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2013-11-27Merge branch 'acpica'Rafael J. Wysocki11-47/+79
* acpica: ACPI: Clean up incorrect inclusions of ACPICA headers ACPICA: Update version to 20131115. ACPICA: Add support to delete all objects attached to the root namespace node. ACPICA: Delete all attached data objects during namespace node deletion. ACPICA: Resources: Fix loop termination for the get AML length function. ACPICA: Tests: Add CHECKSUM_ABORT protection for test utilities. ACPICA: Debug output: Do not emit function nesting level for kernel build.
2013-11-26Merge tag 'fixes-for-linus' of ↵Linus Torvalds22-192/+379
git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM SoC fixes from Olof Johansson: "Mostly bugfixes and a few small code removals. Worth pointing out is: - A handful of more fixes to get DT enablement working properly on OMAP, finding new breakage of things that don't work quite right yet without the traditional board files. I expect a bit more of this to come in this release as people test on their hardware. - Implementation of power_down_finish() on vexpress, to make kexec work and to stop the MCPM core to produce a warning (the warning was new to 3.13-rc1). - A handful of minor fixes for various platforms" * tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: bcm2835: add missing #xxx-cells to I2C nodes ARM: dts: Add max77686 RTC interrupt to cros5250-common ARM: vexpress/TC2: Implement MCPM power_down_finish() ARM: tegra: Provide dummy powergate implementation ARM: omap: fix warning with LPAE build ARM: OMAP2+: Remove legacy omap4_twl6030_hsmmc_init ARM: OMAP2+: Remove legacy mux code for display.c ARM: OMAP2+: Fix undefined reference to set_cntfreq gpio: twl4030: Fix passing of pdata in the device tree case gpio: twl4030: Fix regression for twl gpio output ARM: OMAP2+: More randconfig fixes for reconfigure_io_chain ARM: dts: imx6qdl: disable spdif "rxtx5" clock option ARM: dts: Fix omap2 specific dtsi files by adding the missing entries ARM: OMAP2+: Fix GPMC and simplify bootloader timings for 8250 and smc91x i2c: omap: Fix missing device tree flags for omap2
2013-11-26Merge branch 'for-linus' of ↵Linus Torvalds6-18/+47
git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security Pull IMA fixes from James Morris: "These three patches fix regressions in the IMA code in your current tree. The first fixes a couple of bugs in template_desc_init_fields(), and the other two ensure that changes in this kernel don't break userspace" * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: ima: make a copy of template_fmt in template_desc_init_fields() ima: do not send field length to userspace for digest of ima template ima: do not include field length in template digest calc for ima template
2013-11-26Merge tag 'ntb-3.13' of git://github.com/jonmason/ntbLinus Torvalds4-65/+156
Pull non-transparent bridge updates from Jon Mason: "NTB driver bug fixes to address a missed call to pci_enable_msix, NTB-RP Link Up issue, Xeon Doorbell errata workaround, ntb_transport link down race, and correct dmaengine_get/put usage. Also, clean-ups to remove duplicate defines and document a hardware errata. Finally, some changes to improve performance" * tag 'ntb-3.13' of git://github.com/jonmason/ntb: NTB: Disable interrupts and poll under high load NTB: Enable Snoop on Primary Side NTB: Document HW errata NTB: remove duplicate defines NTB: correct dmaengine_get/put usage NTB: Fix ntb_transport link down race ntb: Fix missed call to pci_enable_msix() NTB: Fix NTB-RP Link Up NTB: Xeon Doorbell errata workaround
2013-11-26xen/gnttab: leave lazy MMU mode in the case of a m2p override failureMatt Wilson1-2/+4
Commit f62805f1 introduced a bug where lazy MMU mode isn't exited if a m2p_add/remove_override call fails. Acked-by: Stefano Stabellini <[email protected]> Cc: Boris Ostrovsky <[email protected]> Reviewed-by: David Vrabel <[email protected]> Reviewed-by: Anthony Liguori <[email protected]> Cc: [email protected] Cc: [email protected] Signed-off-by: Matt Wilson <[email protected]> Signed-off-by: Konrad Rzeszutek Wilk <[email protected]> CC: [email protected]
