- 08 3月, 2015 2 次提交
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由 Duson Lin 提交于
In order to better diagnose potential issues let's return error to the upper layers when resuming the device fails and also add a few diagnostic messages. Signed-off-by: NDuson Lin <dusonlin@emc.com.tw> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
The device->pm pointer is always present so there is no need to do tricks with conditionally defining the pointer. Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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- 07 3月, 2015 9 次提交
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由 Sébastien Szymanski 提交于
Signed-off-by: NSébastien Szymanski <sebastien.szymanski@armadeus.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Aleksei Mamlin 提交于
This change adds device tree support and binding information for Goodix GT9xx series touchscreen controller. It also adds support for 5-finger chips, like GT911 and GT912, which can be found on ARM tablets, such as Wexler TAB7200 and MSI Primo73. Datasheets can be found here: https://drive.google.com/folderview?id=0BxCVOQS3ZymGfmJyY2RKbE5XbVlKNlktVTlwV0lxNEdxd2dzeWZER094cmJPVnMxN1F0Yzg&usp=sharingSigned-off-by: NAleksei Mamlin <mamlinav@gmail.com> Reviewed-by: NBastien Nocera <hadess@hadess.net> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Aleksei Mamlin 提交于
Use max number of touches from device config instead of hardcoding. Signed-off-by: NAleksei Mamlin <mamlinav@gmail.com> Tested-by: NBastien Nocera <hadess@hadess.net> Acked-by: NBastien Nocera <hadess@hadess.net> Tested-by: NAntonio Ospite <ao2@ao2.it> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Stefan Brüns 提交于
Signed-off-by: NStefan Brüns <stefan.bruens@rwth-aachen.de> Acked-by: NJiri Kosina <jkosina@suse.cz> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Stefan Brüns 提交于
The new name better reflects intended usage (but we are keeping the old name as an alias for compatibility). Signed-off-by: NStefan Brüns <stefan.bruens@rwth-aachen.de> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
According to Synaptics devices with ForcePads use SYN300D and SYN3014 as PNP IDs, so let's switch from DMI-bases detection scheme to PNP-based one, which should be more reliable. Suggested-by: NHans de Goede <hdegoede@redhat.com> Acked-by: NHans de Goede <hdegoede@redhat.com> Reviewed-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
PNP IDs are supposed to be case-insensitive and so we should compare them as such. Acked-by: NHans de Goede <hdegoede@redhat.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Linus Walleij 提交于
This adds a key input driver for the keys found on the h3xxx iPAQ series. Based on a driver from handhelds.org 2.6.21 kernel, written by Alessandro GARDICH. Signed-off-by: NAlessandro GARDICH <gremlin@gremlin.it> Signed-off-by: NDmitry Artamonow <mad_soft@inbox.ru> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Jaewon Kim 提交于
This patch adds support for haptic on max77843 MFD (Multi Function Device) with PMIC, MUIC, LED, CHARGER. This driver supports external pwm and LRA (Linear Resonant Actuator) motor. Signed-off-by: NJaewon Kim <jaewon02.kim@samsung.com> [Jim Davis <jim.epost@gmail.com>: should depend on REGULATOR not PWM] Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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- 03 3月, 2015 1 次提交
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由 Scott Branden 提交于
Broadcom Keypad controller is used to interface a SoC with a matrix-type keypad device. The keypad controller supports multiple row and column lines. A key can be placed at each intersection of a unique row and a unique column. The keypad controller can sense a key-press and key-release and report the event using an interrupt to the CPU. Reviewed-by: NRay Jui <rjui@broadcom.com> Signed-off-by: NScott Branden <sbranden@broadcom.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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- 16 2月, 2015 17 次提交
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由 Dmitry Torokhov 提交于
Instead of having various protocols provide <protocol>_supported() functions, let's use IS_ENABLED() macro that works well in "if" statements. Acked-by: NHans de Goede <hdegoede@redhat.com> Reviewed-by: NBenjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
Merge bfin_rotary driver changes from Sonic Zhang.
