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* Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6Linus Torvalds2012-12-11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Pull GPIO updates from Grant Likely: "GPIO follow up patch and type change for v3.5 merge window Primarily device driver additions, features and bug fixes. Not much touching gpio common subsystem support. Should not be scary." * tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux-2.6: (34 commits) gpio: Provide the STMPE GPIO driver with its own IRQ Domain gpio: add TS-5500 DIO blocks support gpio: pcf857x: use client->irq for gpio_to_irq() gpio: stmpe: Add DT support for stmpe gpio gpio: pl061 depends on ARM gpio/pl061: remove old comment gpio: SPEAr: add spi chipselect control driver gpio: gpio-max710x: Support device tree probing gpio: twl4030: Use only TWL4030_MODULE_LED for LED configuration gpio: tegra: read output value when gpio is set in direction_out gpio: pca953x: Add compatible strings to gpio-pca953x driver gpio: pca953x: Register an IRQ domain gpio: mvebu: Set free callback for gpio_chip gpio: tegra: Drop exporting static functions gpio: tegra: Staticize non-exported symbols gpio: tegra: fix suspend/resume apis gpio-pch: Set parent dev for gpio chip gpio: em: Fix build errors GPIO: clps711x: use platform_device_unregister in gpio_clps711x_init() gpio/tc3589x: convert to use the simple irqdomain ...
| * gpio: Provide the STMPE GPIO driver with its own IRQ DomainLee Jones2012-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | The STMPE GPIO driver can be used as an IRQ controller by some related devices. Here we provide it with its very own IRQ Domain so that IRQs can be issued dynamically. This will stand the driver in good stead when it is enabled for Device Tree, as this it a prerequisite. Cc: Grant Likely <grant.likely@secretlab.ca> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: add TS-5500 DIO blocks supportVivien Didelot2012-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Technologic Systems TS-5500 provides digital I/O lines exposed through pin blocks. On this platform, there are three of them, named DIO1, DIO2 and LCD port, that may be used as a DIO block. The TS-5500 pin blocks are described in the product's wiki: http://wiki.embeddedarm.com/wiki/TS-5500#Digital_I.2FO This driver is not limited to the TS-5500 blocks. It can be extended to support similar boards pin blocks, such as on the TS-5600. This patch is the V2 of the previous https://lkml.org/lkml/2012/9/25/671 with corrections suggested by Linus Walleij. Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: Jerome Oufella <jerome.oufella@savoirfairelinux.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: pcf857x: use client->irq for gpio_to_irq()Kuninori Morimoto2012-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 6e20a0a429bd4dc07d6de16d9c247270e04e4aa0 (gpio: pcf857x: enable gpio_to_irq() support) added gpio_to_irq() support on pcf857x driver, but it used pdata->irq. This patch modifies driver to use client->irq instead of it. It modifies kzm9g board platform settings, and device probe information too. This patch is tested on kzm9g board Reported-by: Christian Engelmayer <christian.engelmayer@frequentis.com> Acked-by: Simon Horman <horms+renesas@verge.net.au> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: stmpe: Add DT support for stmpe gpioVipul Kumar Samar2012-12-01
| | | | | | | | | | | | | | | | | | | | | | This patch allows the STMPE GPIO driver to be successfully probed and initialised when Device Tree support is enabled. Bindings are mentioned in Documentation too. Acked-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Vipul Kumar Samar <vipulkumar.samar@st.com> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: pl061 depends on ARMAlessandro Rubini2012-12-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Commit dece904d (gpio: pl061: use chained_irq_* functions in irq handler) introduced chained_irq_enter/exit, which is only available for arch/arm and the driver won't compile elsewhere. The dependency is thus made explicit, because AMBA is used in the x86 world by a PCI-to-AMBA bridge, to be submitted. Signed-off-by: Alessandro Rubini <rubini@gnudd.com> Acked-by: Giancarlo Asnaghi <giancarlo.asnaghi@st.com> Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio/pl061: remove old commentBaruch Siach2012-11-30
