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2009-12-08ARM: S3C: move s3c_adc_remove to .devexit.textUwe Kleine-König
The function s3c_adc_remove is used only wrapped by __devexit_p so define it using __devexit. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Sam Ravnborg <sam@ravnborg.org> Cc: Russell King <linux@arm.linux.org.uk> Acked-By: Ben Dooks <ben@simtec.co.uk> Cc: Ramax Lo <ramaxlo@gmail.com> Cc: Nelson Castillo <arhuaco@freaks-unidos.net> Cc: linux-kernel@vger.kernel.org Cc: Ben Dooks <ben-linux@fluff.org> Cc: Alexey Dobriyan <adobriyan@gmail.com> Cc: Ryan Mallon <ryan@bluewatersys.com> Cc: linux-arm-kernel@lists.infradead.org Signed-off-by: Ben Dooks <ben-linux@fluff.org>
2009-12-07Merge branch 'for-next' into for-linusJiri Kosina
Conflicts: kernel/irq/chip.c
2009-12-07x86 insn: Delete empty or incomplete inat-tables.cMasami Hiramatsu
Delete empty or incomplete inat-tables.c if gen-insn-attr-x86.awk failed, because it causes a build error if user tries to build kernel next time. Reported-by: Arkadiusz Miskiewicz <arekm@maven.pl> Signed-off-by: Masami Hiramatsu <mhiramat@redhat.com> Cc: systemtap <systemtap@sources.redhat.com> Cc: DLE <dle-develop@lists.sourceforge.net> Cc: Jens Axboe <jens.axboe@oracle.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> LKML-Reference: <20091207170033.19230.37688.stgit@dhcp-100-2-132.bos.redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-07x86: Fix bogus warning in apic_noop.apic_write()Thomas Gleixner
apic_noop is used to provide dummy apic functions. It's installed when the CPU has no APIC or when the APIC is disabled on the kernel command line. The apic_noop implementation of apic_write() warns when the CPU has an APIC or when the APIC is not disabled. That's bogus. The warning should only happen when the CPU has an APIC _AND_ the APIC is not disabled. apic_noop.apic_read() has the correct check. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: <stable@kernel.org> # in <= .32 this typo resides in native_apic_write_dummy() LKML-Reference: <alpine.LFD.2.00.0912071255420.3089@localhost.localdomain> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-07Merge branch 'linus' into x86/urgentIngo Molnar
Merge reason: we want to queue up a dependent fix. Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-07[S390] s390: remove unused nfsd #includesBoaz Harrosh
Some unused includes removed. This patch is in an effort to cleanup nfsd headers and move private definitions to source directory. Signed-off-by: Boaz Harrosh <bharrosh@panasas.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] ftrace: build ftrace.o when CONFIG_FTRACE_SYSCALLS is set for s390Aristeu Rozanski
Trying to build a s390x kernel with CONFIG_FTRACE_SYSCALLS will fail because ftrace.o is not built/linked. Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Aristeu Rozanski <aris@redhat.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] etr/stp: put correct per cpu variableHeiko Carstens
Fix this compile error in linux-next: arch/s390/kernel/time.c: In function 'get_sync_clock': arch/s390/kernel/time.c:337: error: 'clock_sync_sync' undeclared (first use in this function) Gets exposed because the new per cpu code references the variable passed to put_cpu_var. This was not a real bug. Reported-by: Sachin Sant <sachinp@in.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] s390: use change recording override for kernel mappingChristian Borntraeger
We dont need the dirty bit if a write access is done via the kernel mapping. In that case SetPageDirty and friends are used anyway, no need to do that a second time. We can use the change-recording overide function for the kernel mapping, if available. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] use generic sockios.h header fileChristian Borntraeger
A compare shows that arch/s390/include/asm/sockios.h is the same as include/asm-generic/sockios.h. This patch lets arch/s390/include/asm/ termbits.h include the generic header. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] use generic termbits.h header fileChristian Borntraeger
A compare shows that arch/s390/include/asm/termbits.h is the same as include/asm-generic.h. This patch lets arch/s390/include/asm/termbits.h include the generic header. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] smp: remove unused typedef and definesHeiko Carstens
Remove unused typedef, defines, update copyright, remove unneeded includes, remove unneeded ifdefs. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] cmm: free pages on hibernate.Martin Schwidefsky
The pages allocated by the cmm memory balloon should be freed before the hibernation image is created. Otherwise the memory reserved by the balloon gets written to the swap device but there is no content in these pages that need to be preserved. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] Improve code generated by atomic operations.Martin Schwidefsky
Git commit ea435467500612636f8f4fb639ff6e76b2496e4b changed the definition of atomic_t and atomic64_t for s390 by adding the volatile modifier to the counter field. This has an unfortunate side effect with newer versions of the gcc. The typeof operator now picks up the volatile modifier from the expression. This causes the compiler to think that it has to store the two temporary variable old_val and new_val in the __CS_LOOP for the different atomic operations to the stack as the variables are now volatile. Both stores are superfluous. The hack to replace typeof(ptr->counter) with int in __CS_LOOP and and long long in __CSG_LOOP avoids the two stores. A better solution would be to drop the volatile from the counter field of the atomic_t and atomic64_t definition. But that is a touchy subject .. Cc: Matthew Wilcox <matthew@wil.cx> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] dasd: remove dead codeChristian Borntraeger