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由 Dmitry Torokhov 提交于
Introduce open and close methods for the input device to postpone enabling the device until it is needed. Acked-by: NSonic Zhang <sonic.zhang@analog.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Sonic Zhang 提交于
Use of managed resources simplifies error handling. Signed-off-by: NSonic Zhang <sonic.zhang@analog.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Sonic Zhang 提交于
Instead of using arch-specific accessors remap rotary register physical address into kernel space in probe and use standard readw and writew to access rotary MMRs. Signed-off-by: NSonic Zhang <sonic.zhang@analog.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Sonic Zhang 提交于
Newer Blackfin boards use pinctrl API to manage pins and the legacy peripherial lists are not useful on them. Let's move pin lists into platform data so older boards can still use them and newer boards can use the modern API. Signed-off-by: NSonic Zhang <sonic.zhang@analog.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Sonic Zhang 提交于
The platform data definition of the rotary driver should be generic for all architectures. Signed-off-by: NSonic Zhang <sonic.zhang@analog.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
Instead of using #ifdef to guard potentially unused suspend and resume code let's mark them as __maybe_unused so they still get discarded if they are not used but we do not get warning. This allows for better compile coverage. Acked-by: NSonic Zhang <sonic.zhang@analog.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
The interrupt handler in the driver tries to fetch driver data from platform device, unfortunately it is only set up after interrupt handler is registered. Since interrupt handler does not really need to access the platform device itself let's change it to get the driver data instance instead. Acked-by: NSonic Zhang <sonic.zhang@analog.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Pali Rohár 提交于
This patch move all packet info from driver source code to documentation and adds info about v6 packet format (from driver source code). Signed-off-by: NPali Rohár <pali.rohar@gmail.com> Acked-by: NHans de Goede <hdegoede@redhat.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
The comment about suspicions entry 0x20, 0x02, 0x0e has over time drifted away and it become hard to figure out what it meant. Let's move it back so it is clear. Reported-by: NPali Rohár <pali.rohar@gmail.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Pali Rohár 提交于
Previously dev2 device was used for both external PS/2 mouse and internal trackstick device (if available). This change introduces dev3 device which is used for external PS/2 mouse data and dev2 is now used only for trackstick. In case that trackstick is not present dev2 is not created, so userspace does not see non existent device in system. Because laptops with ALPS devices often do not use i8042 active multiplexing all data (from touchpad, trackstick and external PS/2 mouse) come to one port. So it is not possible to know if external PS/2 mouse is connected or not. In most cases external PS/2 mouse is not connected so driver will create dev3 input device after first bare PS/2 packet will be received. So there will not be "ghost" input device. This change also helps in identifying possible problems in future if driver decides to report 6-bytes trackstick packets as 3-bytes bare PS/2 (data will be reported to dev3 instead dev2). Signed-off-by: NPali Rohár <pali.rohar@gmail.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
On some Dell Latitudes we fail to identify presence of trackstick unless we reset the device. The issue is quite benign as we do perform reset in alps_init(), so the trackstick ends up working, but mouse name reported to userspace is not accurate. In order to fix the issue while avoiding the additional lengthy reset we move the resrt to alps_detect() and keep the discovered state to be used later in alps_init(). Reported-by: NPali Rohár <pali.rohar@gmail.com> Tested-by: NPali Rohár <pali.rohar@gmail.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
Move setting of all protocol properties into alps_set_protocol (former alps_set_defaults) instead of having it split between several functions. Tested-by: NPali Rohár <pali.rohar@gmail.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
In preparation of reworking the way we set protocol parameters let's split certain protocol items from alps_model_info into a separate structure. Tested-by: NPali Rohár <pali.rohar@gmail.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
Even though Rushmore is very close to V3 protocol it is sufficiently different to warrant it's own protocol name. Tested-by: NPali Rohár <pali.rohar@gmail.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dmitry Torokhov 提交于
