tick_before(frame + ed->interval *
- (urb->number_of_packets - 1), next)) {
- retval = -EXDEV;
- usb_hcd_unlink_urb_from_ep(hcd, urb);
- goto fail;
- }
-
/*
* Some OHCI hardware doesn't handle late TDs
* correctly. After retiring them it proceeds
@@ -251,9 +246,16 @@ static int ohci_urb_enqueue (
urb_priv->td_cnt = DIV_ROUND_UP(
(u16) (next - frame),
ed->interval);
+ if (urb_priv->td_cnt >= urb_priv->length) {
+ ++urb_priv->td_cnt; /* Mark it */
+ ohci_dbg(ohci, "iso underrun %p (%u+%u < %u)\n",
+ urb, frame, length,
+ next);
+ }
}
}
urb->start_frame = frame;
+ ed->last_iso = frame + length;
}
/* fill the TDs and link them to the ed; and
diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c
index df4a6707322d..e7f577e63624 100644
--- a/drivers/usb/host/ohci-q.c
+++ b/drivers/usb/host/ohci-q.c
@@ -41,9 +41,13 @@ finish_urb(struct ohci_hcd *ohci, struct urb *urb, int status)
__releases(ohci->lock)
__acquires(ohci->lock)
{
- struct device *dev = ohci_to_hcd(ohci)->self.controller;
+ struct device *dev = ohci_to_hcd(ohci)->self.controller;
+ struct usb_host_endpoint *ep = urb->ep;
+ struct urb_priv *urb_priv;
+
// ASSERT (urb->hcpriv != 0);
+ restart:
urb_free_priv (ohci, urb->hcpriv);
urb->hcpriv = NULL;
if (likely(status == -EINPROGRESS))
@@ -80,6 +84,21 @@ __acquires(ohci->lock)
ohci->hc_control &= ~(OHCI_CTRL_PLE|OHCI_CTRL_IE);
ohci_writel (ohci, ohci->hc_control, &ohci->regs->control);
}
+
+ /*
+ * An isochronous URB that is sumitted too late won't have any TDs
+ * (marked by the fact that the td_cnt value is larger than the
+ * actual number of TDs). If the next URB on this endpoint is like
+ * that, give it back now.
+ */
+ if (!list_empty(&ep->urb_list)) {
+ urb = list_first_entry(&ep->urb_list, struct urb, urb_list);
+ urb_priv = urb->hcpriv;
+ if (urb_priv->td_cnt > urb_priv->length) {
+ status = 0;
+ goto restart;
+ }
+ }
}
@@ -546,7 +565,6 @@ td_fill (struct ohci_hcd *ohci, u32 info,
td->hwCBP = cpu_to_hc32 (ohci, data & 0xFFFFF000);
*ohci_hwPSWp(ohci, td, 0) = cpu_to_hc16 (ohci,
(data & 0x0FFF) | 0xE000);
- td->ed->last_iso = info & 0xffff;
} else {
td->hwCBP = cpu_to_hc32 (ohci, data);
}
@@ -996,7 +1014,7 @@ rescan_this:
urb_priv->td_cnt++;
/* if URB is done, clean up */
- if (urb_priv->td_cnt == urb_priv->length) {
+ if (urb_priv->td_cnt >= urb_priv->length) {
modified = completed = 1;
finish_urb(ohci, urb, 0);
}
@@ -1086,7 +1104,7 @@ static void takeback_td(struct ohci_hcd *ohci, struct td *td)
urb_priv->td_cnt++;
/* If all this urb's TDs are done, call complete() */
- if (urb_priv->td_cnt == urb_priv->length)
+ if (urb_priv->td_cnt >= urb_priv->length)
finish_urb(ohci, urb, status);
/* clean schedule: unlink EDs that are no longer busy */
diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c
index c300bd2f7d1c..0f228c46eeda 100644
--- a/drivers/usb/host/uhci-pci.c
+++ b/drivers/usb/host/uhci-pci.c
@@ -293,7 +293,7 @@ static struct pci_driver uhci_pci_driver = {
.remove = usb_hcd_pci_remove,
.shutdown = uhci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
.driver = {
.pm = &usb_hcd_pci_pm_ops
},
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 041c6ddb695c..da6f56d996ce 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -1303,7 +1303,7 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb,
}
/* Fell behind? */
- if (uhci_frame_before_eq(frame, next)) {
+ if (!uhci_frame_before_eq(next, frame)) {
/* USB_ISO_ASAP: Round up to the first available slot */
if (urb->transfer_flags & URB_ISO_ASAP)
@@ -1311,13 +1311,17 @@ static int uhci_submit_isochronous(struct uhci_hcd *uhci, struct urb *urb,
-qh->period;
/*
- * Not ASAP: Use the next slot in the stream. If
- * the entire URB falls before the threshold, fail.
+ * Not ASAP: Use the next slot in the stream,
+ * no matter what.
*/
else if (!uhci_frame_before_eq(next,
frame + (urb->number_of_packets - 1) *
qh->period))
- return -EXDEV;
+ dev_dbg(uhci_dev(uhci), "iso underrun %p (%u+%u < %u)\n",
+ urb, frame,
+ (urb->number_of_packets - 1) *
+ qh->period,
+ next);
}
}
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index fae697ed0b70..773a6b28c4f1 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -287,7 +287,7 @@ static int xhci_stop_device(struct xhci_hcd *xhci, int slot_id, int suspend)
if (virt_dev->eps[i].ring && virt_dev->eps[i].ring->dequeue)
xhci_queue_stop_endpoint(xhci, slot_id, i, suspend);
}
- cmd->command_trb = xhci->cmd_ring->enqueue;
+ cmd->command_trb = xhci_find_next_enqueue(xhci->cmd_ring);
list_add_tail(&cmd->cmd_list, &virt_dev->cmd_list);
xhci_queue_stop_endpoint(xhci, slot_id, 0, suspend);
xhci_ring_cmd_db(xhci);
@@ -552,11 +552,15 @@ void xhci_del_comp_mod_timer(struct xhci_hcd *xhci, u32 status, u16 wIndex)
* - Mark a port as being done with device resume,
* and ring the endpoint doorbells.
* - Stop the Synopsys redriver Compliance Mode polling.
+ * - Drop and reacquire the xHCI lock, in order to wait for port resume.
*/
static u32 xhci_get_port_status(struct usb_hcd *hcd,
struct xhci_bus_state *bus_state,
__le32 __iomem **port_array,
- u16 wIndex, u32 raw_port_status)
+ u16 wIndex, u32 raw_port_status,
+ unsigned long flags)
+ __releases(&xhci->lock)
+ __acquires(&xhci->lock)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
u32 status = 0;
@@ -591,21 +595,42 @@ static u32 xhci_get_port_status(struct usb_hcd *hcd,
return 0xffffffff;
if (time_after_eq(jiffies,
bus_state->resume_done[wIndex])) {
+ int time_left;
+
xhci_dbg(xhci, "Resume USB2 port %d\n",
wIndex + 1);
bus_state->resume_done[wIndex] = 0;
clear_bit(wIndex, &bus_state->resuming_ports);
+
+ set_bit(wIndex, &bus_state->rexit_ports);
xhci_set_link_state(xhci, port_array, wIndex,
XDEV_U0);
- xhci_dbg(xhci, "set port %d resume\n",
- wIndex + 1);
- slot_id = xhci_find_slot_id_by_port(hcd, xhci,
- wIndex + 1);
- if (!slot_id) {
- xhci_dbg(xhci, "slot_id is zero\n");
- return 0xffffffff;
+
+ spin_unlock_irqrestore(&xhci->lock, flags);
+ time_left = wait_for_completion_timeout(
+ &bus_state->rexit_done[wIndex],
+ msecs_to_jiffies(
+ XHCI_MAX_REXIT_TIMEOUT));
+ spin_lock_irqsave(&xhci->lock, flags);
+
+ if (time_left) {
+ slot_id = xhci_find_slot_id_by_port(hcd,
+ xhci, wIndex + 1);
+ if (!slot_id) {
+ xhci_dbg(xhci, "slot_id is zero\n");
+ return 0xffffffff;
+ }
+ xhci_ring_device(xhci, slot_id);
+ } else {
+ int port_status = xhci_readl(xhci,
+ port_array[wIndex]);
+ xhci_warn(xhci, "Port resume took longer than %i msec, port status = 0x%x\n",
+ XHCI_MAX_REXIT_TIMEOUT,
+ port_status);
+ status |= USB_PORT_STAT_SUSPEND;
+ clear_bit(wIndex, &bus_state->rexit_ports);
}
- xhci_ring_device(xhci, slot_id);
+
bus_state->port_c_suspend |= 1 << wIndex;
bus_state->suspended_ports &= ~(1 << wIndex);
} else {
@@ -728,7 +753,7 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
break;
}
status = xhci_get_port_status(hcd, bus_state, port_array,
- wIndex, temp);
+ wIndex, temp, flags);
if (status == 0xffffffff)
goto error;
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index 53b972c2a09f..83bcd13622c3 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -2428,6 +2428,8 @@ int xhci_mem_init(struct xhci_hcd *xhci, gfp_t flags)
for (i = 0; i < USB_MAXCHILDREN; ++i) {
xhci->bus_state[0].resume_done[i] = 0;
xhci->bus_state[1].resume_done[i] = 0;
+ /* Only the USB 2.0 completions will ever be used. */
+ init_completion(&xhci->bus_state[1].rexit_done[i]);
}
if (scratchpad_alloc(xhci, flags))
diff --git a/drivers/usb/host/xhci-pci.c b/drivers/usb/host/xhci-pci.c
index c2d495057eb5..236c3aabe940 100644
--- a/drivers/usb/host/xhci-pci.c
+++ b/drivers/usb/host/xhci-pci.c
@@ -351,7 +351,7 @@ static struct pci_driver xhci_pci_driver = {
/* suspend and resume implemented later */
.shutdown = usb_hcd_pci_shutdown,
-#ifdef CONFIG_PM_SLEEP
+#ifdef CONFIG_PM
.driver = {
.pm = &usb_hcd_pci_pm_ops
},
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 411da1fc7ae8..6bfbd80ec2b9 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -123,6 +123,16 @@ static int enqueue_is_link_trb(struct xhci_ring *ring)
return TRB_TYPE_LINK_LE32(link->control);
}
+union xhci_trb *xhci_find_next_enqueue(struct xhci_ring *ring)
+{
+ /* Enqueue pointer can be left pointing to the link TRB,
+ * we must handle that
+ */
+ if (TRB_TYPE_LINK_LE32(ring->enqueue->link.control))
+ return ring->enq_seg->next->trbs;
+ return ring->enqueue;
+}
+
/* Updates trb to point to the next TRB in the ring, and updates seg if the next
* TRB is in a new segment. This does not skip over link TRBs, and it does not
* effect the ring dequeue or enqueue pointers.
@@ -859,8 +869,12 @@ remove_finished_td:
/* Otherwise ring the doorbell(s) to restart queued transfers */
ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
}
- ep->stopped_td = NULL;
- ep->stopped_trb = NULL;
+
+ /* Clear stopped_td and stopped_trb if endpoint is not halted */
+ if (!(ep->ep_state & EP_HALTED)) {
+ ep->stopped_td = NULL;
+ ep->stopped_trb = NULL;
+ }
/*
* Drop the lock and complete the URBs in the cancelled TD list.
@@ -1414,6 +1428,12 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
inc_deq(xhci, xhci->cmd_ring);
return;
}
+ /* There is no command to handle if we get a stop event when the
+ * command ring is empty, event->cmd_trb points to the next
+ * unset command
+ */
+ if (xhci->cmd_ring->dequeue == xhci->cmd_ring->enqueue)
+ return;
}
switch (le32_to_cpu(xhci->cmd_ring->dequeue->generic.field[3])
@@ -1743,6 +1763,19 @@ static void handle_port_status(struct xhci_hcd *xhci,
}
}
+ /*
+ * Check to see if xhci-hub.c is waiting on RExit to U0 transition (or
+ * RExit to a disconnect state). If so, let the the driver know it's
+ * out of the RExit state.
+ */
+ if (!DEV_SUPERSPEED(temp) &&
+ test_and_clear_bit(faked_port_index,
+ &bus_state->rexit_ports)) {
+ complete(&bus_state->rexit_done[faked_port_index]);
+ bogus_port_status = true;
+ goto cleanup;
+ }
+
if (hcd->speed != HCD_USB3)
xhci_test_and_clear_bit(xhci, port_array, faked_port_index,
PORT_PLC);
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 49b6edb84a79..1e36dbb48366 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -2598,15 +2598,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
if (command) {
cmd_completion = command->completion;
cmd_status = &command->status;
- command->command_trb = xhci->cmd_ring->enqueue;
-
- /* Enqueue pointer can be left pointing to the link TRB,
- * we must handle that
- */
- if (TRB_TYPE_LINK_LE32(command->command_trb->link.control))
- command->command_trb =
- xhci->cmd_ring->enq_seg->next->trbs;
-
+ command->command_trb = xhci_find_next_enqueue(xhci->cmd_ring);
list_add_tail(&command->cmd_list, &virt_dev->cmd_list);
} else {
cmd_completion = &virt_dev->cmd_completion;
@@ -2614,7 +2606,7 @@ static int xhci_configure_endpoint(struct xhci_hcd *xhci,
}
init_completion(cmd_completion);
- cmd_trb = xhci->cmd_ring->dequeue;
+ cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring);
if (!ctx_change)
ret = xhci_queue_configure_endpoint(xhci, in_ctx->dma,
udev->slot_id, must_succeed);
@@ -3439,14 +3431,7 @@ int xhci_discover_or_reset_device(struct usb_hcd *hcd, struct usb_device *udev)
/* Attempt to submit the Reset Device command to the command ring */
spin_lock_irqsave(&xhci->lock, flags);
- reset_device_cmd->command_trb = xhci->cmd_ring->enqueue;
-
- /* Enqueue pointer can be left pointing to the link TRB,
- * we must handle that
- */
- if (TRB_TYPE_LINK_LE32(reset_device_cmd->command_trb->link.control))
- reset_device_cmd->command_trb =
- xhci->cmd_ring->enq_seg->next->trbs;
+ reset_device_cmd->command_trb = xhci_find_next_enqueue(xhci->cmd_ring);
list_add_tail(&reset_device_cmd->cmd_list, &virt_dev->cmd_list);
ret = xhci_queue_reset_device(xhci, slot_id);
@@ -3650,7 +3635,7 @@ int xhci_alloc_dev(struct usb_hcd *hcd, struct usb_device *udev)
union xhci_trb *cmd_trb;
spin_lock_irqsave(&xhci->lock, flags);
- cmd_trb = xhci->cmd_ring->dequeue;
+ cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring);
ret = xhci_queue_slot_control(xhci, TRB_ENABLE_SLOT, 0);
if (ret) {
spin_unlock_irqrestore(&xhci->lock, flags);
@@ -3785,7 +3770,7 @@ int xhci_address_device(struct usb_hcd *hcd, struct usb_device *udev)
slot_ctx->dev_info >> 27);
spin_lock_irqsave(&xhci->lock, flags);
- cmd_trb = xhci->cmd_ring->dequeue;
+ cmd_trb = xhci_find_next_enqueue(xhci->cmd_ring);
ret = xhci_queue_address_device(xhci, virt_dev->in_ctx->dma,
udev->slot_id);
if (ret) {
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index 46aa14894148..289fbfbae746 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1412,8 +1412,18 @@ struct xhci_bus_state {
unsigned long resume_done[USB_MAXCHILDREN];
/* which ports have started to resume */
unsigned long resuming_ports;
+ /* Which ports are waiting on RExit to U0 transition. */
+ unsigned long rexit_ports;
+ struct completion rexit_done[USB_MAXCHILDREN];
};
+
+/*
+ * It can take up to 20 ms to transition from RExit to U0 on the
+ * Intel Lynx Point LP xHCI host.