2013-11-26Merge branch 'fix/firewire' into for-linusTakashi Iwai1-9/+6
2013-11-26ftrace: Fix function graph with loading of modulesSteven Rostedt (Red Hat)1-29/+35
Commit 8c4f3c3fa9681 "ftrace: Check module functions being traced on reload" fixed module loading and unloading with respect to function tracing, but it missed the function graph tracer. If you perform the following # cd /sys/kernel/debug/tracing # echo function_graph > current_tracer # modprobe nfsd # echo nop > current_tracer You'll get the following oops message: ------------[ cut here ]------------ WARNING: CPU: 2 PID: 2910 at /linux.git/kernel/trace/ftrace.c:1640 __ftrace_hash_rec_update.part.35+0x168/0x1b9() Modules linked in: nfsd exportfs nfs_acl lockd ipt_MASQUERADE sunrpc ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter ip6_tables uinput snd_hda_codec_idt CPU: 2 PID: 2910 Comm: bash Not tainted 3.13.0-rc1-test #7 Hardware name: To Be Filled By O.E.M. To Be Filled By O.E.M./To be filled by O.E.M., BIOS SDBLI944.86P 05/08/2007 0000000000000668 ffff8800787efcf8 ffffffff814fe193 ffff88007d500000 0000000000000000 ffff8800787efd38 ffffffff8103b80a 0000000000000668 ffffffff810b2b9a ffffffff81a48370 0000000000000001 ffff880037aea000 Call Trace: [<ffffffff814fe193>] dump_stack+0x4f/0x7c [<ffffffff8103b80a>] warn_slowpath_common+0x81/0x9b [<ffffffff810b2b9a>] ? __ftrace_hash_rec_update.part.35+0x168/0x1b9 [<ffffffff8103b83e>] warn_slowpath_null+0x1a/0x1c [<ffffffff810b2b9a>] __ftrace_hash_rec_update.part.35+0x168/0x1b9 [<ffffffff81502f89>] ? __mutex_lock_slowpath+0x364/0x364 [<ffffffff810b2cc2>] ftrace_shutdown+0xd7/0x12b [<ffffffff810b47f0>] unregister_ftrace_graph+0x49/0x78 [<ffffffff810c4b30>] graph_trace_reset+0xe/0x10 [<ffffffff810bf393>] tracing_set_tracer+0xa7/0x26a [<ffffffff810bf5e1>] tracing_set_trace_write+0x8b/0xbd [<ffffffff810c501c>] ? ftrace_return_to_handler+0xb2/0xde [<ffffffff811240a8>] ? __sb_end_write+0x5e/0x5e [<ffffffff81122aed>] vfs_write+0xab/0xf6 [<ffffffff8150a185>] ftrace_graph_caller+0x85/0x85 [<ffffffff81122dbd>] SyS_write+0x59/0x82 [<ffffffff8150a185>] ftrace_graph_caller+0x85/0x85 [<ffffffff8150a2d2>] system_call_fastpath+0x16/0x1b ---[ end trace 940358030751eafb ]--- The above mentioned commit didn't go far enough. Well, it covered the function tracer by adding checks in __register_ftrace_function(). The problem is that the function graph tracer circumvents that (for a slight efficiency gain when function graph trace is running with a function tracer. The gain was not worth this). The problem came with ftrace_startup() which should always be called after __register_ftrace_function(), if you want this bug to be completely fixed. Anyway, this solution moves __register_ftrace_function() inside of ftrace_startup() and removes the need to call them both. Reported-by: Dave Wysochanski <[email protected]> Fixes: ed926f9b35cd ("ftrace: Use counters to enable functions to trace") Cc: [email protected] # 3.0+ Signed-off-by: Steven Rostedt <[email protected]>
2013-11-26tracing: Allow events to have NULL stringsSteven Rostedt (Red Hat)1-2/+3
If an TRACE_EVENT() uses __assign_str() or __get_str on a NULL pointer then the following oops will happen: BUG: unable to handle kernel NULL pointer dereference at (null) IP: [<c127a17b>] strlen+0x10/0x1a *pde = 00000000 ^M Oops: 0000 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.13.0-rc1-test+ #2 Hardware name: /DG965MQ, BIOS MQ96510J.86A.0372.2006.0605.1717 06/05/2006^M task: f5cde9f0 ti: f5e5e000 task.ti: f5e5e000 EIP: 0060:[<c127a17b>] EFLAGS: 00210046 CPU: 1 EIP is at strlen+0x10/0x1a EAX: 00000000 EBX: c2472da8 ECX: ffffffff EDX: c2472da8 ESI: c1c5e5fc EDI: 00000000 EBP: f5e5fe84 ESP: f5e5fe80 DS: 007b ES: 007b FS: 00d8 GS: 00e0 SS: 0068 CR0: 8005003b CR2: 00000000 CR3: 01f32000 CR4: 000007d0 Stack: f5f18b90 f5e5feb8 c10687a8 0759004f 00000005 00000005 00000005 00200046 00000002 00000000 c1082a93 f56c7e28 c2472da8 c1082a93 f5e5fee4 c106bc61^M 00000000 c1082a93 00000000 00000000 00000001 00200046 00200082 00000000 Call Trace: [<c10687a8>] ftrace_raw_event_lock+0x39/0xc0 [<c1082a93>] ? ktime_get+0x29/0x69 [<c1082a93>] ? ktime_get+0x29/0x69 [<c106bc61>] lock_release+0x57/0x1a5 [<c1082a93>] ? ktime_get+0x29/0x69 [<c10824dd>] read_seqcount_begin.constprop.7+0x4d/0x75 [<c1082a93>] ? ktime_get+0x29/0x69^M [<c1082a93>] ktime_get+0x29/0x69 [<c108a46a>] __tick_nohz_idle_enter+0x1e/0x426 [<c10690e8>] ? lock_release_holdtime.part.19+0x48/0x4d [<c10bc184>] ? time_hardirqs_off+0xe/0x28 [<c1068c82>] ? trace_hardirqs_off_caller+0x3f/0xaf [<c108a8cb>] tick_nohz_idle_enter+0x59/0x62 [<c1079242>] cpu_startup_entry+0x64/0x192 [<c102299c>] start_secondary+0x277/0x27c Code: 90 89 c6 89 d0 88 c4 ac 38 e0 74 09 84 c0 75 f7 be 01 00 00 00 89 f0 48 5e 5d c3 55 89 e5 57 66 66 66 66 90 83 c9 ff 89 c7 31 c0 <f2> ae f7 d1 8d 41 ff 5f 5d c3 55 89 e5 57 66 66 66 66 90 31 ff EIP: [<c127a17b>] strlen+0x10/0x1a SS:ESP 0068:f5e5fe80 CR2: 0000000000000000 ---[ end trace 01bc47bf519ec1b2 ]--- New tracepoints have been added that have allowed for NULL pointers being assigned to strings. To fix this, change the TRACE_EVENT() code to check for NULL and if it is, it will assign "(null)" to it instead (similar to what glibc printf does). Reported-by: Shuah Khan <[email protected]> Reported-by: Jovi Zhangwei <[email protected]> Link: http://lkml.kernel.org/r/CAGdX0WFeEuy+DtpsJzyzn0343qEEjLX97+o1VREFkUEhndC+5Q@mail.gmail.com Link: http://lkml.kernel.org/r/[email protected] Fixes: 9cbf117662e2 ("tracing/events: provide string with undefined size support") Cc: [email protected] # 2.6.31+ Signed-off-by: Steven Rostedt <[email protected]>
2013-11-26can: flexcan: use correct clock as base for bit rate calculationMarc Kleine-Budde1-1/+1
The flexcan IP core uses the peripheral clock ("per") as basic clock for the bit timing calculation. However the driver uses the the wrong clock ("ipg"). This leads to wrong bit rates if the rates on both clock are different. This patch fixes the problem by using the correct clock for the bit rate calculation. Cc: linux-stable <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
2013-11-26i2c: i2c-bcm-kona: Fix module buildTim Kryger1-1/+1
Correct a typo that prevented the driver from being built as a module. Reported-by: Guenter Roeck <[email protected]> Signed-off-by: Tim Kryger <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2013-11-26i2c: i2c-diolan-u2c: different usb endpoints for DLN-2-U2CMartin Vogt1-5/+11
The previous diolan adapter uses other out/in endpoints than the current DLN-2-U2C in compatibility mode. They changed from 0x2/0x84 to 0x3/0x83. This patch gets the endpoints from the usb interface, instead of hardcode them in the driver. This was tested on a current DLN-2-U2C board. Signed-off-by: Martin Vogt <[email protected]> Reviewed-by: Guenter Roeck <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2013-11-26i2c: bcm-kona: remove duplicated includeWei Yongjun1-1/+0
Signed-off-by: Wei Yongjun <[email protected]> Reviewed-by: Markus Mayer <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2013-11-26ALSA: hda - Drop bus->avoid_link_reset flagTakashi Iwai3-4/+3
Use bus->power_keep_link_on instead. The controller shouldn't go to D3 when the link isn't reset, so essentially avoiding the link reset means avoiding the runtime PM. Signed-off-by: Takashi Iwai <[email protected]>
2013-11-26ALSA: hda/realtek - Set pcbeep amp for ALC668Kailang Yang1-0/+1
Set the missing pcbeep default amp for ALC668. Signed-off-by: Kailang Yang <[email protected]> Cc: <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2013-11-26ALSA: hda/realtek - Add support of ALC231 codecKailang Yang1-0/+1
It's compatible with ALC269. Signed-off-by: Kailang Yang <[email protected]> Cc: <[email protected]> Signed-off-by: Takashi Iwai <[email protected]>
2013-11-26i2c: davinci: raw read and write endian fixTaras Kondratiuk1-2/+2
I2C IP block expect LE data, but CPU may operate in BE mode. Need to use endian neutral functions to read/write h/w registers. I.e instead of __raw_read[lw] and __raw_write[lw] functions code need to use read[lw]_relaxed and write[lw]_relaxed functions. If the first simply reads/writes register, the second will byteswap it if host operates in BE mode. Changes are trivial sed like replacement of __raw_xxx functions with xxx_relaxed variant. Signed-off-by: Taras Kondratiuk <[email protected]> Reviewed-by: Grygorii Strashko <[email protected]> Signed-off-by: Wolfram Sang <[email protected]>