In order to accommodate new protocol number for Rushmore touchpads let's shift protocol numbers by 8 bits (i.e. 1 -> 0x100) - this way we keep protocol version reported in input device id the same as it was, but add some holes in numbering. Tested-by: NPali Rohár <pali.rohar@gmail.com> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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- 12 2月, 2015 2 次提交
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由 Markus Elfring 提交于
The input_free_device() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: NMarkus Elfring <elfring@users.sourceforge.net> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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由 Dan Carpenter 提交于
Static checkers complain about this NULL check because we dereference it without checking a couple lines later. This function is only called when "keypad->pdata" is non-NULL so we can just delete the NULL test. Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> [Dmitry: remove the variable altogether given that it is used just once and dereference directly.] Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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- 11 2月, 2015 1 次提交
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由 Bastien Nocera 提交于
KEY_HOME is the key to go back to the beginning of the line, not the key to get into an overview mode, as Windows does. GNOME can already make use of the Windows key on multiple form factors, and other desktop environments can use it depending on the form factor. Using "Windows" as the emitted key also means that the keycode sent out matches the symbol on the key itself. So switch KEY_HOME to KEY_LEFTMETA ("Windows" key). Signed-off-by: NBastien Nocera <hadess@hadess.net> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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- 09 2月, 2015 5 次提交
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由 Linus Torvalds 提交于
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git://git.rocketboards.org/linux-socfpga-next由 Linus Torvalds 提交于
Pull nios2 fix from Ley Foon Tan: "This fixes incorrect behavior of some user programs" * tag 'nios2-fixes-v3.19-final' of git://git.rocketboards.org/linux-socfpga-next: nios2: fix unhandled signals
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git://git.kvack.org/~bcrl/aio-fixes由 Linus Torvalds 提交于
Pull aio nested sleep annotation from Ben LaHaise, * git://git.kvack.org/~bcrl/aio-fixes: aio: annotate aio_read_event_ring for sleep patterns
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由 Linus Torvalds 提交于
Merge tag 'trace-fixes-v3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace Pull ftrace fixes from Steven Rostedt: "During testing Sedat Dilek hit a "suspicious RCU usage" splat that pointed out a real bug. During suspend and resume the tlb_flush tracepoint is called when the CPU is going offline. As the CPU has been noted as offline, RCU is ignoring that CPU, which means that it can not use RCU protected locks. When tracepoints are activated, they require RCU locking, and if RCU is ignoring a CPU that runs a tracepoint, there is a chance that the tracepoint could cause corruption. The solution was to change the tracepoint into a TRACE_EVENT_CONDITION() which allows us to check a condition to determine if the tracepoint should be called or not. If the condition is not met, the rcu protected code will not be executed. By adding the condition "cpu_online(smp_processor_id())", this will prevent the RCU protected code from being executed if the CPU is marked offline. After adding this, another bug was discovered. As RCU checks rcu callers, if a rcu call is not done, there is no check (obviously). We found that tracepoints could be added in RCU ignored locations and not have lockdep complain until the tracepoint is activated. This missed places where tracepoints were added in places they should not have been. To fix this, code was added in 3.18 that if lockdep is enabled, any tracepoint will still call the rcu checks even if the tracepoint is not enabled. The bug here, is that the check does not take the CONDITION into account. As the condition may prevent tracepoints from being activated in RCU ignored areas (as the one patch does), we get false positives when we enable lockdep and hit a tracepoint that the condition prevents it from being called in a RCU ignored location. The fix for this is to add the CONDITION to the rcu checks, even if the tracepoint is not enabled" * tag 'trace-fixes-v3.19-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace: x86/tlb/trace: Do not trace on CPU that is offline tracing: Add condition check to RCU lockdep checks