+ */
+#define XHCI_MAX_REXIT_TIMEOUT (20 * 1000)
+
static inline unsigned int hcd_index(struct usb_hcd *hcd)
{
if (hcd->speed == HCD_USB3)
@@ -1840,6 +1850,7 @@ int xhci_cancel_cmd(struct xhci_hcd *xhci, struct xhci_command *command,
union xhci_trb *cmd_trb);
void xhci_ring_ep_doorbell(struct xhci_hcd *xhci, unsigned int slot_id,
unsigned int ep_index, unsigned int stream_id);
+union xhci_trb *xhci_find_next_enqueue(struct xhci_ring *ring);
/* xHCI roothub code */
void xhci_set_link_state(struct xhci_hcd *xhci, __le32 __iomem **port_array,
diff --git a/drivers/video/mmp/hw/mmp_ctrl.c b/drivers/video/mmp/hw/mmp_ctrl.c
index 75dca19bf214..6ac755270ab4 100644
--- a/drivers/video/mmp/hw/mmp_ctrl.c
+++ b/drivers/video/mmp/hw/mmp_ctrl.c
@@ -514,7 +514,7 @@ static int mmphw_probe(struct platform_device *pdev)
if (IS_ERR(ctrl->clk)) {
dev_err(ctrl->dev, "unable to get clk %s\n", mi->clk_name);
ret = -ENOENT;
- goto failed_get_clk;
+ goto failed;
}
clk_prepare_enable(ctrl->clk);
@@ -551,21 +551,8 @@ failed_path_init:
path_deinit(path_plat);
}
- if (ctrl->clk) {
- devm_clk_put(ctrl->dev, ctrl->clk);
- clk_disable_unprepare(ctrl->clk);
- }
-failed_get_clk:
- devm_free_irq(ctrl->dev, ctrl->irq, ctrl);
+ clk_disable_unprepare(ctrl->clk);
failed:
- if (ctrl) {
- if (ctrl->reg_base)
- devm_iounmap(ctrl->dev, ctrl->reg_base);
- devm_release_mem_region(ctrl->dev, res->start,
- resource_size(res));
- devm_kfree(ctrl->dev, ctrl);
- }
-
dev_err(&pdev->dev, "device init failed\n");
return ret;
diff --git a/drivers/video/mxsfb.c b/drivers/video/mxsfb.c
index d250ed0f806d..27197a8048c0 100644
--- a/drivers/video/mxsfb.c
+++ b/drivers/video/mxsfb.c
@@ -620,6 +620,7 @@ static int mxsfb_restore_mode(struct mxsfb_info *host)
break;
case 3:
bits_per_pixel = 32;
+ break;
case 1:
default:
return -EINVAL;
diff --git a/drivers/video/neofb.c b/drivers/video/neofb.c
index 7ef079c146e7..c172a5281f9e 100644
--- a/drivers/video/neofb.c
+++ b/drivers/video/neofb.c
@@ -2075,6 +2075,7 @@ static int neofb_probe(struct pci_dev *dev, const struct pci_device_id *id)
if (!fb_find_mode(&info->var, info, mode_option, NULL, 0,
info->monspecs.modedb, 16)) {
printk(KERN_ERR "neofb: Unable to find usable video mode.\n");
+ err = -EINVAL;
goto err_map_video;
}
@@ -2097,7 +2098,8 @@ static int neofb_probe(struct pci_dev *dev, const struct pci_device_id *id)
info->fix.smem_len >> 10, info->var.xres,
info->var.yres, h_sync / 1000, h_sync % 1000, v_sync);
- if (fb_alloc_cmap(&info->cmap, 256, 0) < 0)
+ err = fb_alloc_cmap(&info->cmap, 256, 0);
+ if (err < 0)
goto err_map_video;
err = register_framebuffer(info);
diff --git a/drivers/video/of_display_timing.c b/drivers/video/of_display_timing.c
index 171821ddd78d..ba5b40f581f6 100644
--- a/drivers/video/of_display_timing.c
+++ b/drivers/video/of_display_timing.c
@@ -120,7 +120,7 @@ int of_get_display_timing(struct device_node *np, const char *name,
return -EINVAL;
}
- timing_np = of_find_node_by_name(np, name);
+ timing_np = of_get_child_by_name(np, name);
if (!timing_np) {
pr_err("%s: could not find node '%s'\n",
of_node_full_name(np), name);
@@ -143,11 +143,11 @@ struct display_timings *of_get_display_timings(struct device_node *np)
struct display_timings *disp;
if (!np) {
- pr_err("%s: no devicenode given\n", of_node_full_name(np));
+ pr_err("%s: no device node given\n", of_node_full_name(np));
return NULL;
}
- timings_np = of_find_node_by_name(np, "display-timings");
+ timings_np = of_get_child_by_name(np, "display-timings");
if (!timings_np) {
pr_err("%s: could not find display-timings node\n",
of_node_full_name(np));
diff --git a/drivers/video/omap2/displays-new/Kconfig b/drivers/video/omap2/displays-new/Kconfig
index 6c90885b0940..10b25e7cd878 100644
--- a/drivers/video/omap2/displays-new/Kconfig
+++ b/drivers/video/omap2/displays-new/Kconfig
@@ -35,6 +35,7 @@ config DISPLAY_PANEL_DPI
config DISPLAY_PANEL_DSI_CM
tristate "Generic DSI Command Mode Panel"
+ depends on BACKLIGHT_CLASS_DEVICE
help
Driver for generic DSI command mode panels.
diff --git a/drivers/video/omap2/displays-new/connector-analog-tv.c b/drivers/video/omap2/displays-new/connector-analog-tv.c
index 1b60698f141e..ccd9073f706f 100644
--- a/drivers/video/omap2/displays-new/connector-analog-tv.c
+++ b/drivers/video/omap2/displays-new/connector-analog-tv.c
@@ -191,7 +191,7 @@ static int tvc_probe_pdata(struct platform_device *pdev)
in = omap_dss_find_output(pdata->source);
if (in == NULL) {
dev_err(&pdev->dev, "Failed to find video source\n");
- return -ENODEV;
+ return -EPROBE_DEFER;
}
ddata->in = in;
diff --git a/drivers/video/omap2/displays-new/connector-dvi.c b/drivers/video/omap2/displays-new/connector-dvi.c
index bc5f8ceda371..63d88ee6dfe4 100644
--- a/drivers/video/omap2/displays-new/connector-dvi.c
+++ b/drivers/video/omap2/displays-new/connector-dvi.c
@@ -263,7 +263,7 @@ static int dvic_probe_pdata(struct platform_device *pdev)
in = omap_dss_find_output(pdata->source);
if (in == NULL) {
dev_err(&pdev->dev, "Failed to find video source\n");
- return -ENODEV;
+ return -EPROBE_DEFER;
}
ddata->in = in;
diff --git a/drivers/video/omap2/displays-new/connector-hdmi.c b/drivers/video/omap2/displays-new/connector-hdmi.c
index c5826716d6ab..9abe2c039ae9 100644
--- a/drivers/video/omap2/displays-new/connector-hdmi.c
+++ b/drivers/video/omap2/displays-new/connector-hdmi.c
@@ -290,7 +290,7 @@ static int hdmic_probe_pdata(struct platform_device *pdev)
in = omap_dss_find_output(pdata->source);
if (in == NULL) {
dev_err(&pdev->dev, "Failed to find video source\n");
- return -ENODEV;
+ return -EPROBE_DEFER;
}
ddata->in = in;
diff --git a/drivers/video/omap2/dss/dispc.c b/drivers/video/omap2/dss/dispc.c
index 02a7340111df..477975009eee 100644
--- a/drivers/video/omap2/dss/dispc.c
+++ b/drivers/video/omap2/dss/dispc.c
@@ -3691,6 +3691,7 @@ static int __init omap_dispchw_probe(struct platform_device *pdev)
}
pm_runtime_enable(&pdev->dev);
+ pm_runtime_irq_safe(&pdev->dev);
r = dispc_runtime_get();
if (r)
diff --git a/drivers/video/s3fb.c b/drivers/video/s3fb.c
index 47ca86c5c6c0..d838ba829459 100644
--- a/drivers/video/s3fb.c
+++ b/drivers/video/s3fb.c
@@ -1336,14 +1336,7 @@ static int s3_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
(info->var.bits_per_pixel * info->var.xres_virtual);
if (info->var.yres_virtual < info->var.yres) {
dev_err(info->device, "virtual vertical size smaller than real\n");
- goto err_find_mode;
- }
-
- /* maximize virtual vertical size for fast scrolling */
- info->var.yres_virtual = info->fix.smem_len * 8 /
- (info->var.bits_per_pixel * info->var.xres_virtual);
- if (info->var.yres_virtual < info->var.yres) {
- dev_err(info->device, "virtual vertical size smaller than real\n");
+ rc = -EINVAL;
goto err_find_mode;
}
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index a50c6e3a7cc4..b232908a6192 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -398,8 +398,6 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
if (nr_pages > ARRAY_SIZE(frame_list))
nr_pages = ARRAY_SIZE(frame_list);
- scratch_page = get_balloon_scratch_page();
-
for (i = 0; i < nr_pages; i++) {
page = alloc_page(gfp);
if (page == NULL) {
@@ -413,6 +411,12 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
scrub_page(page);
+ /*
+ * Ballooned out frames are effectively replaced with
+ * a scratch frame. Ensure direct mappings and the
+ * p2m are consistent.
+ */
+ scratch_page = get_balloon_scratch_page();
#ifdef CONFIG_XEN_HAVE_PVMMU
if (xen_pv_domain() && !PageHighMem(page)) {
ret = HYPERVISOR_update_va_mapping(
@@ -422,24 +426,19 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp)
BUG_ON(ret);
}
#endif
- }
-
- /* Ensure that ballooned highmem pages don't have kmaps. */
- kmap_flush_unused();
- flush_tlb_all();
-
- /* No more mappings: invalidate P2M and add to balloon. */
- for (i = 0; i < nr_pages; i++) {
- pfn = mfn_to_pfn(frame_list[i]);
if (!xen_feature(XENFEAT_auto_translated_physmap)) {
unsigned long p;
p = page_to_pfn(scratch_page);
__set_phys_to_machine(pfn, pfn_to_mfn(p));
}
+ put_balloon_scratch_page();
+
balloon_append(pfn_to_page(pfn));
}
- put_balloon_scratch_page();
+ /* Ensure that ballooned highmem pages don't have kmaps. */
+ kmap_flush_unused();
+ flush_tlb_all();
set_xen_guest_handle(reservation.extent_start, frame_list);
reservation.nr_extents = nr_pages;
diff --git a/fs/afs/dir.c b/fs/afs/dir.c
index 646337dc5201..529300327f45 100644
--- a/fs/afs/dir.c
+++ b/fs/afs/dir.c
@@ -600,9 +600,6 @@ static int afs_d_revalidate(struct dentry *dentry, unsigned int flags)
/* lock down the parent dentry so we can peer at it */
parent = dget_parent(dentry);
- if (!parent->d_inode)
- goto out_bad;
-
dir = AFS_FS_I(parent->d_inode);
/* validate the parent directory */
diff --git a/fs/aio.c b/fs/aio.c
index 6b868f0e0c4c..067e3d340c35 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -167,10 +167,25 @@ static int __init aio_setup(void)
}
__initcall(aio_setup);
+static void put_aio_ring_file(struct kioctx *ctx)
+{
+ struct file *aio_ring_file = ctx->aio_ring_file;
+ if (aio_ring_file) {
+ truncate_setsize(aio_ring_file->f_inode, 0);
+
+ /* Prevent further access to the kioctx from migratepages */
+ spin_lock(&aio_ring_file->f_inode->i_mapping->private_lock);
+ aio_ring_file->f_inode->i_mapping->private_data = NULL;
+ ctx->aio_ring_file = NULL;
+ spin_unlock(&aio_ring_file->f_inode->i_mapping->private_lock);
+
+ fput(aio_ring_file);
+ }
+}
+
static void aio_free_ring(struct kioctx *ctx)
{
int i;
- struct file *aio_ring_file = ctx->aio_ring_file;
for (i = 0; i < ctx->nr_pages; i++) {
pr_debug("pid(%d) [%d] page->count=%d\n", current->pid, i,
@@ -178,14 +193,10 @@ static void aio_free_ring(struct kioctx *ctx)
put_page(ctx->ring_pages[i]);
}
+ put_aio_ring_file(ctx);
+
if (ctx->ring_pages && ctx->ring_pages != ctx->internal_pages)
kfree(ctx->ring_pages);
-
- if (aio_ring_file) {
- truncate_setsize(aio_ring_file->f_inode, 0);
- fput(aio_ring_file);
- ctx->aio_ring_file = NULL;
- }
}
static int aio_ring_mmap(struct file *file, struct vm_area_struct *vma)
@@ -207,9 +218,8 @@ static int aio_set_page_dirty(struct page *page)
static int aio_migratepage(struct address_space *mapping, struct page *new,
struct page *old, enum migrate_mode mode)
{
- struct kioctx *ctx = mapping->private_data;
+ struct kioctx *ctx;
unsigned long flags;
- unsigned idx = old->index;
int rc;
/* Writeback must be complete */
@@ -224,10 +234,23 @@ static int aio_migratepage(struct address_space *mapping, struct page *new,
get_page(new);
- spin_lock_irqsave(&ctx->completion_lock, flags);
- migrate_page_copy(new, old);
- ctx->ring_pages[idx] = new;
- spin_unlock_irqrestore(&ctx->completion_lock, flags);
+ /* We can potentially race against kioctx teardown here. Use the
+ * address_space's private data lock to protect the mapping's
+ * private_data.
