diff options
Diffstat (limited to 'arch')
47 files changed, 1136 insertions, 192 deletions
diff --git a/arch/arm/configs/s3c2410_defconfig b/arch/arm/configs/s3c2410_defconfig index 43af89c027d9..44cea2ddd22b 100644 --- a/arch/arm/configs/s3c2410_defconfig +++ b/arch/arm/configs/s3c2410_defconfig @@ -1,7 +1,7 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.34 -# Wed May 26 19:04:29 2010 +# Fri May 28 19:15:48 2010 # CONFIG_ARM=y CONFIG_HAVE_PWM=y @@ -250,12 +250,15 @@ CONFIG_S3C_BOOT_UART_FORCE_FIFO=y CONFIG_S3C_LOWLEVEL_UART_PORT=0 CONFIG_SAMSUNG_CLKSRC=y CONFIG_S3C_GPIO_CFG_S3C24XX=y +CONFIG_S3C_GPIO_PULL_UPDOWN=y CONFIG_S3C_GPIO_PULL_UP=y CONFIG_SAMSUNG_GPIO_EXTRA=0 CONFIG_S3C_GPIO_SPACE=0 CONFIG_S3C_ADC=y CONFIG_S3C_DEV_HSMMC=y +CONFIG_S3C_DEV_HSMMC1=y CONFIG_S3C_DEV_HWMON=y +CONFIG_S3C_DEV_FB=y CONFIG_S3C_DEV_USB_HOST=y CONFIG_S3C_DEV_WDT=y CONFIG_S3C_DEV_NAND=y @@ -322,11 +325,13 @@ CONFIG_MACH_SMDK2413=y CONFIG_MACH_S3C2413=y CONFIG_MACH_SMDK2412=y CONFIG_MACH_VSTMS=y +CONFIG_CPU_S3C2416=y +CONFIG_S3C2416_DMA=y # # S3C2416 Machines # -# CONFIG_MACH_SMDK2416 is not set +CONFIG_MACH_SMDK2416=y CONFIG_CPU_S3C2440=y CONFIG_CPU_S3C2442=y CONFIG_CPU_S3C244X=y @@ -338,9 +343,9 @@ CONFIG_S3C2440_DMA=y # S3C2440 and S3C2442 Machines # CONFIG_MACH_ANUBIS=y -# CONFIG_MACH_NEO1973_GTA02 is not set +CONFIG_MACH_NEO1973_GTA02=y CONFIG_MACH_OSIRIS=y -# CONFIG_MACH_OSIRIS_DVS is not set +CONFIG_MACH_OSIRIS_DVS=m CONFIG_MACH_RX3715=y CONFIG_ARCH_S3C2440=y CONFIG_MACH_NEXCODER_2440=y @@ -348,7 +353,7 @@ CONFIG_SMDK2440_CPU2440=y CONFIG_SMDK2440_CPU2442=y CONFIG_MACH_AT2440EVB=y CONFIG_MACH_MINI2440=y -# CONFIG_MACH_RX1950 is not set +CONFIG_MACH_RX1950=y CONFIG_CPU_S3C2443=y CONFIG_S3C2443_DMA=y @@ -1302,6 +1307,7 @@ CONFIG_INPUT_POWERMATE=m CONFIG_INPUT_YEALINK=m CONFIG_INPUT_CM109=m CONFIG_INPUT_UINPUT=m +# CONFIG_INPUT_PCF50633_PMU is not set # CONFIG_INPUT_PCF8574 is not set CONFIG_INPUT_GPIO_ROTARY_ENCODER=m @@ -1490,7 +1496,16 @@ CONFIG_GPIOLIB=y # AC97 GPIO expanders: # # CONFIG_W1 is not set -# CONFIG_POWER_SUPPLY is not set +CONFIG_POWER_SUPPLY=y +# CONFIG_POWER_SUPPLY_DEBUG is not set +# CONFIG_PDA_POWER is not set +# CONFIG_APM_POWER is not set +# CONFIG_TEST_POWER is not set +# CONFIG_BATTERY_DS2760 is not set +# CONFIG_BATTERY_DS2782 is not set +# CONFIG_BATTERY_BQ27x00 is not set +# CONFIG_BATTERY_MAX17040 is not set +# CONFIG_CHARGER_PCF50633 is not set CONFIG_HWMON=y CONFIG_HWMON_VID=m # CONFIG_HWMON_DEBUG_CHIP is not set @@ -1607,7 +1622,7 @@ CONFIG_MFD_SM501=y # CONFIG_HTC_PASIC3 is not set # CONFIG_HTC_I2CPLD is not set # CONFIG_UCB1400_CORE is not set -# CONFIG_TPS65010 is not set +CONFIG_TPS65010=m # CONFIG_TWL4030_CORE is not set # CONFIG_MFD_TMIO is not set # CONFIG_MFD_T7L66XB is not set @@ -1620,8 +1635,10 @@ CONFIG_MFD_SM501=y # CONFIG_MFD_WM831X is not set # CONFIG_MFD_WM8350_I2C is not set # CONFIG_MFD_WM8994 is not set -# CONFIG_MFD_PCF50633 is not set +CONFIG_MFD_PCF50633=y # CONFIG_MFD_MC13783 is not set +# CONFIG_PCF50633_ADC is not set +CONFIG_PCF50633_GPIO=y # CONFIG_AB3100_CORE is not set # CONFIG_EZX_PCAP is not set # CONFIG_AB4500_CORE is not set @@ -1737,6 +1754,7 @@ CONFIG_SND_S3C24XX_SOC_I2S=y CONFIG_SND_S3C_I2SV2_SOC=m CONFIG_SND_S3C2412_SOC_I2S=m CONFIG_SND_S3C_SOC_AC97=m +# CONFIG_SND_S3C24XX_SOC_NEO1973_GTA02_WM8753 is not set CONFIG_SND_S3C24XX_SOC_JIVE_WM8750=m CONFIG_SND_S3C24XX_SOC_SMDK2443_WM9710=m CONFIG_SND_S3C24XX_SOC_LN2440SBC_ALC650=m @@ -2045,6 +2063,7 @@ CONFIG_RTC_INTF_DEV=y # CONFIG_RTC_DRV_BQ4802 is not set # CONFIG_RTC_DRV_RP5C01 is not set # CONFIG_RTC_DRV_V3020 is not set +# CONFIG_RTC_DRV_PCF50633 is not set # # on-CPU RTC drivers diff --git a/arch/arm/configs/s3c6400_defconfig b/arch/arm/configs/s3c6400_defconfig index 7d8b4cf3858c..2b642386f030 100644 --- a/arch/arm/configs/s3c6400_defconfig +++ b/arch/arm/configs/s3c6400_defconfig @@ -1,9 +1,10 @@ # # Automatically generated make config: don't edit # Linux kernel version: 2.6.34 -# Wed May 26 19:04:30 2010 +# Fri May 28 19:05:39 2010 # CONFIG_ARM=y +CONFIG_HAVE_PWM=y CONFIG_SYS_SUPPORTS_APM_EMULATION=y CONFIG_GENERIC_GPIO=y CONFIG_GENERIC_TIME=y @@ -253,12 +254,15 @@ CONFIG_S3C_GPIO_TRACK=y # CONFIG_S3C_ADC is not set CONFIG_S3C_DEV_HSMMC=y CONFIG_S3C_DEV_HSMMC1=y +CONFIG_S3C_DEV_HSMMC2=y +CONFIG_S3C_DEV_HWMON=y CONFIG_S3C_DEV_I2C1=y CONFIG_S3C_DEV_FB=y CONFIG_S3C_DEV_USB_HOST=y CONFIG_S3C_DEV_USB_HSOTG=y CONFIG_S3C_DEV_WDT=y CONFIG_S3C_DEV_NAND=y +CONFIG_S3C_DEV_RTC=y CONFIG_SAMSUNG_DEV_ADC=y CONFIG_SAMSUNG_DEV_TS=y CONFIG_S3C_DMA=y @@ -271,6 +275,7 @@ CONFIG_S3C_DMA=y # CONFIG_SAMSUNG_PM_CHECK is not set CONFIG_SAMSUNG_WAKEMASK=y CONFIG_PLAT_S3C64XX=y +CONFIG_CPU_S3C6400=y CONFIG_CPU_S3C6410=y CONFIG_S3C64XX_DMA=y CONFIG_S3C64XX_SETUP_SDHCI=y @@ -278,17 +283,18 @@ CONFIG_S3C64XX_SETUP_I2C0=y CONFIG_S3C64XX_SETUP_I2C1=y CONFIG_S3C64XX_SETUP_FB_24BPP=y CONFIG_S3C64XX_SETUP_SDHCI_GPIO=y -# CONFIG_MACH_SMDK6400 is not set -# CONFIG_MACH_ANW6410 is not set +CONFIG_MACH_SMDK6400=y +CONFIG_MACH_ANW6410=y CONFIG_MACH_SMDK6410=y CONFIG_SMDK6410_SD_CH0=y # CONFIG_SMDK6410_SD_CH1 is not set # CONFIG_SMDK6410_WM1190_EV1 is not set # CONFIG_SMDK6410_WM1192_EV1 is not set -# CONFIG_MACH_NCP is not set -# CONFIG_MACH_HMT is not set -# CONFIG_MACH_SMARTQ5 is not set -# CONFIG_MACH_SMARTQ7 is not set +CONFIG_MACH_NCP=y +CONFIG_MACH_HMT=y +CONFIG_MACH_SMARTQ=y +CONFIG_MACH_SMARTQ5=y +CONFIG_MACH_SMARTQ7=y # # Processor Type @@ -475,6 +481,9 @@ CONFIG_MTD_CFI_I2=y # # Self-contained MTD device drivers # +# CONFIG_MTD_DATAFLASH is not set +# CONFIG_MTD_M25P80 is not set +# CONFIG_MTD_SST25L is not set # CONFIG_MTD_SLRAM is not set # CONFIG_MTD_PHRAM is not set # CONFIG_MTD_MTDRAM is not set @@ -501,6 +510,7 @@ CONFIG_MTD_NAND_S3C2410=y # CONFIG_MTD_NAND_S3C2410_CLKSTOP is not set # CONFIG_MTD_NAND_DISKONCHIP is not set # CONFIG_MTD_NAND_PLATFORM is not set +# CONFIG_MTD_ALAUDA is not set # CONFIG_MTD_ONENAND is not set # @@ -521,6 +531,7 @@ CONFIG_BLK_DEV_LOOP=y # # DRBD disabled because PROC_FS, INET or CONNECTOR not selected # +# CONFIG_BLK_DEV_UB is not set CONFIG_BLK_DEV_RAM=y CONFIG_BLK_DEV_RAM_COUNT=16 CONFIG_BLK_DEV_RAM_SIZE=4096 @@ -534,12 +545,14 @@ CONFIG_MISC_DEVICES=y # CONFIG_ISL29003 is not set # CONFIG_SENSORS_TSL2550 is not set # CONFIG_DS1682 is not set +# CONFIG_TI_DAC7512 is not set # CONFIG_C2PORT is not set # # EEPROM support # CONFIG_EEPROM_AT24=y +# CONFIG_EEPROM_AT25 is not set # CONFIG_EEPROM_LEGACY is not set # CONFIG_EEPROM_MAX6875 is not set # CONFIG_EEPROM_93CX6 is not set @@ -654,6 +667,7 @@ CONFIG_SERIAL_SAMSUNG_UARTS=4 # CONFIG_SERIAL_SAMSUNG_DEBUG is not set CONFIG_SERIAL_SAMSUNG_CONSOLE=y CONFIG_SERIAL_S3C6400=y +# CONFIG_SERIAL_MAX3100 is not set CONFIG_SERIAL_CORE=y CONFIG_SERIAL_CORE_CONSOLE=y # CONFIG_SERIAL_TIMBERDALE is not set @@ -694,6 +708,7 @@ CONFIG_I2C_S3C2410=y # # CONFIG_I2C_PARPORT_LIGHT is not set # CONFIG_I2C_TAOS_EVM is not set +# CONFIG_I2C_TINY_USB is not set # # Other I2C/SMBus bus drivers @@ -703,7 +718,24 @@ CONFIG_I2C_S3C2410=y # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEBUG_ALGO is not set # CONFIG_I2C_DEBUG_BUS is not set -# CONFIG_SPI is not set +CONFIG_SPI=y +# CONFIG_SPI_DEBUG is not set +CONFIG_SPI_MASTER=y + +# +# SPI Master Controller Drivers +# +CONFIG_SPI_BITBANG=m +CONFIG_SPI_GPIO=m +CONFIG_SPI_S3C64XX=m +# CONFIG_SPI_XILINX is not set +# CONFIG_SPI_DESIGNWARE is not set + +# +# SPI Protocol Masters +# +# CONFIG_SPI_SPIDEV is not set +# CONFIG_SPI_TLE62X0 is not set # # PPS support @@ -735,6 +767,9 @@ CONFIG_GPIOLIB=y # # SPI GPIO expanders: # +# CONFIG_GPIO_MAX7301 is not set +# CONFIG_GPIO_MCP23S08 is not set +# CONFIG_GPIO_MC33880 is not set # # AC97 GPIO expanders: @@ -750,6 +785,7 @@ CONFIG_HWMON=y # # CONFIG_SENSORS_AD7414 is not set # CONFIG_SENSORS_AD7418 is not set +# CONFIG_SENSORS_ADCXX is not set # CONFIG_SENSORS_ADM1021 is not set # CONFIG_SENSORS_ADM1025 is not set # CONFIG_SENSORS_ADM1026 is not set @@ -771,6 +807,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_GL520SM is not set # CONFIG_SENSORS_IT87 is not set # CONFIG_SENSORS_LM63 is not set +# CONFIG_SENSORS_LM70 is not set # CONFIG_SENSORS_LM73 is not set # CONFIG_SENSORS_LM75 is not set # CONFIG_SENSORS_LM77 is not set @@ -785,6 +822,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_LTC4215 is not set # CONFIG_SENSORS_LTC4245 is not set # CONFIG_SENSORS_LM95241 is not set +# CONFIG_SENSORS_MAX1111 is not set # CONFIG_SENSORS_MAX1619 is not set # CONFIG_SENSORS_MAX6650 is not set # CONFIG_SENSORS_PC87360 is not set @@ -796,6 +834,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_SMSC47M192 is not set # CONFIG_SENSORS_SMSC47B397 is not set # CONFIG_SENSORS_ADS7828 is not set +# CONFIG_SENSORS_ADS7871 is not set # CONFIG_SENSORS_AMC6821 is not set # CONFIG_SENSORS_THMC50 is not set # CONFIG_SENSORS_TMP401 is not set @@ -809,6 +848,7 @@ CONFIG_HWMON=y # CONFIG_SENSORS_W83L786NG is not set # CONFIG_SENSORS_W83627HF is not set # CONFIG_SENSORS_W83627EHF is not set +# CONFIG_SENSORS_LIS3_SPI is not set # CONFIG_SENSORS_LIS3_I2C is not set # CONFIG_THERMAL is not set # CONFIG_WATCHDOG is not set @@ -845,7 +885,10 @@ CONFIG_SSB_POSSIBLE=y # CONFIG_MFD_WM8350_I2C is not set # CONFIG_MFD_WM8994 is not set # CONFIG_MFD_PCF50633 is not set +# CONFIG_MFD_MC13783 is not set # CONFIG_AB3100_CORE is not set +# CONFIG_EZX_PCAP is not set +# CONFIG_AB4500_CORE is not set # CONFIG_REGULATOR is not set # CONFIG_MEDIA_SUPPORT is not set @@ -854,8 +897,47 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VGASTATE is not set # CONFIG_VIDEO_OUTPUT_CONTROL is not set -# CONFIG_FB is not set -# CONFIG_BACKLIGHT_LCD_SUPPORT is not set +CONFIG_FB=y +# CONFIG_FIRMWARE_EDID is not set +# CONFIG_FB_DDC is not set +# CONFIG_FB_BOOT_VESA_SUPPORT is not set +CONFIG_FB_CFB_FILLRECT=y +CONFIG_FB_CFB_COPYAREA=y +CONFIG_FB_CFB_IMAGEBLIT=y +# CONFIG_FB_CFB_REV_PIXELS_IN_BYTE is not set +# CONFIG_FB_SYS_FILLRECT is not set +# CONFIG_FB_SYS_COPYAREA is not set +# CONFIG_FB_SYS_IMAGEBLIT is not set +# CONFIG_FB_FOREIGN_ENDIAN is not set +# CONFIG_FB_SYS_FOPS is not set +# CONFIG_FB_SVGALIB is not set +# CONFIG_FB_MACMODES is not set +# CONFIG_FB_BACKLIGHT is not set +# CONFIG_FB_MODE_HELPERS is not set +# CONFIG_FB_TILEBLITTING is not set + +# +# Frame buffer hardware drivers +# +# CONFIG_FB_S1D13XXX is not set +CONFIG_FB_S3C=y +# CONFIG_FB_S3C_DEBUG_REGWRITE is not set +# CONFIG_FB_VIRTUAL is not set +# CONFIG_FB_METRONOME is not set +# CONFIG_FB_MB862XX is not set +# CONFIG_FB_BROADSHEET is not set +CONFIG_BACKLIGHT_LCD_SUPPORT=y +CONFIG_LCD_CLASS_DEVICE=y +# CONFIG_LCD_L4F00242T03 is not set +# CONFIG_LCD_LMS283GF05 is not set +CONFIG_LCD_LTV350QV=y +# CONFIG_LCD_ILI9320 is not set +# CONFIG_LCD_TDO24M is not set +# CONFIG_LCD_VGG2432A4 is not set +# CONFIG_LCD_PLATFORM is not set +CONFIG_BACKLIGHT_CLASS_DEVICE=y +CONFIG_BACKLIGHT_GENERIC=y +CONFIG_BACKLIGHT_PWM=y # # Display device support @@ -867,6 +949,8 @@ CONFIG_SSB_POSSIBLE=y # # CONFIG_VGA_CONSOLE is not set CONFIG_DUMMY_CONSOLE=y +# CONFIG_FRAMEBUFFER_CONSOLE is not set +# CONFIG_LOGO is not set CONFIG_SOUND=y CONFIG_SOUND_OSS_CORE=y CONFIG_SOUND_OSS_CORE_PRECLAIM=y @@ -895,6 +979,11 @@ CONFIG_SND_DRIVERS=y # CONFIG_SND_SERIAL_U16550 is not set # CONFIG_SND_MPU401 is not set CONFIG_SND_ARM=y +CONFIG_SND_SPI=y +CONFIG_SND_USB=y +# CONFIG_SND_USB_AUDIO is not set +# CONFIG_SND_USB_UA101 is not set +# CONFIG_SND_USB_CAIAQ is not set CONFIG_SND_SOC=m CONFIG_SND_SOC_AC97_BUS=y CONFIG_SND_S3C24XX_SOC=m @@ -909,29 +998,197 @@ CONFIG_AC97_BUS=m CONFIG_HID_SUPPORT=y CONFIG_HID=y # CONFIG_HIDRAW is not set + +# +# USB Input Devices +# +CONFIG_USB_HID=y # CONFIG_HID_PID is not set +# CONFIG_USB_HIDDEV is not set # # Special HID drivers # +# CONFIG_HID_3M_PCT is not set +CONFIG_HID_A4TECH=y +CONFIG_HID_APPLE=y +CONFIG_HID_BELKIN=y +# CONFIG_HID_CANDO is not set +CONFIG_HID_CHERRY=y +CONFIG_HID_CHICONY=y +# CONFIG_HID_PRODIKEYS is not set +CONFIG_HID_CYPRESS=y +# CONFIG_HID_DRAGONRISE is not set +# CONFIG_HID_EGALAX is not set +CONFIG_HID_EZKEY=y +CONFIG_HID_KYE=y +# CONFIG_HID_GYRATION is not set +# CONFIG_HID_TWINHAN is not set +CONFIG_HID_KENSINGTON=y +CONFIG_HID_LOGITECH=y +# CONFIG_LOGITECH_FF is not set +# CONFIG_LOGIRUMBLEPAD2_FF is not set +# CONFIG_LOGIG940_FF is not set +CONFIG_HID_MICROSOFT=y +# CONFIG_HID_MOSART is not set +CONFIG_HID_MONTEREY=y +# CONFIG_HID_NTRIG is not set +# CONFIG_HID_ORTEK is not set +# CONFIG_HID_PANTHERLORD is not set +# CONFIG_HID_PETALYNX is not set +# CONFIG_HID_PICOLCD is not set +# CONFIG_HID_QUANTA is not set +# CONFIG_HID_ROCCAT_KONE is not set +# CONFIG_HID_SAMSUNG is not set +# CONFIG_HID_SONY is not set +# CONFIG_HID_STANTUM is not set +# CONFIG_HID_SUNPLUS is not set +# CONFIG_HID_GREENASIA is not set +# CONFIG_HID_SMARTJOYPLUS is not set +# CONFIG_HID_TOPSEED is not set +# CONFIG_HID_THRUSTMASTER is not set +# CONFIG_HID_ZEROPLUS is not set +# CONFIG_HID_ZYDACRON is not set CONFIG_USB_SUPPORT=y CONFIG_USB_ARCH_HAS_HCD=y CONFIG_USB_ARCH_HAS_OHCI=y # CONFIG_USB_ARCH_HAS_EHCI is not set -# CONFIG_USB is not set +CONFIG_USB=y +# CONFIG_USB_DEBUG is not set +CONFIG_USB_ANNOUNCE_NEW_DEVICES=y # -# Enable Host or Gadget support to see Inventra options +# Miscellaneous USB options # +CONFIG_USB_DEVICEFS=y +CONFIG_USB_DEVICE_CLASS=y +# CONFIG_USB_DYNAMIC_MINORS is not set +# CONFIG_USB_MON is not set +# CONFIG_USB_WUSB is not set +# CONFIG_USB_WUSB_CBAF is not set + +# +# USB Host Controller Drivers +# +# CONFIG_USB_C67X00_HCD is not set +# CONFIG_USB_OXU210HP_HCD is not set +# CONFIG_USB_ISP116X_HCD is not set +# CONFIG_USB_ISP1760_HCD is not set +# CONFIG_USB_ISP1362_HCD is not set +CONFIG_USB_OHCI_HCD=y +# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set +# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set +CONFIG_USB_OHCI_LITTLE_ENDIAN=y +# CONFIG_USB_SL811_HCD is not set +# CONFIG_USB_R8A66597_HCD is not set +# CONFIG_USB_HWA_HCD is not set +# CONFIG_USB_MUSB_HDRC is not set + +# +# USB Device Class drivers +# +CONFIG_USB_ACM=m +CONFIG_USB_PRINTER=m +# CONFIG_USB_WDM is not set +# CONFIG_USB_TMC is not set # # NOTE: USB_STORAGE depends on SCSI but BLK_DEV_SD may # + +# +# also be needed; see USB_STORAGE Help for more info +# +# CONFIG_USB_LIBUSUAL is not set + +# +# USB Imaging devices +# +# CONFIG_USB_MDC800 is not set + +# +# USB port drivers +# +CONFIG_USB_SERIAL=m +# CONFIG_USB_EZUSB is not set +CONFIG_USB_SERIAL_GENERIC=y +# CONFIG_USB_SERIAL_AIRCABLE is not set +# CONFIG_USB_SERIAL_ARK3116 is not set +# CONFIG_USB_SERIAL_BELKIN is not set +# CONFIG_USB_SERIAL_CH341 is not set +# CONFIG_USB_SERIAL_WHITEHEAT is not set +# CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set +# CONFIG_USB_SERIAL_CP210X is not set +# CONFIG_USB_SERIAL_CYPRESS_M8 is not set +CONFIG_USB_SERIAL_EMPEG=m +CONFIG_USB_SERIAL_FTDI_SIO=m +# CONFIG_USB_SERIAL_FUNSOFT is not set +# CONFIG_USB_SERIAL_VISOR is not set +# CONFIG_USB_SERIAL_IPAQ is not set +# CONFIG_USB_SERIAL_IR is not set +# CONFIG_USB_SERIAL_EDGEPORT is not set +# CONFIG_USB_SERIAL_EDGEPORT_TI is not set +# CONFIG_USB_SERIAL_GARMIN is not set +# CONFIG_USB_SERIAL_IPW is not set +# CONFIG_USB_SERIAL_IUU is not set +# CONFIG_USB_SERIAL_KEYSPAN_PDA is not set +# CONFIG_USB_SERIAL_KEYSPAN is not set +# CONFIG_USB_SERIAL_KLSI is not set +# CONFIG_USB_SERIAL_KOBIL_SCT is not set +# CONFIG_USB_SERIAL_MCT_U232 is not set +# CONFIG_USB_SERIAL_MOS7720 is not set +# CONFIG_USB_SERIAL_MOS7840 is not set +# CONFIG_USB_SERIAL_MOTOROLA is not set +# CONFIG_USB_SERIAL_NAVMAN is not set +CONFIG_USB_SERIAL_PL2303=m +# CONFIG_USB_SERIAL_OTI6858 is not set +# CONFIG_USB_SERIAL_QCAUX is not set +# CONFIG_USB_SERIAL_QUALCOMM is not set +# CONFIG_USB_SERIAL_SPCP8X5 is not set +# CONFIG_USB_SERIAL_HP4X is not set +# CONFIG_USB_SERIAL_SAFE is not set +# CONFIG_USB_SERIAL_SIEMENS_MPI is not set +# CONFIG_USB_SERIAL_SIERRAWIRELESS is not set +# CONFIG_USB_SERIAL_SYMBOL is not set +# CONFIG_USB_SERIAL_TI is not set +# CONFIG_USB_SERIAL_CYBERJACK is not set +# CONFIG_USB_SERIAL_XIRCOM is not set +# CONFIG_USB_SERIAL_OPTION is not set +# CONFIG_USB_SERIAL_OMNINET is not set +# CONFIG_USB_SERIAL_OPTICON is not set +# CONFIG_USB_SERIAL_VIVOPAY_SERIAL is not set +# CONFIG_USB_SERIAL_ZIO is not set +# CONFIG_USB_SERIAL_DEBUG is not set + +# +# USB Miscellaneous drivers +# +# CONFIG_USB_EMI62 is not set +# CONFIG_USB_EMI26 is not set +# CONFIG_USB_ADUTUX is not set +# CONFIG_USB_SEVSEG is not set +# CONFIG_USB_RIO500 is not set +# CONFIG_USB_LEGOTOWER is not set +# CONFIG_USB_LCD is not set +# CONFIG_USB_LED is not set +# CONFIG_USB_CYPRESS_CY7C63 is not set +# CONFIG_USB_CYTHERM is not set +# CONFIG_USB_IDMOUSE is not set +# CONFIG_USB_FTDI_ELAN is not set +# CONFIG_USB_APPLEDISPLAY is not set +# CONFIG_USB_LD is not set +# CONFIG_USB_TRANCEVIBRATOR is not set +# CONFIG_USB_IOWARRIOR is not set +# CONFIG_USB_TEST is not set +# CONFIG_USB_ISIGHTFW is not set # CONFIG_USB_GADGET is not set # # OTG and related infrastructure # +# CONFIG_USB_GPIO_VBUS is not set +# CONFIG_USB_ULPI is not set +# CONFIG_NOP_USB_XCEIV is not set CONFIG_MMC=y CONFIG_MMC_DEBUG=y CONFIG_MMC_UNSAFE_RESUME=y @@ -951,11 +1208,77 @@ CONFIG_MMC_SDHCI=y # CONFIG_MMC_SDHCI_PLTFM is not set CONFIG_MMC_SDHCI_S3C=y # CONFIG_MMC_SDHCI_S3C_DMA is not set +# CONFIG_MMC_SPI is not set # CONFIG_MEMSTICK is not set # CONFIG_NEW_LEDS is not set # CONFIG_ACCESSIBILITY is not set CONFIG_RTC_LIB=y -# CONFIG_RTC_CLASS is not set +CONFIG_RTC_CLASS=y +CONFIG_RTC_HCTOSYS=y +CONFIG_RTC_HCTOSYS_DEVICE="rtc0" +# CONFIG_RTC_DEBUG is not set + +# +# RTC interfaces +# +CONFIG_RTC_INTF_SYSFS=y +CONFIG_RTC_INTF_PROC=y +CONFIG_RTC_INTF_DEV=y +# CONFIG_RTC_INTF_DEV_UIE_EMUL is not set +# CONFIG_RTC_DRV_TEST is not set + +# +# I2C RTC drivers +# +# CONFIG_RTC_DRV_DS1307 is not set +# CONFIG_RTC_DRV_DS1374 is not set +# CONFIG_RTC_DRV_DS1672 is not set +# CONFIG_RTC_DRV_MAX6900 is not set +# CONFIG_RTC_DRV_RS5C372 is not set +# CONFIG_RTC_DRV_ISL1208 is not set +# CONFIG_RTC_DRV_X1205 is not set +# CONFIG_RTC_DRV_PCF8563 is not set +# CONFIG_RTC_DRV_PCF8583 is not set +# CONFIG_RTC_DRV_M41T80 is not set +# CONFIG_RTC_DRV_BQ32K is not set +# CONFIG_RTC_DRV_S35390A is not set +# CONFIG_RTC_DRV_FM3130 is not set +# CONFIG_RTC_DRV_RX8581 is not set +# CONFIG_RTC_DRV_RX8025 is not set + +# +# SPI RTC drivers +# +# CONFIG_RTC_DRV_M41T94 is not set +# CONFIG_RTC_DRV_DS1305 is not set +# CONFIG_RTC_DRV_DS1390 is not set +# CONFIG_RTC_DRV_MAX6902 is not set +# CONFIG_RTC_DRV_R9701 is not set +# CONFIG_RTC_DRV_RS5C348 is not set +# CONFIG_RTC_DRV_DS3234 is not set +# CONFIG_RTC_DRV_PCF2123 is not set + +# +# Platform RTC drivers +# +# CONFIG_RTC_DRV_CMOS is not set +# CONFIG_RTC_DRV_DS1286 is not set +# CONFIG_RTC_DRV_DS1511 is not set +# CONFIG_RTC_DRV_DS1553 is not set +# CONFIG_RTC_DRV_DS1742 is not set +# CONFIG_RTC_DRV_STK17TA8 is not set +# CONFIG_RTC_DRV_M48T86 is not set +# CONFIG_RTC_DRV_M48T35 is not set +# CONFIG_RTC_DRV_M48T59 is not set +# CONFIG_RTC_DRV_MSM6242 is not set +# CONFIG_RTC_DRV_BQ4802 is not set +# CONFIG_RTC_DRV_RP5C01 is not set +# CONFIG_RTC_DRV_V3020 is not set + +# +# on-CPU RTC drivers +# +CONFIG_RTC_DRV_S3C=y # CONFIG_DMADEVICES is not set # CONFIG_AUXDISPLAY is not set # CONFIG_UIO is not set @@ -1052,7 +1375,46 @@ CONFIG_ROMFS_ON_BLOCK=y # # CONFIG_PARTITION_ADVANCED is not set CONFIG_MSDOS_PARTITION=y -# CONFIG_NLS is not set +CONFIG_NLS=y +CONFIG_NLS_DEFAULT="iso8859-1" +# CONFIG_NLS_CODEPAGE_437 is not set +# CONFIG_NLS_CODEPAGE_737 is not set +# CONFIG_NLS_CODEPAGE_775 is not set +# CONFIG_NLS_CODEPAGE_850 is not set +# CONFIG_NLS_CODEPAGE_852 is not set +# CONFIG_NLS_CODEPAGE_855 is not set +# CONFIG_NLS_CODEPAGE_857 is not set +# CONFIG_NLS_CODEPAGE_860 is not set +# CONFIG_NLS_CODEPAGE_861 is not set +# CONFIG_NLS_CODEPAGE_862 is not set +# CONFIG_NLS_CODEPAGE_863 is not set +# CONFIG_NLS_CODEPAGE_864 is not set +# CONFIG_NLS_CODEPAGE_865 is not set +# CONFIG_NLS_CODEPAGE_866 is not set +# CONFIG_NLS_CODEPAGE_869 is not set +# CONFIG_NLS_CODEPAGE_936 is not set +# CONFIG_NLS_CODEPAGE_950 is not set +# CONFIG_NLS_CODEPAGE_932 is not set +# CONFIG_NLS_CODEPAGE_949 is not set +# CONFIG_NLS_CODEPAGE_874 is not set +# CONFIG_NLS_ISO8859_8 is not set +# CONFIG_NLS_CODEPAGE_1250 is not set +# CONFIG_NLS_CODEPAGE_1251 is not set +# CONFIG_NLS_ASCII is not set +# CONFIG_NLS_ISO8859_1 is not set +# CONFIG_NLS_ISO8859_2 is not set +# CONFIG_NLS_ISO8859_3 is not set +# CONFIG_NLS_ISO8859_4 is not set +# CONFIG_NLS_ISO8859_5 is not set +# CONFIG_NLS_ISO8859_6 is not set +# CONFIG_NLS_ISO8859_7 is not set +# CONFIG_NLS_ISO8859_9 is not set +# CONFIG_NLS_ISO8859_13 is not set +# CONFIG_NLS_ISO8859_14 is not set +# CONFIG_NLS_ISO8859_15 is not set +# CONFIG_NLS_KOI8_R is not set +# CONFIG_NLS_KOI8_U is not set +# CONFIG_NLS_UTF8 is not set # # Kernel hacking diff --git a/arch/arm/mach-s3c64xx/clock.c b/arch/arm/mach-s3c64xx/clock.c index 7a4138beb665..fbd85a9b7bbf 100644 --- a/arch/arm/mach-s3c64xx/clock.c +++ b/arch/arm/mach-s3c64xx/clock.c @@ -259,6 +259,12 @@ static struct clk init_clocks[] = { .enable = s3c64xx_hclk_ctrl, .ctrlbit = S3C_CLKCON_HCLK_HSMMC2, }, { + .name = "otg", + .id = -1, + .parent = &clk_h, + .enable = s3c64xx_hclk_ctrl, + .ctrlbit = S3C_CLKCON_HCLK_USB, + }, { .name = "timers", .id = -1, .parent = &clk_p, diff --git a/arch/arm/mach-ux500/clock.c b/arch/arm/mach-ux500/clock.c index 1b2c9890e8b4..6544855af2f1 100644 --- a/arch/arm/mach-ux500/clock.c +++ b/arch/arm/mach-ux500/clock.c @@ -411,7 +411,7 @@ static struct clk_lookup u8500_common_clks[] = { CLK(apetraceclk, "apetrace", NULL), CLK(mcdeclk, "mcde", NULL), CLK(ipi2clk, "ipi2", NULL), - CLK(dmaclk, "dma40", NULL), + CLK(dmaclk, "dma40.0", NULL), CLK(b2r2clk, "b2r2", NULL), CLK(tvclk, "tv", NULL), }; diff --git a/arch/arm/mach-ux500/cpu-db8500.c b/arch/arm/mach-ux500/cpu-db8500.c index d04299f3b6b5..f21c444edd99 100644 --- a/arch/arm/mach-ux500/cpu-db8500.c +++ b/arch/arm/mach-ux500/cpu-db8500.c @@ -32,6 +32,7 @@ static struct platform_device *platform_devs[] __initdata = { &u8500_gpio_devs[6], &u8500_gpio_devs[7], &u8500_gpio_devs[8], + &u8500_dma40_device, }; /* minimum static i/o mapping required to boot U8500 platforms */ @@ -71,6 +72,9 @@ void __init u8500_init_devices(void) { ux500_init_devices(); + if (cpu_is_u8500ed()) + dma40_u8500ed_fixup(); + /* Register the platform devices */ platform_add_devices(platform_devs, ARRAY_SIZE(platform_devs)); diff --git a/arch/arm/mach-ux500/devices-db8500.c b/arch/arm/mach-ux500/devices-db8500.c index 20334236afce..822903421943 100644 --- a/arch/arm/mach-ux500/devices-db8500.c +++ b/arch/arm/mach-ux500/devices-db8500.c @@ -12,9 +12,13 @@ #include <linux/gpio.h> #include <linux/amba/bus.h> +#include <plat/ste_dma40.h> + #include <mach/hardware.h> #include <mach/setup.h> +#include "ste-dma40-db8500.h" + static struct nmk_gpio_platform_data u8500_gpio_data[] = { GPIO_DATA("GPIO-0-31", 0), GPIO_DATA("GPIO-32-63", 32), /* 37..63 not routed to pin */ @@ -105,3 +109,108 @@ struct platform_device u8500_i2c4_device = { .resource = u8500_i2c4_resources, .num_resources = ARRAY_SIZE(u8500_i2c4_resources), }; + +static struct resource dma40_resources[] = { + [0] = { + .start = U8500_DMA_BASE, + .end = U8500_DMA_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + .name = "base", + }, + [1] = { + .start = U8500_DMA_LCPA_BASE, + .end = U8500_DMA_LCPA_BASE + SZ_4K - 1, + .flags = IORESOURCE_MEM, + .name = "lcpa", + }, + [2] = { + .start = U8500_DMA_LCLA_BASE, + .end = U8500_DMA_LCLA_BASE + 16 * 1024 - 1, + .flags = IORESOURCE_MEM, + .name = "lcla", + }, + [3] = { + .start = IRQ_DMA, + .end = IRQ_DMA, + .flags = IORESOURCE_IRQ} +}; + +/* Default configuration for physcial memcpy */ +struct stedma40_chan_cfg dma40_memcpy_conf_phy = { + .channel_type = (STEDMA40_CHANNEL_IN_PHY_MODE | + STEDMA40_LOW_PRIORITY_CHANNEL | + STEDMA40_PCHAN_BASIC_MODE), + .dir = STEDMA40_MEM_TO_MEM, + + .src_info.endianess = STEDMA40_LITTLE_ENDIAN, + .src_info.data_width = STEDMA40_BYTE_WIDTH, + .src_info.psize = STEDMA40_PSIZE_PHY_1, + + .dst_info.endianess = STEDMA40_LITTLE_ENDIAN, + .dst_info.data_width = STEDMA40_BYTE_WIDTH, + .dst_info.psize = STEDMA40_PSIZE_PHY_1, + +}; +/* Default configuration for logical memcpy */ +struct stedma40_chan_cfg dma40_memcpy_conf_log = { + .channel_type = (STEDMA40_CHANNEL_IN_LOG_MODE | + STEDMA40_LOW_PRIORITY_CHANNEL | + STEDMA40_LCHAN_SRC_LOG_DST_LOG | + STEDMA40_NO_TIM_FOR_LINK), + .dir = STEDMA40_MEM_TO_MEM, + + .src_info.endianess = STEDMA40_LITTLE_ENDIAN, + .src_info.data_width = STEDMA40_BYTE_WIDTH, + .src_info.psize = STEDMA40_PSIZE_LOG_1, + + .dst_info.endianess = STEDMA40_LITTLE_ENDIAN, + .dst_info.data_width = STEDMA40_BYTE_WIDTH, + .dst_info.psize = STEDMA40_PSIZE_LOG_1, + +}; + +/* + * Mapping between destination event lines and physical device address. + * The event line is tied to a device and therefor the address is constant. + */ +static const dma_addr_t dma40_tx_map[STEDMA40_NR_DEV]; + +/* Mapping between source event lines and physical device address */ +static const dma_addr_t dma40_rx_map[STEDMA40_NR_DEV]; + +/* Reserved event lines for memcpy only */ +static int dma40_memcpy_event[] = { + STEDMA40_MEMCPY_TX_1, + STEDMA40_MEMCPY_TX_2, + STEDMA40_MEMCPY_TX_3, + STEDMA40_MEMCPY_TX_4, +}; + +static struct stedma40_platform_data dma40_plat_data = { + .dev_len = STEDMA40_NR_DEV, + .dev_rx = dma40_rx_map, + .dev_tx = dma40_tx_map, + .memcpy = dma40_memcpy_event, + .memcpy_len = ARRAY_SIZE(dma40_memcpy_event), + .memcpy_conf_phy = &dma40_memcpy_conf_phy, + .memcpy_conf_log = &dma40_memcpy_conf_log, + .llis_per_log = 8, +}; + +struct platform_device u8500_dma40_device = { + .dev = { + .platform_data = &dma40_plat_data, + }, + .name = "dma40", + .id = 0, + .num_resources = ARRAY_SIZE(dma40_resources), + .resource = dma40_resources +}; + +void dma40_u8500ed_fixup(void) +{ + dma40_plat_data.memcpy = NULL; + dma40_plat_data.memcpy_len = 0; + dma40_resources[0].start = U8500_DMA_BASE_ED; + dma40_resources[0].end = U8500_DMA_BASE_ED + SZ_4K - 1; +} diff --git a/arch/arm/mach-ux500/include/mach/db8500-regs.h b/arch/arm/mach-ux500/include/mach/db8500-regs.h index 9169e1e382a3..85fc6a80b386 100644 --- a/arch/arm/mach-ux500/include/mach/db8500-regs.h +++ b/arch/arm/mach-ux500/include/mach/db8500-regs.h @@ -7,6 +7,18 @@ #ifndef __MACH_DB8500_REGS_H #define __MACH_DB8500_REGS_H +/* Base address and bank offsets for ESRAM */ +#define U8500_ESRAM_BASE 0x40000000 +#define U8500_ESRAM_BANK_SIZE 0x00020000 +#define U8500_ESRAM_BANK0 U8500_ESRAM_BASE +#define U8500_ESRAM_BANK1 (U8500_ESRAM_BASE + U8500_ESRAM_BANK_SIZE) +#define U8500_ESRAM_BANK2 (U8500_ESRAM_BANK1 + U8500_ESRAM_BANK_SIZE) +#define U8500_ESRAM_BANK3 (U8500_ESRAM_BANK2 + U8500_ESRAM_BANK_SIZE) +#define U8500_ESRAM_BANK4 (U8500_ESRAM_BANK3 + U8500_ESRAM_BANK_SIZE) +/* Use bank 4 for DMA LCLA and LCPA */ +#define U8500_DMA_LCLA_BASE U8500_ESRAM_BANK4 +#define U8500_DMA_LCPA_BASE (U8500_ESRAM_BANK4 + 0x4000) + #define U8500_PER3_BASE 0x80000000 #define U8500_STM_BASE 0x80100000 #define U8500_STM_REG_BASE (U8500_STM_BASE + 0xF000) diff --git a/arch/arm/mach-ux500/include/mach/devices.h b/arch/arm/mach-ux500/include/mach/devices.h index 0422af00a56e..c2b2f2574947 100644 --- a/arch/arm/mach-ux500/include/mach/devices.h +++ b/arch/arm/mach-ux500/include/mach/devices.h @@ -25,5 +25,8 @@ extern struct platform_device