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由 Chung-Ling Tang 提交于
Follow other architectures for user fault handling. Signed-off-by: NChung-Ling Tang <cltang@codesourcery.com> Acked-by: NLey Foon Tan <lftan@altera.com>
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- 08 2月, 2015 3 次提交
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由 Steven Rostedt (Red Hat) 提交于
When taking a CPU down for suspend and resume, a tracepoint may be called when the CPU has been designated offline. As tracepoints require RCU for protection, they must not be called if the current CPU is offline. Unfortunately, trace_tlb_flush() is called in this scenario as was noted by LOCKDEP: ... Disabling non-boot CPUs ... intel_pstate CPU 1 exiting =============================== smpboot: CPU 1 didn't die... [ INFO: suspicious RCU usage. ] 3.19.0-rc7-next-20150204.1-iniza-small #1 Not tainted ------------------------------- include/trace/events/tlb.h:35 suspicious rcu_dereference_check() usage! other info that might help us debug this: RCU used illegally from offline CPU! rcu_scheduler_active = 1, debug_locks = 0 no locks held by swapper/1/0. stack backtrace: CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.19.0-rc7-next-20150204.1-iniza-small #1 Hardware name: SAMSUNG ELECTRONICS CO., LTD. 530U3BI/530U4BI/530U4BH/530U3BI/530U4BI/530U4BH, BIOS 13XK 03/28/2013 0000000000000001 ffff88011a44fe18 ffffffff817e370d 0000000000000011 ffff88011a448290 ffff88011a44fe48 ffffffff810d6847 ffff8800c66b9600 0000000000000001 ffff88011a44c000 ffffffff81cb3900 ffff88011a44fe78 Call Trace: [<ffffffff817e370d>] dump_stack+0x4c/0x65 [<ffffffff810d6847>] lockdep_rcu_suspicious+0xe7/0x120 [<ffffffff810b71a5>] idle_task_exit+0x205/0x2c0 [<ffffffff81054c4e>] play_dead_common+0xe/0x50 [<ffffffff81054ca5>] native_play_dead+0x15/0x140 [<ffffffff8102963f>] arch_cpu_idle_dead+0xf/0x20 [<ffffffff810cd89e>] cpu_startup_entry+0x37e/0x580 [<ffffffff81053e20>] start_secondary+0x140/0x150 intel_pstate CPU 2 exiting ... By converting the tlb_flush tracepoint to a TRACE_EVENT_CONDITION where the condition is cpu_online(smp_processor_id()), we can avoid calling RCU protected code when the CPU is offline. Link: http://lkml.kernel.org/r/CA+icZUUGiGDoL5NU8RuxKzFjoLjEKRtUWx=JB8B9a0EQv-eGzQ@mail.gmail.com Cc: stable@vger.kernel.org # 3.17+ Fixes: d17d8f9d "x86/mm: Add tracepoints for TLB flushes" Reported-by: NSedat Dilek <sedat.dilek@gmail.com> Tested-by: NSedat Dilek <sedat.dilek@gmail.com> Suggested-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com> Acked-by: NDave Hansen <dave@sr71.net> Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>
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由 Steven Rostedt (Red Hat) 提交于
The trace_tlb_flush() tracepoint can be called when a CPU is going offline. When a CPU is offline, RCU is no longer watching that CPU and since the tracepoint is protected by RCU, it must not be called. To prevent the tlb_flush tracepoint from being called when the CPU is offline, it was converted to a TRACE_EVENT_CONDITION where the condition checks if the CPU is online before calling the tracepoint. Unfortunately, this was not enough to stop lockdep from complaining about it. Even though the RCU protected code of the tracepoint will never be called, the condition is hidden within the tracepoint, and even though the condition prevents RCU code from being called, the lockdep checks are outside the tracepoint (this is to test tracepoints even when they are not enabled). Even though tracepoints should be checked to be RCU safe when they are not enabled, the condition should still be considered when checking RCU. Link: http://lkml.kernel.org/r/CA+icZUUGiGDoL5NU8RuxKzFjoLjEKRtUWx=JB8B9a0EQv-eGzQ@mail.gmail.com Fixes: 3a630178 "tracing: generate RCU warnings even when tracepoints are disabled" Cc: stable@vger.kernel.org # 3.18+ Acked-by: NDave Hansen <dave@sr71.net> Reported-by: NSedat Dilek <sedat.dilek@gmail.com> Tested-by: NSedat Dilek <sedat.dilek@gmail.com> Signed-off-by: NSteven Rostedt <rostedt@goodmis.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband由 Linus Torvalds 提交于
Pull one more infiniband revert from Roland Dreier: "One more last-second RDMA change for 3.19: Yann realized that the previous revert of new userspace ABI did not go far enough, and we're still exposing a change that we don't want. Revert even closer to 3.18 interface to make sure we get things right in the long run" Yann Droneaud pipes up: "I hope this could go in v3.19 as, at this stage, we don't want to expose any bits of this ABI in a released kernel" * tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: Revert "IB/core: Add support for extended query device caps"
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