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path: root/drivers/char/Kconfig
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2011-01-13cs5535: deprecate older cs5535_gpio driverAndres Salomon
The newer drivers/gpio/cs5535-gpio.c replaces drivers/misc/cs5535_gpio.c. The new driver has been in the tree for a little while, and has received some testing; it's time to mark the old one as deprecated. I'm thinking removal around 2.6.40 would be good, provided we're not missing critical functionality in the newer driver. Signed-off-by: Andres Salomon <dilinger@queued.net> Cc: Daniel Drake <dsd@laptop.org> Acked-by: Ben Gardner <bgardner@wabtec.com> Cc: Greg KH <greg@kroah.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-11-30drivers: char: hvc: add arm JTAG DCC console supportDaniel Walker
This driver adds a basic console that uses the arm JTAG DCC to transfer data back and forth. It has support for ARMv6 and ARMv7. This console is created under the HVC driver, and should be named /dev/hvcX (or /dev/hvc0 for example). Cc: Tony Lindgren <tony@atomide.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org> Cc: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Daniel Walker <dwalker@codeaurora.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-10-22add ttyprintk driverSamo Pogacnik
Ttyprintk is a pseudo TTY driver, which allows users to make printk messages, via output to ttyprintk device. It is possible to store "console" messages inline with kernel messages for better analyses of the boot process, for example. Signed-off-by: Samo Pogacnik <samo_pogacnik@t-2.net> Acked-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-08-12pc8736x_gpio: depends on X86_32Randy Dunlap
Fix kconfig dependency warning for PC8736x_GPIO by restricting it to X86_32. warning: (SCx200_GPIO && SCx200 || PC8736x_GPIO && X86) selects NSC_GPIO which has unmet direct dependencies (X86_32) NSC_GPIO is X86_32 only. The other driver (SCx200_GPIO) that selects NSC_GPIO is X86_32 only (indirectly, since SCx200 depends on X86_32), so limit this driver also. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Cc: Jordan Crouse <jordan.crouse@amd.com> Cc: Jim Cromie <jim.cromie@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-06-04ramoops: add HAS_IOMEM dependencyHeiko Carstens
The driver fails to compile on s390: drivers/char/ramoops.c: In function 'ramoops_init': drivers/char/ramoops.c:122: error: implicit declaration of function 'ioremap' Since we won't make use of the driver anyway on s390 just let it depend on HAS_IOMEM. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Marco Stornelli <marco.stornelli@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-27char drivers: RAM oops/panic loggerMarco Stornelli
Ramoops, like mtdoops, can log oops/panic information but in RAM. It can be used with persistent RAM for systems without flash support. In addition, for this systems, with this driver, it's no more needed add to the kernel the mtd subsystem with advantage in footprint. It can be used in a very easy way with persistent RAM for systems without flash support. For these systems, with this driver, it is no longer required to cinlude mtd subsystem with an advantage in footprint. In addition, you can save flash space and store this information only in RAM. Signed-off-by: Marco Stornelli <marco.stornelli@gmail.com> Cc: Simon Kagstrom <simon.kagstrom@netinsight.net> Cc: David Woodhouse <David.Woodhouse@intel.com> Cc; Anders Grafstrom <anders.grafstrom@netinsight.net> Cc: Yuasa Yoichi <yuasa@linux-mips.org> Cc: Jamie Lokier <jamie@shareable.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-21tty: n_gsm: depends on NETRandy Dunlap
n_gsm uses skb functions, so it should depend on NET. n_gsm.c:(.text+0x123d49): undefined reference to `skb_dequeue' n_gsm.c:(.text+0x123d98): undefined reference to `kfree_skb' n_gsm.c:(.text+0x123e1e): undefined reference to `skb_pull' Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-05-21tty: n_gsm line disciplineAlan Cox
Add an implementation of GSM 0710 MUX. The implementation currently supports - Basic and advanced framing (as either end of the link) - UI or UIH data frames - Adaption layer 1-4 (1 and 2 via tty, 3 and 4 as skbuff lists) - Modem and control messages including the correct retry process - Flow control and exposes the MUX channels as a set of virtual tty devices including modem signals. This is an experimental driver. Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2010-02-24virtio: console: Associate each port with a char deviceAmit Shah
