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2011-04-17Merge branch 's5p-fixes-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung * 's5p-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung: ARM: SAMSUNG: Fix warning 's3c_pm_show_resume_irqs' defined but not used ARM: SAMSUNG: Fix build failure in PM CRC check code ARM: S5P: Remove unused s3c_pm_check_resume_pin
2011-04-17alpha: Fix uninitialized value in read_persistent_clock.Richard Henderson
Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-04-17alpha: Fix RTC interrupt setup.Richard Henderson
Following commit 091738a266fc ("genirq: Remove real old transition functions") we removed an automatic conversion of no_irq_chip to dummy_irq_chip. This change needs to be propagated back into the alpha backend. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-04-17alpha: Remove set but unused variables.Richard Henderson
This is a new warning in gcc 4.6. Several of these variables are used within #if 0 code, which probably ought to be removed. Most of the changes are legitimate cleanups. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-04-17alpha: Don't force -Werror.Richard Henderson
There are outstanding gcc 4.6 warnings that need to be cleaned up in the subdirectory. No sense forcing the issue immediately. Signed-off-by: Richard Henderson <rth@twiddle.net> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-04-16Merge branch 'usb-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6 * 'usb-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (43 commits) Revert "USB: isp1760-hcd: move imask clear after pending work is done" xHCI: Implement AMD PLL quirk xhci: Tell USB core both roothubs lost power. usbcore: Bug fix: system can't suspend with USB3.0 device connected to USB3.0 hub USB: Fix unplug of device with active streams USB: xhci - also free streams when resetting devices xhci: Fix NULL pointer deref in handle_port_status() USB: xhci - fix math in xhci_get_endpoint_interval() USB: xhci: simplify logic of skipping missed isoc TDs USB: xhci - remove excessive 'inline' markings USB: xhci: unsigned char never equals -1 USB: xhci - fix unsafe macro definitions USB: fix formatting of SuperSpeed endpoints in /proc/bus/usb/devices USB: isp1760-hcd: move imask clear after pending work is done USB: fsl_qe_udc: send ZLP when zero flag and length % maxpacket == 0 usb: qcserial add missing errorpath kfrees usb: qcserial avoid pointing to freed memory usb: Fix qcserial memory leak on rmmod USB: ftdi_sio: add ids for Hameg HO720 and HO730 USB: option: Added support for Samsung GT-B3730/GT-B3710 LTE USB modem. ...
2011-04-16Merge branches 'core-fixes-for-linus', 'perf-fixes-for-linus', ↵Linus Torvalds
'sched-fixes-for-linus', 'timer-fixes-for-linus' and 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: futex: Set FLAGS_HAS_TIMEOUT during futex_wait restart setup * 'perf-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: perf_event: Fix cgrp event scheduling bug in perf_enable_on_exec() perf: Fix a build error with some GCC versions * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: Fix erroneous all_pinned logic sched: Fix sched-domain avg_load calculation * 'timer-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: RTC: rtc-mrst: follow on to the change of rtc_device_register() RTC: add missing "return 0" in new alarm func for rtc-bfin.c RTC: Fix s3c compile error due to missing s3c_rtc_setpie RTC: Fix early irqs caused by calling rtc_set_alarm too early * 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: x86, amd: Disable GartTlbWlkErr when BIOS forgets it x86, NUMA: Fix fakenuma boot failure x86/mrst: Fix boot crash caused by incorrect pin to irq mapping x86/ce4100: Add reg property to bridges
2011-04-15Merge branch 'for-linus' of git://android.git.kernel.org/kernel/tegraLinus Torvalds
* 'for-linus' of git://android.git.kernel.org/kernel/tegra: arm: tegra: fix error check in tegra2_clocks.c ARM: tegra: gpio: Fix unused variable warnings
2011-04-15Merge branch 'fixes' of master.kernel.org:/home/rmk/linux-2.6-armLinus Torvalds