ux500_i2c3_device; extern struct platform_device u8500_i2c0_device; extern struct platform_device u8500_i2c4_device; +extern struct platform_device u8500_dma40_device; + +void dma40_u8500ed_fixup(void); #endif diff --git a/arch/arm/mach-ux500/ste-dma40-db8500.h b/arch/arm/mach-ux500/ste-dma40-db8500.h new file mode 100644 index 000000000000..e7016278dfa9 --- /dev/null +++ b/arch/arm/mach-ux500/ste-dma40-db8500.h @@ -0,0 +1,154 @@ +/* + * arch/arm/mach-ux500/ste_dma40_db8500.h + * DB8500-SoC-specific configuration for DMA40 + * + * Copyright (C) ST-Ericsson 2007-2010 + * License terms: GNU General Public License (GPL) version 2 + * Author: Per Friden <per.friden@stericsson.com> + * Author: Jonas Aaberg <jonas.aberg@stericsson.com> + */ +#ifndef STE_DMA40_DB8500_H +#define STE_DMA40_DB8500_H + +#define STEDMA40_NR_DEV 64 + +enum dma_src_dev_type { + STEDMA40_DEV_SPI0_RX = 0, + STEDMA40_DEV_SD_MMC0_RX = 1, + STEDMA40_DEV_SD_MMC1_RX = 2, + STEDMA40_DEV_SD_MMC2_RX = 3, + STEDMA40_DEV_I2C1_RX = 4, + STEDMA40_DEV_I2C3_RX = 5, + STEDMA40_DEV_I2C2_RX = 6, + STEDMA40_DEV_I2C4_RX = 7, /* Only on V1 */ + STEDMA40_DEV_SSP0_RX = 8, + STEDMA40_DEV_SSP1_RX = 9, + STEDMA40_DEV_MCDE_RX = 10, + STEDMA40_DEV_UART2_RX = 11, + STEDMA40_DEV_UART1_RX = 12, + STEDMA40_DEV_UART0_RX = 13, + STEDMA40_DEV_MSP2_RX = 14, + STEDMA40_DEV_I2C0_RX = 15, + STEDMA40_DEV_USB_OTG_IEP_8 = 16, + STEDMA40_DEV_USB_OTG_IEP_1_9 = 17, + STEDMA40_DEV_USB_OTG_IEP_2_10 = 18, + STEDMA40_DEV_USB_OTG_IEP_3_11 = 19, + STEDMA40_DEV_SLIM0_CH0_RX_HSI_RX_CH0 = 20, + STEDMA40_DEV_SLIM0_CH1_RX_HSI_RX_CH1 = 21, + STEDMA40_DEV_SLIM0_CH2_RX_HSI_RX_CH2 = 22, + STEDMA40_DEV_SLIM0_CH3_RX_HSI_RX_CH3 = 23, + STEDMA40_DEV_SRC_SXA0_RX_TX = 24, + STEDMA40_DEV_SRC_SXA1_RX_TX = 25, + STEDMA40_DEV_SRC_SXA2_RX_TX = 26, + STEDMA40_DEV_SRC_SXA3_RX_TX = 27, + STEDMA40_DEV_SD_MM2_RX = 28, + STEDMA40_DEV_SD_MM0_RX = 29, + STEDMA40_DEV_MSP1_RX = 30, + /* + * This channel is either SlimBus or MSP, + * never both at the same time. + */ + STEDMA40_SLIM0_CH0_RX = 31, + STEDMA40_DEV_MSP0_RX = 31, + STEDMA40_DEV_SD_MM1_RX = 32, + STEDMA40_DEV_SPI2_RX = 33, + STEDMA40_DEV_I2C3_RX2 = 34, + STEDMA40_DEV_SPI1_RX = 35, + STEDMA40_DEV_USB_OTG_IEP_4_12 = 36, + STEDMA40_DEV_USB_OTG_IEP_5_13 = 37, + STEDMA40_DEV_USB_OTG_IEP_6_14 = 38, + STEDMA40_DEV_USB_OTG_IEP_7_15 = 39, + STEDMA40_DEV_SPI3_RX = 40, + STEDMA40_DEV_SD_MM3_RX = 41, + STEDMA40_DEV_SD_MM4_RX = 42, + STEDMA40_DEV_SD_MM5_RX = 43, + STEDMA40_DEV_SRC_SXA4_RX_TX = 44, + STEDMA40_DEV_SRC_SXA5_RX_TX = 45, + STEDMA40_DEV_SRC_SXA6_RX_TX = 46, + STEDMA40_DEV_SRC_SXA7_RX_TX = 47, + STEDMA40_DEV_CAC1_RX = 48, + /* RX channels 49 and 50 are unused */ + STEDMA40_DEV_MSHC_RX = 51, + STEDMA40_DEV_SLIM1_CH0_RX_HSI_RX_CH4 = 52, + STEDMA40_DEV_SLIM1_CH1_RX_HSI_RX_CH5 = 53, + STEDMA40_DEV_SLIM1_CH2_RX_HSI_RX_CH6 = 54, + STEDMA40_DEV_SLIM1_CH3_RX_HSI_RX_CH7 = 55, + /* RX channels 56 thru 60 are unused */ + STEDMA40_DEV_CAC0_RX = 61, + /* RX channels 62 and 63 are unused */ +}; + +enum dma_dest_dev_type { + STEDMA40_DEV_SPI0_TX = 0, + STEDMA40_DEV_SD_MMC0_TX = 1, + STEDMA40_DEV_SD_MMC1_TX = 2, + STEDMA40_DEV_SD_MMC2_TX = 3, + STEDMA40_DEV_I2C1_TX = 4, + STEDMA40_DEV_I2C3_TX = 5, + STEDMA40_DEV_I2C2_TX = 6, + STEDMA50_DEV_I2C4_TX = 7, /* Only on V1 */ + STEDMA40_DEV_SSP0_TX = 8, + STEDMA40_DEV_SSP1_TX = 9, + /* TX channel 10 is unused */ + STEDMA40_DEV_UART2_TX = 11, + STEDMA40_DEV_UART1_TX = 12, + STEDMA40_DEV_UART0_TX= 13, + STEDMA40_DEV_MSP2_TX = 14, + STEDMA40_DEV_I2C0_TX = 15, + STEDMA40_DEV_USB_OTG_OEP_8 = 16, + STEDMA40_DEV_USB_OTG_OEP_1_9 = 17, + STEDMA40_DEV_USB_OTG_OEP_2_10= 18, + STEDMA40_DEV_USB_OTG_OEP_3_11 = 19, + STEDMA40_DEV_SLIM0_CH0_TX_HSI_TX_CH0 = 20, + STEDMA40_DEV_SLIM0_CH1_TX_HSI_TX_CH1 = 21, + STEDMA40_DEV_SLIM0_CH2_TX_HSI_TX_CH2 = 22, + STEDMA40_DEV_SLIM0_CH3_TX_HSI_TX_CH3 = 23, + STEDMA40_DEV_DST_SXA0_RX_TX = 24, + STEDMA40_DEV_DST_SXA1_RX_TX = 25, + STEDMA40_DEV_DST_SXA2_RX_TX = 26, + STEDMA40_DEV_DST_SXA3_RX_TX = 27, + STEDMA40_DEV_SD_MM2_TX = 28, + STEDMA40_DEV_SD_MM0_TX = 29, + STEDMA40_DEV_MSP1_TX = 30, + /* + * This channel is either SlimBus or MSP, + * never both at the same time. + */ + STEDMA40_SLIM0_CH0_TX = 31, + STEDMA40_DEV_MSP0_TX = 31, + STEDMA40_DEV_SD_MM1_TX = 32, + STEDMA40_DEV_SPI2_TX = 33, + /* Secondary I2C3 channel */ + STEDMA40_DEV_I2C3_TX2 = 34, + STEDMA40_DEV_SPI1_TX = 35, + STEDMA40_DEV_USB_OTG_OEP_4_12 = 36, + STEDMA40_DEV_USB_OTG_OEP_5_13 = 37, + STEDMA40_DEV_USB_OTG_OEP_6_14 = 38, + STEDMA40_DEV_USB_OTG_OEP_7_15 = 39, + STEDMA40_DEV_SPI3_TX = 40, + STEDMA40_DEV_SD_MM3_TX = 41, + STEDMA40_DEV_SD_MM4_TX = 42, + STEDMA40_DEV_SD_MM5_TX = 43, + STEDMA40_DEV_DST_SXA4_RX_TX = 44, + STEDMA40_DEV_DST_SXA5_RX_TX = 45, + STEDMA40_DEV_DST_SXA6_RX_TX = 46, + STEDMA40_DEV_DST_SXA7_RX_TX = 47, + STEDMA40_DEV_CAC1_TX = 48, + STEDMA40_DEV_CAC1_TX_HAC1_TX = 49, + STEDMA40_DEV_HAC1_TX = 50, + STEDMA40_MEMXCPY_TX_0 = 51, + STEDMA40_DEV_SLIM1_CH0_TX_HSI_TX_CH4 = 52, + STEDMA40_DEV_SLIM1_CH1_TX_HSI_TX_CH5 = 53, + STEDMA40_DEV_SLIM1_CH2_TX_HSI_TX_CH6 = 54, + STEDMA40_DEV_SLIM1_CH3_TX_HSI_TX_CH7 = 55, + STEDMA40_MEMCPY_TX_1 = 56, + STEDMA40_MEMCPY_TX_2 = 57, + STEDMA40_MEMCPY_TX_3 = 58, + STEDMA40_MEMCPY_TX_4 = 59, + STEDMA40_MEMCPY_TX_5 = 60, + STEDMA40_DEV_CAC0_TX = 61, + STEDMA40_DEV_CAC0_TX_HAC0_TX = 62, + STEDMA40_DEV_HAC0_TX = 63, +}; + +#endif diff --git a/arch/arm/plat-s5p/clock.c b/arch/arm/plat-s5p/clock.c index 24a931fd8d3b..b5e255265f20 100644 --- a/arch/arm/plat-s5p/clock.c +++ b/arch/arm/plat-s5p/clock.c @@ -148,6 +148,7 @@ static struct clk *s5p_clks[] __initdata = { &clk_fout_vpll, &clk_arm, &clk_vpll, + &clk_xusbxti, }; void __init s5p_register_clocks(unsigned long xtal_freq) diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h index 34efdd2b032c..db4112c6f2be 100644 --- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h +++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h @@ -43,6 +43,11 @@ struct s3c_gpio_chip; * layouts. Provide an point to vector control routine and provide any * per-bank configuration information that other systems such as the * external interrupt code will need. + * + * @sa s3c_gpio_cfgpin + * @sa s3c_gpio_getcfg + * @sa s3c_gpio_setpull + * @sa s3c_gpio_getpull */ struct s3c_gpio_cfg { unsigned int cfg_eint; @@ -70,11 +75,25 @@ struct s3c_gpio_cfg { /** * s3c_gpio_cfgpin() - Change the GPIO function of a pin. * @pin pin The pin number to configure. - * @pin to The configuration for the pin's function. + * @to to The configuration for the pin's function. * * Configure which function is actually connected to the external * pin, such as an gpio input, output or some form of special function * connected to an internal peripheral block. + * + * The @to parameter can be one of the generic S3C_GPIO_INPUT, S3C_GPIO_OUTPUT + * or S3C_GPIO_SFN() to indicate one of the possible values that the helper + * will then generate the correct bit mask and shift for the configuration. + * + * If a bank of GPIOs all needs to be set to special-function 2, then + * the following code will work: + * + * for (gpio = start; gpio < end; gpio++) + * s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); + * + * The @to parameter can also be a specific value already shifted to the + * correct position in the control register, although these are discouraged + * in newer kernels and are only being kept for compatibility. */ extern int s3c_gpio_cfgpin(unsigned int pin, unsigned int to); @@ -108,6 +127,8 @@ extern unsigned s3c_gpio_getcfg(unsigned int pin); * This function sets the state of the pull-{up,down} resistor for the * specified pin. It will return 0 if successfull, or a negative error * code if the pin cannot support the requested pull setting. + * + * @pull is one of S3C_GPIO_PULL_NONE, S3C_GPIO_PULL_DOWN or S3C_GPIO_PULL_UP. */ extern int s3c_gpio_setpull(unsigned int pin, s3c_gpio_pull_t pull); diff --git a/arch/frv/include/asm/cache.h b/arch/frv/include/asm/cache.h index 7dc0f0f85b7c..2797163b8f4f 100644 --- a/arch/frv/include/asm/cache.h +++ b/arch/frv/include/asm/cache.h @@ -17,8 +17,6 @@ #define L1_CACHE_SHIFT (CONFIG_FRV_L1_CACHE_SHIFT) #define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES - #define __cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) #define ____cacheline_aligned __attribute__((aligned(L1_CACHE_BYTES))) diff --git a/arch/frv/include/asm/mem-layout.h b/arch/frv/include/asm/mem-layout.h index 2947764fc0e0..ccae981876fa 100644 --- a/arch/frv/include/asm/mem-layout.h +++ b/arch/frv/include/asm/mem-layout.h @@ -35,8 +35,8 @@ * the slab must be aligned such that load- and store-double instructions don't * fault if used */ -#define ARCH_KMALLOC_MINALIGN 8 -#define ARCH_SLAB_MINALIGN 8 +#define ARCH_KMALLOC_MINALIGN L1_CACHE_BYTES +#define ARCH_SLAB_MINALIGN L1_CACHE_BYTES /*****************************************************************************/ /* diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h index 21adbd7f90f8..837dc82a013e 100644 --- a/arch/ia64/include/asm/acpi.h +++ b/arch/ia64/include/asm/acpi.h @@ -94,7 +94,6 @@ ia64_acpi_release_global_lock (unsigned int *lock) #define acpi_noirq 0 /* ACPI always