+ */
+ spin_lock(&mapping->private_lock);
+ ctx = mapping->private_data;
+ if (ctx) {
+ pgoff_t idx;
+ spin_lock_irqsave(&ctx->completion_lock, flags);
+ migrate_page_copy(new, old);
+ idx = old->index;
+ if (idx < (pgoff_t)ctx->nr_pages)
+ ctx->ring_pages[idx] = new;
+ spin_unlock_irqrestore(&ctx->completion_lock, flags);
+ } else
+ rc = -EBUSY;
+ spin_unlock(&mapping->private_lock);
return rc;
}
@@ -617,8 +640,7 @@ out_freepcpu:
out_freeref:
free_percpu(ctx->users.pcpu_count);
out_freectx:
- if (ctx->aio_ring_file)
- fput(ctx->aio_ring_file);
+ put_aio_ring_file(ctx);
kmem_cache_free(kioctx_cachep, ctx);
pr_debug("error allocating ioctx %d\n", err);
return ERR_PTR(err);
diff --git a/fs/binfmt_elf.c b/fs/binfmt_elf.c
index 100edcc5e312..4c94a79991bb 100644
--- a/fs/binfmt_elf.c
+++ b/fs/binfmt_elf.c
@@ -1413,7 +1413,7 @@ static void fill_siginfo_note(struct memelfnote *note, user_siginfo_t *csigdata,
* long file_ofs
* followed by COUNT filenames in ASCII: "FILE1" NUL "FILE2" NUL...
*/
-static void fill_files_note(struct memelfnote *note)
+static int fill_files_note(struct memelfnote *note)
{
struct vm_area_struct *vma;
unsigned count, size, names_ofs, remaining, n;
@@ -1428,11 +1428,11 @@ static void fill_files_note(struct memelfnote *note)
names_ofs = (2 + 3 * count) * sizeof(data[0]);
alloc:
if (size >= MAX_FILE_NOTE_SIZE) /* paranoia check */
- goto err;
+ return -EINVAL;
size = round_up(size, PAGE_SIZE);
data = vmalloc(size);
if (!data)
- goto err;
+ return -ENOMEM;
start_end_ofs = data + 2;
name_base = name_curpos = ((char *)data) + names_ofs;
@@ -1485,7 +1485,7 @@ static void fill_files_note(struct memelfnote *note)
size = name_curpos - (char *)data;
fill_note(note, "CORE", NT_FILE, size, data);
- err: ;
+ return 0;
}
#ifdef CORE_DUMP_USE_REGSET
@@ -1686,8 +1686,8 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
fill_auxv_note(&info->auxv, current->mm);
info->size += notesize(&info->auxv);
- fill_files_note(&info->files);
- info->size += notesize(&info->files);
+ if (fill_files_note(&info->files) == 0)
+ info->size += notesize(&info->files);
return 1;
}
@@ -1719,7 +1719,8 @@ static int write_note_info(struct elf_note_info *info,
return 0;
if (first && !writenote(&info->auxv, file, foffset))
return 0;
- if (first && !writenote(&info->files, file, foffset))
+ if (first && info->files.data &&
+ !writenote(&info->files, file, foffset))
return 0;
for (i = 1; i < info->thread_notes; ++i)
@@ -1806,6 +1807,7 @@ static int elf_dump_thread_status(long signr, struct elf_thread_status *t)
struct elf_note_info {
struct memelfnote *notes;
+ struct memelfnote *notes_files;
struct elf_prstatus *prstatus; /* NT_PRSTATUS */
struct elf_prpsinfo *psinfo; /* NT_PRPSINFO */
struct list_head thread_list;
@@ -1896,9 +1898,12 @@ static int fill_note_info(struct elfhdr *elf, int phdrs,
fill_siginfo_note(info->notes + 2, &info->csigdata, siginfo);
fill_auxv_note(info->notes + 3, current->mm);
- fill_files_note(info->notes + 4);
+ info->numnote = 4;
- info->numnote = 5;
+ if (fill_files_note(info->notes + info->numnote) == 0) {
+ info->notes_files = info->notes + info->numnote;
+ info->numnote++;
+ }
/* Try to dump the FPU. */
info->prstatus->pr_fpvalid = elf_core_copy_task_fpregs(current, regs,
@@ -1960,8 +1965,9 @@ static void free_note_info(struct elf_note_info *info)
kfree(list_entry(tmp, struct elf_thread_status, list));
}
- /* Free data allocated by fill_files_note(): */
- vfree(info->notes[4].data);
+ /* Free data possibly allocated by fill_files_note(): */
+ if (info->notes_files)
+ vfree(info->notes_files->data);
kfree(info->prstatus);
kfree(info->psinfo);
@@ -2044,7 +2050,7 @@ static int elf_core_dump(struct coredump_params *cprm)
struct vm_area_struct *vma, *gate_vma;
struct elfhdr *elf = NULL;
loff_t offset = 0, dataoff, foffset;
- struct elf_note_info info;
+ struct elf_note_info info = { };
struct elf_phdr *phdr4note = NULL;
struct elf_shdr *shdr4extnum = NULL;
Elf_Half e_phnum;
diff --git a/fs/bio.c b/fs/bio.c
index b3b20ed9510e..ea5035da4d9a 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -917,8 +917,8 @@ void bio_copy_data(struct bio *dst, struct bio *src)
src_p = kmap_atomic(src_bv->bv_page);
dst_p = kmap_atomic(dst_bv->bv_page);
- memcpy(dst_p + dst_bv->bv_offset,
- src_p + src_bv->bv_offset,
+ memcpy(dst_p + dst_offset,
+ src_p + src_offset,
bytes);
kunmap_atomic(dst_p);
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index 854a8f05a610..02b0df769e2d 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -1458,7 +1458,7 @@ int nfs_atomic_open(struct inode *dir, struct dentry *dentry,
trace_nfs_atomic_open_enter(dir, ctx, open_flags);
nfs_block_sillyrename(dentry->d_parent);
- inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr);
+ inode = NFS_PROTO(dir)->open_context(dir, ctx, open_flags, &attr, opened);
nfs_unblock_sillyrename(dentry->d_parent);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
diff --git a/fs/nfs/nfs4file.c b/fs/nfs/nfs4file.c
index e5b804dd944c..77efaf15ec90 100644
--- a/fs/nfs/nfs4file.c
+++ b/fs/nfs/nfs4file.c
@@ -19,6 +19,7 @@ nfs4_file_open(struct inode *inode, struct file *filp)
struct inode *dir;
unsigned openflags = filp->f_flags;
struct iattr attr;
+ int opened = 0;
int err;
/*
@@ -55,7 +56,7 @@ nfs4_file_open(struct inode *inode, struct file *filp)
nfs_wb_all(inode);
}
- inode = NFS_PROTO(dir)->open_context(dir, ctx, openflags, &attr);
+ inode = NFS_PROTO(dir)->open_context(dir, ctx, openflags, &attr, &opened);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
switch (err) {
diff --git a/fs/nfs/nfs4filelayoutdev.c b/fs/nfs/nfs4filelayoutdev.c
index 95604f64cab8..c7c295e556ed 100644
--- a/fs/nfs/nfs4filelayoutdev.c
+++ b/fs/nfs/nfs4filelayoutdev.c
@@ -185,6 +185,7 @@ nfs4_ds_connect(struct nfs_server *mds_srv, struct nfs4_pnfs_ds *ds)
if (status)
goto out_put;
+ smp_wmb();
ds->ds_clp = clp;
dprintk("%s [new] addr: %s\n", __func__, ds->ds_remotestr);
out:
@@ -801,34 +802,35 @@ nfs4_fl_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx)
struct nfs4_file_layout_dsaddr *dsaddr = FILELAYOUT_LSEG(lseg)->dsaddr;
struct nfs4_pnfs_ds *ds = dsaddr->ds_list[ds_idx];
struct nfs4_deviceid_node *devid = FILELAYOUT_DEVID_NODE(lseg);
-
- if (filelayout_test_devid_unavailable(devid))
- return NULL;
+ struct nfs4_pnfs_ds *ret = ds;
if (ds == NULL) {
printk(KERN_ERR "NFS: %s: No data server for offset index %d\n",
__func__, ds_idx);
filelayout_mark_devid_invalid(devid);
- return NULL;
+ goto out;
}
+ smp_rmb();
if (ds->ds_clp)
- return ds;
+ goto out_test_devid;
if (test_and_set_bit(NFS4DS_CONNECTING, &ds->ds_state) == 0) {
struct nfs_server *s = NFS_SERVER(lseg->pls_layout->plh_inode);
int err;
err = nfs4_ds_connect(s, ds);
- if (err) {
+ if (err)
nfs4_mark_deviceid_unavailable(devid);
- ds = NULL;
- }
nfs4_clear_ds_conn_bit(ds);
} else {
/* Either ds is connected, or ds is NULL */
nfs4_wait_ds_connect(ds);
}
- return ds;
+out_test_devid:
+ if (filelayout_test_devid_unavailable(devid))
+ ret = NULL;
+out:
+ return ret;
}
module_param(dataserver_retrans, uint, 0644);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 989bb9d3074d..d53d6785cba2 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -912,6 +912,7 @@ struct nfs4_opendata {
struct iattr attrs;
unsigned long timestamp;
unsigned int rpc_done : 1;
+ unsigned int file_created : 1;
unsigned int is_recover : 1;
int rpc_status;
int cancelled;
@@ -1946,8 +1947,13 @@ static int _nfs4_proc_open(struct nfs4_opendata *data)
nfs_fattr_map_and_free_names(server, &data->f_attr);
- if (o_arg->open_flags & O_CREAT)
+ if (o_arg->open_flags & O_CREAT) {
update_changeattr(dir, &o_res->cinfo);
+ if (o_arg->open_flags & O_EXCL)
+ data->file_created = 1;
+ else if (o_res->cinfo.before != o_res->cinfo.after)
+ data->file_created = 1;
+ }
if ((o_res->rflags & NFS4_OPEN_RESULT_LOCKTYPE_POSIX) == 0)
server->caps &= ~NFS_CAP_POSIX_LOCK;
if(o_res->rflags & NFS4_OPEN_RESULT_CONFIRM) {
@@ -2191,7 +2197,8 @@ static int _nfs4_do_open(struct inode *dir,
struct nfs_open_context *ctx,
int flags,
struct iattr *sattr,
- struct nfs4_label *label)
+ struct nfs4_label *label,
+ int *opened)
{
struct nfs4_state_owner *sp;
struct nfs4_state *state = NULL;
@@ -2261,6 +2268,8 @@ static int _nfs4_do_open(struct inode *dir,
nfs_setsecurity(state->inode, opendata->o_res.f_attr, olabel);
}
}
+ if (opendata->file_created)
+ *opened |= FILE_CREATED;
if (pnfs_use_threshold(ctx_th, opendata->f_attr.mdsthreshold, server))
*ctx_th = opendata->f_attr.mdsthreshold;
@@ -2289,7 +2298,8 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
struct nfs_open_context *ctx,
int flags,
struct iattr *sattr,
- struct nfs4_label *label)
+ struct nfs4_label *label,
+ int *opened)
{
struct nfs_server *server = NFS_SERVER(dir);
struct nfs4_exception exception = { };
@@ -2297,7 +2307,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir,
int status;
do {
- status = _nfs4_do_open(dir, ctx, flags, sattr, label);
+ status = _nfs4_do_open(dir, ctx, flags, sattr, label, opened);
res = ctx->state;
trace_nfs4_open_file(ctx, flags, status);
if (status == 0)
@@ -2659,7 +2669,8 @@ out:
}
static struct inode *
-nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, int open_flags, struct iattr *attr)
+nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx,
+ int open_flags, struct iattr *attr, int *opened)
{
struct nfs4_state *state;
struct nfs4_label l = {0, 0, 0, NULL}, *label = NULL;
@@ -2667,7 +2678,7 @@ nfs4_atomic_open(struct inode *dir, struct nfs_open_context *ctx, int open_flags
label = nfs4_label_init_security(dir, ctx->dentry, attr, &l);
/* Protect against concurrent sillydeletes */
- state = nfs4_do_open(dir, ctx, open_flags, attr, label);
+ state = nfs4_do_open(dir, ctx, open_flags, attr, label, opened);
nfs4_label_release_security(label);
@@ -3332,6 +3343,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
struct nfs4_label l, *ilabel = NULL;
struct nfs_open_context *ctx;
struct nfs4_state *state;
+ int opened = 0;
int status = 0;
ctx = alloc_nfs_open_context(dentry, FMODE_READ);
@@ -3341,7 +3353,7 @@ nfs4_proc_create(struct inode *dir, struct dentry *dentry, struct iattr *sattr,
ilabel = nfs4_label_init_security(dir, dentry, sattr, &l);
sattr->ia_mode &= ~current_umask();
- state = nfs4_do_open(dir, ctx, flags, sattr, ilabel);
+ state = nfs4_do_open(dir, ctx, flags, sattr, ilabel, &opened);
if (IS_ERR(state)) {
status = PTR_ERR(state);
goto out;
@@ -7564,8 +7576,10 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle,
{
int err;
struct page *page;
- rpc_authflavor_t flavor;
+ rpc_authflavor_t flavor = RPC_AUTH_MAXFLAVOR;
struct nfs4_secinfo_flavors *flavors;
+ struct nfs4_secinfo4 *secinfo;
+ int i;
page = alloc_page(GFP_KERNEL);
if (!page) {
@@ -7587,9 +7601,31 @@ nfs41_find_root_sec(struct nfs_server *server, struct nfs_fh *fhandle,
if (err)
goto out_freepage;
- flavor = nfs_find_best_sec(flavors);
- if (err == 0)
- err = nfs4_lookup_root_sec(server, fhandle, info, flavor);
+ for (i = 0; i < flavors->num_flavors; i++) {
+ secinfo = &flavors->flavors[i];
+
+ switch (secinfo->flavor) {
+ case RPC_AUTH_NULL:
+ case RPC_AUTH_UNIX:
+ case RPC_AUTH_GSS:
+ flavor = rpcauth_get_pseudoflavor(secinfo->flavor,
+ &secinfo->flavor_info);
+ break;
+ default:
+ flavor = RPC_AUTH_MAXFLAVOR;
+ break;
+ }
+
+ if (flavor != RPC_AUTH_MAXFLAVOR) {
+ err = nfs4_lookup_root_sec(server, fhandle,
+ info, flavor);
+ if (!err)
+ break;
+ }
+ }
+
+ if (flavor == RPC_AUTH_MAXFLAVOR)
+ err = -EPERM;
out_freepage:
put_page(page);
diff --git a/fs/nilfs2/page.c b/fs/nilfs2/page.c
index 0ba679866e50..da276640f776 100644
--- a/fs/nilfs2/page.c
+++ b/fs/nilfs2/page.c
@@ -94,6 +94,7 @@ void nilfs_forget_buffer(struct buffer_head *bh)
clear_buffer_nilfs_volatile(bh);
clear_buffer_nilfs_checked(bh);
clear_buffer_nilfs_redirected(bh);
+ clear_buffer_async_write(bh);
clear_buffer_dirty(bh);
if (nilfs_page_buffers_clean(page))
__nilfs_clear_page_dirty(page);
@@ -429,6 +430,7 @@ void nilfs_clear_dirty_page(struct page *page, bool silent)
"discard block %llu, size %zu",
(u64)bh->b_blocknr, bh->b_size);
}
+ clear_buffer_async_write(bh);
clear_buffer_dirty(bh);
clear_buffer_nilfs_volatile(bh);
clear_buffer_nilfs_checked(bh);
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index bd88a7461063..9f6b486b6c01 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -665,7 +665,7 @@ static size_t nilfs_lookup_dirty_data_buffers(struct inode *inode,
bh = head = page_buffers(page);
do {
- if (!buffer_dirty(bh))
+ if (!buffer_dirty(bh) || buffer_async_write(bh))
continue;
get_bh(bh);
list_add_tail(&bh->b_assoc_buffers, listp);
@@ -699,7 +699,8 @@ static void nilfs_lookup_dirty_node_buffers(struct inode *inode,
for (i = 0; i < pagevec_count(&pvec); i++) {
bh = head = page_buffers(pvec.pages[i]);
do {
- if (buffer_dirty(bh)) {
+ if (buffer_dirty(bh) &&
+ !buffer_async_write(bh)) {
get_bh(bh);
list_add_tail(&bh->b_assoc_buffers,
listp);
@@ -1579,6 +1580,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
b_assoc_buffers) {
+ set_buffer_async_write(bh);
if (bh->b_page != bd_page) {
if (bd_page) {
lock_page(bd_page);
@@ -1592,6 +1594,7 @@ static void nilfs_segctor_prepare_write(struct nilfs_sc_info *sci)
list_for_each_entry(bh, &segbuf->sb_payload_buffers,
b_assoc_buffers) {
+ set_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
if (bh->b_page != bd_page) {
lock_page(bd_page);
@@ -1677,6 +1680,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err)
list_for_each_entry(segbuf, logs, sb_list) {
list_for_each_entry(bh, &segbuf->sb_segsum_buffers,
b_assoc_buffers) {
+ clear_buffer_async_write(bh);
if (bh->b_page != bd_page) {
if (bd_page)
end_page_writeback(bd_page);
@@ -1686,6 +1690,7 @@ static void nilfs_abort_logs(struct list_head *logs, int err)
list_for_each_entry(bh, &segbuf->sb_payload_buffers,
b_assoc_buffers) {
+ clear_buffer_async_write(bh);
if (bh == segbuf->sb_super_root) {
if (bh->b_page != bd_page) {
end_page_writeback(bd_page);
@@ -1755,6 +1760,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
b_assoc_buffers) {
set_buffer_uptodate(bh);
clear_buffer_dirty(bh);
+ clear_buffer_async_write(bh);
if (bh->b_page != bd_page) {
if (bd_page)
end_page_writeback(bd_page);
@@ -1776,6 +1782,7 @@ static void nilfs_segctor_complete_write(struct nilfs_sc_info *sci)
b_assoc_buffers) {
set_buffer_uptodate(bh);
clear_buffer_dirty(bh);
+ clear_buffer_async_write(bh);
clear_buffer_delay(bh);
clear_buffer_nilfs_volatile(bh);
clear_buffer_nilfs_redirected(bh);
diff --git a/fs/ocfs2/dcache.c b/fs/ocfs2/dcache.c
index ef999729e274..0d3a97d2d5f6 100644
--- a/fs/ocfs2/dcache.c
+++ b/fs/ocfs2/dcache.c
@@ -70,9 +70,10 @@ static int ocfs2_dentry_revalidate(struct dentry *dentry, unsigned int flags)
*/
if (inode == NULL) {
unsigned long gen = (unsigned long) dentry->d_fsdata;
- unsigned long pgen =
- OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen;
-
+ unsigned long pgen;
+ spin_lock(&dentry->d_lock);
+ pgen = OCFS2_I(dentry->d_parent->d_inode)->ip_dir_lock_gen;
+ spin_unlock(&dentry->d_lock);
trace_ocfs2_dentry_revalidate_negative(dentry->d_name.len,
dentry->d_name.name,
pgen, gen);
diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 121da2dc3be8..d4e81e4a9b04 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -1924,7 +1924,7 @@ static void ocfs2_dismount_volume(struct super_block *sb, int mnt_err)
{
int tmp, hangup_needed = 0;
struct ocfs2_super *osb = NULL;
- char nodestr[8];
+ char nodestr[12];
trace_ocfs2_dismount_volume(sb);
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 73feacc49b2e..fd777032c2ba 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -1163,21 +1163,6 @@ static struct reiserfs_journal_list *find_newer_jl_for_cn(struct
return NULL;
}
-static int newer_jl_done(struct reiserfs_journal_cnode *cn)
-{
- struct super_block *sb = cn->sb;
- b_blocknr_t blocknr = cn->blocknr;
-
- cn = cn->hprev;
- while (cn) {
- if (cn->sb == sb && cn->blocknr == blocknr && cn->jlist &&
- atomic_read(&cn->jlist->j_commit_left) != 0)
- return 0;
- cn = cn->hprev;
- }
- return 1;
-}
-
static void remove_journal_hash(struct super_block *,
struct reiserfs_journal_cnode **,
struct reiserfs_journal_list *, unsigned long,
@@ -1353,7 +1338,6 @@ static int flush_journal_list(struct super_block *s,
reiserfs_warning(s, "clm-2048", "called with wcount %d",
atomic_read(&journal->j_wcount));
}
- BUG_ON(jl->j_trans_id == 0);
/* if flushall == 0, the lock is already held */
if (flushall) {
@@ -1593,31 +1577,6 @@ static int flush_journal_list(struct super_block *s,
return err;
}
-static int test_transaction(struct super_block *s,
- struct reiserfs_journal_list *jl)
-{
- struct reiserfs_journal_cnode *cn;
-
- if (jl->j_len == 0 || atomic_read(&jl->j_nonzerolen) == 0)
- return 1;
-
- cn = jl->j_realblock;
- while (cn) {
- /* if the blocknr == 0, this has been cleared from the hash,
- ** skip it
- */
- if (cn->blocknr == 0) {
- goto next;
- }
- if (cn->bh && !newer_jl_done(cn))
- return 0;
- next:
- cn = cn->next;
- cond_resched();
- }
- return 0;
-}
-
static int write_one_transaction(struct super_block *s,
struct reiserfs_journal_list *jl,
struct buffer_chunk *chunk)
@@ -1805,6 +1764,8 @@ static int flush_used_journal_lists(struct super_block *s,
break;
tjl = JOURNAL_LIST_ENTRY(tjl->j_list.next);
}
+ get_journal_list(jl);
+ get_journal_list(flush_jl);
/* try to find a group of blocks we can flush across all the
** transactions, but only bother if we've actually spanned
** across multiple lists
@@ -1813,6 +1774,8 @@ static int flush_used_journal_lists(struct super_block *s,
ret = kupdate_transactions(s, jl, &tjl, &trans_id, len, i);
}
flush_journal_list(s, flush_jl, 1);
+ put_journal_list(s, flush_jl);
+ put_journal_list(s, jl);
return 0;
}
@@ -3868,27 +3831,6 @@ int reiserfs_prepare_for_journal(struct super_block *sb,
return 1;
}
-static void flush_old_journal_lists(struct super_block *s)
-{
- struct reiserfs_journal *journal = SB_JOURNAL(s);
- struct reiserfs_journal_list *jl;
- struct list_head *entry;
- time_t now = get_seconds();
-
- while (!list_empty(&journal->j_journal_list)) {
- entry = journal->j_journal_list.next;
- jl = JOURNAL_LIST_ENTRY(entry);
- /* this check should always be run, to send old lists to disk */
- if (jl->j_timestamp < (now - (JOURNAL_MAX_TRANS_AGE * 4)) &&
- atomic_read(&jl->j_commit_left) == 0 &&
- test_transaction(s, jl)) {
- flush_used_journal_lists(s, jl);
- } else {
- break;