* 'fixes' of master.kernel.org:/home/rmk/linux-2.6-arm: ARM: 6879/1: fix personality test wrt usage of domain handlers ARM: 6878/1: fix personality flag propagation across an exec ARM: 6877/1: the ADDR_NO_RANDOMIZE personality flag should be honored with mmap() ARM: 6876/1: Kconfig.debug: Remove unused CONFIG_DEBUG_ERRORS ARM: pxa: convert incorrect IRQ_TO_IRQ() to irq_to_gpio() ARM: mmp: align NR_BUILTIN_GPIO with gpio interrupt number ARM: pxa: align NR_BUILTIN_GPIO with GPIO interrupt number ARM: pxa: always clear LPM bits for PXA168 MFPR pcmcia: limit pxa2xx_trizeps4 subdriver to trizeps4 platform pcmcia: limit pxa2xx_balloon3 subdriver to balloon3 platform ARM: pxafb: Fix access to nonexistent member of pxafb_info ARM: 6872/1: arch:common:Makefile Remove unused config in the Makefile. ARM: 6868/1: Preserve the VFP state during fork ARM: 6867/1: Introduce THREAD_NOTIFY_COPY for copy_thread() hooks ARM: 6866/1: Do not restrict HIGHPTE to !OUTER_CACHE ARM: 6865/1: perf: ensure pass through zero is counted on overflow ARM: 6864/1: hw_breakpoint: clear DBGVCR out of reset ARM: Only allow PM_SLEEP with CPUs which support suspend ARM: Make consolidated PM sleep code depend on PM_SLEEP
2011-04-15x86, amd: Disable GartTlbWlkErr when BIOS forgets itJoerg Roedel
This patch disables GartTlbWlk errors on AMD Fam10h CPUs if the BIOS forgets to do is (or is just too old). Letting these errors enabled can cause a sync-flood on the CPU causing a reboot. The AMD BKDG recommends disabling GART TLB Wlk Error completely. This patch is the fix for https://bugzilla.kernel.org/show_bug.cgi?id=33012 on my machine. Signed-off-by: Joerg Roedel <joerg.roedel@amd.com> Link: http://lkml.kernel.org/r/20110415131152.GJ18463@8bytes.org Tested-by: Alexandre Demers <alexandre.f.demers@gmail.com> Cc: <stable@kernel.org> Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2011-04-15x86, NUMA: Fix fakenuma boot failureKOSAKI Motohiro
Currently, numa=fake boot parameter is broken. If it's used, kernel may panic due to devide by zero error depending on CPU configuration Call Trace: [<ffffffff8104ad4c>] find_busiest_group+0x38c/0xd30 [<ffffffff81086aff>] ? local_clock+0x6f/0x80 [<ffffffff81050533>] load_balance+0xa3/0x600 [<ffffffff81050f53>] idle_balance+0xf3/0x180 [<ffffffff81550092>] schedule+0x722/0x7d0 [<ffffffff81550538>] ? wait_for_common+0x128/0x190 [<ffffffff81550a65>] schedule_timeout+0x265/0x320 [<ffffffff81095815>] ? lock_release_holdtime+0x35/0x1a0 [<ffffffff81550538>] ? wait_for_common+0x128/0x190 [<ffffffff8109bb6c>] ? __lock_release+0x9c/0x1d0 [<ffffffff815534e0>] ? _raw_spin_unlock_irq+0x30/0x40 [<ffffffff815534e0>] ? _raw_spin_unlock_irq+0x30/0x40 [<ffffffff81550540>] wait_for_common+0x130/0x190 [<ffffffff81051920>] ? try_to_wake_up+0x510/0x510 [<ffffffff8155067d>] wait_for_completion+0x1d/0x20 [<ffffffff8107f36c>] kthread_create_on_node+0xac/0x150 [<ffffffff81077bb0>] ? process_scheduled_works+0x40/0x40 [<ffffffff8155045f>] ? wait_for_common+0x4f/0x190 [<ffffffff8107a283>] __alloc_workqueue_key+0x1a3/0x590 [<ffffffff81e0cce2>] cpuset_init_smp+0x6b/0x7b [<ffffffff81df3d07>] kernel_init+0xc3/0x182 [<ffffffff8155d5e4>] kernel_thread_helper+0x4/0x10 [<ffffffff81553cd4>] ? retint_restore_args+0x13/0x13 [<ffffffff81df3c44>] ? start_kernel+0x400/0x400 [<ffffffff8155d5e0>] ? gs_change+0x13/0x13 The divede by zero is caused by the following line, group->cpu_power==0: kernel/sched_fair.c::update_sg_lb_stats() /* Adjust by relative CPU power of the group */ sgs->avg_load = (sgs->group_load * SCHED_LOAD_SCALE) / group->cpu_power; This regression was caused by commit e23bba6044 ("x86-64, NUMA: Unify emulated distance mapping") because it changes cpu -> node mapping in the process of dropping fake_physnodes(). old) all cpus are assinged node 0 now) cpus are assigned round robin (the logic is implemented by numa_init_array()) Note: The change in behavior only happens if the system doesn't have neither ACPI SRAT table nor AMD northbridge NUMA information. Round robin assignment doesn't work because init_numa_sched_groups_power() assumes all logical cpus in the same physical cpu share the same node (then it only accounts for group_first_cpu()), and the simple round robin breaks the above assumption. Thus, this patch implements a reassignment of node-ids if buggy firmware or numa emulation makes wrong cpu node map. Tt enforce all logical cpus in the same physical cpu share the same node. Signed-off-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Tejun Heo <tj@kernel.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Brian Gerst <brgerst@gmail.com> Cc: Cyrill Gorcunov <gorcunov@gmail.com> Cc: Shaohui Zheng <shaohui.zheng@intel.com> Cc: David Rientjes <rientjes@google.com> Cc: H. Peter Anvin <hpa@linux.intel.com> Link: http://lkml.kernel.org/r/20110415203928.1303.A69D9226@jp.fujitsu.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-04-14Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vapier/blackfin: Blackfin: SMP: fix cache flush loop Blackfin: time-ts: ack gptimer sooner to avoid missing short ints Blackfin: gptimers: fix thinko when disabling timers Blackfin: SMP: make all barriers handle cache issues