enabled on IA64 */ #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */ #define acpi_strict 1 /* no ACPI spec workarounds on IA64 */ -#define acpi_ht 0 /* no HT-only mode on IA64 */ #endif #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */ static inline void disable_acpi(void) { } diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c index 518e876a410d..6a1380e90f87 100644 --- a/arch/ia64/kernel/smpboot.c +++ b/arch/ia64/kernel/smpboot.c @@ -390,11 +390,13 @@ smp_callin (void) fix_b0_for_bsp(); +#ifdef CONFIG_NUMA /* * numa_node_id() works after this. */ set_numa_node(cpu_to_node_map[cpuid]); set_numa_mem(local_memory_node(cpu_to_node_map[cpuid])); +#endif ipi_call_lock_irq(); spin_lock(&vector_lock); @@ -638,7 +640,9 @@ void __devinit smp_prepare_boot_cpu(void) { cpu_set(smp_processor_id(), cpu_online_map); cpu_set(smp_processor_id(), cpu_callin_map); +#ifdef CONFIG_NUMA set_numa_node(cpu_to_node_map[smp_processor_id()]); +#endif per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE; paravirt_post_smp_prepare_boot_cpu(); } diff --git a/arch/ia64/mm/numa.c b/arch/ia64/mm/numa.c index 3efea7d0a351..2437718bd6b1 100644 --- a/arch/ia64/mm/numa.c +++ b/arch/ia64/mm/numa.c @@ -17,6 +17,7 @@ #include <linux/init.h> #include <linux/bootmem.h> #include <linux/module.h> +#include <linux/random.h> #include <asm/mmzone.h> #include <asm/numa.h> @@ -50,6 +51,22 @@ paddr_to_nid(unsigned long paddr) return (i < num_node_memblks) ? node_memblk[i].nid : (num_node_memblks ? -1 : 0); } +/* + * Return the bit number of a random bit set in the nodemask. + * (returns -1 if nodemask is empty) + */ +int __node_random(const nodemask_t *maskp) +{ + int w, bit = -1; + + w = nodes_weight(*maskp); + if (w) + bit = bitmap_ord_to_pos(maskp->bits, + get_random_int() % w, MAX_NUMNODES); + return bit; +} +EXPORT_SYMBOL(__node_random); + #if defined(CONFIG_SPARSEMEM) && defined(CONFIG_NUMA) /* * Because of holes evaluate on section limits. diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c index 64aff520b899..aa2533ae7e9e 100644 --- a/arch/ia64/pci/pci.c +++ b/arch/ia64/pci/pci.c @@ -335,8 +335,11 @@ pcibios_setup_root_windows(struct pci_bus *bus, struct pci_controller *ctrl) } struct pci_bus * __devinit -pci_acpi_scan_root(struct acpi_device *device, int domain, int bus) +pci_acpi_scan_root(struct acpi_pci_root *root) { + struct acpi_device *device = root->device; + int domain = root->segment; + int bus = root->secondary.start; struct pci_controller *controller; unsigned int windows = 0; struct pci_bus *pbus; diff --git a/arch/parisc/include/asm/cacheflush.h b/arch/parisc/include/asm/cacheflush.h index 477277739da5..4556d820128a 100644 --- a/arch/parisc/include/asm/cacheflush.h +++ b/arch/parisc/include/asm/cacheflush.h @@ -2,6 +2,7 @@ #define _PARISC_CACHEFLUSH_H #include <linux/mm.h> +#include <linux/uaccess.h> /* The usual comment is "Caches aren't brain-dead on the <architecture>". * Unfortunately, that doesn't apply to PA-RISC. */ @@ -125,11 +126,20 @@ static inline void *kmap(struct page *page) #define kunmap(page) kunmap_parisc(page_address(page)) -#define kmap_atomic(page, idx) page_address(page) +static inline void *kmap_atomic(struct page *page, enum km_type idx) +{ + pagefault_disable(); + return page_address(page); +} -#define kunmap_atomic(addr, idx) kunmap_parisc(addr) +static inline void kunmap_atomic(void *addr, enum km_type idx) +{ + kunmap_parisc(addr); + pagefault_enable(); +} -#define kmap_atomic_pfn(pfn, idx) page_address(pfn_to_page(pfn)) +#define kmap_atomic_prot(page, idx, prot) kmap_atomic(page, idx) +#define kmap_atomic_pfn(pfn, idx) kmap_atomic(pfn_to_page(pfn), (idx)) #define kmap_atomic_to_page(ptr) virt_to_page(ptr) #endif diff --git a/arch/parisc/kernel/asm-offsets.c b/arch/parisc/kernel/asm-offsets.c index ec787b411e9a..dcd55103a4bb 100644 --- a/arch/parisc/kernel/asm-offsets.c +++ b/arch/parisc/kernel/asm-offsets.c @@ -45,8 +45,12 @@ #else #define FRAME_SIZE 64 #endif +#define FRAME_ALIGN 64 -#define align(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y))) +/* Add FRAME_SIZE to the size x and align it to y. All definitions + * that use align_frame will include space for a frame. + */ +#define align_frame(x,y) (((x)+FRAME_SIZE+(y)-1) - (((x)+(y)-1)%(y))) int main(void) { @@ -146,7 +150,8 @@ int main(void) DEFINE(TASK_PT_IOR, offsetof(struct task_struct, thread.regs.ior)); BLANK(); DEFINE(TASK_SZ, sizeof(struct task_struct)); - DEFINE(TASK_SZ_ALGN, align(sizeof(struct task_struct), 64)); + /* TASK_SZ_ALGN includes space for a stack frame. */ + DEFINE(TASK_SZ_ALGN, align_frame(sizeof(struct task_struct), FRAME_ALIGN)); BLANK(); DEFINE(PT_PSW, offsetof(struct pt_regs, gr[ 0])); DEFINE(PT_GR1, offsetof(struct pt_regs, gr[ 1])); @@ -233,7 +238,8 @@ int main(void) DEFINE(PT_ISR, offsetof(struct pt_regs, isr)); DEFINE(PT_IOR, offsetof(struct pt_regs, ior)); DEFINE(PT_SIZE, sizeof(struct pt_regs)); - DEFINE(PT_SZ_ALGN, align(sizeof(struct pt_regs), 64)); + /* PT_SZ_ALGN includes space for a stack frame. */ + DEFINE(PT_SZ_ALGN, align_frame(sizeof(struct pt_regs), FRAME_ALIGN)); BLANK(); DEFINE(TI_TASK, offsetof(struct thread_info, task)); DEFINE(TI_EXEC_DOMAIN, offsetof(struct thread_info, exec_domain)); @@ -242,7 +248,8 @@ int main(void) DEFINE(TI_SEGMENT, offsetof(struct thread_info, addr_limit)); DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count)); DEFINE(THREAD_SZ, sizeof(struct thread_info)); - DEFINE(THREAD_SZ_ALGN, align(sizeof(struct thread_info), 64)); + /* THREAD_SZ_ALGN includes space for a stack frame. */ + DEFINE(THREAD_SZ_ALGN, align_frame(sizeof(struct thread_info), FRAME_ALIGN)); BLANK(); DEFINE(ICACHE_BASE, offsetof(struct pdc_cache_info, ic_base)); DEFINE(ICACHE_STRIDE, offsetof(struct pdc_cache_info, ic_stride)); diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index 3a44f7f704fa..6337adef30f6 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -364,32 +364,6 @@ .align 32 .endm - /* The following are simple 32 vs 64 bit instruction - * abstractions for the macros */ - .macro EXTR reg1,start,length,reg2 -#ifdef CONFIG_64BIT - extrd,u \reg1,32+(\start),\length,\reg2 -#else - extrw,u \reg1,\start,\length,\reg2 -#endif - .endm - - .macro DEP reg1,start,length,reg2 -#ifdef CONFIG_64BIT - depd \reg1,32+(\start),\length,\reg2 -#else - depw \reg1,\start,\length,\reg2 -#endif - .endm - - .macro DEPI val,start,length,reg -#ifdef CONFIG_64BIT - depdi \val,32+(\start),\length,\reg -#else - depwi \val,\start,\length,\reg -#endif - .endm - /* In LP64, the space contains part of the upper 32 bits of the * fault. We have to extract this and place it in the va, * zeroing the corresponding bits in the space register */ @@ -442,19 +416,19 @@ */ .macro L2_ptep pmd,pte,index,va,fault #if PT_NLEVELS == 3 - EXTR \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index + extru \va,31-ASM_PMD_SHIFT,ASM_BITS_PER_PMD,\index #else - EXTR \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index + extru \va,31-ASM_PGDIR_SHIFT,ASM_BITS_PER_PGD,\index #endif - DEP %r0,31,PAGE_SHIFT,\pmd /* clear offset */ + dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */ copy %r0,\pte ldw,s \index(\pmd),\pmd bb,>=,n \pmd,_PxD_PRESENT_BIT,\fault - DEP %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */ + dep %r0,31,PxD_FLAG_SHIFT,\pmd /* clear flags */ copy \pmd,%r9 SHLREG %r9,PxD_VALUE_SHIFT,\pmd - EXTR \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index - DEP %r0,31,PAGE_SHIFT,\pmd /* clear offset */ + extru \va,31-PAGE_SHIFT,ASM_BITS_PER_PTE,\index + dep %r0,31,PAGE_SHIFT,\pmd /* clear offset */ shladd \index,BITS_PER_PTE_ENTRY,\pmd,\pmd LDREG %r0(\pmd),\pte /* pmd is now pte */ bb,>=,n \pte,_PAGE_PRESENT_BIT,\fault @@ -605,7 +579,7 @@ depdi 0,31,32,\tmp #endif copy \va,\tmp1 - DEPI 0,31,23,\tmp1 + depi 0,31,23,\tmp1 cmpb,COND(<>),n \tmp,\tmp1,\fault ldi (_PAGE_DIRTY|_PAGE_WRITE|_PAGE_READ),\prot depd,z \prot,8,7,\prot @@ -997,13 +971,6 @@ intr_restore: rfi nop - nop - nop - nop - nop - nop - nop - nop #ifndef CONFIG_PREEMPT # define intr_do_preempt intr_restore @@ -2076,9 +2043,10 @@ syscall_restore: LDREG TASK_PT_GR31(%r1),%r31 /* restore syscall rp */ /* NOTE: We use rsm/ssm pair to make this operation atomic */ + LDREG TASK_PT_GR30(%r1),%r1 /* Get user sp */ rsm PSW_SM_I, %r0 - LDREG TASK_PT_GR30(%r1),%r30 /* restore user sp */ - mfsp %sr3,%r1 /* Get users space id */ + copy %r1,%r30 /* Restore user sp */ + mfsp %sr3,%r1 /* Get user space id */ mtsp %r1,%sr7 /* Restore sr7 */ ssm PSW_SM_I, %r0 diff --git a/arch/parisc/kernel/syscall.S b/arch/parisc/kernel/syscall.S index f5f96021caa0..68e75ce838d6 100644 --- a/arch/parisc/kernel/syscall.S +++ b/arch/parisc/kernel/syscall.S @@ -47,18 +47,17 @@ ENTRY(linux_gateway_page) KILL_INSN .endr - /* ADDRESS 0xb0 to 0xb4, lws uses 1 insns for entry */ + /* ADDRESS 0xb0 to 0xb8, lws uses two insns for entry */ /* Light-weight-syscall entry must always be located at 0xb0 */ /* WARNING: Keep this number updated with table size changes */ #define __NR_lws_entries (2) lws_entry: - /* Unconditional branch to lws_start, located on the - same gateway page */ - b,n lws_start + gate lws_start, %r0 /* increase privilege */ + depi 3, 31, 2, %r31 /* Ensure we return into user mode. */ - /* Fill from 0xb4 to 0xe0 */ - .rept 11 + /* Fill from 0xb8 to 0xe0 */ + .rept 10 KILL_INSN .endr @@ -423,9 +422,6 @@ tracesys_sigexit: *********************************************************/ lws_start: - /* Gate and ensure we return to userspace */ - gate .