2013-11-25ARM: bcm2835: add missing #xxx-cells to I2C nodesStephen Warren1-0/+4
The I2C controller node needs #address-cells and #size-cells properties, but these are currently missing. Add them. This allows child nodes to be parsed correctly. Cc: [email protected] Signed-off-by: Stephen Warren <[email protected]> Signed-off-by: Olof Johansson <[email protected]>
2013-11-26sony-laptop: do not scribble keyboard backlight registers on resumeMattia Dongili1-27/+0
Follow-up to commit 294d31e8227c ("sony-laptop: don't change keyboard backlight settings"): avoid messing up the state on resume. Leave it to what was before suspending as it's anyway likely that we still don't know what value we should write to the EC registers. This fix is also required in 3.12 Cc: [email protected] Tested-by: Karol Babioch <[email protected]> Signed-off-by: Mattia Dongili <[email protected]> Signed-off-by: Linus Torvalds <[email protected]>
2013-11-25Revert "n_gsm: race between ld close and gsmtty open"Greg Kroah-Hartman1-27/+10
This reverts commit c284ee2cf12b55fa8496b2d098bf0938688f1c1c. Turns out the locking was incorrect. Reported-by: Fengguang Wu <[email protected]> Cc: Chao Bi <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-26Merge branch 'for-linus' of ↵James Morris6-18/+47
git://git.kernel.org/pub/scm/linux/kernel/git/zohar/linux-integrity into for-linus
2013-11-25Merge tag 'imx-fixes-3.13-2' of ↵Kevin Hilman1-1/+1
git://git.linaro.org/people/shawnguo/linux-2.6 into fixes The imx fixes for 3.13, part 2: - Disable S/PDIF "rxtx5" clock option to fix the clocksource breakage introduced by S/PDIF driver * tag 'imx-fixes-3.13-2' of git://git.linaro.org/people/shawnguo/linux-2.6: ARM: dts: imx6qdl: disable spdif "rxtx5" clock option Signed-off-by: Kevin Hilman <[email protected]> Signed-off-by: Olof Johansson <[email protected]>
2013-11-26ACPI: Clean up incorrect inclusions of ACPICA headersLv Zheng2-2/+0
Header file <acpi/acpi.h> contains environemnt settings and architecture specific implementation that should be included before any other ACPICA headers in order to keep a consistent build environment for ACPICA users. The following internal ACPICA header files should be included from <acpi/acpi.h> and should not be included by other kernel files: <acpi/acpiosxf.h> <acpi/acpixf.h> Clean up incorrect inclusions of these files from non-ACPICA source files. [rjw: Subject and changelog] Signed-off-by: Lv Zheng <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2013-11-25ARM: dts: Add max77686 RTC interrupt to cros5250-commonDoug Anderson1-0/+12
Without the interrupt you'll get problems if you enable CONFIG_RTC_DRV_MAX77686. Setup the interrupt properly in the device tree. Signed-off-by: Doug Anderson <[email protected]> Tested-by: Marc Zyngier <[email protected]> Signed-off-by: Olof Johansson <[email protected]> Cc: [email protected]
2013-11-25ARM: vexpress/TC2: Implement MCPM power_down_finish()Dave Martin3-5/+102
This patch implements the power_down_finish() method for TC2, to enable the kernel to confirm when CPUs are safely powered down. The information required for determining when a CPU is parked cannot be obtained from any single place, so a few sources of information must be combined: * mcpm_cpu_power_down() must be pending for the CPU, so that we don't get confused by false STANDBYWFI positives arising from CPUidle. This is detected by waiting for the tc2_pm use count for the target CPU to reach 0. * Either the SPC must report that the CPU has asserted STANDBYWFI, or the TC2 tile's reset control logic must be holding the CPU in reset. Just checking for STANDBYWFI is not sufficient, because this signal is not latched when the the cluster is clamped off and powered down: the relevant status bits just drop to zero. This means that STANDBYWFI status cannot be used for reliable detection of the last CPU in a cluster reaching WFI. This patch is required in order for kexec to work with MCPM on TC2. MCPM code was changed in commit 0de0d6467525 ('ARM: 7848/1: mcpm: Implement cpu_kill() to synchronise on powerdown'), and since then it will hit a WARN_ON_ONCE() due to power_down_finish not being implemented on the TC2 platform. Signed-off-by: Dave Martin <[email protected]> Acked-by: Pawel Moll <[email protected]> Reviewed-by: Nicolas Pitre <[email protected]> Signed-off-by: Olof Johansson <[email protected]>