| | | | | | | | | | | | | | | | | | | | Since 3ab524754 (gpio: pl061: convert to use generic irq chip) we only have one spinlock in struct pl061_gpio. Cc: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Baruch Siach <baruch@tkos.co.il> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
| * gpio: SPEAr: add spi chipselect control driverShiraz Hashim2012-11-17
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | SPEAr platform provides a provision to control chipselects of ARM PL022 Prime Cell spi controller through its system registers, which otherwise remains under PL022 control which some protocols do not want. This commit intends to provide the spi chipselect control in software over gpiolib interface. spi chip drivers can use the exported gpiolib interface to define their chipselect through DT or platform data. Cc: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Shiraz Hashim <shiraz.hashim@st.com> Reviewed-by: Vipin Kumar <vipin.kumar@st.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: gpio-max710x: Support device tree probingRoland Stigge2012-11-17
| | | | | | | | | | | | | | | | | | For probing via device tree, we need to support the case without platform_data. In this case, chip.base is set to -1 for automatic numbering. Signed-off-by: Roland Stigge <stigge@antcom.de> Acked-by: Wolfram Sang <w.sang@pengutronix.de> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: twl4030: Use only TWL4030_MODULE_LED for LED configurationPeter Ujfalusi2012-11-17
| | | | | | | | | | | | | | | | | | | | | | Avoid using the TWL4030_MODULE_PWMA/B as module ID. The LEDEN, PWMA ON/OFF and PWMB ON/OFF registers are in a continuous range starting from LED base. This is going to be helpful for further cleanup in the twl stack. No functional changes. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: tegra: read output value when gpio is set in direction_outLaxman Dewangan2012-11-17
| | | | | | | | | | | | | | | | | | | | Read the output value when gpio is set for the output mode for gpio_get_value(). Reading input value in direction out does not give correct value. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: pca953x: Add compatible strings to gpio-pca953x driverMaxime Ripard2012-11-17
| | | | | | | | | | | | | | | | Even though the device tree binding code was already written, the compatible strings were not yet in the driver. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: pca953x: Register an IRQ domainMaxime Ripard2012-11-17
| | | | | | | | | | | | | | | | The PCA953x used to register no IRQ domain, which made it impossible to use it as an interrupt-parent from the device tree. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: mvebu: Set free callback for gpio_chipAxel Lin2012-11-08
| | | | | | | | | | | | | | | | | | | | | | | | We call pinctrl_request_gpio() in request callback, thus we need to call pinctrl_free_gpio() in free callback. Both mvebu_gpio_request() and mvebu_gpio_free() are not referenced outside of this file, make them static. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: tegra: Drop exporting static functionsAxel Lin2012-11-08
| | | | | | | | | | | | | | | | | | Both tegra_gpio_enable() and tegra_gpio_disable() are static functions, it does not make sense to export them. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: tegra: Staticize non-exported symbolsAxel Lin2012-11-08
| | | | | | | | | | | | | | | | | | Both tegra_gpio_request() and tegra_gpio_free() are not referenced outside of this file, make them static. Signed-off-by: Axel Lin <axel.lin@ingics.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: tegra: fix suspend/resume apisLaxman Dewangan2012-11-08
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Following are changes done to fix the suspend/resume functionality of tegra gpio driver: - Protect suspend/resume callbacks with CONFIG_PM_SLEEP because CONFIG_PM doesn't actually enable any of the PM callbacks, it only allows to enable CONFIG_PM_SLEEP and CONFIG_PM_RUNTIME. This means if CONFIG_PM is used to protect system sleep callbacks then it may end up unreferenced if only runtime PM is enabled. - Fix the suspend/resume APIs declaration as per callback prototype. Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio-pch: Set parent dev for gpio chipAlexander Stein2012-11-04