- }
- }
-}
-
/*
** long and ugly. If flush, will not return until all commit
** blocks and all real buffers in the trans are on disk.
@@ -4232,7 +4174,6 @@ static int do_journal_end(struct reiserfs_transaction_handle *th,
}
}
}
- flush_old_journal_lists(sb);
journal->j_current_jl->j_list_bitmap =
get_list_bitmap(sb, journal->j_current_jl);
diff --git a/fs/super.c b/fs/super.c
index 3a96c9783a8b..0225c20f8770 100644
--- a/fs/super.c
+++ b/fs/super.c
@@ -264,6 +264,8 @@ out_free_sb:
*/
static inline void destroy_super(struct super_block *s)
{
+ list_lru_destroy(&s->s_dentry_lru);
+ list_lru_destroy(&s->s_inode_lru);
#ifdef CONFIG_SMP
free_percpu(s->s_files);
#endif
@@ -323,8 +325,6 @@ void deactivate_locked_super(struct super_block *s)
/* caches are now gone, we can safely kill the shrinker now */
unregister_shrinker(&s->s_shrink);
- list_lru_destroy(&s->s_dentry_lru);
- list_lru_destroy(&s->s_inode_lru);
put_filesystem(fs);
put_super(s);
diff --git a/fs/sysv/super.c b/fs/sysv/super.c
index d0c6a007ce83..eda10959714f 100644
--- a/fs/sysv/super.c
+++ b/fs/sysv/super.c
@@ -487,6 +487,7 @@ static int v7_fill_super(struct super_block *sb, void *data, int silent)
sbi->s_sb = sb;
sbi->s_block_base = 0;
sbi->s_type = FSTYPE_V7;
+ mutex_init(&sbi->s_lock);
sb->s_fs_info = sbi;
sb_set_blocksize(sb, 512);
diff --git a/fs/udf/ialloc.c b/fs/udf/ialloc.c
index 7e5aae4bf46f..6eaf5edf1ea1 100644
--- a/fs/udf/ialloc.c
+++ b/fs/udf/ialloc.c
@@ -30,18 +30,17 @@ void udf_free_inode(struct inode *inode)
{
struct super_block *sb = inode->i_sb;
struct udf_sb_info *sbi = UDF_SB(sb);
+ struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sb);
- mutex_lock(&sbi->s_alloc_mutex);
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDescImpUse *lvidiu =
- udf_sb_lvidiu(sbi);
+ if (lvidiu) {
+ mutex_lock(&sbi->s_alloc_mutex);
if (S_ISDIR(inode->i_mode))
le32_add_cpu(&lvidiu->numDirs, -1);
else
le32_add_cpu(&lvidiu->numFiles, -1);
udf_updated_lvid(sb);
+ mutex_unlock(&sbi->s_alloc_mutex);
}
- mutex_unlock(&sbi->s_alloc_mutex);
udf_free_blocks(sb, NULL, &UDF_I(inode)->i_location, 0, 1);
}
@@ -55,6 +54,7 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err)
uint32_t start = UDF_I(dir)->i_location.logicalBlockNum;
struct udf_inode_info *iinfo;
struct udf_inode_info *dinfo = UDF_I(dir);
+ struct logicalVolIntegrityDescImpUse *lvidiu;
inode = new_inode(sb);
@@ -92,12 +92,10 @@ struct inode *udf_new_inode(struct inode *dir, umode_t mode, int *err)
return NULL;
}
- if (sbi->s_lvid_bh) {
- struct logicalVolIntegrityDescImpUse *lvidiu;
-
+ lvidiu = udf_sb_lvidiu(sb);
+ if (lvidiu) {
iinfo->i_unique = lvid_get_unique_id(sb);
mutex_lock(&sbi->s_alloc_mutex);
- lvidiu = udf_sb_lvidiu(sbi);
if (S_ISDIR(mode))
le32_add_cpu(&lvidiu->numDirs, 1);
else
diff --git a/fs/udf/super.c b/fs/udf/super.c
index 839a2bad7f45..91219385691d 100644
--- a/fs/udf/super.c
+++ b/fs/udf/super.c
@@ -94,13 +94,25 @@ static unsigned int udf_count_free(struct super_block *);
static int udf_statfs(struct dentry *, struct kstatfs *);
static int udf_show_options(struct seq_file *, struct dentry *);
-struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi)
+struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct super_block *sb)
{
- struct logicalVolIntegrityDesc *lvid =
- (struct logicalVolIntegrityDesc *)sbi->s_lvid_bh->b_data;
- __u32 number_of_partitions = le32_to_cpu(lvid->numOfPartitions);
- __u32 offset = number_of_partitions * 2 *
- sizeof(uint32_t)/sizeof(uint8_t);
+ struct logicalVolIntegrityDesc *lvid;
+ unsigned int partnum;
+ unsigned int offset;
+
+ if (!UDF_SB(sb)->s_lvid_bh)
+ return NULL;
+ lvid = (struct logicalVolIntegrityDesc *)UDF_SB(sb)->s_lvid_bh->b_data;
+ partnum = le32_to_cpu(lvid->numOfPartitions);
+ if ((sb->s_blocksize - sizeof(struct logicalVolIntegrityDescImpUse) -
+ offsetof(struct logicalVolIntegrityDesc, impUse)) /
+ (2 * sizeof(uint32_t)) < partnum) {
+ udf_err(sb, "Logical volume integrity descriptor corrupted "
+ "(numOfPartitions = %u)!\n", partnum);
+ return NULL;
+ }
+ /* The offset is to skip freeSpaceTable and sizeTable arrays */
+ offset = partnum * 2 * sizeof(uint32_t);
return (struct logicalVolIntegrityDescImpUse *)&(lvid->impUse[offset]);
}
@@ -629,9 +641,10 @@ static int udf_remount_fs(struct super_block *sb, int *flags, char *options)
struct udf_options uopt;
struct udf_sb_info *sbi = UDF_SB(sb);
int error = 0;
+ struct logicalVolIntegrityDescImpUse *lvidiu = udf_sb_lvidiu(sb);
- if (sbi->s_lvid_bh) {
- int write_rev = le16_to_cpu(udf_sb_lvidiu(sbi)->minUDFWriteRev);
+ if (lvidiu) {
+ int write_rev = le16_to_cpu(lvidiu->minUDFWriteRev);
if (write_rev > UDF_MAX_WRITE_VERSION && !(*flags & MS_RDONLY))
return -EACCES;
}
@@ -1905,11 +1918,12 @@ static void udf_open_lvid(struct super_block *sb)
if (!bh)
return;
-
- mutex_lock(&sbi->s_alloc_mutex);
lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
- lvidiu = udf_sb_lvidiu(sbi);
+ lvidiu = udf_sb_lvidiu(sb);
+ if (!lvidiu)
+ return;
+ mutex_lock(&sbi->s_alloc_mutex);
lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
udf_time_to_disk_stamp(&lvid->recordingDateAndTime,
@@ -1937,10 +1951,12 @@ static void udf_close_lvid(struct super_block *sb)
if (!bh)
return;
+ lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
+ lvidiu = udf_sb_lvidiu(sb);
+ if (!lvidiu)
+ return;
mutex_lock(&sbi->s_alloc_mutex);
- lvid = (struct logicalVolIntegrityDesc *)bh->b_data;
- lvidiu = udf_sb_lvidiu(sbi);
lvidiu->impIdent.identSuffix[0] = UDF_OS_CLASS_UNIX;
lvidiu->impIdent.identSuffix[1] = UDF_OS_ID_LINUX;
udf_time_to_disk_stamp(&lvid->recordingDateAndTime, CURRENT_TIME);
@@ -2093,15 +2109,19 @@ static int udf_fill_super(struct super_block *sb, void *options, int silent)
if (sbi->s_lvid_bh) {
struct logicalVolIntegrityDescImpUse *lvidiu =
- udf_sb_lvidiu(sbi);
- uint16_t minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev);
- uint16_t minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev);
- /* uint16_t maxUDFWriteRev =
- le16_to_cpu(lvidiu->maxUDFWriteRev); */
+ udf_sb_lvidiu(sb);
+ uint16_t minUDFReadRev;
+ uint16_t minUDFWriteRev;
+ if (!lvidiu) {
+ ret = -EINVAL;
+ goto error_out;
+ }
+ minUDFReadRev = le16_to_cpu(lvidiu->minUDFReadRev);
+ minUDFWriteRev = le16_to_cpu(lvidiu->minUDFWriteRev);
if (minUDFReadRev > UDF_MAX_READ_VERSION) {
udf_err(sb, "minUDFReadRev=%x (max is %x)\n",
- le16_to_cpu(lvidiu->minUDFReadRev),
+ minUDFReadRev,
UDF_MAX_READ_VERSION);
ret = -EINVAL;
goto error_out;
@@ -2265,11 +2285,7 @@ static int udf_statfs(struct dentry *dentry, struct kstatfs *buf)
struct logicalVolIntegrityDescImpUse *lvidiu;
u64 id = huge_encode_dev(sb->s_bdev->bd_dev);
- if (sbi->s_lvid_bh != NULL)
- lvidiu = udf_sb_lvidiu(sbi);
- else
- lvidiu = NULL;
-
+ lvidiu = udf_sb_lvidiu(sb);
buf->f_type = UDF_SUPER_MAGIC;
buf->f_bsize = sb->s_blocksize;
buf->f_blocks = sbi->s_partmaps[sbi->s_partition].s_partition_len;
diff --git a/fs/udf/udf_sb.h b/fs/udf/udf_sb.h
index ed401e94aa8c..1f32c7bd9f57 100644
--- a/fs/udf/udf_sb.h
+++ b/fs/udf/udf_sb.h
@@ -162,7 +162,7 @@ static inline struct udf_sb_info *UDF_SB(struct super_block *sb)
return sb->s_fs_info;
}
-struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct udf_sb_info *sbi);
+struct logicalVolIntegrityDescImpUse *udf_sb_lvidiu(struct super_block *sb);
int udf_compute_nr_groups(struct super_block *sb, u32 partition);
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 88c5ea75ebf6..f1d85cfc0a54 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -628,6 +628,7 @@ xfs_buf_item_unlock(
else if (aborted) {
ASSERT(XFS_FORCED_SHUTDOWN(lip->li_mountp));
if (lip->li_flags & XFS_LI_IN_AIL) {
+ spin_lock(&lip->li_ailp->xa_lock);
xfs_trans_ail_delete(lip->li_ailp, lip,
SHUTDOWN_LOG_IO_ERROR);
}
diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 069537c845e5..20bf8e8002d6 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -1224,6 +1224,7 @@ xfs_da3_node_toosmall(
/* start with smaller blk num */
forward = nodehdr.forw < nodehdr.back;
for (i = 0; i < 2; forward = !forward, i++) {
+ struct xfs_da3_icnode_hdr thdr;
if (forward)
blkno = nodehdr.forw;
else
@@ -1236,10 +1237,10 @@ xfs_da3_node_toosmall(
return(error);
node = bp->b_addr;
- xfs_da3_node_hdr_from_disk(&nodehdr, node);
+ xfs_da3_node_hdr_from_disk(&thdr, node);
xfs_trans_brelse(state->args->trans, bp);
- if (count - nodehdr.count >= 0)
+ if (count - thdr.count >= 0)
break; /* fits with at least 25% to spare */
}
if (i >= 2) {
diff --git a/fs/xfs/xfs_fs.h b/fs/xfs/xfs_fs.h
index 1edb5cc3e5f4..18272c766a50 100644
--- a/fs/xfs/xfs_fs.h
+++ b/fs/xfs/xfs_fs.h
@@ -515,7 +515,7 @@ typedef struct xfs_swapext
/* XFS_IOC_GETBIOSIZE ---- deprecated 47 */
#define XFS_IOC_GETBMAPX _IOWR('X', 56, struct getbmap)
#define XFS_IOC_ZERO_RANGE _IOW ('X', 57, struct xfs_flock64)
-#define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_eofblocks)
+#define XFS_IOC_FREE_EOFBLOCKS _IOR ('X', 58, struct xfs_fs_eofblocks)
/*
* ioctl commands that replace IRIX syssgi()'s
diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
index 193206ba4358..474807a401c8 100644
--- a/fs/xfs/xfs_icache.c
+++ b/fs/xfs/xfs_icache.c
@@ -119,11 +119,6 @@ xfs_inode_free(
ip->i_itemp = NULL;
}
- /* asserts to verify all state is correct here */
- ASSERT(atomic_read(&ip->i_pincount) == 0);
- ASSERT(!spin_is_locked(&ip->i_flags_lock));
- ASSERT(!xfs_isiflocked(ip));
-
/*
* Because we use RCU freeing we need to ensure the inode always
* appears to be reclaimed with an invalid inode number when in the
@@ -135,6 +130,10 @@ xfs_inode_free(
ip->i_ino = 0;
spin_unlock(&ip->i_flags_lock);
+ /* asserts to verify all state is correct here */
+ ASSERT(atomic_read(&ip->i_pincount) == 0);
+ ASSERT(!xfs_isiflocked(ip));
+
call_rcu(&VFS_I(ip)->i_rcu, xfs_inode_free_callback);
}
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index dabda9521b4b..cc179878fe41 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -1970,6 +1970,13 @@ xlog_recover_do_inode_buffer(
* magic number. If we don't recognise the magic number in the buffer, then
* return a LSN of -1 so that the caller knows it was an unrecognised block and
* so can recover the buffer.
+ *
+ * Note: we cannot rely solely on magic number matches to determine that the
+ * buffer has a valid LSN - we also need to verify that it belongs to this
+ * filesystem, so we need to extract the object's LSN and compare it to that
+ * which we read from the superblock. If the UUIDs don't match, then we've got a
+ * stale metadata block from an old filesystem instance that we need to recover
+ * over the top of.
*/
static xfs_lsn_t
xlog_recover_get_buf_lsn(
@@ -1980,6 +1987,8 @@ xlog_recover_get_buf_lsn(
__uint16_t magic16;
__uint16_t magicda;
void *blk = bp->b_addr;
+ uuid_t *uuid;
+ xfs_lsn_t lsn = -1;
/* v4 filesystems always recover immediately */
if (!xfs_sb_version_hascrc(&mp->m_sb))
@@ -1992,43 +2001,79 @@ xlog_recover_get_buf_lsn(
case XFS_ABTB_MAGIC:
case XFS_ABTC_MAGIC:
case XFS_IBT_CRC_MAGIC:
- case XFS_IBT_MAGIC:
- return be64_to_cpu(
- ((struct xfs_btree_block *)blk)->bb_u.s.bb_lsn);
+ case XFS_IBT_MAGIC: {
+ struct xfs_btree_block *btb = blk;
+
+ lsn = be64_to_cpu(btb->bb_u.s.bb_lsn);
+ uuid = &btb->bb_u.s.bb_uuid;
+ break;
+ }
case XFS_BMAP_CRC_MAGIC:
- case XFS_BMAP_MAGIC:
- return be64_to_cpu(
- ((struct xfs_btree_block *)blk)->bb_u.l.bb_lsn);
+ case XFS_BMAP_MAGIC: {
+ struct xfs_btree_block *btb = blk;
+
+ lsn = be64_to_cpu(btb->bb_u.l.bb_lsn);
+ uuid = &btb->bb_u.l.bb_uuid;
+ break;
+ }
case XFS_AGF_MAGIC:
- return be64_to_cpu(((struct xfs_agf *)blk)->agf_lsn);
+ lsn = be64_to_cpu(((struct xfs_agf *)blk)->agf_lsn);
+ uuid = &((struct xfs_agf *)blk)->agf_uuid;
+ break;
case XFS_AGFL_MAGIC:
- return be64_to_cpu(((struct xfs_agfl *)blk)->agfl_lsn);
+ lsn = be64_to_cpu(((struct xfs_agfl *)blk)->agfl_lsn);
+ uuid = &((struct xfs_agfl *)blk)->agfl_uuid;
+ break;
case XFS_AGI_MAGIC:
- return be64_to_cpu(((struct xfs_agi *)blk)->agi_lsn);
+ lsn = be64_to_cpu(((struct xfs_agi *)blk)->agi_lsn);
+ uuid = &((struct xfs_agi *)blk)->agi_uuid;
+ break;
case XFS_SYMLINK_MAGIC:
- return be64_to_cpu(((struct xfs_dsymlink_hdr *)blk)->sl_lsn);
+ lsn = be64_to_cpu(((struct xfs_dsymlink_hdr *)blk)->sl_lsn);
+ uuid = &((struct xfs_dsymlink_hdr *)blk)->sl_uuid;
+ break;
case XFS_DIR3_BLOCK_MAGIC:
case XFS_DIR3_DATA_MAGIC:
case XFS_DIR3_FREE_MAGIC:
- return be64_to_cpu(((struct xfs_dir3_blk_hdr *)blk)->lsn);
+ lsn = be64_to_cpu(((struct xfs_dir3_blk_hdr *)blk)->lsn);
+ uuid = &((struct xfs_dir3_blk_hdr *)blk)->uuid;
+ break;
case XFS_ATTR3_RMT_MAGIC:
- return be64_to_cpu(((struct xfs_attr3_rmt_hdr *)blk)->rm_lsn);
+ lsn = be64_to_cpu(((struct xfs_attr3_rmt_hdr *)blk)->rm_lsn);
+ uuid = &((struct xfs_attr3_rmt_hdr *)blk)->rm_uuid;
+ break;
case XFS_SB_MAGIC:
- return be64_to_cpu(((struct xfs_dsb *)blk)->sb_lsn);
+ lsn = be64_to_cpu(((struct xfs_dsb *)blk)->sb_lsn);
+ uuid = &((struct xfs_dsb *)blk)->sb_uuid;
+ break;
default:
break;
}
+ if (lsn != (xfs_lsn_t)-1) {
+ if (!uuid_equal(&mp->m_sb.sb_uuid, uuid))
+ goto recover_immediately;
+ return lsn;
+ }
+
magicda = be16_to_cpu(((struct xfs_da_blkinfo *)blk)->magic);
switch (magicda) {
case XFS_DIR3_LEAF1_MAGIC:
case XFS_DIR3_LEAFN_MAGIC:
case XFS_DA3_NODE_MAGIC:
- return be64_to_cpu(((struct xfs_da3_blkinfo *)blk)->lsn);
+ lsn = be64_to_cpu(((struct xfs_da3_blkinfo *)blk)->lsn);
+ uuid = &((struct xfs_da3_blkinfo *)blk)->uuid;
+ break;
default:
break;
}
+ if (lsn != (xfs_lsn_t)-1) {
+ if (!uuid_equal(&mp->m_sb.sb_uuid, uuid))
+ goto recover_immediately;
+ return lsn;
+ }
+
/*
* We do individual object checks on dquot and inode buffers as they
* have their own individual LSN records. Also, we could have a stale
diff --git a/include/asm-generic/hugetlb.h b/include/asm-generic/hugetlb.h
index d06079c774a0..99b490b4d05a 100644
--- a/include/asm-generic/hugetlb.h
+++ b/include/asm-generic/hugetlb.h
@@ -6,12 +6,12 @@ static inline pte_t mk_huge_pte(struct page *page, pgprot_t pgprot)
return mk_pte(page, pgprot);
}
-static inline int huge_pte_write(pte_t pte)
+static inline unsigned long huge_pte_write(pte_t pte)
{
return pte_write(pte);
}
-static inline int huge_pte_dirty(pte_t pte)
+static inline unsigned long huge_pte_dirty(pte_t pte)
{
return pte_dirty(pte);
}
diff --git a/include/asm-generic/vtime.h b/include/asm-generic/vtime.h
index e69de29bb2d1..b1a49677fe25 100644
--- a/include/asm-generic/vtime.h
+++ b/include/asm-generic/vtime.h
@@ -0,0 +1 @@
+/* no content, but patch(1) dislikes empty files */
diff --git a/include/linux/balloon_compaction.h b/include/linux/balloon_compaction.h
index f7f1d7169b11..089743ade734 100644
--- a/include/linux/balloon_compaction.h
+++ b/include/linux/balloon_compaction.h
@@ -159,6 +159,26 @@ static inline bool balloon_page_movable(struct page *page)
}
/*
+ * isolated_balloon_page - identify an isolated balloon page on private
+ * compaction/migration page lists.
