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2014-09-26Documentation: support glibc versions without htole macrosPeter Foley
glibc 2.9 introduced the htole<16/32/64> macros, add them to tools/include to support older versions of glibc. Reported-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Peter Foley <pefoley2@pefoley.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-09-26v4l2-pci-skeleton: Only build if PCI is availableMark Brown
Currently arm64 does not support PCI but it does support v4l2. Since the PCI skeleton driver is built unconditionally as a module with no dependency on PCI this causes build failures for arm64 allmodconfig. Fix this by defining a symbol VIDEO_PCI_SKELETON for the skeleton and conditionalising the build on that. Signed-off-by: Mark Brown <broonie@linaro.org> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> [added VIDEO dependencies] Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-09-26Documentation: fix misc. warningsPeter Foley
Fix a few warnings that gcc emits during a default build. Signed-off-by: Peter Foley <pefoley2@pefoley.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-09-26Documentation: make functions static to avoid prototype warningsPeter Foley
Signed-off-by: Peter Foley <pefoley2@pefoley.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-09-26Documentation: add makefiles for more targetsPeter Foley
Add a bunch of previously unbuilt source files to the Documentation build machinery. Signed-off-by: Peter Foley <pefoley2@pefoley.com> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-09-26Documentation: use subdir-y to avoid unnecessary built-in.o filesPeter Foley
Change the Documentation makefiles from obj-m to subdir-y to avoid generating unnecessary built-in.o files since nothing in Documentation/ is ever linked in to vmlinux. Signed-off-by: Peter Foley <pefoley2@pefoley.com> Acked-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Randy Dunlap <rdunlap@infradead.org> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
2014-09-26gpiolib: irqchip: use irq_find_mapping while removing irqchipGrygorii Strashko
There is no guarantee that VIRQs will be allocated sequentially for gpio irqchip in gpiochip_irqchip_add(). Therefore, it's unsafe to dispose VIRQ in gpiochip_irqchip_remove() basing on index relatively to stored irq_base value. Hence, use irq_find_mapping for VIRQ finding in gpiochip_irqchip_remove() instead of irq_base + index. Reported-by: Wang, Yalin <Yalin.Wang@sonymobile.com> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-09-26pinctrl: qcom: use restart_notifier mechanism for ps_holdJosh Cartwright
By converting to the restart_notifier mechanism for restart, we allow for other mechanisms, like the watchdog, to be used for restart in the case where PS_HOLD has failed to reset the chip. Since this mechanism may be one of several mechanisms registered, change the post-ps_hold write timeout to be a more reasonable 1 second instead of 10 seconds. Choose priority 128, as according to documentation, this mechanism "is sufficient to restart the entire system". Tested-by: Pramod Gurav <pramod.gurav@smartplayin.com> Signed-off-by: Josh Cartwright <joshc@codeaurora.org> Acked-by: Bjorn Andersson <bjorn.andersson@sonymobile.com> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-09-26regulator: qcom_rpm: Fix FORCE_MODE_IS_2_BITS macroAxel Lin
Current code does not take the macro parameter, fix it. This is not a problem at this moment because the only user actually passes vreg to FORCE_MODE_IS_2_BITS(). Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-26regulator: qcom_rpm: Don't explicitly initialise the first field of configAxel Lin
Doing so generates a warning as the first field is a pointer but we use 0 to initialize it. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-26regulator: ltc3589: fix broken voltage transitionsSteffen Trumtrar
VCCR is used as a trigger to start voltage transitions, so we need to mark it volatile in order to make sure it gets written to hardware every time we set a new voltage. Fixes regulator voltage being stuck at the first voltage set after driver load. [lst: reworded commit message] Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de> Signed-off-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
2014-09-26kvm: Fix kvm_get_page_retry_io __gup retval checkAndres Lagar-Cavilla
Confusion around -EBUSY and zero (inside a BUG_ON no less). Reported-by: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Andres Lagar-Cavilla <andreslc@google.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-09-26ASoC: rt286: Fix sync functionBard Liao