| | | | | | | | | | | | | | | | This will show the gpio chip as a child node under /sys/bus/pci/devices/xxxx:xx:xx.x/ Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: em: Fix build errorsAxel Lin2012-11-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Fix below build errors: CC [M] drivers/gpio/gpio-em.o drivers/gpio/gpio-em.c: In function 'em_gio_probe': drivers/gpio/gpio-em.c:306: error: 'err' undeclared (first use in this function) drivers/gpio/gpio-em.c:306: error: (Each undeclared identifier is reported only once drivers/gpio/gpio-em.c:306: error: for each function it appears in.) drivers/gpio/gpio-em.c:308: error: label 'err3' used but not defined drivers/gpio/gpio-em.c:279: error: label 'err2' used but not defined drivers/gpio/gpio-em.c:265: error: label 'err1' used but not defined drivers/gpio/gpio-em.c:250: error: label 'err0' used but not defined drivers/gpio/gpio-em.c:309: warning: no return statement in function returning non-void drivers/gpio/gpio-em.c: At top level: drivers/gpio/gpio-em.c:311: error: expected identifier or '(' before 'if' drivers/gpio/gpio-em.c:317: error: expected identifier or '(' before 'if' drivers/gpio/gpio-em.c:323: warning: data definition has no type or storage class drivers/gpio/gpio-em.c:323: warning: type defaults to 'int' in declaration of 'ret' drivers/gpio/gpio-em.c:323: error: 'gpio_chip' undeclared here (not in a function) drivers/gpio/gpio-em.c:323: error: initializer element is not constant drivers/gpio/gpio-em.c:324: error: expected identifier or '(' before 'if' drivers/gpio/gpio-em.c:328: error: expected identifier or '(' before 'return' drivers/gpio/gpio-em.c:330: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token drivers/gpio/gpio-em.c:332: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token drivers/gpio/gpio-em.c:334: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token drivers/gpio/gpio-em.c:336: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token drivers/gpio/gpio-em.c:338: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token drivers/gpio/gpio-em.c:340: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token drivers/gpio/gpio-em.c:342: error: expected '=', ',', ';', 'asm' or '__attribute__' before ':' token drivers/gpio/gpio-em.c:344: error: expected identifier or '(' before '}' token drivers/gpio/gpio-em.c: In function 'em_gio_remove': drivers/gpio/gpio-em.c:361: error: implicit declaration of function 'em_gio_irq_domain_cleanup' make[2]: *** [drivers/gpio/gpio-em.o] Error 1 make[1]: *** [drivers/gpio] Error 2 make: *** [drivers] Error 2 Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * GPIO: clps711x: use platform_device_unregister in gpio_clps711x_init()Wei Yongjun2012-10-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | platform_device_unregister() only calls platform_device_del() and platform_device_put(), thus use platform_device_unregister() to simplify the code. Also the documents in platform.c shows that platform_device_del and platform_device_put must _only_ be externally called in error cases. All other usage is a bug. dpatch engine is used to auto generate this patch. (https://github.com/weiyj/dpatch) Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio/tc3589x: convert to use the simple irqdomainLinus Walleij2012-10-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The special checks for whether we have a base IRQ offset or not is surplus if we use the simple IRQ domain. The IRQ offset zero will be interpreted as a linear domain case. Plus this makes sure we allocate descriptors where need be, or warn if they are preallocated with SPARSE_IRQ. Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Rob Herring <rob.herring@calxeda.com> Cc: Lee Jones <lee.jones@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio/em: convert to linear IRQ domainLinus Walleij2012-10-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The code in the em driver seems to want to try to do the job of the linear IRQ domain (allocate descriptors and grab a virtual range). So why not just use the linear IRQ domain? The code is now cut down so we don't need isolated functions for this. Also note that we use irq_create_mapping() to make sure descriptors are allocated for these IRQs. Also fixed the FIXME to remove the domain after use. Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Magnus Damm <damm@opensource.se> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio/mvebu: convert to use irq_domain_add_simple()Linus Walleij2012-10-26
| | | | | | | | | | | | | | | | | | | | | | | | | | The MVEBU driver probably just wants a few IRQs. Using the simple domain has the upside of allocating IRQ descriptors if need be, especially in a SPARSE_IRQ environment. Cc: Rob Herring <rob.herring@calxeda.com> Cc: Grant Likely <grant.likely@secretlab.ca> Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Cc: Andrew Lunn <andrew@lunn.ch> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio/tegra: convert to use linear irqdomainLinus Walleij2012-10-26