2011-04-14um: disable CONFIG_CMPXCHG_LOCALRichard Weinberger
Commit 8a5ec0ba "Lockless (and preemptless) fastpaths for slub" makes use of this_cpu_cmpxchg_double() which needs this_cpu_cmpxchg16b_emu() on x86_64. Implementing cmpxchg16b emulation for UML would introduce too much complexity. So just disable it. Signed-off-by: Richard Weinberger <richard@nod.at> Reported-by: Sergei Trofimovich <slyich@gmail.com> Acked-by: Pekka Enberg <penberg@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-04-14um: fix call tracer and bug handlerRichard Weinberger
Commit 1de1502c ("x86, um: now we can get rid of trivial uml headers") removed accidentally bug.h which broke UML's call tracer and bug handler. Without asm-generic/bug.h UML uses BUG() from arch/x86/ which makes use of ud2. UML cannot use ud2, it raises SIGILL in user mode. As UML has a different stack for handling signals the call trace will be cut off. Signed-off-by: Richard Weinberger <richard@nod.at> Reported-by: Sergei Trofimovich <slyich@gmail.com> Tested-by: Sergei Trofimovich <slyich@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-04-14RapidIO/mpc85xx: fix possible mport registration problemsAlexandre Bounine
Fix a possible problem with mport registration left non-cleared after fsl_rio_setup() exits on link error. Abort mport initialization if registration failed. This patch is applicable to 2.6.39-rc1 only. The problem does not exist for earlier versions. Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com> Cc: Kumar Gala <galak@kernel.crashing.org> Cc: Matt Porter <mporter@kernel.crashing.org> Cc: Li Yang <leoli@freescale.com> Cc: Thomas Moll <thomas.moll@sysgo.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-04-14ARM: 6879/1: fix personality test wrt usage of domain handlersNicolas Pitre
There are optional bits that may complement a personality ID. It is therefore wrong to simply test against the absolute current->personality value to determine the effective personality. The PER_LINUX_32BIT is itself just PER_LINUX with one of those optional bits set. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-04-14ARM: 6878/1: fix personality flag propagation across an execNicolas Pitre
Our SET_PERSONALITY() implementation was overwriting all existing personality flags, including ADDR_NO_RANDOMIZE, making them unavailable to processes being exec'd after a call to personality() in user space. This prevents the gdb test suite from running successfully. Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-04-14ARM: 6877/1: the ADDR_NO_RANDOMIZE personality flag should be honored with ↵Nicolas Pitre
mmap() Signed-off-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-04-14ARM: 6876/1: Kconfig.debug: Remove unused CONFIG_DEBUG_ERRORSStephen Boyd
This config option isn't actually used anywhere and can be safely removed. The last user was traps.c before commit 082f47a ([ARM] always allow dump_stack() to produce a backtrace, 2007-07-05). Reviewed-by: Jesper Juhl <jj@chaosbits.net> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-04-14ARM: SAMSUNG: Fix warning 's3c_pm_show_resume_irqs' defined but not usedMaurus Cuelenaere
s3c_pm_show_resume_irqs() is used by some s3c_pm_arch_show_resume_irqs() implementations, which get included through mach/pm-core.h. Add __maybe_unused to silence warnings when it isn't used (e.g. on S3C64XX platforms). Signed-off-by: Maurus Cuelenaere <mcuelenaere@gmail.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-04-14ARM: SAMSUNG: Fix build failure in PM CRC check codeAbhilash Kesavan
This patch fixes build error that occurs on enabling the Samsung specific PM CRC check code. Missed removing this reference of s3c_sleep_save_phys during move to generic cpu suspend/resume support. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-04-14ARM: S5P: Remove unused s3c_pm_check_resume_pinAbhilash Kesavan