the todclk.h header file is dead code. Remove it. Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] Use do_exception() in pagetable walk usercopy functions.Gerald Schaefer
The pagetable walk usercopy functions have used a modified copy of the do_exception() function for fault handling. This lead to inconsistencies with recent changes to do_exception(), e.g. performance counters. This patch changes the pagetable walk usercopy code to call do_exception() directly, eliminating the redundancy. A new parameter is added to do_exception() to specify the fault address. Signed-off-by: Gerald Schaefer <gerald.schaefer@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] fault handler access flags check.Martin Schwidefsky
Simplify the check of the vma->flags in do_exception for the different fault types. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] fault handler performance optimization.Martin Schwidefsky
Slim down the do_exception function to handle only the fast path of a fault and move the exceptional cases into a new function. That slightly increases the performance of the fault handling. Build fix for !CONFIG_COMPAT by Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] Improve notify_page_fault implementation.Martin Schwidefsky
notify_page_fault does a preempt_disable/preempt_enable for each fault generated by a kernel access to user space. If kprobes is not active that is unnecessary since the interrupts are not reenabled yet. To play safe repeat the kprobe_running check after preempt_disable(). Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] Improve address space mode selection.Martin Schwidefsky
Introduce user_mode to replace the two variables switch_amode and s390_noexec. There are three valid combinations of the old values: 1) switch_amode == 0 && s390_noexec == 0 2) switch_amode == 1 && s390_noexec == 0 3) switch_amode == 1 && s390_noexec == 1 They get replaced by 1) user_mode == HOME_SPACE_MODE 2) user_mode == PRIMARY_SPACE_MODE 3) user_mode == SECONDARY_SPACE_MODE The new kernel parameter user_mode=[primary,secondary,home] lets you choose the address space mode the user space processes should use. In addition the CONFIG_S390_SWITCH_AMODE config option is removed. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] Improve address space check.Martin Schwidefsky
A data access in access-register mode always is a user mode access, the code to inspect the access-registers can be removed. The second change is to use a different test to check for no-execute fault. The third change is to pass the translation exception identification as parameter, in theory the trans_exc_code in the lowcore could have been overwritten by the time the call to check_space from do_no_context is done. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] cio: split PGID settings and statusPeter Oberparleiter
Split setting (driver wants feature enabled) and status (feature setup was successful) for PGID related ccw device features so that setup errors can be detected. Previously, incorrectly handled setup errors could in rare cases lead to erratic I/O behavior and permanently unusuable devices. Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07[S390] s390: clear high-order bits of registers after sam64Hendrik Brueckner
When the kernel is IPLed without the CLEAR option and switches to 64-bit, the high-order half of the registers might contain random values. This can cause addressing exceptions and the kernel enters an interrupt loop. Initialize the high-order half of the general purpose registers with zeros after switching to 64-bit mode. Cc: <stable@kernel.org> Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-12-07x86: Compile insn.c and inat.c only for KPROBESOGAWA Hirofumi
At least, insn.c and inat.c is needed for kprobe for now. So, this compile those only if KPROBES is enabled. Signed-off-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Cc: Masami Hiramatsu <mhiramat@redhat.com> LKML-Reference: <878wdg8icq.fsf@devron.myhome.or.jp> Signed-off-by: Ingo Molnar <mingo@elte.hu>
2009-12-06Merge branch 'sa1100' into develRussell King
2009-12-06Merge branch 'for-lak' of git://git.linuxtogo.org/home/thesing/collie into ↵Russell King
sa1100
2009-12-06ARM: 5827/1: SA1100: h3100/h3600: emit messages on failed gpio_requestDmitry Artamonow
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5826/1: SA1100: h3100/h3600: always build htc-egpio driverDmitry Artamonow
Many features of h3100/h3600 (LCD, PCMCIA, Flash write, etc.) depend on correct functioning of GPIO expander handled by htc-egpio driver, so force its building in Kconfig. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5825/1: SA1100: h3600: update defconfigDmitry Artamonow
Update defconfig to current kernel, enable support for iPAQ H3100 and following drivers: gpio-keys, htc-egpio, ide_cs. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5823/1: SA1100: h3100/h3600: add support for gpio-keysDmitry Artamonow