The char device will be used as an interface by applications on the guest to communicate with apps on the host. The devices created are placed in /dev/vportNpn where N is the virtio-console device number and n is the port number for that device. One dynamic major device number is allocated for each device and minor numbers are allocated for the ports contained within that device. The file operation for the char devs will be added in the following commits. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2010-01-15powerpc/hvc: Driver build breaks with !HVC_CONSOLEKamalesh Babulal
Hi Stephen, next-20090925 randconfig build breaks on hvcs driver on powerpc, with HVC_CONSOLE=n. ERROR: ".hvc_put_chars" [drivers/char/hvcs.ko] undefined! ERROR: ".hvc_get_chars" [drivers/char/hvcs.ko] undefined! adding the dependency of HVC_CONSOLE helped Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-12-15bfin-otp: add BF51x to the supported arch listMike Frysinger
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2009-12-11tty: esp: remove broken driverAlan Cox
The ESP driver has been marked broken for years. It's an old ISA device that clearly nobody cares about any more. Remove it Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-10-30tty: Mark generic_serial users as BROKENAlan Cox
There isn't much else I can do with these. I can find no hardware for any of them and no users. The code is broken. Signed-off-by: Alan Cox <alan@linux.intel.com> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2009-09-24drivers/char/uv_mmtimer.c: add memory mapped RTC driver for UVDimitri Sivanich
This driver memory maps the UV Hub RTC. Signed-off-by: Dimitri Sivanich <sivanich@sgi.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-07-03MIPS: Update VR41xx GPIO driver to use gpiolibYoichi Yuasa
Signed-off-by: Yoichi Yuasa <yyuasa@linux.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2009-06-18drivers/char/rtc: disable legacy RTC driver on Blackfin systemsMike Frysinger
Blackfin platforms do not support the hardware which this driver drives. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Paul Mundt <lethal@linux-sh.org> Cc: David Brownell <david-b@pacbell.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-06-14Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial: (31 commits) trivial: remove the trivial patch monkey's name from SubmittingPatches trivial: Fix a typo in comment of addrconf_dad_start() trivial: usb: fix missing space typo in doc trivial: pci hotplug: adding __init/__exit macros to sgi_hotplug trivial: Remove the hyphen from git commands trivial: fix ETIMEOUT -> ETIMEDOUT typos trivial: Kconfig: .ko is normally not included in module names trivial: SubmittingPatches: fix typo trivial: Documentation/dell_rbu.txt: fix typos trivial: Fix Pavel's address in MAINTAINERS trivial: ftrace:fix description of trace directory trivial: unnecessary (void*) cast removal in sound/oss/msnd.c trivial: input/misc: Fix typo in Kconfig trivial: fix grammo in bus_for_each_dev() kerneldoc trivial: rbtree.txt: fix rb_entry() parameters in sample code trivial: spelling fix in ppc code comments trivial: fix typo in bio_alloc kernel doc trivial: Documentation/rbtree.txt: cleanup kerneldoc of rbtree.txt trivial: Miscellaneous documentation typo fixes trivial: fix typo milisecond/millisecond for documentation and source comments. ...
2009-06-12Merge branch 'for-linus' of git://git.monstr.eu/linux-2.6-microblazeLinus Torvalds
* 'for-linus' of git://git.monstr.eu/linux-2.6-microblaze: (55 commits) microblaze: Don't use access_ok for unaligned microblaze: remove unused flat_stack_align() definition microblaze: Fix problem with early_printk in startup microblaze_mmu_v2: Makefiles microblaze_mmu_v2: Kconfig update microblaze_mmu_v2: stat.h MMU update microblaze_mmu_v2: Elf update microblaze_mmu_v2: Update dma.h for MMU microblaze_mmu_v2: Update cacheflush.h microblaze_mmu_v2: Update signal returning address microblaze_mmu_v2: Traps MMU update microblaze_mmu_v2: Enable fork syscall for MMU and add fork as vfork for noMMU microblaze_mmu_v2: Update linker script for MMU microblaze_mmu_v2: Add MMU related exceptions handling microblaze_mmu_v2: uaccess MMU update microblaze_mmu_v2: Update exception handling - MMU exception microblaze_mmu_v2: entry.S, entry.h microblaze_mmu_v2: Add CURRENT_TASK for entry.S microblaze_mmu_v2: MMU asm offset update microblaze_mmu_v2: Update tlb.h and tlbflush.h ...
