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2014-01-21toshiba_acpi: Support RFKILL hotkey scancodeUnai Uribarri
This scancode is used in new 2013 models like Satellite P75-A7200. Signed-off-by: Unai Uribarri <unaiur@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21hp_accel: Add a new PnP ID HPQ6007 for new HP laptopsTakashi Iwai
The DriveGuard chips on the new HP laptops are with a new PnP ID "HPQ6007". It should be compatible with older chips. Acked-by: Éric Piel <eric.piel@tremplin-utc.net> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21sony-laptop: remove unnecessary assigment of lenColin Ian King
The assignment of len = len is unnecessary, so remove it. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21fujitsu-laptop: fix error return codeJulia Lawall
These functions mix the use of result and error. In acpi_fujitsu_add, result does not seem useful; it would seem reasonable to propagate the return value of acpi_bus_update_power in an error case. On the other hand, in the case of acpi_fujitsu_hotkey_add, there is an initialization of result that can lead to what looks like a failure case, but that does not abort the function. The variable result is kept for this case. A simplified version of the semantic match that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> ( if@p1 (\(ret < 0\|ret != 0\)) { ... return ret; } | ret@p1 = 0 ) ... when != ret = e1 when != &ret *if(...) { ... when != ret = e2 when forall return ret; } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21dell-laptop: Only install the i8042 filter when rfkill is activeHans de Goede
Installing the i8042 filter is not useful on machines where rfkill is not whitelisted, so move the filter installation into dell_setup_rfkill, after the whitelist check. This avoids doing a needless and potentially troublesome rfkill query (dell_send_request(buf, 17, 11)) when the wireless Fn key gets pressed on non whitelisted laptops. This patch was written as a result of: https://bugzilla.redhat.com/show_bug.cgi?id=1045807 It is not yet clear if this is related, but it is a good idea to not register the i8042 filter in general. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21X86 platform: New BayTrail IOSF-SB MBI driverDavid E. Box
Current Intel SOC cores use a MailBox Interface (MBI) to provide access to unit devices connected to the system fabric. This driver implements access to this interface on BayTrail platforms. This is a requirement for drivers that need access to unit registers on the platform (e.g. accessing the PUNIT for power management features such as RAPL). Serialized access is handled by all exported routines with spinlocks. The API includes 3 functions for access to unit registers: int bt_mbi_read(u8 port, u8 opcode, u32 offset, u32 *mdr) int bt_mbi_write(u8 port, u8 opcode, u32 offset, u32 mdr) int bt_mbi_modify(u8 port, u8 opcode, u32 offset, u32 mdr, u32 mask) port: indicating the unit being accessed opcode: the read or write port specific opcode offset: the register offset within the port mdr: the register data to be read, written, or modified mask: bit locations in mdr to change Returns nonzero on error Note: GPU code handles access to the GFX unit. Therefore access to that unit with this driver is disallowed to avoid conflicts. Signed-off-by: David E. Box <david.e.box@linux.intel.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21drivers: platform: Include appropriate header file in mxm-wmi.cRashika Kheria
This patch includes appropriate header file linux/mxm-wmi.h in x86/mxm-wmi.c because functions mxm_wmi_call_mxds(), mxm_wmi_call_mxmx() and mxm_wmi_supported() have their prototype declaration in linux/mxm-wmi.h. Thus, it also eliminates the following warnings in x86/mxm-wmi.c: drivers/platform/x86/mxm-wmi.c:43:5: warning: no previous prototype for ‘mxm_wmi_call_mxds’ [-Wmissing-prototypes] drivers/platform/x86/mxm-wmi.c:68:5: warning: no previous prototype for ‘mxm_wmi_call_mxmx’ [-Wmissing-prototypes] drivers/platform/x86/mxm-wmi.c:93:6: warning: no previous prototype for ‘mxm_wmi_supported’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21drivers: platform: Mark functions as static in hp_accel.cRashika Kheria
This patch marks the functions lis3lv02d_acpi_init(), lis3lv02d_acpi_read() and lis3lv02d_acpi_write() as static in x86/hp_accel.c because they are not used outside this file. Thus, it also eliminates the following warnings in x86/hp_accel.c: drivers/platform/x86/hp_accel.c:91:5: warning: no previous prototype for ‘lis3lv02d_acpi_init’ [-Wmissing-prototypes] drivers/platform/x86/hp_accel.c:109:5: warning: no previous prototype for ‘lis3lv02d_acpi_read’ [-Wmissing-prototypes] drivers/platform/x86/hp_accel.c:132:5: warning: no previous prototype for ‘lis3lv02d_acpi_write’ [-Wmissing-prototypes] Signed-off-by: Rashika Kheria <rashika.kheria@gmail.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21dell-laptop: rkill whitelist Precision modelsHans de Goede