2013-11-25tools: cpupower: fix wrong err msg not supported vs not availableThomas Renninger1-2/+2
idlestates in sysfs are counted from 0. This fixes a wrong error message. Current behavior on a machine with 4 sleep states is: cpupower idle-set -e 4 Idlestate 4 enabled on CPU 0 -----Wrong--------------------- cpupower idle-set -e 5 Idlestate enabling not supported by kernel -----Must and now will be ----- cpupower idle-set -e 5 Idlestate 6 not available on CPU 0 ------------------------------- cpupower idle-set -e 6 Idlestate 6 not available on CPU 0 Signed-off-by: Thomas Renninger <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2013-11-25tools: cpupower: Add cpupower-idle-set(1) manpageThomas Renninger2-1/+73
The cpupower idle-set subcommand was introduce recently. This patch provides the missing manpage. If cpupower is properly installed it will show up automatically (similar to git), when invoking: cpupower help idle-set or cpupower idle-set --help Some parts have been taken over and adjusted from git commit 62d6ae880e3e76098 documentation submitted by Carsten Emde. Signed-off-by: Thomas Renninger <[email protected]> Signed-off-by: Rafael J. Wysocki <[email protected]>
2013-11-25ARM: tegra: Provide dummy powergate implementationThierry Reding1-0/+27
In order to support increased build test coverage for drivers, implement dummies for the powergate implementation. This will allow the drivers to be built without requiring support for Tegra to be selected. This patch solves the following build errors, which can be triggered in v3.13-rc1 by selecting DRM_TEGRA without ARCH_TEGRA: drivers/built-in.o: In function `gr3d_remove': drivers/gpu/drm/tegra/gr3d.c:321: undefined reference to `tegra_powergate_power_off' drivers/gpu/drm/tegra/gr3d.c:325: undefined reference to `tegra_powergate_power_off' drivers/built-in.o: In function `gr3d_probe': drivers/gpu/drm/tegra/gr3d.c:266: undefined reference to `tegra_powergate_sequence_power_up' drivers/gpu/drm/tegra/gr3d.c:273: undefined reference to `tegra_powergate_sequence_power_up' Signed-off-by: Thierry Reding <[email protected]> [swarren, updated commit description] Signed-off-by: Stephen Warren <[email protected]> Signed-off-by: Olof Johansson <[email protected]>
2013-11-25Merge tag 'omap-for-v3.13/more-fixes-for-merge-window-take2' of ↵Olof Johansson14-185/+232
git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into fixes From Tony Lindgren: Few more fixes for issues found booting older omaps using device tree. Also few randconfig build fixes and removal of some dead code for omap4 as it no longer has legacy platform data based booting support. * tag 'omap-for-v3.13/more-fixes-for-merge-window-take2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: ARM: OMAP2+: Remove legacy omap4_twl6030_hsmmc_init ARM: OMAP2+: Remove legacy mux code for display.c ARM: OMAP2+: Fix undefined reference to set_cntfreq gpio: twl4030: Fix passing of pdata in the device tree case gpio: twl4030: Fix regression for twl gpio output ARM: OMAP2+: More randconfig fixes for reconfigure_io_chain ARM: dts: Fix omap2 specific dtsi files by adding the missing entries ARM: OMAP2+: Fix GPMC and simplify bootloader timings for 8250 and smc91x i2c: omap: Fix missing device tree flags for omap2
2013-11-25ARM: omap: fix warning with LPAE buildOlof Johansson1-1/+1
Some omap3 code is throwing a warning: arch/arm/mach-omap2/pm34xx.c: In function 'omap3_save_secure_ram_context': arch/arm/mach-omap2/pm34xx.c:123:32: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast] In reality this code will never actually execute with LPAE=y, since Cortex-A8 doesn't support it. So downcasting the __pa() is safe in this case. Signed-off-by: Olof Johansson <[email protected]> Acked-by: Tony Lindgren <[email protected]>