+8, %r0 - depi 3, 31, 2, %r31 /* Ensure we return to userspace */ #ifdef CONFIG_64BIT /* FIXME: If we are a 64-bit kernel just @@ -442,7 +438,7 @@ lws_start: #endif /* Is the lws entry number valid? */ - comiclr,>>= __NR_lws_entries, %r20, %r0 + comiclr,>> __NR_lws_entries, %r20, %r0 b,n lws_exit_nosys /* WARNING: Trashing sr2 and sr3 */ @@ -473,7 +469,7 @@ lws_exit: /* now reset the lowest bit of sp if it was set */ xor %r30,%r1,%r30 #endif - be,n 0(%sr3, %r31) + be,n 0(%sr7, %r31) @@ -529,7 +525,6 @@ lws_compare_and_swap32: #endif lws_compare_and_swap: -#ifdef CONFIG_SMP /* Load start of lock table */ ldil L%lws_lock_start, %r20 ldo R%lws_lock_start(%r20), %r28 @@ -572,8 +567,6 @@ cas_wouldblock: ldo 2(%r0), %r28 /* 2nd case */ b lws_exit /* Contended... */ ldo -EAGAIN(%r0), %r21 /* Spin in userspace */ -#endif -/* CONFIG_SMP */ /* prev = *addr; @@ -601,13 +594,11 @@ cas_action: 1: ldw 0(%sr3,%r26), %r28 sub,<> %r28, %r25, %r0 2: stw %r24, 0(%sr3,%r26) -#ifdef CONFIG_SMP /* Free lock */ stw %r20, 0(%sr2,%r20) -# if ENABLE_LWS_DEBUG +#if ENABLE_LWS_DEBUG /* Clear thread register indicator */ stw %r0, 4(%sr2,%r20) -# endif #endif /* Return to userspace, set no error */ b lws_exit @@ -615,12 +606,10 @@ cas_action: 3: /* Error occured on load or store */ -#ifdef CONFIG_SMP /* Free lock */ stw %r20, 0(%sr2,%r20) -# if ENABLE_LWS_DEBUG +#if ENABLE_LWS_DEBUG stw %r0, 4(%sr2,%r20) -# endif #endif b lws_exit ldo -EFAULT(%r0),%r21 /* set errno */ @@ -672,7 +661,6 @@ ENTRY(sys_call_table64) END(sys_call_table64) #endif -#ifdef CONFIG_SMP /* All light-weight-syscall atomic operations will use this set of locks @@ -694,8 +682,6 @@ ENTRY(lws_lock_start) .endr END(lws_lock_start) .previous -#endif -/* CONFIG_SMP for lws_lock_start */ .end diff --git a/arch/parisc/math-emu/decode_exc.c b/arch/parisc/math-emu/decode_exc.c index 3ca1c6149218..27a7492ddb0d 100644 --- a/arch/parisc/math-emu/decode_exc.c +++ b/arch/parisc/math-emu/decode_exc.c @@ -342,6 +342,7 @@ decode_fpu(unsigned int Fpu_register[], unsigned int trap_counts[]) return SIGNALCODE(SIGFPE, FPE_FLTINV); case DIVISIONBYZEROEXCEPTION: update_trap_counts(Fpu_register, aflags, bflags, trap_counts); + Clear_excp_register(exception_index); return SIGNALCODE(SIGFPE, FPE_FLTDIV); case INEXACTEXCEPTION: update_trap_counts(Fpu_register, aflags, bflags, trap_counts); diff --git a/arch/parisc/mm/fault.c b/arch/parisc/mm/fault.c index c6afbfc95770..18162ce4261e 100644 --- a/arch/parisc/mm/fault.c +++ b/arch/parisc/mm/fault.c @@ -264,8 +264,7 @@ no_context: out_of_memory: up_read(&mm->mmap_sem); - printk(KERN_CRIT "VM: killing process %s\n", current->comm); - if (user_mode(regs)) - do_group_exit(SIGKILL); - goto no_context; + if (!user_mode(regs)) + goto no_context; + pagefault_out_of_memory(); } diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c index 5c2808252516..1a40da92154c 100644 --- a/arch/powerpc/platforms/cell/spufs/file.c +++ b/arch/powerpc/platforms/cell/spufs/file.c @@ -1849,8 +1849,7 @@ out: return ret; } -static int spufs_mfc_fsync(struct file *file, struct dentry *dentry, - int datasync) +static int spufs_mfc_fsync(struct file *file, int datasync) { return spufs_mfc_flush(file, NULL); } diff --git a/arch/powerpc/platforms/cell/spufs/inode.c b/arch/powerpc/platforms/cell/spufs/inode.c index fc1b1c42b1dc..e5e5f823d687 100644 --- a/arch/powerpc/platforms/cell/spufs/inode.c +++ b/arch/powerpc/platforms/cell/spufs/inode.c @@ -251,7 +251,7 @@ const struct file_operations spufs_context_fops = { .llseek = dcache_dir_lseek, .read = generic_read_dir, .readdir = dcache_readdir, - .fsync = simple_sync_file, + .fsync = noop_fsync, }; EXPORT_SYMBOL_GPL(spufs_context_fops); diff --git a/arch/powerpc/platforms/pseries/hvCall_inst.c b/arch/powerpc/platforms/pseries/hvCall_inst.c index 1fefae76e295..e19ff021e711 100644 --- a/arch/powerpc/platforms/pseries/hvCall_inst.c +++ b/arch/powerpc/platforms/pseries/hvCall_inst.c @@ -102,7 +102,7 @@ static const struct file_operations hcall_inst_seq_fops = { #define CPU_NAME_BUF_SIZE 32 -static void probe_hcall_entry(unsigned long opcode, unsigned long *args) +static void probe_hcall_entry(void *ignored, unsigned long opcode, unsigned long *args) { struct hcall_stats *h; @@ -114,7 +114,7 @@ static void probe_hcall_entry(unsigned long opcode, unsigned long *args) h->purr_start = mfspr(SPRN_PURR); } -static void probe_hcall_exit(unsigned long opcode, unsigned long retval, +static void probe_hcall_exit(void *ignored, unsigned long opcode, unsigned long retval, unsigned long *retbuf) { struct hcall_stats *h; @@ -140,11 +140,11 @@ static int __init hcall_inst_init(void) if (!firmware_has_feature(FW_FEATURE_LPAR)) return 0; - if (register_trace_hcall_entry(probe_hcall_entry)) + if (register_trace_hcall_entry(probe_hcall_entry, NULL)) return -EINVAL; - if (register_trace_hcall_exit(probe_hcall_exit)) { - unregister_trace_hcall_entry(probe_hcall_entry); + if (register_trace_hcall_exit(probe_hcall_exit, NULL)) { + unregister_trace_hcall_entry(probe_hcall_entry, NULL); return -EINVAL; } diff --git a/arch/x86/include/asm/acpi.h b/arch/x86/include/asm/acpi.h index 56f462cf22d2..aa2c39d968fc 100644 --- a/arch/x86/include/asm/acpi.h +++ b/arch/x86/include/asm/acpi.h @@ -85,7 +85,6 @@ extern int acpi_ioapic; extern int acpi_noirq; extern int acpi_strict; extern int acpi_disabled; -extern int acpi_ht; extern int acpi_pci_disabled; extern int acpi_skip_timer_override; extern int acpi_use_timer_override; @@ -97,7 +96,6 @@ void acpi_pic_sci_set_trigger(unsigned int, u16); static inline void disable_acpi(void) { acpi_disabled = 1; - acpi_ht = 0; acpi_pci_disabled = 1; acpi_noirq = 1; } diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index dca9c545f44e..468145914389 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -332,6 +332,7 @@ static __always_inline __pure bool __static_cpu_has(u8 bit) #endif } +#if __GNUC__ >= 4 #define static_cpu_has(bit) \ ( \ __builtin_constant_p(boot_cpu_has(bit)) ? \ @@ -340,6 +341,12 @@ static __always_inline __pure bool __static_cpu_has(u8 bit) __static_cpu_has(bit) : \ boot_cpu_has(bit) \ ) +#else +/* + * gcc 3.x is too stupid to do the static test; fall back to dynamic. + */ +#define static_cpu_has(bit) boot_cpu_has(bit) +#endif #endif /* defined(__KERNEL__) && !defined(__ASSEMBLY__) */ diff --git a/arch/x86/include/asm/mce.h b/arch/x86/include/asm/mce.h index 6c3fdd631ed3..f32a4301c4d4 100644 --- a/arch/x86/include/asm/mce.h +++ b/arch/x86/include/asm/mce.h @@ -225,5 +225,13 @@ extern void mcheck_intel_therm_init(void); static inline void mcheck_intel_therm_init(void) { } #endif +/* + * Used by APEI to report memory error via /dev/mcelog + */ + +struct cper_sec_mem_err; +extern void apei_mce_report_mem_error(int corrected, + struct cper_sec_mem_err *mem_err); + #endif /* __KERNEL__ */ #endif /* _ASM_X86_MCE_H */ diff --git a/arch/x86/include/asm/thread_info.h b/arch/x86/include/asm/thread_info.h index 62ba9400cc43..f0b6e5dbc5a0 100644 --- a/arch/x86/include/asm/thread_info.h +++ b/arch/x86/include/asm/thread_info.h @@ -239,8 +239,8 @@ static inline struct thread_info *current_thread_info(void) #define TS_USEDFPU 0x0001 /* FPU was used by this task this quantum (SMP) */ #define TS_COMPAT 0x0002 /* 32bit syscall active (64BIT)*/ -#define TS_POLLING 0x0004 /* true if in idle loop - and not sleeping */ +#define TS_POLLING 0x0004 /* idle task polling need_resched, + skip sending interrupt */ #define TS_RESTORE_SIGMASK 0x0008 /* restore signal mask in do_signal() */ #define tsk_is_polling(t) (task_thread_info(t)->status & TS_POLLING) diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c index 488be461a380..60cc4058ed5f 100644 --- a/arch/x86/kernel/acpi/boot.c +++ b/arch/x86/kernel/acpi/boot.c @@ -63,7 +63,6 @@ EXPORT_SYMBOL(acpi_disabled); int acpi_noirq; /* skip ACPI IRQ initialization */ int acpi_pci_disabled; /* skip ACPI PCI scan and IRQ initialization */ EXPORT_SYMBOL(acpi_pci_disabled); -int acpi_ht __initdata = 1; /* enable HT */ int acpi_lapic; int acpi_ioapic; @@ -1501,9 +1500,8 @@ void __init acpi_boot_table_init(void) /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return; /* @@ -1534,9 +1532,8 @@ int __init early_acpi_boot_init(void) { /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return 1; /* @@ -1554,9 +1551,8 @@ int __init acpi_boot_init(void) /* * If acpi_disabled, bail out - * One exception: acpi=ht continues far enough to enumerate LAPICs */ - if (acpi_disabled && !acpi_ht) + if (acpi_disabled) return 1; acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf); @@ -1591,21 +1587,12 @@ static int __init parse_acpi(char *arg) /* acpi=force to over-ride black-list */ else if (strcmp(arg, "force") == 0) { acpi_force = 1; - acpi_ht = 1; acpi_disabled = 0; } /* acpi=strict disables out-of-spec