+ *
+ * After a compaction thread isolates a balloon page for migration, it raises
+ * the page refcount to prevent concurrent compaction threads from re-isolating
+ * the same page. For that reason putback_movable_pages(), or other routines
+ * that need to identify isolated balloon pages on private pagelists, cannot
+ * rely on balloon_page_movable() to accomplish the task.
+ */
+static inline bool isolated_balloon_page(struct page *page)
+{
+ /* Already isolated balloon pages, by default, have a raised refcount */
+ if (page_flags_cleared(page) && !page_mapped(page) &&
+ page_count(page) >= 2)
+ return __is_movable_balloon_page(page);
+
+ return false;
+}
+
+/*
* balloon_page_insert - insert a page into the balloon's page list and make
* the page->mapping assignment accordingly.
* @page : page to be assigned as a 'balloon page'
@@ -243,6 +263,11 @@ static inline bool balloon_page_movable(struct page *page)
return false;
}
+static inline bool isolated_balloon_page(struct page *page)
+{
+ return false;
+}
+
static inline bool balloon_page_isolate(struct page *page)
{
return false;
diff --git a/include/linux/bcma/bcma_driver_pci.h b/include/linux/bcma/bcma_driver_pci.h
index d66033f418c9..0333e605ea0d 100644
--- a/include/linux/bcma/bcma_driver_pci.h
+++ b/include/linux/bcma/bcma_driver_pci.h
@@ -242,6 +242,7 @@ extern int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc,
struct bcma_device *core, bool enable);
extern void bcma_core_pci_up(struct bcma_bus *bus);
extern void bcma_core_pci_down(struct bcma_bus *bus);
+extern void bcma_core_pci_power_save(struct bcma_bus *bus, bool up);
extern int bcma_core_pci_pcibios_map_irq(const struct pci_dev *dev);
extern int bcma_core_pci_plat_dev_init(struct pci_dev *dev);
diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h
index 653073de09e3..ed419c62dde1 100644
--- a/include/linux/device-mapper.h
+++ b/include/linux/device-mapper.h
@@ -406,13 +406,14 @@ int dm_noflush_suspending(struct dm_target *ti);
union map_info *dm_get_mapinfo(struct bio *bio);
union map_info *dm_get_rq_mapinfo(struct request *rq);
+struct queue_limits *dm_get_queue_limits(struct mapped_device *md);
+
/*
* Geometry functions.
*/
int dm_get_geometry(struct mapped_device *md, struct hd_geometry *geo);
int dm_set_geometry(struct mapped_device *md, struct hd_geometry *geo);
-
/*-----------------------------------------------------------------
* Functions for manipulating device-mapper tables.
*---------------------------------------------------------------*/
diff --git a/include/linux/hyperv.h b/include/linux/hyperv.h
index a3b8b2e2d244..d98503bde7e9 100644
--- a/include/linux/hyperv.h
+++ b/include/linux/hyperv.h
@@ -30,10 +30,13 @@
/*
* Framework version for util services.
*/
+#define UTIL_FW_MINOR 0
+
+#define UTIL_WS2K8_FW_MAJOR 1
+#define UTIL_WS2K8_FW_VERSION (UTIL_WS2K8_FW_MAJOR << 16 | UTIL_FW_MINOR)
#define UTIL_FW_MAJOR 3
-#define UTIL_FW_MINOR 0
-#define UTIL_FW_MAJOR_MINOR (UTIL_FW_MAJOR << 16 | UTIL_FW_MINOR)
+#define UTIL_FW_VERSION (UTIL_FW_MAJOR << 16 | UTIL_FW_MINOR)
/*
diff --git a/include/linux/kernel.h b/include/linux/kernel.h
index 482ad2d84a32..672ddc4de4af 100644
--- a/include/linux/kernel.h
+++ b/include/linux/kernel.h
@@ -439,6 +439,17 @@ static inline char *hex_byte_pack(char *buf, u8 byte)
return buf;
}
+extern const char hex_asc_upper[];
+#define hex_asc_upper_lo(x) hex_asc_upper[((x) & 0x0f)]
+#define hex_asc_upper_hi(x) hex_asc_upper[((x) & 0xf0) >> 4]
+
+static inline char *hex_byte_pack_upper(char *buf, u8 byte)
+{
+ *buf++ = hex_asc_upper_hi(byte);
+ *buf++ = hex_asc_upper_lo(byte);
+ return buf;
+}
+
static inline char * __deprecated pack_hex_byte(char *buf, u8 byte)
{
return hex_byte_pack(buf, byte);
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 60e95872da29..ecc82b37c4cc 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -53,23 +53,6 @@ struct mem_cgroup_reclaim_cookie {
unsigned int generation;
};
-enum mem_cgroup_filter_t {
- VISIT, /* visit current node */
- SKIP, /* skip the current node and continue traversal */
- SKIP_TREE, /* skip the whole subtree and continue traversal */
-};
-
-/*
- * mem_cgroup_filter_t predicate might instruct mem_cgroup_iter_cond how to
- * iterate through the hierarchy tree. Each tree element is checked by the
- * predicate before it is returned by the iterator. If a filter returns
- * SKIP or SKIP_TREE then the iterator code continues traversal (with the
- * next node down the hierarchy or the next node that doesn't belong under the
- * memcg's subtree).
- */
-typedef enum mem_cgroup_filter_t
-(*mem_cgroup_iter_filter)(struct mem_cgroup *memcg, struct mem_cgroup *root);
-
#ifdef CONFIG_MEMCG
/*
* All "charge" functions with gfp_mask should use GFP_KERNEL or
@@ -137,18 +120,9 @@ mem_cgroup_prepare_migration(struct page *page, struct page *newpage,
extern void mem_cgroup_end_migration(struct mem_cgroup *memcg,
struct page *oldpage, struct page *newpage, bool migration_ok);
-struct mem_cgroup *mem_cgroup_iter_cond(struct mem_cgroup *root,
- struct mem_cgroup *prev,
- struct mem_cgroup_reclaim_cookie *reclaim,
- mem_cgroup_iter_filter cond);
-
-static inline struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *root,
- struct mem_cgroup *prev,
- struct mem_cgroup_reclaim_cookie *reclaim)
-{
- return mem_cgroup_iter_cond(root, prev, reclaim, NULL);
-}
-
+struct mem_cgroup *mem_cgroup_iter(struct mem_cgroup *,
+ struct mem_cgroup *,
+ struct mem_cgroup_reclaim_cookie *);
void mem_cgroup_iter_break(struct mem_cgroup *, struct mem_cgroup *);
/*
@@ -260,9 +234,9 @@ static inline void mem_cgroup_dec_page_stat(struct page *page,
mem_cgroup_update_page_stat(page, idx, -1);
}
-enum mem_cgroup_filter_t
-mem_cgroup_soft_reclaim_eligible(struct mem_cgroup *memcg,
- struct mem_cgroup *root);
+unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
+ gfp_t gfp_mask,
+ unsigned long *total_scanned);
void __mem_cgroup_count_vm_event(struct mm_struct *mm, enum vm_event_item idx);
static inline void mem_cgroup_count_vm_event(struct mm_struct *mm,
@@ -376,15 +350,6 @@ static inline void mem_cgroup_end_migration(struct mem_cgroup *memcg,
struct page *oldpage, struct page *newpage, bool migration_ok)
{
}
-static inline struct mem_cgroup *
-mem_cgroup_iter_cond(struct mem_cgroup *root,
- struct mem_cgroup *prev,
- struct mem_cgroup_reclaim_cookie *reclaim,
- mem_cgroup_iter_filter cond)
-{
- /* first call must return non-NULL, second return NULL */
- return (struct mem_cgroup *)(unsigned long)!prev;
-}
static inline struct mem_cgroup *
mem_cgroup_iter(struct mem_cgroup *root,
@@ -471,11 +436,11 @@ static inline void mem_cgroup_dec_page_stat(struct page *page,
}
static inline
-enum mem_cgroup_filter_t
-mem_cgroup_soft_reclaim_eligible(struct mem_cgroup *memcg,
- struct mem_cgroup *root)
+unsigned long mem_cgroup_soft_limit_reclaim(struct zone *zone, int order,
+ gfp_t gfp_mask,
+ unsigned long *total_scanned)
{
- return VISIT;
+ return 0;
}
static inline void mem_cgroup_split_huge_fixup(struct page *head)
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index ccd4260834c5..bab49da8a0f0 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -15,8 +15,8 @@
#include <linux/spinlock_types.h>
#include <linux/linkage.h>
#include <linux/lockdep.h>
-
#include <linux/atomic.h>
+#include <asm/processor.h>
/*
* Simple, straightforward mutexes with strict semantics:
@@ -175,8 +175,8 @@ extern void mutex_unlock(struct mutex *lock);
extern int atomic_dec_and_mutex_lock(atomic_t *cnt, struct mutex *lock);
-#ifndef CONFIG_HAVE_ARCH_MUTEX_CPU_RELAX
-#define arch_mutex_cpu_relax() cpu_relax()
+#ifndef arch_mutex_cpu_relax
+# define arch_mutex_cpu_relax() cpu_relax()
#endif
#endif
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 01fd84b566f7..49f52c8f4422 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -1455,7 +1455,8 @@ struct nfs_rpc_ops {
struct inode * (*open_context) (struct inode *dir,
struct nfs_open_context *ctx,
int open_flags,
- struct iattr *iattr);
+ struct iattr *iattr,
+ int *);
int (*have_delegation)(struct inode *, fmode_t);
int (*return_delegation)(struct inode *);
struct nfs_client *(*alloc_client) (const struct nfs_client_initdata *);
diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h
index 535cecf1e02f..fcd63baee5f2 100644
--- a/include/linux/of_irq.h
+++ b/include/linux/of_irq.h
@@ -1,8 +1,6 @@
#ifndef __OF_IRQ_H
#define __OF_IRQ_H
-#if defined(CONFIG_OF)
-struct of_irq;
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/irq.h>
@@ -10,14 +8,6 @@ struct of_irq;
#include <linux/ioport.h>
#include <linux/of.h>
-/*
- * irq_of_parse_and_map() is used by all OF enabled platforms; but SPARC
- * implements it differently. However, the prototype is the same for all,
- * so declare it here regardless of the CONFIG_OF_IRQ setting.
- */
-extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
-
-#if defined(CONFIG_OF_IRQ)
/**
* of_irq - container for device_node/irq_specifier pair for an irq controller
* @controller: pointer to interrupt controller device tree node
@@ -71,11 +61,17 @@ extern int of_irq_to_resource(struct device_node *dev, int index,
extern int of_irq_count(struct device_node *dev);
extern int of_irq_to_resource_table(struct device_node *dev,
struct resource *res, int nr_irqs);
-extern struct device_node *of_irq_find_parent(struct device_node *child);
extern void of_irq_init(const struct of_device_id *matches);
-#endif /* CONFIG_OF_IRQ */
+#if defined(CONFIG_OF)
+/*
+ * irq_of_parse_and_map() is used by all OF enabled platforms; but SPARC
+ * implements it differently. However, the prototype is the same for all,
+ * so declare it here regardless of the CONFIG_OF_IRQ setting.
+ */
+extern unsigned int irq_of_parse_and_map(struct device_node *node, int index);
+extern struct device_node *of_irq_find_parent(struct device_node *child);
#else /* !CONFIG_OF */
static inline unsigned int irq_of_parse_and_map(struct device_node *dev,
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 67e13aa5a478..9bdad43ad228 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -40,6 +40,8 @@ enum regulator_status {
};
/**
+ * struct regulator_linear_range - specify linear voltage ranges
+ *
* Specify a range of voltages for regulator_map_linar_range() and
* regulator_list_linear_range().