2009-06-12trivial: Kconfig: .ko is normally not included in module namesPavel Machek
.ko is normally not included in Kconfig help, make it consistent. Signed-off-by: Pavel Machek <pavel@ucw.cz> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2009-06-11tty: bfin_jtag_comm: emulate a TTY over the Blackfin EMUDAT/JTAG interfaceMike Frysinger
The Blackfin JTAG interface has a 4 byte generic data field (EMUDAT). With a little creative thinking, we can turn this into a TTY device. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Signed-off-by: Bryan Wu <cooloney@kernel.org> Signed-off-by: Alan Cox <alan@linux.intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-05-21microblaze: Kconfig: Enable drivers for MicroblazeMichal Simek
Signed-off-by: Michal Simek <monstr@monstr.eu>
2009-01-31NVRAM depends on RTC_DRV_CMOSUwe Kleine-König
drivers/char/nvram.c uses rtc_lock, that (on ARM) is only defined if RTC_DRV_CMOS is enabled. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2009-01-08powerpc: Fix iseries drivers build failure without CONFIG_VIOPATHKamalesh Babulal
iSeries dependent drivers fail to build, when CONFIG_VIOPATH is disabled. Fix the problem by making those drivers select it. Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2009-01-06genrtc: disable genrtc on Blackfin systemsMike Frysinger
Blackfin platforms do not support the hardware which this driver drives. Signed-off-by: Mike Frysinger <vapier.adi@gmail.com> Signed-off-by: Bryan Wu <cooloney@kernel.org> Acked-by: Alessandro Zummo <a.zummo@towertech.it> Cc: David Brownell <david-b@pacbell.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-02tty: ESP has been broken for locking etc forverAlan Cox
Mark it broken Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2009-01-02Add DEVPTS_MULTIPLE_INSTANCES config tokenSukadev Bhattiprolu
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-12-28Merge branch 'next' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc * 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (144 commits) powerpc/44x: Support 16K/64K base page sizes on 44x powerpc: Force memory size to be a multiple of PAGE_SIZE powerpc/32: Wire up the trampoline code for kdump powerpc/32: Add the ability for a classic ppc kernel to be loaded at 32M powerpc/32: Allow __ioremap on RAM addresses for kdump kernel powerpc/32: Setup OF properties for kdump powerpc/32/kdump: Implement crash_setup_regs() using ppc_save_regs() powerpc: Prepare xmon_save_regs for use with kdump powerpc: Remove default kexec/crash_kernel ops assignments powerpc: Make default kexec/crash_kernel ops implicit powerpc: Setup OF properties for ppc32 kexec powerpc/pseries: Fix cpu hotplug powerpc: Fix KVM build on ppc440 powerpc/cell: add QPACE as a separate Cell platform powerpc/cell: fix build breakage with CONFIG_SPUFS disabled powerpc/mpc5200: fix error paths in PSC UART probe function powerpc/mpc5200: add rts/cts handling in PSC UART driver powerpc/mpc5200: Make PSC UART driver update serial errors counters powerpc/mpc5200: Remove obsolete code from mpc5200 MDIO driver powerpc/mpc5200: Add MDMA/UDMA support to MPC5200 ATA driver ... Fix trivial conflict in drivers/char/Makefile as per Paul's directions
2008-12-25[S390] s390/hvc_console: z/VM IUCV hypervisor console supportHendrik Brueckner
This patch introduces a new hypervisor console (HVC) back-end that provides terminal access over the z/VM inter-user communication vehicle (IUCV). The z/VM IUCV communication is independent of the regular tcp/ip network and allows access even if there is no network connection between two z/VM guest virtual machines. The z/VM IUCV hypervisor console back-end helps the user to access a z/VM guest virtual machine that lacks of network connectivity; and thus, provides a "full-screen" terminal alternative to 3215/3270 terminal sessions. Use the hvc_iucv=[0..8] kernel boot parameter to specify the number of HVC terminals using a z/VM IUCV back-end. A recent version of the s390-tools package is required to establish a terminal connection to a z/VM IUCV hypervisor console back-end. Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2008-11-19Merge branch 'linux-2.6' into nextPaul Mackerras
2008-11-19powerpc: udbg-based backend for hvc_consoleDavid Gibson