Given that Precision mobile workstations are top of the line Dell products, I expect the functionality of rfkill there to be as reliable as on Latitudes so whitelist Precisions. https://bugzilla.kernel.org/show_bug.cgi?id=65731 Reported-by: Calum Lind <calumlind@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21ipc: simplify platform data approachDavid Cohen
This patch removes the unnecessary enum for platform type to handle the array of pdatas. We can set pdata directly to pci_device_id struct instead. Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21asus-wmi: Convert to use devm_hwmon_device_register_with_groupsGuenter Roeck
Simplify the code and avoid race conditions due to late sysfs attribute registration. Also replace SENSOR_DEVICE_ATTR with DEVICE_ATTR; the additional parameter is not used and thus unnecessary. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21compal-laptop: Use devm_hwmon_device_register_with_groupsGuenter Roeck
Simplify the code and create hwmon attributes as well as hwmon device in one go. With the new hwmon API, hwmon attributes are now attached to the hwmon device. Therefore, split hwmon and device attributes into two separate groups. Platform attributes are still attached to the platform device. Also use devm_kzalloc to allocate local data structures for further simplification. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21compal-laptop: Replace SENSOR_DEVICE_ATTR with DEVICE_ATTRGuenter Roeck
The extra argument to SENSOR_DEVICE_ATTR is not used. It is therefore not necessary to use SENSOR_DEVICE_ATTR in the first place. Replace it with DEVICE_ATTR. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21eeepc-laptop: Convert to use devm_hwmon_device_register_with_groupsGuenter Roeck
Simplify the code and avoid race condition caused by creating sysfs attributes after creating the hwmon device. Also replace SENSOR_DEVICE_ATTR with DEVICE_ATTR since the extra argument is not used and SENSOR_DEVICE_ATTR is not needed. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21compal-laptop: Use devm_kzalloc to allocate local data structureGuenter Roeck
Reduce code size and simplify error path. Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21dell-laptop: fix to return error code in dell_send_intensity()Wei Yongjun
Fix to return error code instead always return 0 from function dell_send_intensity(). Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>
2014-01-21drm/vmwgfx: Fix recently introduced sparse / smatch warnings and errorsThomas Hellstrom
Reported-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrant <jakob@vmware.com>
2014-01-21percpu: use VMALLOC_TOTAL instead of VMALLOC_END - VMALLOC_STARTLaura Abbott
vmalloc already gives a useful macro to calculate the total vmalloc size. Use it. Signed-off-by: Laura Abbott <lauraa@codeaurora.org> Signed-off-by: Tejun Heo <tj@kernel.org>
2014-01-21percpu-refcount: Add a WARN() for ref going negativeKent Overstreet
AIO had a missing get, which led to an ioctx leak - after percpu_ref_kill() the ref was 0 so percpu_ref_put() never saw it hit 0. This wasn't noticed at the time because it all happened completely silently, this adds a WARN() which would've caught the aio bug. tj: Used WARN_ONCE() instead of WARN(). Signed-off-by: Kent Overstreet <kmo@daterainc.com> Signed-off-by: Tejun Heo <tj@kernel.org>
2014-01-21drm/gem: Always initialize the gem object in object_initDaniel Vetter
At least drm/i915 expects that the obj->dev pointer is set even in failure paths. Specifically when the shmem initialization fails we call i915_gem_object_free which needs to deref obj->base.dev to get at the slab pointer in the device private structure. And the shmem allocation can easily fail when userspace is hitting open file limits. Doing the structure init even when the shmem file allocation fails prevents this Oops. This is a regression from commit 89c8233f82d9c8af5b20e72e4a185a38a7d3c50b Author: David Herrmann <dh.herrmann@gmail.com> Date: Thu Jul 11 11:56:32 2013 +0200 drm/gem: simplify object initialization v2: Add regression note which Chris supplied. Testcase: igt/gem_fd_exhaustion Reported-and-Suggested-by: Linus Torvalds <torvalds@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> References: http://lists.freedesktop.org/archives/intel-gfx/2014-January/038433.html Cc: stable@vger.kernel.org Reviewed-by: David Herrmann <dh.herrmann@gmail.com> Cc: David Herrmann <dh.herrmann@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2014-01-21libceph: support CEPH_FEATURE_EXPORT_PEERYan, Zheng