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The Tegra driver tries to do the work of irq_domain_add_linear() by reserving a bunch of descriptors somewhere and keeping track of the base offset, then calling irq_domain_add_legacy(). Let's stop doing that and simply use the linear IRQ domain. For this to work: use irq_create_mapping() in the IRQ iterator so that the descriptors get allocated here. Cc: Rob Herring <rob.herring@calxeda.com> Cc: Grant Likely <grant.likely@secretlab.ca> Tested-by: Stephen Warren <swarren@nvidia.com> Acked-by: Stephen Warren <swarren@nvidia.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpiolib: unlock on error in gpio_export()Dan Carpenter2012-10-26
| | | | | | | | | | | | | | We need to unlock here before returning. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpiolib: add gpio get direction callback supportMathias Nyman2012-10-26
| | | | | | | | | | | | | | | | | | | | | | | | Add .get_direction callback to gpio_chip. This allows gpiolib to check the current direction of a gpio. Used to show the correct gpio direction in sysfs and debug entries. If callback is not set then gpiolib will work as previously; e.g. guessing everything is input until a direction is set. Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * GPIO: clps711x: Fix direction logic for PORTDAlexander Shiyan2012-10-26
| | | | | | | | | | | | | | | | PORTD have different direction logic, i.e. "0" is output and "1" is input. This patch fix this issue. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * GPIO: clps711x: Fix return value for gpio_clps711x_getAlexander Shiyan2012-10-24
| | | | | | | | | | Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpiolib: Refactor gpio_exportRyan Mallon2012-10-22
| | | | | | | | | | | | | | | | | | | | | | | | The gpio_export function uses nested if statements and the status variable to handle the failure cases. This makes the function logic difficult to follow. Refactor the code to abort immediately on failure using goto. This makes the code slightly longer, but significantly reduces the nesting and number of split lines and makes the code easier to read. Signed-off-by: Ryan Mallon <rmallon@gmail.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * GPIO: vt8500: Add extended gpio bank for WM8505/WM8650Tony Prisk2012-10-19
| | | | | | | | | | | | | | | | | | These SoC's have an extended bank of GPIO's seperate to the main GPIO block. This patch adds the additional 5 GPIO's located in this block which control I2C and PWMOUT. Signed-off-by: Tony Prisk <linux@prisktech.co.nz> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio: clps711x: delete local <mach/gpio.h> headerLinus Walleij2012-10-15
| | | | | | | | | | | | | | | | | | | | | | This header file is unused and we shall not add new headers to the <mach/*> namespace. The macro may be reintroduced when there is a user for it. Cc: Alexander Shiyan <shc_work@mail.ru> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * GPIO: Add support for GPIO on CLPS711X-target platformAlexander Shiyan2012-10-15
| | | | | | | | | | | | | | | | | | | | | | The CLPS711X CPUs provide some GPIOs for use in the system. This driver provides support for these via gpiolib. Due to platform limitations, driver does not support interrupts, only inputs and outputs. Signed-off-by: Alexander Shiyan <shc_work@mail.ru> Acked-by: Russell King <rmk+kernel@arm.linux.org.uk> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * DA9055 GPIO driverAshish Jangam2012-10-15
| | | | | | | | | | | | | | | | | | | | | | This is the GPIO patch for the DA9055 PMIC. This patch has got dependency on the DA9055 MFD core. This patch is functionally tested on SMDK6410 board. Signed-off-by: David Dajun Chen <dchen@diasemi.com> Signed-off-by: Ashish Jangam <ashish.jangam@kpitcummins.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio/gpio-omap: Use existing pointer to struct deviceTobias Klauser2012-10-15
| | | | | | | | | | | | | | | | | | A pointer to "pdev->dev" is already stored in "dev", so use it in devm_kzalloc. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Acked-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
| * gpio/gpio-pl061: Covert to use devm_* functionsTobias Klauser2012-10-15