The s3c_pm_check_resume_pin() is not being used and can be safely removed to fix the build warning. Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2011-04-13Blackfin: SMP: fix cache flush loopSonic Zhang
The recent commit (10774912647781) wasn't entirely correct. While it fixed some issues, it introduced others. So pull in the fixes from the public cache flush functions, and document why we need to call things directly ourselves. Signed-off-by: Sonic Zhang <sonic.zhang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-04-13Blackfin: time-ts: ack gptimer sooner to avoid missing short intsMike Frysinger
If the period of a gptimer is fairly low, we might miss an interrupt by acking it too late (we end up acking the new int as well). Reported-by: Isabelle Leonardi <i.leonardi@detracom.fr> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-04-13Blackfin: gptimers: fix thinko when disabling timersMike Frysinger
We only want to clear the run bit for this one timer, not all status bits. So don't read the whole reg and then write all the bits back out. Reported-by: Isabelle Leonardi <i.leonardi@detracom.fr> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-04-13Blackfin: SMP: make all barriers handle cache issuesGraf Yang
When suspending/resuming, the common task freezing code will run in parallel and freeze processes on each core. This is because the code uses the non-smp version of memory barriers (as well it should). The Blackfin smp barrier logic at the moment contains the cache sync logic, but the non-smp barriers do not. This is incorrect as Rafel summarized: > ... > The existing memory barriers are SMP barriers too, but they are more > than _just_ SMP barriers. At least that's how it is _supposed_ to be > (eg. rmb() is supposed to be stronger than smp_rmb()). > ... > However, looking at the blackfin's definitions of SMP barriers I see > that it uses extra stuff that should _also_ be used in the definitions > of the mandatory barriers. > ... URL: http://lkml.org/lkml/2011/4/13/11 LKML-Reference: <BANLkTi=F-C-vwX4PGGfbkdTBw3OWL-twfg@mail.gmail.com> Signed-off-by: Graf Yang <graf.yang@analog.com> Signed-off-by: Mike Frysinger <vapier@gentoo.org>
2011-04-13usb: Fix Kconfig unmet dependencies for Microblaze EHCIMichal Simek
Disable USB_ARCH_HAS_EHCI in arch Kconfig and enable it in usb Kconfig Warning log: warning: (MICROBLAZE) selects USB_ARCH_HAS_EHCI which has unmet direct dependencies (USB_SUPPORT) Signed-off-by: Michal Simek <monstr@monstr.eu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-04-13Merge branch 'fix' of ↵Russell King
git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6 into fixes
2011-04-13Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/avr32-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/egtvedt/avr32-2.6: avr32: add ATAG_BOARDINFO don't check platform_get_irq's return value against zero avr32: init cannot ignore signals sent by force_sig_info() avr32: fix deadlock when reading clock list in debugfs avr32: Fix .size directive for cpu_enter_idle avr32: At32ap: pio fix typo "))" on gpio_irq_unmask prototype fix the wrong argument of the functions definition
2011-04-13avr32: add ATAG_BOARDINFOAndreas Bießmann
The ATAG_BOARDINFO is intended to hand over the information bd->bi_board_number from u-boot to the kernel. This piece of information can be used to implement some kind of board identification while booting the kernel. Therefore it is placed in .initdata section and can be accessed via the new symbol board_number only while initializing the kernel. Signed-off-by: Andreas Bießmann <biessmann@corscience.de> Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-04-13don't check platform_get_irq's return value against zeroUwe Kleine-König
platform_get_irq returns -ENXIO on failure, so !int_irq was probably always true. Better use (int)int_irq <= 0. Note that a return value of zero is still handled as error even though this could mean irq0. This is a followup to 305b3228f9ff4d59f49e6d34a7034d44ee8ce2f0 that changed the return value of platform_get_irq from 0 to -ENXIO on error. Acked-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-04-13avr32: init cannot ignore signals sent by force_sig_info()Matt Fleming