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
2014-01-21ceph: add imported caps when handling cap export messageYan, Zheng
Version 3 cap export message includes information about the imported caps. It allows us to add the imported caps if the corresponding cap import message still hasn't been received. This allow us to handle situation that the importer MDS crashes and the cap import message is missing. Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
2014-01-21ceph: add open export target session helperYan, Zheng
Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
2014-01-21ceph: remove exported caps when handling cap import messageYan, Zheng
Version 3 cap import message includes the ID of the exported caps. It allow us to remove the exported caps if we still haven't received the corresponding cap export message. We remove the exported caps because they are stale, keeping them can compromise consistence. Signed-off-by: Yan, Zheng <zheng.z.yan@intel.com>
2014-01-21mfd: wm5110: Add register patch for rev D chipCharles Keepax
Evaluation of revision D of WM5110 suggests updates to the register patch for optimal performance. For the sake of clarity rev C of the chip does not require a register patch. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: omap-usb-tll: Don't hold lock during pm_runtime_get/put_sync()Roger Quadros
pm_runtime_get/put_sync() can sleep so don't hold spinlock while calling them. This patch prevents a BUG() during system suspend when CONFIG_DEBUG_ATOMIC_SLEEP is enabled. Bug is present in Kernel versions v3.9 onwards. Reported-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Roger Quadros <rogerq@ti.com> Tested-by: Tomi Valkeinen <tomi.valkeinen@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21gpio: lp3943: Remove redundant of_match_ptr helperSachin Kamat
'lp3943_gpio_of_match' is always compiled in. Hence the helper macro is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: sta2x11-mfd: Use named constants for pci_power_t valuesJulia Lawall
If nothing more than to improve code readability. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression pdev; @@ pci_set_power_state(pdev, - 0 + PCI_D0 ) // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21Documentation: mfd: Fix LDO index in s2mps11.txtSachin Kamat
LDO indices start from 1. Fix the example appropriately. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: Cleanup mfd-mcp-sa11x0.h headerSachin Kamat
Commit a1fd844c6e62 ("ARM: sa1100: move platform_data definitions") moved the file to the current location but forgot to remove the pointer to its previous location. Clean it up. While at it also change the header file protection macros appropriately. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: max8997: Use "IS_ENABLED(CONFIG_OF)" for DT code.Manish Badarkhe
Instead of "#if define CONFIG_OF" use "IS_ENABLED(CONFIG_OF)" option for DT code to avoid if-deffery in code. Signed-off-by: Manish Badarkhe <badarkhe.manish@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: twl6030: Fix endianness problem in IRQ handlerDanke Xie
The current TWL 6030 IRQ handler assumes little endianness. This change makes it endian-neutral. Signed-off-by: Danke Xie <d.xie@sta.samsung.com> Signed-off-by: Taras Kondratiuk <taras.kondratiuk@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: sec-core: Add cells for S5M8767-clocksTushar Behera
S5M8767 chip has 3 crystal oscillators running at 32KHz. These are supported by s2mps11-clk driver. Signed-off-by: Tushar Behera <tushar.behera@linaro.org> Reviewed-by: Tomasz Figa <t.figa@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: max14577: Remove redundant of_match_ptr helperSachin Kamat
'max14577_dt_match' is always compiled in. Hence the helper macro is not needed. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: twl6040: Fix sparse non static symbol warningWei Yongjun
Fixes the following sparse warning: drivers/mfd/twl6040.c:89:20: warning: symbol 'twl6040_patch' was not declared. Should it be static? Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: Revert "mfd: Always assign of_node in mfd_add_device()"Lee Jones
This reverts commit 68044bee13770918e0b28dd44aa98c889ec7558f. We've had confirmed reports of this patch causing unforeseen issues with existing MFD users. It has been agreed by the original author and myself that reversion is the best solution. Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: rtsx: Fix sparse non static symbol warningWei Yongjun