We try to write index registers into cache when we write an index register, but we change the reg value before updating the cache. As a result, the cache is never be updated. This patch will fix this issue. Signed-off-by: Bard Liao <bardliao@realtek.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
2014-09-26ASoC: rt286: Correct default valueBard Liao
This patch corrects some incorrect default value in the cache. Signed-off-by: Bard Liao <bardliao@realtek.com> Signed-off-by: Mark Brown <broonie@kernel.org> Cc: stable@vger.kernel.org
2014-09-26spi: bcm53xx: Add missing module informationAxel Lin
Mainly to fix missing MODULE_LICENSE. Also add MODULE_DESCRIPTION and MODULE_AUTHOR. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-26spi: bcm53xx: Fix module dependencyAxel Lin
config SPI_BCM53XX needs to depend on BCMA_POSSIBLE and select BCMA. This fixes below build error: ERROR: "bcma_driver_unregister" [drivers/spi/spi-bcm53xx.ko] undefined! ERROR: "__bcma_driver_register" [drivers/spi/spi-bcm53xx.ko] undefined! Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Mark Brown <broonie@kernel.org>
2014-09-26ipr: fix compile failureChristoph Hellwig
Fix a typo in the IPR_IOASC_HW_CMD_FAILED declaration. Based on a patch from Wen Xiong <wenxiong@linux.vnet.ibm.com>. Signed-off-by: Christoph Hellwig <hch@lst.de>
2014-09-26MAINTAINERS: Adds Andreas Werner to maintainers list for MEN F21BMCAndreas Werner
Added maintainer for the following MEN F21BMC drivers: - menf21bmc (MFD) - menf21bmc_wdt (Watchdog) - menf21bmc_hwmon (HWMON) - leds-menf21bmc (LED) Signed-off-by: Andreas Werner <andreas.werner@men.de> Acked-by: Guenter Roeck <linux@roeck-us.net> Acked-by: Bryan Wu <cooloney@gmail.com> Acked-by: Wim Van Sebroeck <wim@iguana.be> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: arizona: Correct mask to allow setting micbias external capCharles Keepax
Currently the mask for the external capacitor bit is missing when writing the MICBIAS config meaning it will never be set this patch fixes this. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: Add ACPI supportMika Westerberg
If an MFD device is backed by ACPI namespace, we should allow subdevice drivers to access their corresponding ACPI companion devices through normal means (e.g using ACPI_COMPANION()). This patch adds such support to the MFD core. If the MFD parent device does not specify any ACPI _HID/_CID for the child device, the child device will share the parent ACPI companion device. Otherwise the child device will be assigned with the corresponding ACPI companion, if found in the namespace below the parent. Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Darren Hart <dvhart@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26Revert "mfd: wm5102: Manually apply register patch"Charles Keepax
This reverts commit d9d03496f6f904a3588bdb8b215853bc4e50132c. It seems this commit was applied twice, once through ASoC and once through MFD: commit 4c9bb8bc352a14c9613c77bc3f1e9038cd086b9b mfd: wm5102: Manually apply register patch commit d9d03496f6f904a3588bdb8b215853bc4e50132c mfd: wm5102: Manually apply register patch This has lead to a small piece of duplicate code. It is harmless hence how it has gone unoticed for so long. This patch reverts one of the two commits removing the unneeded code. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: ti_am335x_tscadc: Update logic in CTRL register for 5-wire TSJeff Lance
The logic in AFE_Pen_Ctrl bitmask in the CTRL register is different for five wire versus four or eight wire touschscreens. This patch should fix this for five-wire touch screens. There should be no change needed here for four and eight wire tousch screens. Signed-off-by: Jeff Lance <j-lance1@ti.com> [bigeasy: keep the change mfd only] Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: dt-bindings: atmel-gpbr: Rename doc file to conform to naming conventionLee Jones
Cc: boris.brezillon@free-electrons.com Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: dt-bindings: qcom-pm8xxx: Rename doc file to conform to naming conventionLee Jones
Cc: Stanimir Varbanov <svarbanov@mm-sol.com> Cc: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: Inherit coherent_dma_mask from parent deviceBoris BREZILLON
dma_mask and dma_parms are already inherited from the parent device but dma_coherent_mask was left uninitialized (set to zero thanks to kzalloc). Set sub-device coherent_dma_mask to its parent value to simplify sub-drivers making use of dma coherent helper functions (those drivers currently have to explicitly set the dma coherent mask using dma_set_coherent_mask function). Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: Document DT bindings for Qualcomm SPMI PMICsStanimir Varbanov
Document DT bindings used to describe the Qualcomm SPMI PMICs. Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: Add support for Qualcomm SPMI PMICsJosh Cartwright