*
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 2ddb48d9312c..c2d89335f637 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -498,7 +498,7 @@ struct sk_buff {
* headers if needed
*/
__u8 encapsulation:1;
- /* 7/9 bit hole (depending on ndisc_nodetype presence) */
+ /* 6/8 bit hole (depending on ndisc_nodetype presence) */
kmemcheck_bitfield_end(flags2);
#if defined CONFIG_NET_DMA || defined CONFIG_NET_RX_BUSY_POLL
diff --git a/include/linux/smp.h b/include/linux/smp.h
index cfb7ca094b38..731f5237d5f4 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -155,6 +155,12 @@ smp_call_function_any(const struct cpumask *mask, smp_call_func_t func,
static inline void kick_all_cpus_sync(void) { }
+static inline void __smp_call_function_single(int cpuid,
+ struct call_single_data *data, int wait)
+{
+ on_each_cpu(data->func, data->info, wait);
+}
+
#endif /* !SMP */
/*
diff --git a/include/linux/usb/usbnet.h b/include/linux/usb/usbnet.h
index 9cb2fe8ca944..e303eef94dd5 100644
--- a/include/linux/usb/usbnet.h
+++ b/include/linux/usb/usbnet.h
@@ -42,6 +42,7 @@ struct usbnet {
struct usb_host_endpoint *status;
unsigned maxpacket;
struct timer_list delay;
+ const char *padding_pkt;
/* protocol/interface state */
struct net_device *net;
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index fb314de2b61b..86505bfa5d2c 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -67,6 +67,10 @@ int ipv6_chk_addr(struct net *net, const struct in6_addr *addr,
int ipv6_chk_home_addr(struct net *net, const struct in6_addr *addr);
#endif
+bool ipv6_chk_custom_prefix(const struct in6_addr *addr,
+ const unsigned int prefix_len,
+ struct net_device *dev);
+
int ipv6_chk_prefix(const struct in6_addr *addr, struct net_device *dev);
struct inet6_ifaddr *ipv6_get_ifaddr(struct net *net,
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index aaeaf0938ec0..15f10841e2b5 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -104,6 +104,7 @@ enum {
enum {
HCI_SETUP,
HCI_AUTO_OFF,
+ HCI_RFKILLED,
HCI_MGMT,
HCI_PAIRABLE,
HCI_SERVICE_CACHE,
diff --git a/include/net/ip_vs.h b/include/net/ip_vs.h
index f0d70f066f3d..9c4d37ec45a1 100644
--- a/include/net/ip_vs.h
+++ b/include/net/ip_vs.h
@@ -723,8 +723,6 @@ struct ip_vs_dest_dst {
struct rcu_head rcu_head;
};
-/* In grace period after removing */
-#define IP_VS_DEST_STATE_REMOVING 0x01
/*
* The real server destination forwarding entry
* with ip address, port number, and so on.
@@ -742,7 +740,7 @@ struct ip_vs_dest {
atomic_t refcnt; /* reference counter */
struct ip_vs_stats stats; /* statistics */
- unsigned long state; /* state flags */
+ unsigned long idle_start; /* start time, jiffies */
/* connection counters and thresholds */
atomic_t activeconns; /* active connections */
@@ -756,14 +754,13 @@ struct ip_vs_dest {
struct ip_vs_dest_dst __rcu *dest_dst; /* cached dst info */
/* for virtual service */
- struct ip_vs_service *svc; /* service it belongs to */
+ struct ip_vs_service __rcu *svc; /* service it belongs to */
__u16 protocol; /* which protocol (TCP/UDP) */
__be16 vport; /* virtual port number */
union nf_inet_addr vaddr; /* virtual IP address */
__u32 vfwmark; /* firewall mark of service */
struct list_head t_list; /* in dest_trash */
- struct rcu_head rcu_head;
unsigned int in_rs_table:1; /* we are in rs_table */
};
@@ -1649,7 +1646,7 @@ static inline void ip_vs_conn_drop_conntrack(struct ip_vs_conn *cp)
/* CONFIG_IP_VS_NFCT */
#endif
-static inline unsigned int
+static inline int
ip_vs_dest_conn_overhead(struct ip_vs_dest *dest)
{
/*
diff --git a/include/net/mrp.h b/include/net/mrp.h
index 4fbf02aa2ec1..0f7558b638ae 100644
--- a/include/net/mrp.h
+++ b/include/net/mrp.h
@@ -112,6 +112,7 @@ struct mrp_applicant {
struct mrp_application *app;
struct net_device *dev;
struct timer_list join_timer;
+ struct timer_list periodic_timer;
spinlock_t lock;
struct sk_buff_head queue;
diff --git a/include/net/net_namespace.h b/include/net/net_namespace.h
index 1313456a0994..9d22f08896c6 100644
--- a/include/net/net_namespace.h
+++ b/include/net/net_namespace.h
@@ -74,6 +74,7 @@ struct net {
struct hlist_head *dev_index_head;
unsigned int dev_base_seq; /* protected by rtnl_mutex */
int ifindex;
+ unsigned int dev_unreg_count;
/* core fib_rules */
struct list_head rules_ops;
diff --git a/include/net/netfilter/nf_conntrack_synproxy.h b/include/net/netfilter/nf_conntrack_synproxy.h
index 806f54a290d6..f572f313d6f1 100644
--- a/include/net/netfilter/nf_conntrack_synproxy.h
+++ b/include/net/netfilter/nf_conntrack_synproxy.h
@@ -56,7 +56,7 @@ struct synproxy_options {
struct tcphdr;
struct xt_synproxy_info;
-extern void synproxy_parse_options(const struct sk_buff *skb, unsigned int doff,
+extern bool synproxy_parse_options(const struct sk_buff *skb, unsigned int doff,
const struct tcphdr *th,
struct synproxy_options *opts);
extern unsigned int synproxy_options_size(const struct synproxy_options *opts);
diff --git a/include/net/secure_seq.h b/include/net/secure_seq.h
index 6ca975bebd37..c2e542b27a5a 100644
--- a/include/net/secure_seq.h
+++ b/include/net/secure_seq.h
@@ -3,7 +3,6 @@
#include <linux/types.h>
-extern void net_secret_init(void);
extern __u32 secure_ip_id(__be32 daddr);
extern __u32 secure_ipv6_id(const __be32 daddr[4]);
extern u32 secure_ipv4_port_ephemeral(__be32 saddr, __be32 daddr, __be16 dport);
diff --git a/include/net/sock.h b/include/net/sock.h
index 6ba2e7b0e2b1..1d37a8086bed 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -409,6 +409,11 @@ struct sock {
void (*sk_destruct)(struct sock *sk);
};
+#define __sk_user_data(sk) ((*((void __rcu **)&(sk)->sk_user_data)))
+
+#define rcu_dereference_sk_user_data(sk) rcu_dereference(__sk_user_data((sk)))
+#define rcu_assign_sk_user_data(sk, ptr) rcu_assign_pointer(__sk_user_data((sk)), ptr)
+
/*
* SK_CAN_REUSE and SK_NO_REUSE on a socket mean that the socket is OK
* or not whether his port will be reused by someone else. SK_FORCE_REUSE
diff --git a/include/uapi/drm/radeon_drm.h b/include/uapi/drm/radeon_drm.h
index fa8b3adf9ffb..46d41e8b0dcc 100644
--- a/include/uapi/drm/radeon_drm.h
+++ b/include/uapi/drm/radeon_drm.h
@@ -1007,4 +1007,6 @@ struct drm_radeon_info {
#define SI_TILE_MODE_DEPTH_STENCIL_2D_4AA 3
#define SI_TILE_MODE_DEPTH_STENCIL_2D_8AA 2
+#define CIK_TILE_MODE_DEPTH_STENCIL_1D 5
+
#endif
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 40a1fb807396..009a655a5d35 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -380,10 +380,13 @@ struct perf_event_mmap_page {
union {
__u64 capabilities;
struct {
- __u64 cap_usr_time : 1,
- cap_usr_rdpmc : 1,
- cap_usr_time_zero : 1,
- cap_____res : 61;
+ __u64 cap_bit0 : 1, /* Always 0, deprecated, see commit 860f085b74e9 */
+ cap_bit0_is_deprecated : 1, /* Always 1, signals that bit 0 is zero */
+
+ cap_user_rdpmc : 1, /* The RDPMC instruction can be used to read counts */
+ cap_user_time : 1, /* The time_* fields are used */
+ cap_user_time_zero : 1, /* The time_zero field is used */
+ cap_____res : 59;
};
};
@@ -442,12 +445,13 @@ struct perf_event_mmap_page {
* ((rem * time_mult) >> time_shift);
*/
__u64 time_zero;
+ __u32 size; /* Header size up to __reserved[] fields. */
/*
* Hole for extension of the self monitor capabilities
*/
- __u64 __reserved[119]; /* align to 1k */
+ __u8 __reserved[118*8+4]; /* align to 1k. */
/*
* Control data for the mmap() data buffer.
@@ -528,6 +532,7 @@ enum perf_event_type {
* u64 len;
* u64 pgoff;
* char filename[];
+ * struct sample_id sample_id;
* };
*/
PERF_RECORD_MMAP = 1,
diff --git a/ipc/msg.c b/ipc/msg.c
index b0d541d42677..558aa91186b6 100644
--- a/ipc/msg.c
+++ b/ipc/msg.c
@@ -165,6 +165,15 @@ static inline void msg_rmid(struct ipc_namespace *ns, struct msg_queue *s)
ipc_rmid(&msg_ids(ns), &s->q_perm);
}
+static void msg_rcu_free(struct rcu_head *head)
+{
+ struct ipc_rcu *p = container_of(head, struct ipc_rcu, rcu);
+ struct msg_queue *msq = ipc_rcu_to_struct(p);
+
+ security_msg_queue_free(msq);
+ ipc_rcu_free(head);
+}
+
/**
* newque - Create a new msg queue
* @ns: namespace
@@ -189,15 +198,14 @@ static int newque(struct ipc_namespace *ns, struct ipc_params *params)
msq->q_perm.security = NULL;
retval = security_msg_queue_alloc(msq);
if (retval) {
- ipc_rcu_putref(msq);
+ ipc_rcu_putref(msq, ipc_rcu_free);
return retval;
}
/* ipc_addid() locks msq upon success. */
id = ipc_addid(&msg_ids(ns), &msq->q_perm, ns->msg_ctlmni);
if (id < 0) {
- security_msg_queue_free(msq);
- ipc_rcu_putref(msq);
+ ipc_rcu_putref(msq, msg_rcu_free);
return id;
}
@@ -276,8 +284,7 @@ static void freeque(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
free_msg(msg);
}
atomic_sub(msq->q_cbytes, &ns->msg_bytes);
- security_msg_queue_free(msq);
- ipc_rcu_putref(msq);
+ ipc_rcu_putref(msq, msg_rcu_free);
}
/*
@@ -688,6 +695,12 @@ long do_msgsnd(int msqid, long mtype, void __user *mtext,
if (ipcperms(ns, &msq->q_perm, S_IWUGO))
goto out_unlock0;
+ /* raced with RMID? */
+ if (msq->q_perm.deleted) {
+ err = -EIDRM;
+ goto out_unlock0;
+ }
+
err = security_msg_queue_msgsnd(msq, msg, msgflg);
if (err)
goto out_unlock0;
@@ -717,7 +730,7 @@ long do_msgsnd(int msqid, long mtype, void __user *mtext,
rcu_read_lock();
ipc_lock_object(&msq->q_perm);
- ipc_rcu_putref(msq);
+ ipc_rcu_putref(msq, ipc_rcu_free);
if (msq->q_perm.deleted) {
err = -EIDRM;
goto out_unlock0;
@@ -894,6 +907,13 @@ long do_msgrcv(int msqid, void __user *buf, size_t bufsz, long msgtyp, int msgfl
goto out_unlock1;
ipc_lock_object(&msq->q_perm);
+
+ /* raced with RMID? */
+ if (msq->q_perm.deleted) {
+ msg = ERR_PTR(-EIDRM);
+ goto out_unlock0;
+ }
+
msg = find_msg(msq, &msgtyp, mode);
if (!IS_ERR(msg)) {
/*
diff --git a/ipc/sem.c b/ipc/sem.c
index 69b6a21f3844..8c4f59b0204a 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -243,71 +243,122 @@ static void merge_queues(struct sem_array *sma)
}
}
+static void sem_rcu_free(struct rcu_head *head)
+{
+ struct ipc_rcu *p = container_of(head, struct ipc_rcu, rcu);
+ struct sem_array *sma = ipc_rcu_to_struct(p);
+
+ security_sem_free(sma);
+ ipc_rcu_free(head);
+}
+
+/*
+ * Wait until all currently ongoing simple ops have completed.
+ * Caller must own sem_perm.lock.
+ * New simple ops cannot start, because simple ops first check
+ * that sem_perm.lock is free.
+ * that a) sem_perm.lock is free and b) complex_count is 0.
+ */
+static void sem_wait_array(struct sem_array *sma)
+{
+ int i;
+ struct sem *sem;
+
+ if (sma->complex_count) {
+ /* The thread that increased sma->complex_count waited on
+ * all sem->lock locks. Thus we don't need to wait again.
+ */
+ return;
+ }
+
+ for (i = 0; i < sma->sem_nsems; i++) {
+ sem = sma->sem_base + i;
+ spin_unlock_wait(&sem->lock);
+ }
+}
+
/*
* If the request contains only one semaphore operation, and there are
* no complex transactions pending, lock only the semaphore involved.
* Otherwise, lock the entire semaphore array, since we either have
* multiple semaphores in our own semops, or we need to look at
* semaphores from other pending complex operations.
- *
- * Carefully guard against sma->complex_count changing between zero
- * and non-zero while we are spinning for the lock. The value of
- * sma->complex_count cannot change while we are holding the lock,
- * so sem_unlock should be fine.
- *
- * The global lock path checks that all the local locks have been released,
- * checking each local lock once. This means that the local lock paths
- * cannot start their critical sections while the global lock is held.
*/
static inline int sem_lock(struct sem_array *sma, struct sembuf *sops,
int nsops)
{
- int locknum;
- again:
- if (nsops == 1 && !sma->complex_count) {
- struct sem *sem = sma->sem_base + sops->sem_num;
+ struct sem *sem;
- /* Lock just the semaphore we are interested in. */
- spin_lock(&sem->lock);
+ if (nsops != 1) {
+ /* Complex operation - acquire a full lock */
+ ipc_lock_object(&sma->sem_perm);
- /*
- * If sma->complex_count was set while we were spinning,
- * we may need to look at things we did not lock here.