Fixes the following sparse warning: drivers/mfd/rtl8411.c:473:6: warning: symbol 'rtl8411_init_common_params' was not declared. Should it be static? Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: max77693: Set proper maximum register for MUIC regmapKrzysztof Kozlowski
The MUIC block in max77693 has different I2C address than PMIC. The driver allocated two regmaps: for PMIC and MUIC. However it used the same regmap_config (with max_register field) for both regmaps. Actual maximum address of register for MUIC is different than for PMIC. Define another regmap_config for MUIC with proper max_register value. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: max77686: Fix regmap resource leak on driver removeKrzysztof Kozlowski
The regmap used by max77686 MFD driver was not freed with regmap_exit() on driver exit. This lead to leak of resources. Replace regmap_init_i2c() call in driver probe with initialization of managed register map so the regmap will be properly freed by the device management code. Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: Represent correct filenames in file headersLaszlo Papp
The original author(s) probably copy/pasted these headers from the existing public header files. Signed-off-by: Laszlo Papp <lpapp@kde.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: rtsx: Add support for card reader rtl8402Micky Ching
rtl8402 is much like rtl8411, so just add it to rtl8411.c Signed-off-by: Micky Ching <micky_ching@realsil.com.cn> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: rtsx: Add set pull control macro and simplify rtl8411Micky Ching
Add set pull control macro to reduce code for setting pull control, and use a common init function to reduce code for rtl8411.c. So this patch is used to just simplify code. Signed-off-by: Micky Ching <micky_ching@realsil.com.cn> Reviewed-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: max8997: Enforce mfd_add_devices() return value checkLaszlo Papp
The original author provided a random return value check which is redundant and seemingly floating. This patch not only relocates the check so it is more clearly associated with the invokation of mfd_add_devices(), but provides a store for the error value. We also print a meaningful message on error before returning. Signed-off-by: Laszlo Papp <lpapp@kde.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: mc13xxx: Simplify probe() & remove()Alexander Shiyan
This patch simplifies probe() and remove() functions by moving some initialisation code out from the I2C/SPI init() and exit() functions and into the core driver. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: mc13xxx: Remove useless symbol MFD_MC13783Alexander Shiyan
Symbol MFD_MC13783 always selected by MFD_MC13XXX, so no need to keep additional symbol. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: mc13xxx: Remove duplicate mc13xxx_get_flags() declarationAlexander Shiyan
mc13xxx_get_flags() declaration given twice. This patch removes this duplicate. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: ssbi: Mark match table constStephen Boyd
This is a read-only data structure. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: ssbi: Constify buffer in ssbi_writeStephen Boyd
In preparation for passing a const pointer directly to ssbi_write() from the regmap APIs. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: ssbi: Remove platform data structs and hide ssbi type enumStephen Boyd
The ssbi driver assumes that the device is DT based. Remove the platform data structs that will never be used and hide the enum in the only C file that uses it. Signed-off-by: Stephen Boyd <sboyd@codeaurora.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-01-21mfd: Always assign of_node in mfd_add_device()Stephen Warren
mfd_add_device() assigns .of_node in the device objects it creates only if the mfd_cell for the device has the .of_compatible field set and the DT node for the top-level MFD device contains a child whose compatible property matches the cell's .of_compatible field. This leaves .of_node unset in many cases. When this happens, entries in the DT /aliases property which refer to the top-level MFD DT node will never match the MFD child devices, hence causing the requested alias not to be honored. Solve this by setting each MFD child device's .of_node equal to the top- level MFD device's .of_node field in the cases where it would otherwise remain unset. The first use-case for this will be aliases for the TPS6586x's RTC device. Signed-off-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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