| | | | | | | | | | | | | | | | Use the devm_* family of functions during probe to reduce the error handling code footprint. Signed-off-by: Tobias Klauser <tklauser@distanz.ch> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
* | Merge tag 'pm+acpi-for-3.8-rc1' of ↵Linus Torvalds2012-12-11
|\ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm Pull ACPI and power management updates from Rafael Wysocki: - Introduction of device PM QoS flags. - ACPI device power management update allowing subsystems other than PCI to use it more easily. - ACPI device enumeration rework allowing additional kinds of devices to be enumerated via ACPI. From Mika Westerberg, Adrian Hunter, Mathias Nyman, Andy Shevchenko, and Rafael J. Wysocki. - ACPICA update to version 20121018 from Bob Moore and Lv Zheng. - ACPI memory hotplug update from Wen Congyang and Yasuaki Ishimatsu. - Introduction of acpi_handle_<level>() messaging macros and ACPI-based CPU hot-remove support from Toshi Kani. - ACPI EC updates from Feng Tang. - cpufreq updates from Viresh Kumar, Fabio Baltieri and others. - cpuidle changes to quickly notice governor prediction failure from Youquan Song. - Support for using multiple cpuidle drivers at the same time and cpuidle cleanups from Daniel Lezcano. - devfreq updates from Nishanth Menon and others. - cpupower update from Thomas Renninger. - Fixes and small cleanups all over the place. * tag 'pm+acpi-for-3.8-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (196 commits) mmc: sdhci-acpi: enable runtime-pm for device HID INT33C6 ACPI: add Haswell LPSS devices to acpi_platform_device_ids list ACPI: add documentation about ACPI 5 enumeration pnpacpi: fix incorrect TEST_ALPHA() test ACPI / PM: Fix header of acpi_dev_pm_detach() in acpi.h ACPI / video: ignore BIOS initial backlight value for HP Folio 13-2000 ACPI : do not use Lid and Sleep button for S5 wakeup ACPI / PNP: Do not crash due to stale pointer use during system resume ACPI / video: Add "Asus UL30VT" to ACPI video detect blacklist ACPI: do acpisleep dmi check when CONFIG_ACPI_SLEEP is set spi / ACPI: add ACPI enumeration support gpio / ACPI: add ACPI support PM / devfreq: remove compiler error with module governors (2) cpupower: IvyBridge (0x3a and 0x3e models) support cpupower: Provide -c param for cpupower monitor to schedule process on all cores cpupower tools: Fix warning and a bug with the cpu package count cpupower tools: Fix malloc of cpu_info structure cpupower tools: Fix issues with sysfs_topology_read_file cpupower tools: Fix minor warnings cpupower tools: Update .gitignore for files created in the debug directories ...
| * \ Merge branch 'acpi-enumeration'Rafael J. Wysocki2012-12-10
| |\ \ | | | | | | | | | | | | | | | | * acpi-enumeration: mmc: sdhci-acpi: enable runtime-pm for device HID INT33C6
| | * | mmc: sdhci-acpi: enable runtime-pm for device HID INT33C6Adrian Hunter2012-12-10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | sdhci-acpi supports ACPI devices which have compatibility ID PNP0D40, however it is not possible to know if those devices will all work correctly with runtime-pm, so that must be configured per hardware ID. For INT33C6, several related quirks, capabilities and flags are set: MMC_CAP_NONREMOVABLE The SDIO card will never be removable SDHCI_ACPI_RUNTIME_PM Enable runtime-pm of the host controller MMC_CAP_POWER_OFF_CARD Enable runtime-pm of the SDIO card MMC_PM_KEEP_POWER SDIO card has the capability to remain powered up during system suspend SDHCI_QUIRK2_HOST_OFF_CARD_ON Always do a full reset during system resume because the card may be already initialized having not been powered off. Wake-ups from the INT33C6 host controller are not supported, so the following capability must *not* be set: MMC_PM_WAKE_SDIO_IRQ Enable wake on card interrupt Signed-off-by: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Chris Ball <cjb@laptop.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| * | | Merge branch 'acpi-general'Rafael J. Wysocki2012-12-07
| |\ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * acpi-general: pnpacpi: fix incorrect TEST_ALPHA() test ACPI / video: ignore BIOS initial backlight value for HP Folio 13-2000 ACPI : do not use Lid and Sleep button for S5 wakeup