The Qualcomm SPMI PMIC chips are components used with the Snapdragon 800 series SoC family. This driver exists largely as a glue mfd component, it exists to be an owner of an SPMI regmap for children devices described in device tree. Signed-off-by: Josh Cartwright <joshc@codeaurora.org> Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: dt-bindings: pm8xxx: Add new compatible stringStanimir Varbanov
The rtc driver now supports PM8941 PMIC device, reflect this in the binding document. Signed-off-by: Stanimir Varbanov <svarbanov@mm-sol.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: axp209x: Drop the parent supplies fieldMaxime Ripard
Now that the regulator code get its parent supplies purely from the DT, we can drop the parent supplies resources in the MFD driver. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: twl4030-power: Use 'ti,system-power-controller' as alternative way to ↵Nishanth Menon
support system power off ti,system-power-controller is more or less the standard way of indicating that the PMIC is the system wide power controller and hence may be used to switch off the system. Almost ALL TI PMIC drivers and many Maxim PMIC drivers follow the same style. So support 'ti,system-power-controller' in addition to the usual 'ti,use_poweroff' to indicate that the PMIC instance has control for switching off the system. Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: dt-bindings: twl4030-power: Use the standard property to mark power controlNishanth Menon
ti,system-power-controller is more or less the standard way of indicating that the PMIC is the system wide power controller and hence may be used to switch off the system. Almost ALL TI PMIC drivers and many Maxim PMIC drivers follow the same style. So support 'ti,system-power-controller' in addition to the usual 'ti,use_poweroff' to indicate that the PMIC instance has control for switching off the system. Signed-off-by: Nishanth Menon <nm@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: syscon: Add Atmel GPBR DT bindings documentionBoris BREZILLON
The GPBR block provides a set of battery-backed registers that can be used to save data which need to be kept when the system is powered down and VDD-core is maintained by an external battery. A typical usage is the RTT block (when used as an RTC) which needs one of those registers to save the current time. Signed-off-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Johan Hovold <johan@kernel.org> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: rk808: Add register cachingDoug Anderson
Let's define the voltatile registers (those that can't be cached) and enable caching. The rk808 is accessed almost constantly with cpufreq so this is really nice. As measured by ftrace: before this change: cpu0_set_target() => ~2200us after this change: cpu0_set_target() => ~500us Signed-off-by: Doug Anderson <dianders@chromium.org> Reviewed-by: Chris Zhong <zyw@rock-chips.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: arizona: Use handle_simple_irq for IRQ dispatch chipCharles Keepax
We use a dummy IRQ chip to dispatch interrupts to the two seperate IRQ domains on the Arizona devices. This is just a simple software IRQ chip and thus the current handle_edge_irq is unnecessary for its needs. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: max14577: Don't pass IRQ domain to mfd_add_devicesKrzysztof Kozlowski
The max14577 MFD cells do not have any resources so the IRQ domain passed to mfd_add_devices is not used. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: stmpe: Document DT binding for irq_over_gpioSean Cross
STMPE now supports using a GPIO as an IRQ source. Document the device tree binding for this option. Signed-off-by: Sean Cross <xobs@kosagi.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: stmpe: Support gpio over irq under device treeSean Cross
The stmpe_platform_data has a irq_over_gpio field, which allows the system to read STMPE events whenever an IRQ occurs on a GPIO pin. This patch adds the ability to configure this field and to use a GPIO as an IRQ source for boards configuring the STMPE in device tree. Signed-off-by: Sean Cross <xobs@kosagi.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: intel_soc_pmic: Add CONFIG_PM_SLEEP check for suspend_fn/resume_fnJaewon Kim
This patch fix warning message with CONFIG_PM_SLEEP disabled If CONFIG_PM_SLEEP is not enabled we receive the following warning message: drivers/mfd/intel_soc_pmic_core.c:118:12: warning: 'intel_soc_pmic_suspend' defined but not used Signed-off-by: Jaewon Kim <jaewon02.kim@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: rtsx_pcr: Fix MSI enable error handlingChris Ball