2013-11-25Merge branches 'acpi-hotplug', 'acpi-sysfs' and 'acpi-sleep'Rafael J. Wysocki5-28/+34
* acpi-hotplug: ACPI / hotplug: Fix conflicted PCI bridge notify handlers * acpi-sysfs: ACPI / sysfs: Fix incorrect ACPI tables walk in acpi_tables_sysfs_init() ACPI / sysfs: Set file size for each exposed ACPI table * acpi-sleep: ACPI / sleep: clean up compiler warning about uninitialized field
2013-11-25irq: Enable all irqs unconditionally in irq_resumeLaxman Dewangan1-1/+1
When the system enters suspend, it disables all interrupts in suspend_device_irqs(), including the interrupts marked EARLY_RESUME. On the resume side things are different. The EARLY_RESUME interrupts are reenabled in sys_core_ops->resume and the non EARLY_RESUME interrupts are reenabled in the normal system resume path. When suspend_noirq() failed or suspend is aborted for any other reason, we might omit the resume side call to sys_core_ops->resume() and therefor the interrupts marked EARLY_RESUME are not reenabled and stay disabled forever. To solve this, enable all irqs unconditionally in irq_resume() regardless whether interrupts marked EARLY_RESUMEhave been already enabled or not. This might try to reenable already enabled interrupts in the non failure case, but the only affected platform is XEN and it has been confirmed that it does not cause any side effects. [ tglx: Massaged changelog. ] Signed-off-by: Laxman Dewangan <[email protected]> Acked-by-and-tested-by: Konrad Rzeszutek Wilk <[email protected]> Acked-by: Heiko Stuebner <[email protected]> Reviewed-by: Pavel Machek <[email protected]> Cc: <[email protected]> Cc: <[email protected]> Cc: <[email protected]> Cc: <[email protected]> Cc: [email protected] Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]>
2013-11-25staging: zsmalloc: Ensure handle is never 0 on successOlav Haugan1-4/+13
zsmalloc encodes a handle using the pfn and an object index. On hardware platforms with physical memory starting at 0x0 the pfn can be 0. This causes the encoded handle to be 0 and is incorrectly interpreted as an allocation failure. This issue affects all current and future SoCs with physical memory starting at 0x0. All MSM8974 SoCs which includes Google Nexus 5 devices are affected. To prevent this false error we ensure that the encoded handle will not be 0 when allocation succeeds. Signed-off-by: Olav Haugan <[email protected]> Cc: stable <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25staging/lustre/ptlrpc: fix ptlrpc_stop_pinger logicPeng Tao1-2/+2
It was introduced due to a patch hunk when porting commit 20802057 (staging/lustre/ptlrpc: race in pinger). Cc: Andreas Dilger <[email protected]> Signed-off-by: Peng Tao <[email protected]> Cc: stable <[email protected]> # 3.12 Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25staging: r8188eu: Fix AP modeLarry Finger1-0/+3
Two code lines were accidentally deleted. Restore them. Signed-off-by: Larry Finger <[email protected]> Cc: Stable <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25Merge tag 'fixes-for-3.13a' of ↵Greg Kroah-Hartman15-24/+46
git://git.kernel.org/pub/scm/linux/kernel/git/jic23/iio into staging-linus Jonathan writes: First round of fixes for IIO in the 3.13 cycle. The usual mixed bag of fixes. * 3 cases where kconfig dependencies were missing. We need to keep a closer eye on this in new drivers. * hid_sensors was abusing the iio_dev->trigger pointer. We had a round of clearing this out some time ago but this driver clearly slipped through. * A misuse of the IIO_ST macro, in mcp3422, which we should really make a concertive effort to finish removing. * Avoid a double free introduced by recent buffer reference counting in the one driver that (quite reasonably!) does things differently (am335x) * A missing mutex_unlock in kxsd9 that means that driver has been non functional for some time and no one noticed (including me who for once actually has one of the supported devices). * An incorrect assumption about the parameters of sign_extend32 in mcp3422. So nothing controversial. The only substantial patch is the hid_sensors one and that is actually just adding a new pointer to the devices private state then moving the code over to it.
