- 09 May, 2016 28 commits
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Colin Ian King authored
fix spelling mistake, beetween -> between Signed-off-by:
Colin Ian King <colin.king@canonical.com> Acked-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
Lee Jones <lee.jones@linaro.org>
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Arnd Bergmann authored
The MFD_VEXPRESS_SYSREG driver selects CLKSRC_MMIO, which in turn conflicts with ARCH_USES_GETTIMEOFFSET, causing a harmless Kconfig warning when it is set: warning: (ARCH_MVEBU && ARCH_DIGICOLOR && ARCH_GEMINI && ARCH_KEYSTONE && ARCH_MOXART && ARCH_MXS && PLAT_SPEAR && ARCH_SUNXI && ARCH_TEGRA && ARCH_U300 && PLAT_ORION && ARCH_CLPS711X && ARCH_EP93XX && ARCH_NETX && ARCH_IXP4XX && ARCH_KS8695 && ARCH_W90X900 && ARCH_PXA && ARCH_SA1100 && ARCH_OMAP1 && ARCH_BCM_IPROC && ARCH_INTEGRATOR_AP && ARCH_OMAP2PLUS && MFD_VEXPRESS_SYSREG) selects CLKSRC_MMIO which has unmet direct dependencies (!ARCH_USES_GETTIMEOFFSET) This was apparently hidden by the fact that no ARM platform that still sets ARCH_USES_GETTIMEOFFSET has gpiolib support, and we already have a dependency on GPIOLIB that I added a while ago. However, after 296ad4ac ("gpio: remove deps on ARCH_[WANT_OPTIONAL|REQUIRE]_GPIOLIB"), any platform can enable CONFIG_GPIOLIB, and that lets us enable MFD_VEXPRESS_SYSREG as well. This adds an explicit dependency on !ARCH_USES_GETTIMEOFFSET to guarantee that we can enable the CLKSRC_MMIO driver without getting warnings. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Acked-by:
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Laxman Dewangan authored
The MAXIM PMIC MAX77620 and MAX20024 are power management IC which supports RTC, GPIO, DCDC/LDO regulators, interrupt, watchdog etc. Add DT binding document for the different functionality of this device. Signed-off-by:
Laxman Dewangan <ldewangan@nvidia.com> Acked-by:
Rob Herring <robh@kernel.org> Signed-off-by:
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Laxman Dewangan authored
MAX77620/MAX20024 are Power Management IC from the MAXIM. It supports RTC, multiple GPIOs, multiple DCDC and LDOs, watchdog, clock etc. Add MFD drier to provides common support for accessing the device; additional drivers is developed on respected subsystem in order to use the functionality of the device. Signed-off-by:
Mallikarjun Kasoju <mkasoju@nvidia.com> Reviewed-by:
Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by:
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Charles Keepax authored
Add defines for the possible values the GPSW can be set to using the wlf,gpsw device tree binding. Signed-off-by:
Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by:
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Roger Quadros authored
We shouldn't be calling clk_prepare_enable()/clk_prepare_disable() in an atomic context. Fixes the following issue: [ 5.830970] ehci-omap: OMAP-EHCI Host Controller driver [ 5.830974] driver_register 'ehci-omap' [ 5.895849] driver_register 'wl1271_sdio' [ 5.896870] BUG: scheduling while atomic: udevd/994/0x00000002 [ 5.896876] 4 locks held by udevd/994: [ 5.896904] #0: (&dev->mutex){......}, at: [<c049597c>] __driver_attach+0x60/0xac [ 5.896923] #1: (&dev->mutex){......}, at: [<c049598c>] __driver_attach+0x70/0xac [ 5.896946] #2: (tll_lock){+.+...}, at: [<c04c2630>] omap_tll_enable+0x2c/0xd0 [ 5.896966] #3: (prepare_lock){+.+...}, at: [<c05ce9c8>] clk_prepare_lock+0x48/0xe0 [ 5.897042] Modules linked in: wlcore_sdio(+) ehci_omap(+) dwc3_omap snd_soc_ts3a225e leds_is31fl319x bq27xxx_battery_i2c tsc2007 bq27xxx_battery bq2429x_charger ina2xx tca8418_keypad as5013 leds_tca6507 twl6040_vibra gpio_twl6040 bmp085_i2c(+) palmas_gpadc usb3503 palmas_pwrbutton bmg160_i2c(+) bmp085 bma150(+) bmg160_core bmp280 input_polldev snd_soc_omap_mcbsp snd_soc_omap_mcpdm snd_soc_omap snd_pcm_dmaengine [ 5.897048] Preemption disabled at:[< (null)>] (null) [ 5.897051] [ 5.897059] CPU: 0 PID: 994 Comm: udevd Not tainted 4.6.0-rc5-letux+ #233 [ 5.897062] Hardware name: Generic OMAP5 (Flattened