Add support for "Power" and "Action" (joystick center) buttons - the only buttons on iPaq h3100/h3600 connected to GPIOs (other buttons are controlled by microcontroller) Also remove setting PWER for wakeup on Power button press - gpio-keys driver will handle it. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5822/1: SA1100: h3100/h3600: clean up #includesDmitry Artamonow
After a code reorganization and following split, there's some #includes now unused. Clean them up and sort remaining alphabetticaly where possible. Compile tested. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5821/1: SA1100: h3100/h3600: revise copyright boilerplatesDmitry Artamonow
Correct boilerplates after files split. Also shorten them a bit - use standart GPL wording (as per http://lkml.org/lkml/2007/5/1/220) and drop changelog, which only entry about h3800 support and abstracted EGPIOs is just confusing now, as both of these features are gone. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5820/1: SA1100: h3100/h3600: split h3600.cDmitry Artamonow
Split common h3600.c into three separate files: h3100.c, h3600.c and h3xxx.c (the latter contains common code for h3100/h3600) Copyright boilerplates and #includes are copied intact and will be cleaned up later. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5819/1: SA1100: h3100/h3600: merge h3600.h and h3600_gpio.h into h3xxx.hDmitry Artamonow
Combine both headers into one, rename to h3xxx.h and change all users accordingly. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5818/1: SA1100: h3100/h3600: drop old GPIO definitionsDmitry Artamonow
As all existing code was converted to gpiolib, drop no more used pre-gpiolib (bit-shifted) GPIO definintions. Supply new gpiolib-friendly definitions for GPIOs which don't have them yet. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5817/1: SA1100: h3100/h3600: configure all unused gpios as inputsDmitry Artamonow
After conversion to gpiolib there's still some GPIOs left, that get configured in *_mach_init() as outputs (using direct operations on GPCR/GPDR registers), but otherwise unused. These GPIOs are mainly sound related and should be configured by corresponding driver once it is written. Drop this initialisation and configure all GPIOs as input. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5816/1: SA1100: h3600: remove IRQ_GPIO_* definitionsDmitry Artamonow
As all the remaining users of these definitions (in pcmcia/sa1100_h3600 driver) were converted to gpio_to_irq(), they can be safely removed. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5815/1: SA1100: h3100/h3600: remove now unused assign_h3600_egpio handlersDmitry Artamonow
As all users of assign_h3600_egpio now converted to gpiolib, we can safely remove all assign_h3600_egpio handling code and definitions. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5814/1: SA1100: h3100/h3600: convert all users of assign_h3600_egpio to ↵Dmitry Artamonow
gpiolib Use of gpio_request/gpio_free in some callbacks may look ugly, but corresponding drivers (sa1100_serial and sa1100_fb) don't provide (yet) init/exit hooks and registering these gpios in *_mach_init is also not possible, because htc-gpio driver starts a bit later... Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5813/1: SA1100: h3100/h3600: add htc-egpio driverDmitry Artamonow
It will be used for future conversion of assign_h3600_egpio calls to gpiolib. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5812/1: SA1100: h3100/h3600: separate machine-specific LCD helpersDmitry Artamonow
h3100 and h3600 have different sets of LCD-controlling gpios, which mapped to the same "abstracted" EGPIO. As we plan to get rid of those abstracted egpios completely, we need to separate these helper functions. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5799/1: SA1100: h3600: stop setting direction for LCD pinsDmitry Artamonow
sa1100_fb driver handles this Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5798/1: SA1100: h3600: remove unused cruft from h3600.hDmitry Artamonow
PM_SUSPEND, PM_RESUME and machine_is_h3xxx() are not used anywhere in kernel (checked with git grep), so it's safe to remove them. Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5796/1: SA1100: h3600: remove IRDA bits from serial PM callbackDmitry Artamonow
IRDA is handled by separate sa1100-ir driver and has nothing to do with sa1100_serial Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5797/1: SA1100: h3100/h3600: remove dead links from Kconfig help textDmitry Artamonow
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: 5795/1: SA1100: h3100/h3600: mark *_mach_init functions as __initDmitry Artamonow
Signed-off-by: Dmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: iPAQ: no need to set PWER_RTCRussell King
The rtc-sa1100 driver takes care of this. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: iPAQ: move serial port support functionsRussell King
No point calling sa1100_register_uart_fns early - these aren't used until late in the boot sequence. Also convert to gpiolib support. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: iPAQ: convert H3100 IrDA to use generic gpio supportRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2009-12-06ARM: iPAQ: provide a way to setup platform-controlled GPIOsRussell King
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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