2013-11-25Merge tag 'regulator-v3.13-rc1' of ↵Linus Torvalds4-6/+70
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator Pull regulator fixes from Mark Brown: "A bunch of fixes, a few driver specific ones and a framework fix for voltage enumeration on fixed voltage regulators which had previously worked but had been misplaced during some refactoring causing problems for users that needed to know the voltage" * tag 'regulator-v3.13-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator: regulator: arizona-micsupp: Correct wm5110 voltage selection regulator: pfuze100: allow misprogrammed ID regulator: fixed: fix regulator_list_voltage() for regression regulator: gpio-regulator: Don't oops on missing regulator-type property
2013-11-25can: c_can: fix calculation of transmitted bytes on tx completeHolger Bechtold1-0/+1
The number of bytes transmitted was not updated correctly, if several CAN messages (with different length) were transmitted in one 'bunch'. Thus programs like 'ifconfig' showed wrong transmit byte counts. Reason was, that the message object whose DLC is to be read was not necessarily the active one at the time when priv->read_reg(priv, C_CAN_IFACE(MSGCTRL_REG, 0)) & IF_MCONT_DLC_MASK; was executed. Signed-off-by: Holger Bechtold <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
2013-11-25can: c_can: don't call pm_runtime_get_sync() from interrupt contextMarc Kleine-Budde1-6/+15
The c_can driver contians a callpath (c_can_poll -> c_can_state_change -> c_can_get_berr_counter) which may call pm_runtime_get_sync() from the IRQ handler, which is not allowed and results in "BUG: scheduling while atomic". This problem is fixed by introducing __c_can_get_berr_counter, which will not call pm_runtime_get_sync(). Reported-by: Andrew Glen <[email protected]> Tested-by: Andrew Glen <[email protected]> Signed-off-by: Andrew Glen <[email protected]> Cc: linux-stable <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
2013-11-25can: sja1000: fix {pre,post}_irq() handling and IRQ handler return valueOliver Hartkopp1-8/+9
This patch fixes the issue that the sja1000_interrupt() function may have returned IRQ_NONE without processing the optional pre_irq() and post_irq() function before. Further the irq processing counter 'n' is moved to the end of the while statement to return correct IRQ_[NONE|HANDLED] values at error conditions. Reported-by: Wolfgang Grandegger <[email protected]> Acked-by: Wolfgang Grandegger <[email protected]> Signed-off-by: Oliver Hartkopp <[email protected]> Cc: linux-stable <[email protected]> Signed-off-by: Marc Kleine-Budde <[email protected]>
2013-11-25Staging: btmtk_usb: Add hdev parameter to hdev->send driver callbackGeert Uytterhoeven1-2/+1
drivers/staging/btmtk_usb/btmtk_usb.c: In function ‘btmtk_usb_probe’: drivers/staging/btmtk_usb/btmtk_usb.c:1610: warning: assignment from incompatible pointer type Add the new hdev parameter, cfr. commit 7bd8f09f69f8a190f9b8334a07bb0a9237612314 ("Bluetooth: Add hdev parameter to hdev->send driver callback"). Signed-off-by: Geert Uytterhoeven <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25ima: make a copy of template_fmt in template_desc_init_fields()Roberto Sassu1-7/+14
This patch makes a copy of the 'template_fmt' function argument so that the latter will not be modified by strsep(), which does the splitting by replacing the given separator with '\0'.  IMA: No TPM chip found, activating TPM-bypass!  Unable to handle kernel pointer dereference at virtual kernel address 0000000000842000  Oops: 0004 [#1] SMP  Modules linked in:  CPU: 3 PID: 1 Comm: swapper/0 Not tainted 3.12.0-rc2-00098-g3ce1217d6cd5 #17  task: 000000003ffa0000 ti: 000000003ff84000 task.ti: 000000003ff84000  Krnl PSW : 0704e00180000000 000000000044bf88 (strsep+0x7c/0xa0)             R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 EA:3  Krnl GPRS: 000000000000007c 000000000000007c 000000003ff87d90 0000000000821fd8             0000000000000000 000000000000007c 0000000000aa37e0 0000000000aa9008             0000000000000051 0000000000a114d8 0000000100000002 0000000000842bde             0000000000842bdf 00000000006f97f0 000000000040062c 000000003ff87cf0  Krnl Code: 000000000044bf7c: a7f4000a           brc     15,44bf90             000000000044bf80: b90200cc           ltgr    %r12,%r12            #000000000044bf84: a7840006           brc     8,44bf90            >000000000044bf88: 9200c000           mvi     0(%r12),0             000000000044bf8c: 41c0c001           la      %r12,1(%r12)             000000000044bf90: e3c020000024       stg     %r12,0(%r2)             000000000044bf96: b904002b           lgr     %r2,%r11             000000000044bf9a: ebbcf0700004       lmg     %r11,%r12,112(%r15)  Call Trace:  ([<00000000004005fe>] ima_init_template+0xa2/0x1bc)   [<0000000000a7c896>] ima_init+0x7a/0xa8   [<0000000000a7c938>] init_ima+0x24/0x40   [<00000000001000e8>] do_one_initcall+0x68/0x128   [<0000000000a4eb56>] kernel_init_freeable+0x20a/0x2b4   [<00000000006a1ff4>] kernel_init+0x30/0x178   [<00000000006b69fe>] kernel_thread_starter+0x6/0xc   [<00000000006b69f8>] kernel_thread_starter+0x0/0xc  Last Breaking-Event-Address:   [<000000000044bf42>] strsep+0x36/0xa0 Fixes commit: adf53a7 ima: new templates management mechanism Changelog v1: - make template_fmt 'const char *' (reported-by James Morris) - fix kstrdup memory leak (reported-by James Morris) Reported-by: Heiko Carstens <[email protected]> Signed-off-by: Roberto Sassu <[email protected]> Signed-off-by: Mimi Zohar <[email protected]> Tested-by: Heiko Carstens <[email protected]>