Device Tree) [ 5.897076] [<c010e714>] (unwind_backtrace) from [<c010af34>] (show_stack+0x10/0x14) [ 5.897087] [<c010af34>] (show_stack) from [<c040aa7c>] (dump_stack+0x88/0xc0) [ 5.897099] [<c040aa7c>] (dump_stack) from [<c020c558>] (__schedule_bug+0xac/0xd0) [ 5.897111] [<c020c558>] (__schedule_bug) from [<c06f3d44>] (__schedule+0x88/0x7e4) [ 5.897120] [<c06f3d44>] (__schedule) from [<c06f46d8>] (schedule+0x9c/0xc0) [ 5.897129] [<c06f46d8>] (schedule) from [<c06f4904>] (schedule_preempt_disabled+0x14/0x20) [ 5.897140] [<c06f4904>] (schedule_preempt_disabled) from [<c06f64e4>] (mutex_lock_nested+0x258/0x43c) [ 5.897150] [<c06f64e4>] (mutex_lock_nested) from [<c05ce9c8>] (clk_prepare_lock+0x48/0xe0) [ 5.897160] [<c05ce9c8>] (clk_prepare_lock) from [<c05d0e7c>] (clk_prepare+0x10/0x28) [ 5.897169] [<c05d0e7c>] (clk_prepare) from [<c04c2668>] (omap_tll_enable+0x64/0xd0) [ 5.897180] [<c04c2668>] (omap_tll_enable) from [<c04c1728>] (usbhs_runtime_resume+0x18/0x17c) [ 5.897192] [<c04c1728>] (usbhs_runtime_resume) from [<c049d404>] (pm_generic_runtime_resume+0x2c/0x40) [ 5.897202] [<c049d404>] (pm_generic_runtime_resume) from [<c049f180>] (__rpm_callback+0x38/0x68) [ 5.897210] [<c049f180>] (__rpm_callback) from [<c049f220>] (rpm_callback+0x70/0x88) [ 5.897218] [<c049f220>] (rpm_callback) from [<c04a0a00>] (rpm_resume+0x4ec/0x7ec) [ 5.897227] [<c04a0a00>] (rpm_resume) from [<c04a0f48>] (__pm_runtime_resume+0x4c/0x64) [ 5.897236] [<c04a0f48>] (__pm_runtime_resume) from [<c04958dc>] (driver_probe_device+0x30/0x70) [ 5.897246] [<c04958dc>] (driver_probe_device) from [<c04959a4>] (__driver_attach+0x88/0xac) [ 5.897256] [<c04959a4>] (__driver_attach) from [<c04940f8>] (bus_for_each_dev+0x50/0x84) [ 5.897267] [<c04940f8>] (bus_for_each_dev) from [<c0494e40>] (bus_add_driver+0xcc/0x1e4) [ 5.897276] [<c0494e40>] (bus_add_driver) from [<c0496914>] (driver_register+0xac/0xf4) [ 5.897286] [<c0496914>] (driver_register) from [<c01018e0>] (do_one_initcall+0x100/0x1b8) [ 5.897296] [<c01018e0>] (do_one_initcall) from [<c01c7a54>] (do_init_module+0x58/0x1c0) [ 5.897304] [<c01c7a54>] (do_init_module) from [<c01c8a3c>] (SyS_finit_module+0x88/0x90) [ 5.897313] [<c01c8a3c>] (SyS_finit_module) from [<c0107120>] (ret_fast_syscall+0x0/0x1c) [ 5.912697] ------------[ cut here ]------------ [ 5.912711] WARNING: CPU: 0 PID: 994 at kernel/sched/core.c:2996 _raw_spin_unlock+0x28/0x58 [ 5.912717] DEBUG_LOCKS_WARN_ON(val > preempt_count()) Cc: <stable@vger.kernel.org> Reported-by:H. Nikolaus Schaller <hns@goldelico.com> Tested-by:
Roger Quadros <rogerq@ti.com> Signed-off-by:
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Richard Fitzgerald authored
Some of the bits in this register can be changed by the codec so we must mark it volatile. Signed-off-by:
Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by:
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Michael Haas authored
As a counterpart to the usb power_supply cell, this commit adds an AC power_supply cell to the axp20x driver. Still missing are the RTC backup battery and the main battery charger cells. Signed-off-by:
Michael Haas <haas@computerlinguist.org> Acked-by:
Chen-Yu Tsai <wens@csie.org> Signed-off-by:
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Ville Syrjälä authored
GPIO lookup tables are supposed to be zero terminated. Let's do that and avoid accidentally walking off the end. Cc: stable@vger.kernel.org Fixes: 61dd2ca2 ("mfd: intel_soc_pmic_core: Add lookup table for Panel Control as GPIO signal") Signed-off-by:
Ville Syrjälä <ville.syrjala@linux.intel.com> Acked-by:
Daniel Vetter <daniel@ffwll.ch> Signed-off-by:
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Laxman Dewangan authored
Use devm_mfd_add_devices() for MFD devices registration and get rid of .remove callback to remove MFD child-devices. This is done by managed device framework. Signed-off-by:
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Laxman Dewangan authored