+ /* And wait until all simple ops that are processed
+ * right now have dropped their locks.
*/
- if (unlikely(sma->complex_count)) {
- spin_unlock(&sem->lock);
- goto lock_array;
- }
+ sem_wait_array(sma);
+ return -1;
+ }
+
+ /*
+ * Only one semaphore affected - try to optimize locking.
+ * The rules are:
+ * - optimized locking is possible if no complex operation
+ * is either enqueued or processed right now.
+ * - The test for enqueued complex ops is simple:
+ * sma->complex_count != 0
+ * - Testing for complex ops that are processed right now is
+ * a bit more difficult. Complex ops acquire the full lock
+ * and first wait that the running simple ops have completed.
+ * (see above)
+ * Thus: If we own a simple lock and the global lock is free
+ * and complex_count is now 0, then it will stay 0 and
+ * thus just locking sem->lock is sufficient.
+ */
+ sem = sma->sem_base + sops->sem_num;
+ if (sma->complex_count == 0) {
/*
- * Another process is holding the global lock on the
- * sem_array; we cannot enter our critical section,
- * but have to wait for the global lock to be released.
+ * It appears that no complex operation is around.
+ * Acquire the per-semaphore lock.
*/
- if (unlikely(spin_is_locked(&sma->sem_perm.lock))) {
- spin_unlock(&sem->lock);
- spin_unlock_wait(&sma->sem_perm.lock);
- goto again;
+ spin_lock(&sem->lock);
+
+ /* Then check that the global lock is free */
+ if (!spin_is_locked(&sma->sem_perm.lock)) {
+ /* spin_is_locked() is not a memory barrier */
+ smp_mb();
+
+ /* Now repeat the test of complex_count:
+ * It can't change anymore until we drop sem->lock.
+ * Thus: if is now 0, then it will stay 0.
+ */
+ if (sma->complex_count == 0) {
+ /* fast path successful! */
+ return sops->sem_num;
+ }
}
+ spin_unlock(&sem->lock);
+ }
- locknum = sops->sem_num;
+ /* slow path: acquire the full lock */
+ ipc_lock_object(&sma->sem_perm);
+
+ if (sma->complex_count == 0) {
+ /* False alarm:
+ * There is no complex operation, thus we can switch
+ * back to the fast path.
+ */
+ spin_lock(&sem->lock);
+ ipc_unlock_object(&sma->sem_perm);
+ return sops->sem_num;
} else {
- int i;
- /*
- * Lock the semaphore array, and wait for all of the
- * individual semaphore locks to go away. The code
- * above ensures no new single-lock holders will enter
- * their critical section while the array lock is held.
+ /* Not a false alarm, thus complete the sequence for a
+ * full lock.
*/
- lock_array:
- ipc_lock_object(&sma->sem_perm);
- for (i = 0; i < sma->sem_nsems; i++) {
- struct sem *sem = sma->sem_base + i;
- spin_unlock_wait(&sem->lock);
- }
- locknum = -1;
+ sem_wait_array(sma);
+ return -1;
}
- return locknum;
}
static inline void sem_unlock(struct sem_array *sma, int locknum)
@@ -374,12 +425,7 @@ static inline struct sem_array *sem_obtain_object_check(struct ipc_namespace *ns
static inline void sem_lock_and_putref(struct sem_array *sma)
{
sem_lock(sma, NULL, -1);
- ipc_rcu_putref(sma);
-}
-
-static inline void sem_putref(struct sem_array *sma)
-{
- ipc_rcu_putref(sma);
+ ipc_rcu_putref(sma, ipc_rcu_free);
}
static inline void sem_rmid(struct ipc_namespace *ns, struct sem_array *s)
@@ -458,14 +504,13 @@ static int newary(struct ipc_namespace *ns, struct ipc_params *params)
sma->sem_perm.security = NULL;
retval = security_sem_alloc(sma);
if (retval) {
- ipc_rcu_putref(sma);
+ ipc_rcu_putref(sma, ipc_rcu_free);
return retval;
}
id = ipc_addid(&sem_ids(ns), &sma->sem_perm, ns->sc_semmni);
if (id < 0) {
- security_sem_free(sma);
- ipc_rcu_putref(sma);
+ ipc_rcu_putref(sma, sem_rcu_free);
return id;
}
ns->used_sems += nsems;
@@ -873,6 +918,24 @@ again:
}
/**
+ * set_semotime(sma, sops) - set sem_otime
+ * @sma: semaphore array
+ * @sops: operations that modified the array, may be NULL
+ *
+ * sem_otime is replicated to avoid cache line trashing.
+ * This function sets one instance to the current time.
+ */
+static void set_semotime(struct sem_array *sma, struct sembuf *sops)
+{
+ if (sops == NULL) {
+ sma->sem_base[0].sem_otime = get_seconds();
+ } else {
+ sma->sem_base[sops[0].sem_num].sem_otime =
+ get_seconds();
+ }
+}
+
+/**
* do_smart_update(sma, sops, nsops, otime, pt) - optimized update_queue
* @sma: semaphore array
* @sops: operations that were performed
@@ -922,17 +985,10 @@ static void do_smart_update(struct sem_array *sma, struct sembuf *sops, int nsop
}
}
}
- if (otime) {
- if (sops == NULL) {
- sma->sem_base[0].sem_otime = get_seconds();
- } else {
- sma->sem_base[sops[0].sem_num].sem_otime =
- get_seconds();
- }
- }
+ if (otime)
+ set_semotime(sma, sops);
}
-
/* The following counts are associated to each semaphore:
* semncnt number of tasks waiting on semval being nonzero
* semzcnt number of tasks waiting on semval being zero
@@ -1047,8 +1103,7 @@ static void freeary(struct ipc_namespace *ns, struct kern_ipc_perm *ipcp)
wake_up_sem_queue_do(&tasks);
ns->used_sems -= sma->sem_nsems;
- security_sem_free(sma);
- ipc_rcu_putref(sma);
+ ipc_rcu_putref(sma, sem_rcu_free);
}
static unsigned long copy_semid_to_user(void __user *buf, struct semid64_ds *in, int version)
@@ -1292,7 +1347,7 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,
rcu_read_unlock();
sem_io = ipc_alloc(sizeof(ushort)*nsems);
if(sem_io == NULL) {
- sem_putref(sma);
+ ipc_rcu_putref(sma, ipc_rcu_free);
return -ENOMEM;
}
@@ -1328,20 +1383,20 @@ static int semctl_main(struct ipc_namespace *ns, int semid, int semnum,
if(nsems > SEMMSL_FAST) {
sem_io = ipc_alloc(sizeof(ushort)*nsems);
if(sem_io == NULL) {
- sem_putref(sma);
+ ipc_rcu_putref(sma, ipc_rcu_free);
return -ENOMEM;
}
}
if (copy_from_user (sem_io, p, nsems*sizeof(ushort))) {
- sem_putref(sma);
+ ipc_rcu_putref(sma, ipc_rcu_free);
err = -EFAULT;
goto out_free;
}
for (i = 0; i < nsems; i++) {
if (sem_io[i] > SEMVMX) {
- sem_putref(sma);
+ ipc_rcu_putref(sma, ipc_rcu_free);
err = -ERANGE;
goto out_free;
}
@@ -1629,7 +1684,7 @@ static struct sem_undo *find_alloc_undo(struct ipc_namespace *ns, int semid)
/* step 2: allocate new undo structure */
new = kzalloc(sizeof(struct sem_undo) + sizeof(short)*nsems, GFP_KERNEL);
if (!new) {
- sem_putref(sma);
+ ipc_rcu_putref(sma, ipc_rcu_free);
return ERR_PTR(-ENOMEM);
}
@@ -1795,12 +1850,17 @@ SYSCALL_DEFINE4(semtimedop, int, semid, struct sembuf __user *, tsops,
error = perform_atomic_semop(sma, sops, nsops, un,
task_tgid_vnr(current));
- if (error <= 0) {
- if (alter && error == 0)
+ if (error == 0) {
+ /* If the operation was successful, then do
+ * the required updates.
+ */
+ if (alter)
do_smart_update(sma, sops, nsops, 1, &tasks);
-
- goto out_unlock_free;
+ else
+ set_semotime(sma, sops);
}
+ if (error <= 0)
+ goto out_unlock_free;
/* We need to sleep on this operation, so we put the current
* task into the pending queue and go to sleep.
@@ -2059,6 +2119,14 @@ static int sysvipc_sem_proc_show(struct seq_file *s, void *it)
struct sem_array *sma = it;
time_t sem_otime;
+ /*
+ * The proc interface isn't aware of sem_lock(), it calls
+ * ipc_lock_object() directly (in sysvipc_find_ipc).
+ * In order to stay compatible with sem_lock(), we must wait until
+ * all simple semop() calls have left their critical regions.
+ */
+ sem_wait_array(sma);
+
sem_otime = get_semotime(sma);
return seq_printf(s,
diff --git a/ipc/shm.c b/ipc/shm.c
index 2821cdf93adb..d69739610fd4 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -167,6 +167,15 @@ static inline void shm_lock_by_ptr(struct shmid_kernel *ipcp)
ipc_lock_object(&ipcp->shm_perm);
}
+static void shm_rcu_free(struct rcu_head *head)
+{
+ struct ipc_rcu *p = container_of(head, struct ipc_rcu, rcu);
+ struct shmid_kernel *shp = ipc_rcu_to_struct(p);
+
+ security_shm_free(shp);
+ ipc_rcu_free(head);
+}
+
static inline void shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *s)
{
ipc_rmid(&shm_ids(ns), &s->shm_perm);
@@ -208,8 +217,7 @@ static void shm_destroy(struct ipc_namespace *ns, struct shmid_kernel *shp)
user_shm_unlock(file_inode(shp->shm_file)->i_size,
shp->mlock_user);
fput (shp->shm_file);
- security_shm_free(shp);
- ipc_rcu_putref(shp);
+ ipc_rcu_putref(shp, shm_rcu_free);
}
/*
@@ -497,7 +505,7 @@ static int newseg(struct ipc_namespace *ns, struct ipc_params *params)
shp->shm_perm.security = NULL;
error = security_shm_alloc(shp);
if (error) {
- ipc_rcu_putref(shp);
+ ipc_rcu_putref(shp, ipc_rcu_free);
return error;
}
@@ -566,8 +574,7 @@ no_id:
user_shm_unlock(size, shp->mlock_user);
fput(file);
no_file:
- security_shm_free(shp);
- ipc_rcu_putref(shp);
+ ipc_rcu_putref(shp, shm_rcu_free);
return error;
}
diff --git a/ipc/util.c b/ipc/util.c
index e829da9ed01f..fdb8ae740775 100644
--- a/ipc/util.c
+++ b/ipc/util.c
@@ -474,11 +474,6 @@ void ipc_free(void* ptr, int size)
kfree(ptr);
}
-struct ipc_rcu {
- struct rcu_head rcu;
- atomic_t refcount;
-} ____cacheline_aligned_in_smp;
-
/**
* ipc_rcu_alloc - allocate ipc and rcu space
* @size: size desired
@@ -505,27 +500,24 @@ int ipc_rcu_getref(void *ptr)
return atomic_inc_not_zero(&p->refcount);
}
-/**
- * ipc_schedule_free - free ipc + rcu space
- * @head: RCU callback structure for queued work
- */
-static void ipc_schedule_free(struct rcu_head *head)
-{
- vfree(container_of(head, struct ipc_rcu, rcu));
-}
-
-void ipc_rcu_putref(void *ptr)
+void ipc_rcu_putref(void *ptr, void (*func)(struct rcu_head *head))
{
struct ipc_rcu *p = ((struct ipc_rcu *)ptr) - 1;
if (!atomic_dec_and_test(&p->refcount))
return;
- if (is_vmalloc_addr(ptr)) {
- call_rcu(&p->rcu, ipc_schedule_free);
- } else {
- kfree_rcu(p, rcu);
- }
+ call_rcu(&p->rcu, func);
+}
+
+void ipc_rcu_free(struct rcu_head *head)
+{
+ struct ipc_rcu *p = container_of(head, struct ipc_rcu, rcu);
+
+ if (is_vmalloc_addr(p))
+ vfree(p);
+ else
+ kfree(p);
}
/**
diff --git a/ipc/util.h b/ipc/util.h
index c5f3338ba1fa..f2f5036f2eed 100644
--- a/ipc/util.h
+++ b/ipc/util.h
@@ -47,6 +47,13 @@ static inline void msg_exit_ns(struct ipc_namespace *ns) { }
static inline void shm_exit_ns(struct ipc_namespace *ns) { }
#endif
+struct ipc_rcu {
+ struct rcu_head rcu;
+ atomic_t refcount;
+} ____cacheline_aligned_in_smp;
+
+#define ipc_rcu_to_struct(p) ((void *)(p+1))
+
/*
* Structure that holds the parameters needed by the ipc operations
* (see after)
@@ -120,7 +127,8 @@ void ipc_free(void* ptr, int size);
*/
void* ipc_rcu_alloc(int size);
int ipc_rcu_getref(void *ptr);
-void ipc_rcu_putref(void *ptr);
+void ipc_rcu_putref(void *ptr, void (*func)(struct rcu_head *head));
+void ipc_rcu_free(struct rcu_head *head);
struct kern_ipc_perm *ipc_lock(struct ipc_ids *, int);
struct kern_ipc_perm *ipc_obtain_object(struct ipc_ids *ids, int id);
diff --git a/kernel/audit.c b/kernel/audit.c
index 91e53d04b6a9..7b0e23a740ce 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -1117,9 +1117,10 @@ struct audit_buffer *audit_log_start(struct audit_context *ctx, gfp_t gfp_mask,
sleep_time = timeout_start + audit_backlog_wait_time -
jiffies;
- if ((long)sleep_time > 0)
+ if ((long)sleep_time > 0) {
wait_for_auditd(sleep_time);
- continue;
+ continue;
+ }
}
if (audit_rate_check() && printk_ratelimit())
printk(KERN_WARNING
diff --git a/kernel/context_tracking.c b/kernel/context_tracking.c
index 247091bf0587..859c8dfd78a1 100644
--- a/kernel/context_tracking.c
+++ b/kernel/context_trackin