pci_enable_msi() can return failure with both positive and negative integers -- it returns 0 for success -- but is only tested here for "if (ret < 0)". This causes us to try to use MSI on the RTS5249 SD reader in the Dell XPS 11 when enabling MSI failed, causing: [ 1.737110] rtsx_pci: probe of 0000:05:00.0 failed with error -110 Cc: stable <stable@vger.kernel.org> Reported-by: D. Jared Dominguez <Jared_Dominguez@Dell.com> Tested-by: D. Jared Dominguez <Jared_Dominguez@Dell.com> Signed-off-by: Chris Ball <chris@printf.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: ti_am335x_tscadc: Fix TSC resumeSebastian Andrzej Siewior
In the resume path, the ADC invokes am335x_tsc_se_set_cache() with 0 as the steps argument if continous mode is not in use. This in turn disables all steps and so the TSC is not working until one ADC sampling is performed. This patch fixes it by writing the current cached mask instead of the passed steps. Fixes: 7ca6740cd1cd ("mfd: input: iio: ti_amm335x: Rework TSC/ADCA synchronization") Cc: stable@vger.kernel.org # v3.13+ Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: tps65217: Tell regmap what registers are validMark Brown
Allow regmap to provide debugfs access to the register map by telling it what registers are valid. Signed-off-by: Mark Brown <broonie@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: mc13xxx: Configure WDI resetMarkus Pargmann
Setup the PMIC to make a restart when a watchdog interrupt occures. If this is not configured, the PMIC will shut down the power supply without a restart. Signed-off-by: Markus Pargmann <mpa@pengutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: pcf50633: Use sprintf directlyAndy Shevchenko
When dump a content of the registers let's use snprintf() directly with %*ph specifier. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: Add HI6421 PMIC Core driverGuodong Xu
This adds driver to support HiSilicon Hi6421 PMIC. Hi6421 includes multi- functions, such as regulators, codec, ADCs, Coulomb counter, etc. This driver includes core APIs _only_. Drivers for individul components, like voltage regulators, are implemented in corresponding driver directories and files. Registers in Hi6421 are memory mapped, so using regmap-mmio API. Signed-off-by: Guodong Xu <guodong.xu@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: dt-bindings: Add Device Tree bindings for HI6421Guodong Xu
Add documentation for HiSilicon Hi6421 PMIC DT binding. Signed-off-by: Guodong Xu <guodong.xu@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: lpc_sch: Remove FSF addressAndy Shevchenko
This patch removes FSF address because it can be changed. While here, update the copyright lines by adding Intel Corp. to them. There is no functional change. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: lpc_sch: Add support for Intel Quark X1000Andy Shevchenko
Intel Quark X1000 SoC supports IRQ based GPIO. This patch will enable MFD support for Quark X1000 and provide IRQ resources to Quark X1000 GPIO device driver. Signed-off-by: Chang Rebecca Swee Fun <rebecca.swee.fun.chang@intel.com> Tested-by: Chang Rebecca Swee Fun <rebecca.swee.fun.chang@intel.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26pci_ids: Add support for Intel Quark ILBJosef Ahmad
This patch adds the PCI id for Intel Quark ILB. It will be used for GPIO and Multifunction device driver. Signed-off-by: Josef Ahmad <josef.ahmad@intel.com> Acked-by: Bjorn Helgaas <bhelgaas@google.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: lpc_sch: Reduce duplicate code and improve manageabilityAndy Shevchenko
This patch refactors the driver to use helper functions instead of copy'n'pasted pieces of code. It also introduces an additional struct to hold a chipset info. The chipset info will be used to store features that are supported by specific processor or chipset. LPC_SCH supports SMBUS, GPIO and WDT features. As this code base might expand further to support more processors, this implementation will help to keep code base clean and manageable. The patch is partially based on the work done by Chang Rebecca Swee Fun. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Chang Rebecca Swee Fun <rebecca.swee.fun.chang@intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2014-09-26mfd: RK808: Add new mfd driver for RK808Chris Zhong
The RK808 chip is a power management IC for multimedia and handheld devices. It contains the following components: - Regulators - RTC - Clkout The RK808 core driver is registered as a platform driver and provides communication through I2C with the host device for the different components. Signed-off-by: Chris Zhong <zyw@rock-chips.com> Signed-off-by: Zhang Qing <zhangqing@rock-chips.com> Tested-by: Heiko <heiko@sntech.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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