Use devm_mfd_add_devices() for adding MFD child devices and devm_regmap_add_irq_chip() for IRQ chip registration. This reduces the error code path and .remove callback for removing MFD child devices and deleting IRQ chip data. Signed-off-by:
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Laxman Dewangan authored
Use devm_mfd_add_devices() for adding MFD child devices and devm_regmap_add_irq_chip() for IRQ chip registration. This reduces the error code path and .remove callback for removing MFD child devices and deleting IRQ chip data. Signed-off-by:
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Laxman Dewangan authored
Use devm_mfd_add_devices() for adding MFD child devices and devm_request_threaded_irq() for IRQ registration. This reduces the need of remove callback for removing MFD child devices and unregistering IRQ. Signed-off-by:
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Laxman Dewangan authored
Use devm_mfd_add_devices() for adding MFD child devices and devm_regmap_add_irq_chip() for IRQ chip registration. This reduces the error code path and .remove callback for removing MFD child devices and deleting IRQ chip data. Signed-off-by:
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Laxman Dewangan authored
Use devm_mfd_add_devices() for adding MFD child devices and devm_regmap_add_irq_chip() for IRQ chip registration. This reduces the error code path and .remove callback for removing MFD child devices and deleting IRQ chip data. Signed-off-by:
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Javier Martinez Canillas authored
The driver's file path in the comment is wrong, so just remove it since these tends to get out of date and they serve very little purpose. Suggested-by:
Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by:
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Chen-Yu Tsai authored
Add an entry for X-Powers AXP family PMIC drivers and list myself as maintainer. Signed-off-by:
Maxime Ripard <maxime.ripard@free-electrons.com> Signed-off-by:
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Laxman Dewangan authored
SMSC MFD driver does not add any MFD child devices via mfd_add_devices() and hence it is not required to call mfd_remove_devices() to remove MFD child devices. Remove the call of the API mfd_remove_devices() which will result as remove of .remove callback for driver. Signed-off-by:
Sourav Poddar <sourav.poddar@ti.com> Signed-off-by:
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Javier Martinez Canillas authored
The IS_ENABLED() macro checks if a Kconfig symbol has been enabled either built-in or as a module, use that macro instead of open coding the same. Signed-off-by:
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Javier Martinez Canillas authored
The clk32k clock is prepared and enabled in twl6040_power() but the clock is left enabled in case of an error while it should be disable/unprepared. Signed-off-by:
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Javier Martinez Canillas authored
The clk_prepare_enable() function can fail so check the return value and propagate the error in case of a failure. Signed-off-by:
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Mark Brown authored
This driver makes no use of linux/regulator/driver.h which should only be used by drivers implementing a regulator. Since it's unlikely to ever need anything from there remove the include. Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Stephen Boyd authored
This flag is a no-op now (see commit 47b0eeb3 "clk: Deprecate CLK_IS_ROOT", 2016-02-02) so remove it. Acked-by:
Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by:
Stephen Boyd <sboyd@codeaurora.org> Signed-off-by:
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Stephen Boyd authored
This flag is a no-op now (see commit 47b0eeb3 "clk: Deprecate CLK_IS_ROOT", 2016-02-02) so remove it. Acked-by:
Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by:
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Heikki Krogerus authored
All configurations are lost and the registers will have default values when the hardware is suspended and resumed, so saving the private register space context on suspend, and restoring it on resume. Fixes: 4b45efe8 (mfd: Add support for Intel Sunrisepoint LPSS devices) Cc: stable@vger.kernel.org # v4.3+ Signed-off-by:
Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by:
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Dan Carpenter authored
There was a static checker warning in wm8400_reg_read() because we were returning u16 and that can't hold the negative error codes. The function isn't used, so let's just delete it. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
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Charles Keepax authored
Since this commit: commit b9a8a271 ("mfd: make mfd_remove_devices() iterate in reverse order") The order in which the MFD children remove has been reversed, as our driver contains some dependencies between the devices we need to make some changes to ensure the driver unloads cleanly. Signed-off-by:
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Henry Chen authored
Some sub driver like RTC module need irq domain from parent to create irq mapping when driver initialize. so move mt6397_irq_init() before mfd_add_devices(). Acked-by:
John Crispin <blogic@openwrt.org> Signed-off-by:
Henry Chen <henryc.chen@mediatek.com> Signed-off-by:
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- 19 Apr, 2016 12 commits
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Brian Norris authored
There are platforms using the ChromeOS embeded controller on ARM64 now, so let's allow using this driver (without having to use COMPILE_TEST). Signed-off-by:
Brian Norris <briannorris@chromium.org> Reviewed-by:
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Javier Martinez Canillas authored
The driver's init and exit function don't do anything besides adding and deleting the I2C driver so the module_i2c_driver() macro could be used. Currently is not being used because the driver is initialized at subsys initcall level, claiming that this is done to allow consumers devices to use the resources provided by this driver. But dependencies are in DT so manual ordering of init calls is not necessary any more. Signed-off-by:
Andi Shyti <andi.shyti@samsung.com> Signed-off-by:
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Krzysztof Kozlowski authored
Correct smasung.com into samsung.com. Signed-off-by:
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Linus Walleij authored
We're planning to remove the gpiochip_add() function to swith to gpiochip_add_data() with NULL for data argument. Signed-off-by:
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Linus Walleij authored
This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Signed-off-by:
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Linus Walleij authored
This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Signed-off-by:
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Linus Walleij authored
This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Cc: Dmitry Baryshkov <dbaryshkov@gmail.com> Signed-off-by:
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Linus Walleij authored
This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Cc: Ben Dooks <ben@fluff.org.uk> Signed-off-by:
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Linus Walleij authored
This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Signed-off-by:
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Linus Walleij authored
This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Acked-by:
Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by:
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Linus Walleij authored
We're planning to remove the gpiochip_add() function to swith to gpiochip_add_data() with NULL for data argument. Signed-off-by:
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Linus Walleij authored
This makes the driver use the data pointer added to the gpio_chip to store a pointer to the state container instead of relying on container_of(). Cc: Paul Parsons <lost.distance@yahoo.com> Signed-off-by:
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