This adds a new backend for the hvc console based on the low-level udbg callbacks. This effectively implements a working runtime console in terms of the simple udbg primitives. This is kind of a hack - since udbg isn't something you really want to be using routinely - but it's really useful during bringup. This can be used to quickly implement a userspace-usable console while you're working on a proper driver for whatever console I/O device the hardware has. Or, it can be used to avoid writing a full blown tty/console driver entirely for quick-and-dirty I/O hardware that will later be replaced by something else. Signed-off-by: David Gibson <david@gibson.dropbear.id.au> Signed-off-by: Paul Mackerras <paulus@samba.org>
2008-11-14Create/use more directory structure in the Documentation/ tree.Randy Dunlap
Create Documentation/blockdev/ sub-directory and populate it. Populate the Documentation/serial/ sub-directory. Move MSI-HOWTO.txt to Documentation/PCI/. Move ioctl-number.txt to Documentation/ioctl/. Update all relevant 00-INDEX files. Update all relevant Kconfig files and source files. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
2008-10-30CHAR: Delete old and now unused M48T35 RTC driver for SGI IP27.Ralf Baechle
It was only used by this one SGI platform which recently was converted to RTC_LIB and with RTC_LIB enabled the legacy drivers are no more selectable. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2008-10-30CHAR: Delete old and now unused DS1286 driver.Ralf Baechle
It was only used by two SGI platforms which recently were converted to RTC_LIB and with RTC_LIB enabled the legacy drivers are no more selectable. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp>
2008-10-16legacy rtc: remove needless/confusing HPET_RTC_IRQ optionDavid Brownell
HPET_RTC_IRQ is no longer needed; HPET_EMULATE_RTC suffices and is more correct. (http://bugzilla.kernel.org/show_bug.cgi?id=11111) Note that when using the legacy RTC driver, platforms don't really do a dynamic switch between HPET and non-HPET modes based on whether HPET hardware actually exists ... only rtc-cmos (using the new RTC framework) currently switches that way. So this reflects bitrot in that legacy code, for x86/ia64: kernels with HPET support configured (e.g. for a clocksource) can't get IRQs from the legacy RTC driver unless they really have HPET hardware. (The obvious workaround is to not use the legacy RTC driver on those platforms when you configure HPET ... unless you know the target really has a HPET.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Ingo Molnar <mingo@elte.hu> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-10-13stallion: Use krefsAlan Cox
Use tty_port_init and krefs in the stallion drivers to protect us from devices going away underneath us. As with the other drives some rearranging is done to pass the tty structure down properly on the user side. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-08-07powerpc/iseries: remove the old viocons driverStephen Rothwell
This driver was declared obsolete over 2 years ago, the alternative console driver for legacy iSeries (hvc_iseries) was made the default over 1 year ago and this driver has been build broken for over 3 months, so remove it. Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-25Merge git://git.infradead.org/embedded-2.6Linus Torvalds
* git://git.infradead.org/embedded-2.6: Make console charset translation optional
2008-07-25virtio: console as a config optionChristian Borntraeger
I also added a small Kconfig change that allows the user to specify the virtio console in menuconfig. (Fixes to export symbols from Stephen Rothwell <sfr@canb.auug.org.au>) (Fixes for CONFIG_VIRTIO_CONSOLE=y vs CONFIG_VIRTIO=m from Christian himself) Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Stephen Rothwell <sfr@canb.auug.org.au>
2008-07-25hvc_console: rework setup to replace irq functions with callbacksChristian Borntraeger