| | * | | pnpacpi: fix incorrect TEST_ALPHA() testAlan Cox2012-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | TEST_ALPHA() is broken and always returns 0. [akpm@linux-foundation.org: return false for '@' as well, per Bjorn] Signed-off-by: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| | * | | ACPI / video: ignore BIOS initial backlight value for HP Folio 13-2000Zhang Rui2012-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Or else the laptop will boot with a dimmed screen. References: https://bugzilla.kernel.org/show_bug.cgi?id=51141 Tested-by: Stefan Nagy <public@stefan-nagy.at> Signed-off-by: Zhang Rui <rui.zhang@intel.com> Cc: <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| | * | | ACPI : do not use Lid and Sleep button for S5 wakeupZhang Rui2012-12-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When system enters power off, the _PSW of Lid device is enabled. But this may cause the system to reboot instead of power off. A proper way to fix this is to always disable lid wakeup capability for S5. References: https://bugzilla.kernel.org/show_bug.cgi?id=35262 Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| * | | | Merge branch 'acpi-enumeration'Rafael J. Wysocki2012-12-07
| |\ \ \ \ | | | |/ / | | |/| | | | | | | | | | | | | | | | | * acpi-enumeration: ACPI: add Haswell LPSS devices to acpi_platform_device_ids list ACPI: add documentation about ACPI 5 enumeration
| | * | | ACPI: add Haswell LPSS devices to acpi_platform_device_ids listMika Westerberg2012-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All devices behind Haswell LPSS (Low Power Subsystem) should be represented as platform devices so add them to the acpi_platform_device_ids list. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| | * | | ACPI: add documentation about ACPI 5 enumerationMika Westerberg2012-12-07
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Add a document that describes how to take advantage of ACPI enumeration for buses like platform, I2C and SPI. In addition to that we document how to translate ACPI GpioIo and GpioInt resources to be useful in Linux device drivers. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| * | | | Merge branch 'acpi-dev-pm'Rafael J. Wysocki2012-12-07
| |\ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | * acpi-dev-pm: ACPI / PM: Fix header of acpi_dev_pm_detach() in acpi.h
| | * | | | ACPI / PM: Fix header of acpi_dev_pm_detach() in acpi.hRafael J. Wysocki2012-12-05
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The header of acpi_dev_pm_detach() in include/linux/acpi.h has an incorrect return type, which should be void. Fix that. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| * | | | | Merge branch 'pm-devfreq'Rafael J. Wysocki2012-12-07
| |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * pm-devfreq: (23 commits) PM / devfreq: remove compiler error with module governors (2) PM / devfreq: Fix return value in devfreq_remove_governor() PM / devfreq: Fix incorrect argument in error message PM / devfreq: missing rcu_read_lock() added for find_device_opp() PM / devfreq: remove compiler error when a governor is module PM / devfreq: exynos4_bus.c: Fixed an alignment of the func call args. PM / devfreq: Add sysfs node to expose available governors PM / devfreq: allow sysfs governor node to switch governor PM / devfreq: governors: add GPL module license and allow module build PM / devfreq: map devfreq drivers to governor using name PM / devfreq: register governors with devfreq framework PM / devfreq: provide hooks for governors to be registered PM / devfreq: export update_devfreq PM / devfreq: Add sysfs node for representing frequency transition information. PM / devfreq: Add sysfs node to expose available frequencies PM / devfreq: documentation cleanups for devfreq header PM / devfreq: Use devm_* functions in exynos4_bus.c PM / devfreq: make devfreq_class static PM / devfreq: fix sscanf handling for writable sysfs entries PM / devfreq: kernel-doc typo corrections ...
| | * | | | | PM / devfreq: remove compiler error with module governors (2)MyungJoo Ham2012-11-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Governors compiled as modules may use these functions. Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
| | * | | | | Merge tag 'pull_req_20121126' of ↵Rafael J. Wysocki2012-11-26
| | |\ \ \ \ \ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq into pm-devfreq Pull devfreq changes from MyungJoo Ham. * tag 'pull_req_20121126' of git://git.kernel.org/pub/scm/linux/kernel/git/mzx/devfreq: PM / devfreq: Fix return value in devfreq_remove_governor() PM / devfreq: Fix incorrect argument in error message PM / devfreq: missing rcu_read_lock() added for find_device_opp() PM / devfreq: remove compiler error when a governor is module
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