workarounds */ else if (strcmp(arg, "strict") == 0) { acpi_strict = 1; } - /* Limit ACPI just to boot-time to enable HT */ - else if (strcmp(arg, "ht") == 0) { - if (!acpi_force) { - printk(KERN_WARNING "acpi=ht will be removed in Linux-2.6.35\n"); - disable_acpi(); - } - acpi_ht = 1; - } /* acpi=rsdt use RSDT instead of XSDT */ else if (strcmp(arg, "rsdt") == 0) { acpi_rsdt_forced = 1; diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c index f9961034e557..82e508677b91 100644 --- a/arch/x86/kernel/acpi/sleep.c +++ b/arch/x86/kernel/acpi/sleep.c @@ -162,8 +162,6 @@ static int __init acpi_sleep_setup(char *str) #endif if (strncmp(str, "old_ordering", 12) == 0) acpi_old_suspend_ordering(); - if (strncmp(str, "sci_force_enable", 16) == 0) - acpi_set_sci_en_on_resume(); str = strchr(str, ','); if (str != NULL) str += strspn(str, ", \t"); diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index e5a4a1e01618..c02cc692985c 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -51,6 +51,7 @@ #include <asm/smp.h> #include <asm/mce.h> #include <asm/kvm_para.h> +#include <asm/tsc.h> unsigned int num_processors; @@ -1151,8 +1152,13 @@ static void __cpuinit lapic_setup_esr(void) */ void __cpuinit setup_local_APIC(void) { - unsigned int value; - int i, j; + unsigned int value, queued; + int i, j, acked = 0; + unsigned long long tsc = 0, ntsc; + long long max_loops = cpu_khz; + + if (cpu_has_tsc) + rdtscll(tsc); if (disable_apic) { arch_disable_smp_support(); @@ -1204,13 +1210,32 @@ void __cpuinit setup_local_APIC(void) * the interrupt. Hence a vector might get locked. It was noticed * for timer irq (vector 0x31). Issue an extra EOI to clear ISR. */ - for (i = APIC_ISR_NR - 1; i >= 0; i--) { - value = apic_read(APIC_ISR + i*0x10); - for (j = 31; j >= 0; j--) { - if (value & (1<<j)) - ack_APIC_irq(); + do { + queued = 0; + for (i = APIC_ISR_NR - 1; i >= 0; i--) + queued |= apic_read(APIC_IRR + i*0x10); + + for (i = APIC_ISR_NR - 1; i >= 0; i--) { + value = apic_read(APIC_ISR + i*0x10); + for (j = 31; j >= 0; j--) { + if (value & (1<<j)) { + ack_APIC_irq(); + acked++; + } + } } - } + if (acked > 256) { + printk(KERN_ERR "LAPIC pending interrupts after %d EOI\n", + acked); + break; + } + if (cpu_has_tsc) { + rdtscll(ntsc); + max_loops = (cpu_khz << 10) - (ntsc - tsc); + } else + max_loops--; + } while (queued && max_loops > 0); + WARN_ON(max_loops <= 0); /* * Now that we are all set up, enable the APIC diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 6f3dc8fbbfdc..7ec2123838e6 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c @@ -1497,8 +1497,8 @@ static struct cpufreq_driver cpufreq_amd64_driver = { * simply keep the boost-disable flag in sync with the current global * state. */ -static int __cpuinit cpb_notify(struct notifier_block *nb, unsigned long action, - void *hcpu) +static int cpb_notify(struct notifier_block *nb, unsigned long action, + void *hcpu) { unsigned cpu = (long)hcpu; u32 lo, hi; @@ -1528,7 +1528,7 @@ static int __cpuinit cpb_notify(struct notifier_block *nb, unsigned long action, return NOTIFY_OK; } -static struct notifier_block __cpuinitdata cpb_nb = { +static struct notifier_block cpb_nb = { .notifier_call = cpb_notify, }; diff --git a/arch/x86/kernel/cpu/mcheck/Makefile b/arch/x86/kernel/cpu/mcheck/Makefile index 4ac6d48fe11b..bb34b03af252 100644 --- a/arch/x86/kernel/cpu/mcheck/Makefile +++ b/arch/x86/kernel/cpu/mcheck/Makefile @@ -7,3 +7,5 @@ obj-$(CONFIG_X86_MCE_THRESHOLD) += threshold.o obj-$(CONFIG_X86_MCE_INJECT) += mce-inject.o obj-$(CONFIG_X86_THERMAL_VECTOR) += therm_throt.o + +obj-$(CONFIG_ACPI_APEI) += mce-apei.o diff --git a/arch/x86/kernel/cpu/mcheck/mce-apei.c b/arch/x86/kernel/cpu/mcheck/mce-apei.c new file mode 100644 index 000000000000..745b54f9be89 --- /dev/null +++ b/arch/x86/kernel/cpu/mcheck/mce-apei.c @@ -0,0 +1,138 @@ +/* + * Bridge between MCE and APEI + * + * On some machine, corrected memory errors are reported via APEI + * generic hardware error source (GHES) instead of corrected Machine + * Check. These corrected memory errors can be reported to user space + * through /dev/mcelog via faking a corrected Machine Check, so that + * the error memory page can be offlined by /sbin/mcelog if the error + * count for one page is beyond the threshold. + * + * For fatal MCE, save MCE record into persistent storage via ERST, so + * that the MCE record can be logged after reboot via ERST. + * + * Copyright 2010 Intel Corp. + * Author: Huang Ying <ying.huang@intel.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License version + * 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + +#include <linux/kernel.h> +#include <linux/acpi.h> +#include <linux/cper.h> +#include <acpi/apei.h> +#include <asm/mce.h> + +#include "mce-internal.h" + +void apei_mce_report_mem_error(int corrected, struct cper_sec_mem_err *mem_err) +{ + struct mce m; + + /* Only corrected MC is reported */ + if (!corrected) + return; + + mce_setup(&m); + m.bank = 1; + /* Fake a memory read corrected error with unknown channel */ + m.status = MCI_STATUS_VAL | MCI_STATUS_EN | MCI_STATUS_ADDRV | 0x9f; + m.addr = mem_err->physical_addr; + mce_log(&m); + mce_notify_irq(); +} +EXPORT_SYMBOL_GPL(apei_mce_report_mem_error); + +#define CPER_CREATOR_MCE \ + UUID_LE(0x75a574e3, 0x5052, 0x4b29, 0x8a, 0x8e, 0xbe, 0x2c, \ + 0x64, 0x90, 0xb8, 0x9d) +#define CPER_SECTION_TYPE_MCE \ + UUID_LE(0xfe08ffbe, 0x95e4, 0x4be7, 0xbc, 0x73, 0x40, 0x96, \ + 0x04, 0x4a, 0x38, 0xfc) + +/* + * CPER specification (in UEFI specification 2.3 appendix N) requires + * byte-packed. + */ +struct cper_mce_record { + struct cper_record_header hdr; + struct cper_section_descriptor sec_hdr; + struct mce mce; +} __packed; + +int apei_write_mce(struct mce *m) +{ + struct cper_mce_record rcd; + + memset(&rcd, 0, sizeof(rcd)); + memcpy(rcd.hdr.signature, CPER_SIG_RECORD, CPER_SIG_SIZE); + rcd.hdr.revision = CPER_RECORD_REV; + rcd.hdr.signature_end = CPER_SIG_END; + rcd.hdr.section_count = 1; + rcd.hdr.error_severity = CPER_SER_FATAL; + /* timestamp, platform_id, partition_id are all invalid */ + rcd.hdr.validation_bits = 0; + rcd.hdr.record_length = sizeof(rcd); + rcd.hdr.creator_id = CPER_CREATOR_MCE; + rcd.hdr.notification_type = CPER_NOTIFY_MCE; + rcd.hdr.record_id = cper_next_record_id(); + rcd.hdr.flags = CPER_HW_ERROR_FLAGS_PREVERR; + + rcd.sec_hdr.section_offset = (void *)&rcd.mce - (void *)&rcd; + rcd.sec_hdr.section_length = sizeof(rcd.mce); + rcd.sec_hdr.revision = CPER_SEC_REV; + /* fru_id and fru_text is invalid */ + rcd.sec_hdr.validation_bits = 0; + rcd.sec_hdr.flags = CPER_SEC_PRIMARY; + rcd.sec_hdr.section_type = CPER_SECTION_TYPE_MCE; + rcd.sec_hdr.section_severity = CPER_SER_FATAL; + + memcpy(&rcd.mce, m, sizeof(*m)); + + return erst_write(&rcd.hdr); +} + +ssize_t apei_read_mce(struct mce *m, u64 *record_id) +{ + struct cper_mce_record rcd; + ssize_t len; + + len = erst_read_next(&rcd.hdr, sizeof(rcd)); + if (len <= 0) + return len; + /* Can not skip other records in storage via ERST unless clear them */ + else if (len != sizeof(rcd) || + uuid_le_cmp(rcd.hdr.creator_id, CPER_CREATOR_MCE)) { + if (printk_ratelimit()) + pr_warning( + "MCE-APEI: Can not skip the unknown record in ERST"); + return -EIO; + } + + memcpy(m, &rcd.mce, sizeof(*m)); + *record_id = rcd.hdr.record_id; + + return sizeof(*m); +} + +/* Check whether there is record in ERST */ +int apei_check_mce(void) +{ + return erst_get_record_count(); +} + +int apei_clear_mce(u64 record_id) +{ + return erst_clear(record_id); +} diff --git a/arch/x86/kernel/cpu/mcheck/mce-internal.h b/arch/x86/kernel/cpu/mcheck/mce-internal.h index 32996f9fab67..fefcc69ee8b5 100644 --- a/arch/x86/kernel/cpu/mcheck/mce-internal.h +++ b/arch/x86/kernel/cpu/mcheck/mce-internal.h @@ -28,3 +28,26 @@ extern int mce_ser; extern struct mce_bank *mce_banks; +#ifdef CONFIG_ACPI_APEI +int apei_write_mce(struct mce *m); +ssize_t apei_read_mce(struct mce *m, u64 *record_id); +int apei_check_mce(void); +int apei_clear_mce(u64 record_id); +#else +static inline int apei_write_mce(struct mce *m) +{ + return -EINVAL; +} +static inline ssize_t apei_read_mce(struct mce *m, u64 *record_id) +{ + return 0; +} +static inline int apei_check_mce(void) +{ + return 0; +} +static inline int apei_clear_mce(u64 record_id) +{ + return -EINVAL; +} +#endif diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c index 7a355ddcc64b..707165dbc203 100644 --- a/arch/x86/kernel/cpu/mcheck/mce.c +++ b/arch/x86/kernel/cpu/mcheck/mce.c @@ -264,7 +264,7 @@ static void wait_for_panic(void) static void mce_panic(char *msg, struct mce *final, char *exp) { - int i; + int i, apei_err = 0; if (!fake_panic) { /* @@ -287,8 +287,11 @@ static void mce_panic(char *msg, struct mce *final, char *exp) struct mce *m = &mcelog.entry[i]; if (!(m->status & MCI_STATUS_VAL)) continue; - if (!(m->status & MCI_STATUS_UC)) + if (!(m->status & MCI_STATUS_UC)) { print_mce(m); + if (!apei_err) + apei_err = apei_write_mce(m); + } } /* Now print uncorrected but with the final one last */ for (i = 0; i < MCE_LOG_LEN; i++) { @@ -297,11 +300,17 @@ static void mce_panic(char *msg, struct mce *final, char *exp) continue; if (!