2013-11-25Staging: go7007: fix up some remaining go->dev issuesGreg Kroah-Hartman1-3/+3
This fixes up the remaining "dev is used before it is set" issues in the go7007 driver that were originally caused by commit b6ea5ef80aa7fd6f4b18ff2e4174930e8772e812 but not fixed up by reverting it due to other patches later on adding these "fixes". Cc: Hans Verkuil <[email protected]> Cc: Mauro Carvalho Chehab <[email protected]> Cc: Dulshani Gunawardhana <[email protected]> Cc: Josh Triplett <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25staging: imx-drm: Fix modular build of DRM_IMX_IPUV3Josh Boyer2-1/+4
commit b8d181e408af (staging: drm/imx: add drm plane support) added a file to the make target for DRM_IMX_IPUV3 but didn't adjust the objs required to actually build that as a module. Kbuild got confused and this lead to link errors like: ERROR: "ipu_plane_disable" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined! ERROR: "ipu_plane_enable" [drivers/staging/imx-drm/ipuv3-crtc.ko] undefined! Additionally, it added a call to imx_drm_crtc_id which also fails with a link error as above. To fix this, we adjust the make target with the proper objs, which will change the name of the resulting .ko. We also add an EXPORT_SYMBOL_GPL for imx_drm_crtc_id. Signed-off-by: Josh Boyer <[email protected]> Fixes: b8d181e408af '(staging: drm/imx: add drm plane support)' Acked-by: Sascha Hauer <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25staging: ft1000: fix use of potentially uninitialized variableMichal Nazarewicz1-2/+1
If boot_case is false, status in never assigned a value. Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25Revert "staging:media: Use dev_dbg() instead of pr_debug()"Greg Kroah-Hartman1-10/+12
This reverts commit b6ea5ef80aa7fd6f4b18ff2e4174930e8772e812. Turns out to have lots of run-time issues in that the structure is not initialized before it is used in the debugging messages. Reported-by: Mauro Carvalho Chehab <[email protected]> Cc: Dulshani Gunawardhana <[email protected]> Cc: Josh Triplett <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25n_tty: Protect minimum_to_wake reset for concurrent readersPeter Hurley1-2/+2
With multiple, concurrent readers (each waiting to acquire the atomic_read_lock mutex), a departing reader may mistakenly reset minimum_to_wake after a new reader has already set a new value. Protect the minimum_to_wake reset with the atomic_read_lock critical section. Signed-off-by: Peter Hurley <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25Staging: zram: Fix memory leak by refcount mismatchRashika Kheria1-5/+14
As suggested by Minchan Kim and Jerome Marchand "The code in reset_store get the block device (bdget_disk()) but it does not put it (bdput()) when it's done using it. The usage count is therefore incremented but never decremented." This patch also puts bdput() for all error cases. Acked-by: Minchan Kim <[email protected]> Acked-by: Jerome Marchand <[email protected]> Cc: [email protected] Signed-off-by: Rashika Kheria <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25staging: vt6656: [BUG] Fix for TX USB resets from vendors driver.Malcolm Priestley2-0/+13
This fixes resets on heavy TX data traffic. Vendor driver VT6656_Linux_src_v1.21.03_x86_11.04.zip http://www.viaembedded.com/servlet/downloadSvl?id=1890&download_file_id=14704 This is GPL-licensed code. original code BBbVT3184Init ... //2007-0725, RobertChang add, Enable Squelch detect reset option(SQ_RST_Opt), USB (register4, bit1) CONTROLnsRequestIn(pDevice, MESSAGE_TYPE_READ, (WORD)0x600+4, // USB's Reg4's bit1 MESSAGE_REQUEST_MEM, 1, (PBYTE) &byData); byData = byData|2 ; CONTROLnsRequestOut(pDevice, MESSAGE_TYPE_WRITE, (WORD)0x600+4, // USB's Reg4's bit1 MESSAGE_REQUEST_MEM, 1, (PBYTE) &byData); return TRUE;//ntStatus; .... A back port patch is needed for kernels less than 3.10. Signed-off-by: Malcolm Priestley <[email protected]> Cc: [email protected] # v3.10+ Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25staging: nvec: potential NULL dereference on error pathDan Carpenter1-1/+2
We assume nvec->rx can be NULL earlier so I have added a check here as well. Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
2013-11-25Staging: vt6655-6: potential NULL dereference in hostap_disable_hostapd()Dan Carpenter2-2/+4
We fixed this to use free_netdev() instead of kfree() but unfortunately free_netdev() doesn't accept NULL pointers. Smatch complains about this, it's not something I discovered through testing. Fixes: 3030d40b5036 ('staging: vt6655: use free_netdev instead of kfree') Fixes: 0a438d5b381e ('staging: vt6656: use free_netdev instead of kfree') Signed-off-by: Dan Carpenter <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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