We can delete the code that checks to see if we're sending an ignored signal to init because force_sig_info() already handles this case. force_sig_info() will kill init even if the signal handler is SIG_DFL and the scenario described in the comment where init might "generate the same exception over and over again" cannot occur (force_sig_info() clears SIGNAL_UNKILLABLE to ensure that init will die). Also, the use of is_global_init() is not correct in the multhreaded case, as Oleg Nesterov explains, "is_global_init() is not right in theory, /sbin/init can be multithreaded. And, this doesn't cover the sub-namespace inits... I'd suggest to check SIGNAL_UNKILLABLE, but looking closer I think you can simply remove this code." It seems this code was copied from arch/powerpc in March 2007 in commit 623b0355d5b1 "[AVR32] Clean up exception handling code" but the code was deleted from arch/powerpc in November 2009 in commit a0592d42fe3e "powerpc: kill the obsolete code under is_global_init()" So catch up with powerpc and delete the bogus code. Signed-off-by: Matt Fleming <matt.fleming@linux.intel.com> Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-04-13avr32: fix deadlock when reading clock list in debugfsOle Henrik Jahren
When writing out /sys/kernel/debug/at32ap_clk, clock list lock is being held while clk_get() is called. clk_get() attempts to take the same lock, which results in deadlock. Introduce and call lock free version, __clk_get(), instead. Signed-off-by: Ole Henrik Jahren <olehenja@alumni.ntnu.no> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-04-13avr32: Fix .size directive for cpu_enter_idleBen Hutchings
gas used to accept (and ignore?) .size directives which referred to undefined symbols, as this does. In binutils 2.21 these are treated as errors. Signed-off-by: Ben Hutchings <ben@decadent.org.uk> Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-04-13avr32: At32ap: pio fix typo "))" on gpio_irq_unmask prototypeJean-Christophe PLAGNIOL-VILLARD
introduce in commit d75f1bfdbccb Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Cc: Nicolas Ferre <nicolas.ferre@atmel.com> Cc: Patrice Vilchez <patrice.vilchez@atmel.com> Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-04-13fix the wrong argument of the functions definitionWanlong Gao
The functions of eic_chip's memebers use the wrong argument . Signed-off-by: Wanlong Gao <wanlong.gao@gmail.com> Signed-off-by: Hans-Christian Egtvedt <hans-christian.egtvedt@atmel.com>
2011-04-12m68k,m68knommu: Wire up name_to_handle_at, open_by_handle_at, clock_adjtime, ↵Geert Uytterhoeven
syncfs Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Acked-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2011-04-13ARM: pxa: convert incorrect IRQ_TO_IRQ() to irq_to_gpio()Eric Miao
This fixes the failure to register the IRQ_RTCAlrm alarm as a wakeup event. It is misinterpreted as a gpio irq not a PWER bitmask. Fixed this by converting the incorrect IRQ_TO_IRQ() to a correct version of irq_to_gpio(). Reported-by: Nick Bane <nickbane1@gmail.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
2011-04-12Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/suspend-2.6: fix XEN_SAVE_RESTORE Kconfig dependencies PM / Hibernate: Introduce CONFIG_HIBERNATE_CALLBACKS
2011-04-12ARM: mmp: align NR_BUILTIN_GPIO with gpio interrupt numberHaojian Zhuang
Avoid to mismatch between NR_BUILTIN_GPIO and gpio interrupt number. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
2011-04-12ARM: pxa: align NR_BUILTIN_GPIO with GPIO interrupt numberHaojian Zhuang
Avoid to mismatch between NR_BUILTIN_GPIO and GPIO interrupt number Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
2011-04-12ARM: pxa: always clear LPM bits for PXA168 MFPRHaojian Zhuang
Bit[9:7] should always be zero in PXA168. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com> Signed-off-by: Eric Miao <eric.y.miao@gmail.com>
2011-04-12x86/mrst: Fix boot crash caused by incorrect pin to irq mappingJacob Pan