(m->status & MCI_STATUS_UC)) continue; - if (!final || memcmp(m, final, sizeof(struct mce))) + if (!final || memcmp(m, final, sizeof(struct mce))) { print_mce(m); + if (!apei_err) + apei_err = apei_write_mce(m); + } } - if (final) + if (final) { print_mce(final); + if (!apei_err) + apei_err = apei_write_mce(final); + } if (cpu_missing) printk(KERN_EMERG "Some CPUs didn't answer in synchronization\n"); print_mce_tail(); @@ -1493,6 +1502,43 @@ static void collect_tscs(void *data) rdtscll(cpu_tsc[smp_processor_id()]); } +static int mce_apei_read_done; + +/* Collect MCE record of previous boot in persistent storage via APEI ERST. */ +static int __mce_read_apei(char __user **ubuf, size_t usize) +{ + int rc; + u64 record_id; + struct mce m; + + if (usize < sizeof(struct mce)) + return -EINVAL; + + rc = apei_read_mce(&m, &record_id); + /* Error or no more MCE record */ + if (rc <= 0) { + mce_apei_read_done = 1; + return rc; + } + rc = -EFAULT; + if (copy_to_user(*ubuf, &m, sizeof(struct mce))) + return rc; + /* + * In fact, we should have cleared the record after that has + * been flushed to the disk or sent to network in + * /sbin/mcelog, but we have no interface to support that now, + * so just clear it to avoid duplication. + */ + rc = apei_clear_mce(record_id); + if (rc) { + mce_apei_read_done = 1; + return rc; + } + *ubuf += sizeof(struct mce); + + return 0; +} + static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, loff_t *off) { @@ -1506,15 +1552,19 @@ static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, return -ENOMEM; mutex_lock(&mce_read_mutex); + + if (!mce_apei_read_done) { + err = __mce_read_apei(&buf, usize); + if (err || buf != ubuf) + goto out; + } + next = rcu_dereference_check_mce(mcelog.next); /* Only supports full reads right now */ - if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) { - mutex_unlock(&mce_read_mutex); - kfree(cpu_tsc); - - return -EINVAL; - } + err = -EINVAL; + if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) + goto out; err = 0; prev = 0; @@ -1562,10 +1612,15 @@ timeout: memset(&mcelog.entry[i], 0, sizeof(struct mce)); } } + + if (err) + err = -EFAULT; + +out: mutex_unlock(&mce_read_mutex); kfree(cpu_tsc); - return err ? -EFAULT : buf - ubuf; + return err ? err : buf - ubuf; } static unsigned int mce_poll(struct file *file, poll_table *wait) @@ -1573,6 +1628,8 @@ static unsigned int mce_poll(struct file *file, poll_table *wait) poll_wait(file, &mce_wait, wait); if (rcu_dereference_check_mce(mcelog.next)) return POLLIN | POLLRDNORM; + if (!mce_apei_read_done && apei_check_mce()) + return POLLIN | POLLRDNORM; return 0; } diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index e8029896309a..b4ae4acbd031 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -676,6 +676,17 @@ static struct dmi_system_id __initdata bad_bios_dmi_table[] = { DMI_MATCH(DMI_BOARD_NAME, "DG45FC"), }, }, + /* + * The Dell Inspiron Mini 1012 has DMI_BIOS_VENDOR = "Dell Inc.", so + * match on the product name. + */ + { + .callback = dmi_low_memory_corruption, + .ident = "Phoenix BIOS", + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 1012"), + }, + }, #endif {} }; diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c index 763d815e27a0..37462f1ddba5 100644 --- a/arch/x86/kernel/smpboot.c +++ b/arch/x86/kernel/smpboot.c @@ -1215,9 +1215,17 @@ __init void prefill_possible_map(void) if (!num_processors) num_processors = 1; - if (setup_possible_cpus == -1) - possible = num_processors + disabled_cpus; - else + i = setup_max_cpus ?: 1; + if (setup_possible_cpus == -1) { + possible = num_processors; +#ifdef CONFIG_HOTPLUG_CPU + if (setup_max_cpus) + possible += disabled_cpus; +#else + if (possible > i) + possible = i; +#endif + } else possible = setup_possible_cpus; total_cpus = max_t(int, possible, num_processors + disabled_cpus); @@ -1230,11 +1238,23 @@ __init void prefill_possible_map(void) possible = nr_cpu_ids; } +#ifdef CONFIG_HOTPLUG_CPU + if (!setup_max_cpus) +#endif + if (possible > i) { + printk(KERN_WARNING + "%d Processors exceeds max_cpus limit of %u\n", + possible, setup_max_cpus); + possible = i; + } + printk(KERN_INFO "SMP: Allowing %d CPUs, %d hotplug CPUs\n", possible, max_t(int, possible - num_processors, 0)); for (i = 0; i < possible; i++) set_cpu_possible(i, true); + for (; i < NR_CPUS; i++) + set_cpu_possible(i, false); nr_cpu_ids = possible; } diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c index 2bdf628066bd..9257510b4836 100644 --- a/arch/x86/lguest/boot.c +++ b/arch/x86/lguest/boot.c @@ -1390,7 +1390,6 @@ __init void lguest_init(void) #endif #ifdef CONFIG_ACPI acpi_disabled = 1; - acpi_ht = 0; #endif /* diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c index 10c27bb1e95f..550df481accd 100644 --- a/arch/x86/mm/numa.c +++ b/arch/x86/mm/numa.c @@ -2,7 +2,6 @@ #include <linux/topology.h> #include <linux/module.h> #include <linux/bootmem.h> -#include <linux/random.h> #ifdef CONFIG_DEBUG_PER_CPU_MAPS # define DBG(x...) printk(KERN_DEBUG x) @@ -66,19 +65,3 @@ const struct cpumask *cpumask_of_node(int node) } EXPORT_SYMBOL(cpumask_of_node); #endif - -/* - * Return the bit number of a random bit set in the nodemask. - * (returns -1 if nodemask is empty) - */ -int __node_random(const nodemask_t *maskp) -{ - int w, bit = -1; - - w = nodes_weight(*maskp); - if (w) - bit = bitmap_ord_to_pos(maskp->bits, - get_random_int() % w, MAX_NUMNODES); - return bit; -} -EXPORT_SYMBOL(__node_random); diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c index bbe5502ee1cb..acc15b23b743 100644 --- a/arch/x86/mm/pat.c +++ b/arch/x86/mm/pat.c @@ -336,6 +336,7 @@ int free_memtype(u64 start, u64 end) { int err = -EINVAL; int is_range_ram; + struct memtype *entry; if (!pat_enabled) return 0; @@ -355,17 +356,20 @@ int free_memtype(u64 start, u64 end) } spin_lock(&memtype_lock); - err = rbt_memtype_erase(start, end); + entry = rbt_memtype_erase(start, end); spin_unlock(&memtype_lock); - if (err) { + if (!entry) { printk(KERN_INFO "%s:%d freeing invalid memtype %Lx-%Lx\n", current->comm, current->pid, start, end); + return -EINVAL; } + kfree(entry); + dprintk("free_memtype request 0x%Lx-0x%Lx\n", start, end); - return err; + return 0; } diff --git a/arch/x86/mm/pat_internal.h b/arch/x86/mm/pat_internal.h index 4f39eefa3e61..77e5ba153fac 100644 --- a/arch/x86/mm/pat_internal.h +++ b/arch/x86/mm/pat_internal.h @@ -28,15 +28,15 @@ static inline char *cattr_name(unsigned long flags) #ifdef CONFIG_X86_PAT extern int rbt_memtype_check_insert(struct memtype *new, unsigned long *new_type); -extern int rbt_memtype_erase(u64 start, u64 end); +extern struct memtype *rbt_memtype_erase(u64 start, u64 end); extern struct memtype *rbt_memtype_lookup(u64 addr); extern int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos); #else static inline int rbt_memtype_check_insert(struct memtype *new, unsigned long *new_type) { return 0; } -static inline int rbt_memtype_erase(u64 start, u64 end) -{ return 0; } +static inline struct memtype *rbt_memtype_erase(u64 start, u64 end) +{ return NULL; } static inline struct memtype *rbt_memtype_lookup(u64 addr) { return NULL; } static inline int rbt_memtype_copy_nth_element(struct memtype *out, loff_t pos) diff --git a/arch/x86/mm/pat_rbtree.c b/arch/x86/mm/pat_rbtree.c index 07de4cb8cc30..f537087bb740 100644 --- a/arch/x86/mm/pat_rbtree.c +++ b/arch/x86/mm/pat_rbtree.c @@ -231,16 +231,17 @@ int rbt_memtype_check_insert(struct memtype *new, unsigned long *ret_type) return err; } -int rbt_memtype_erase(u64 start, u64 end) +struct memtype *rbt_memtype_erase(u64 start, u64 end) { struct memtype *data; data = memtype_rb_exact_match(&memtype_rbroot, start, end); if (!data) - return -EINVAL; + goto out; rb_erase(&data->rb, &memtype_rbroot); - return 0; +out: + return data; } struct memtype *rbt_memtype_lookup(u64 addr) diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c index 792854003ed3..cac718499256 100644 --- a/arch/x86/mm/pgtable_32.c +++ b/arch/x86/mm/pgtable_32.c @@ -9,7 +9,6 @@ #include <linux/pagemap.h> #include <linux/spinlock.h> #include <linux/module.h> -#include <linux/quicklist.h> #include <asm/system.h> #include <asm/pgtable.h> diff --git a/arch/x86/pci/acpi.c b/arch/x86/pci/acpi.c index 31930fd30ea9..2ec04c424a62 100644 --- a/arch/x86/pci/acpi.c +++ b/arch/x86/pci/acpi.c @@ -207,10 +207,9 @@ get_current_resources(struct acpi_device *device, int busnum, if (!info.res) goto res_alloc_fail; - info.name = kmalloc(16, GFP_KERNEL); + info.name = kasprintf(GFP_KERNEL, "PCI Bus %04x:%02x", domain, busnum); if (!info.name) goto name_alloc_fail; - sprintf(info.name, "PCI Bus %04x:%02x", domain, busnum); info.res_num = 0; acpi_walk_resources(device->handle, METHOD_NAME__CRS, setup_resource, @@ -224,8 +223,11 @@ res_alloc_fail: return; } -struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_device *device, int domain, int busnum) +struct pci_bus * __devinit pci_acpi_scan_root(struct acpi_pci_root *root) { + struct acpi_device *device = root->device; + int domain = root->segment; + int busnum = root->secondary.start; struct pci_bus *bus; struct pci_sysdata *sd; int node; |