This patch tries to change hvc_console to not use request_irq/free_irq if the backend does not use irqs. This allows virtio_console to use hvc_console without having a linker reference to request_irq/free_irq. In addition, together with patch 2/3 it improves the performance for virtio console input. (an earlier version of this patch was tested by Yajin on lguest) The irq specific code is moved to hvc_irq.c and selected by the drivers that use irqs (System p, System i, XEN). I replaced "int irq" with the opaque "int data". The request_irq and free_irq calls are replaced with notifier_add and notifier_del. I have also changed the code a bit to call the notifier_add and notifier_del inside the spinlock area as the callbacks are found via hp->ops. Changes since last version: o remove ifdef o reintroduce "irq_requested" as "notified" o cleanups, sparse.. I did not move the timer based polling into a separate polling scheme. I played with several variants, but it seems we need to sleep/schedule in a thread even for irq based consoles, as there are throttleing and buffer size constraints. I also kept hvc_struct defined in hvc_console.h so that hvc_irq.c can access the irq_requested element. Feedback is appreciated. virtio_console is currently the only available console for kvm on s390. I plan to push this change as soon as all affected parties agree on it. I would love to get test results from System p, Xen etc. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2008-07-24drivers/char: remove old broken Cobalt LCD driverYoichi Yuasa
Remove old broken Cobalt LCD driver. Signed-off-by: Yoichi Yuasa <yoichi_yuasa@tripeaks.co.jp> Acked-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-22specialix: restore driver using new break functionalityAlan Cox
Use the hardware break support on the specialix driver Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-22riscom8: Restore driver using new break functionalityAlan Cox
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-22isicom: restore using hardware break supportAlan Cox
Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-22epca: Restore driverAlan Cox
Convert the driver to use the added hardware break support Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-22tty: rework break handlingAlan Cox
Some hardware needs to do break handling itself and may have partial support only. Make break_ctl return an error code. Add a tty driver flag so you can indicate driver hardware side break support. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-22tty: Mark unconverted drivers as BROKENAlan Cox
Nobody seems to use these drivers anyway so if they want them they can fix them up. I don't have the needed info to add break_ctl support to them. Send patches if you don't like it. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-22specialix: Code cleanupsAlan Cox
Go through the inlines and other oddments that are iffy. Remove various bits of dead code and bogus debug. Turn the crtsdts compile time option into a runtime switch. Signed-off-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-07-15powerpc: Add driver for Barrier Synchronization RegisterSonny Rao
Adds a character driver for BSR support on IBM POWER systems including Power5 and Power6. The BSR is an optional processor facility not currently implemented by any other processors. It's primary purpose is fast large SMP synchronization. More details on the BSR are in comments to the code which follows. This patch adds BSR driver to pseries_defconfig. Signed-off-by: Sonny Rao <sonnyrao@linux.vnet.ibm.com> Signed-off-by: Joel Schopp <jschopp@austin.ibm.com> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
2008-06-12rtc: make HPET_RTC_IRQ track HPET_EMULATE_RTCDavid Brownell
More Kconfig tweaks related to the legacy PC RTC code: - Describe the legacy PC RTC driver as such ... it's never quite been clear that this driver is for PC RTCs, and now it's fair to call this the "legacy" driver. - Force it to understand about HPET stealing its IRQs ... kernel code does this always when HPET is in use, there should be no option for users to goof up the config. This seems to fix kernel bugzilla #10729. Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Cc: Maxim Levitsky <maximlevitsky@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-06-06drivers/char/ip2: fix Kconfig after ip2/ip2main mergeRoland.Kletzing
As commit 6089093e588ee3f6aed99d08b1cf5ea37c52cf97 ("ip2: fix crashes on load/unload") fixed the ip2 crashes on load/unload by making ip2/ip2main one module (ip2), Kconfig shouldn't mention a now non-existing module. Signed-off-by: Roland.Kletzing <devzero@web.de> Acked-by: Alan Cox <alan@redhat.com> Cc: Jiri Slaby <jirislaby@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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