Moorestown systems crash on boot because the secondary CPU clockevent (apbt1) will fail to request irq#1, which does not have ioapic chip in its irq_desc[] entry. Background: Moorestown platform does not have ISA bus nor legacy IRQs. It reuses the range of legacy IRQs for regular device interrupts. The routing information of early system device IRQs (timers) are obtained from firmware provided SFI tables. We reuse/fake MP configuration table to facilitate IRQ setup with IOAPIC. Maintaining a 1:1 mapping of IOAPIC pin (RTE entry) and IRQ# makes routing information clean and easy to understand on Moorestown. Though optional. This patch allows SFI timer and vRTC IRQ to be treated as ISA IRQ so that pin2irq mapping will be 1:1. Also fixed MP table type and use macros to clearly set MP IRQ entries. As a result, apbt timer and RTC interrupts on Moorestown are within legacy IRQ range: # cat /proc/interrupts CPU0 CPU1 0: 11249 0 IO-APIC-edge apbt0 1: 0 12271 IO-APIC-edge apbt1 8: 887 0 IO-APIC-fasteoi dw_spi 13: 0 0 IO-APIC-fasteoi INTEL_MID_DMAC2 14: 0 0 IO-APIC-fasteoi rtc0 Further discussion of this patch can be found at: https://lkml.org/lkml/2010/6/10/70 Suggested-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Jacob Pan <jacob.jun.pan@linux.intel.com> Cc: Feng Tang <feng.tang@intel.com> Cc: Alan Cox <alan@linux.intel.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Link: http://lkml.kernel.org/r/1302286980-21139-1-git-send-email-jacob.jun.pan@linux.intel.com Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-04-11Merge branch 'stable/bug-fixes-rc2' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen * 'stable/bug-fixes-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: xen: Allow PV-OPS kernel to detect whether XSAVE is supported xen: just completely disable XSAVE xen/debug: Don't be so verbose with WARN on 1-1 mapping errors. xen: events: fix error checks in bind_*_to_irqhandler()
2011-04-11fix XEN_SAVE_RESTORE Kconfig dependenciesShriram Rajagopalan
Make XEN_SAVE_RESTORE select HIBERNATE_CALLBACKS. Remove XEN_SAVE_RESTORE dependency from PM_SLEEP. Signed-off-by: Shriram Rajagopalan <rshriram@cs.ubc.ca> Acked-by: Ian Campbell <ian.campbell@citrix.com> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2011-04-11PM / Hibernate: Introduce CONFIG_HIBERNATE_CALLBACKSRafael J. Wysocki
Xen save/restore is going to use hibernate device callbacks for quiescing devices and putting them back to normal operations and it would need to select CONFIG_HIBERNATION for this purpose. However, that also would cause the hibernate interfaces for user space to be enabled, which might confuse user space, because the Xen kernels don't support hibernation. Moreover, it would be wasteful, as it would make the Xen kernels include a substantial amount of code that they would never use. To address this issue introduce new power management Kconfig option CONFIG_HIBERNATE_CALLBACKS, such that it will only select the code that is necessary for the hibernate device callbacks to work and make CONFIG_HIBERNATION select it. Then, Xen save/restore will be able to select CONFIG_HIBERNATE_CALLBACKS without dragging the entire hibernate code along with it. Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Tested-by: Shriram Rajagopalan <rshriram@cs.ubc.ca>
2011-04-11x86/ce4100: Add reg property to bridgesSebastian Andrzej Siewior
without the reg property Ben's new code won't find the PCI & ISA bridge and the devices won't get the DT-node attached. Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Acked-by: Thomas Gleixner <tglx@linutronix.de> Cc: davem@davemloft.net Cc: monstr@monstr.eu Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Link: http://lkml.kernel.org/r/20110407121315.GA9204@linutronix.de Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-04-10ARM: 6872/1: arch:common:Makefile Remove unused config in the Makefile.Justin P. Mattock
The patch below removes an unused config variable found by using a kernel cleanup script. Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Acked-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-04-10ARM: 6868/1: Preserve the VFP state during forkCatalin Marinas
VFP registers d16-d31 are callee saved registers and must be preserved during function calls, including fork(). The VFP configuration should also be preserved. The patch copies the full VFP state to the child process. Reported-by: Paul Wright <paul.wright@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2011-04-10ARM: 6867/1: Introduce THREAD_NOTIFY_COPY for copy_thread() hooksCatalin Marinas
This patch adds THREAD_NOTIFY_COPY for calling registered handlers during the copy_thread() function call. It also changes the VFP handler to use a switch statement rather than if..else and ignore this event. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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