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2016-11-29mfd: rn5t618: Add Ricoh RC5T619 PMIC supportPierre-Hugues Husson
The Ricoh RN5T567 is from the same family as the Ricoh RN5T618 is, the differences are: + DCDC4/DCDC5 + LDO7-10 + Slightly different output voltage/currents + 32kHz Output + RTC + USB Charger detection Signed-off-by: Pierre-Hugues Husson <phh@phh.me> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: axp20x: Add address extension registers for AXP806 regmapChen-Yu Tsai
The AXP806 supports either master/standalone or slave mode. Slave mode allows sharing the serial bus, even with multiple AXP806 which all have the same hardware address. This is done with extra "serial interface address extension", or AXP806_BUS_ADDR_EXT, and "register address extension", or AXP806_REG_ADDR_EXT, registers. The former is read-only, with 1 bit customizable at the factory, and 1 bit depending on the state of an external pin. The latter is writable. Only when the these device addressing bits (in the upper 4 bits of the registers) match, will the device respond to operations on its other registers. Add these 2 registers to the regmap so we can access them. Signed-off-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: intel_soc_pmic_bxtwc: Fix a typo in MODULE_DEVICE_TABLE()Wei Yongjun
Fix a typo in MODULE_DEVICE_TABLE(). 'pmic_acpi_ids' should be 'bxtwc_acpi_ids'. Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: core: Fix device reference leak in mfd_clone_cellJohan Hovold
Make sure to drop the reference taken by bus_find_device_by_name() before returning from mfd_clone_cell(). Fixes: a9bbba996302 ("mfd: add platform_device sharing support for mfd") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: bcm590xx: Simplify a testChristophe JAILLET
'i2c_new_dummy()' does not return an error pointer, so the test can be simplified to be more consistent. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: sun4i-gpadc: Select regmap-irqArnd Bergmann
The new sun4i mfd driver is lacking a dependency, triggering very rarely int randconfig kernel builds: drivers/mfd/sun4i-gpadc.o: In function `sun4i_gpadc_probe': sun4i-gpadc.c:(.text.sun4i_gpadc_probe+0x110): undefined reference to `devm_regmap_add_irq_chip' This adds a 'select REGMAP_IRQ', as the other drivers with this problem do. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: abx500-core: drop unused MODULE_ tags from non-modular codePaul Gortmaker
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config ABX500_CORE drivers/mfd/Kconfig: bool "ST-Ericsson ABX500 Mixed Signal Circuit register functions" ...meaning that it currently is not being built as a module by anyone. Lets remove the couple traces of modular infrastructure use, so that when reading the driver there is no doubt it is builtin-only. We delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. We replace module.h with init.h and export.h ; the latter since the file does export some symbols. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: ab8500: make sysctrl explicitly non-modularPaul Gortmaker
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB8500_CORE drivers/mfd/Kconfig: bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" ...meaning that it currently is not being built as a module by anyone. Lets remove the couple traces of modular infrastructure use, so that when reading the driver there is no doubt it is builtin-only. We also delete the MODULE_LICENSE tag etc. since all that information was (or is now) contained at the top of the file in the comments. We replace module.h with init.h and export.h -- the latter since the file does make use of EXPORT_SYMBOL. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: ab8500-gpadc: Make it explicitly non-modularPaul Gortmaker
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB8500_GPADC drivers/mfd/Kconfig: bool "ST-Ericsson AB8500 GPADC driver" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. Since module_init was not in use by this code, the init ordering remains unchanged with this commit. We also delete the MODULE_LICENSE tag etc. since all that information was (or is now) contained at the top of the file in the comments. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: ab8500-debugfs: Make it explicitly non-modularPaul Gortmaker
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB8500_DEBUG drivers/mfd/Kconfig: bool "Enable debug info via debugfs" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. We explicitly disallow a driver unbind, since that doesn't have a sensible use case anyway, and it allows us to drop the ".remove" code for non-modular drivers. Since module_init was not in use by this code, the init ordering remains unchanged with this commit. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: ab8500-core: Make it explicitly non-modularPaul Gortmaker
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB8500_CORE drivers/mfd/Kconfig: bool "ST-Ericsson AB8500 Mixed Signal Power Management chip" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. We explicitly disallow a driver unbind, since that doesn't have a sensible use case anyway, and it allows us to drop the ".remove" code for non-modular drivers. Since module_init was not in use by this code, the init ordering remains unchanged with this commit. We replace module.h with moduleparam.h ; the latter since this file was implicitly relying on getting it. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: ab3100-core: Make it explicitly non-modularPaul Gortmaker
The Kconfig currently controlling compilation of this code is: drivers/mfd/Kconfig:config AB3100_CORE drivers/mfd/Kconfig: bool "ST-Ericsson AB3100 Mixed Signal Circuit core functions" ...meaning that it currently is not being built as a module by anyone. Lets remove the modular code that is essentially orphaned, so that when reading the driver there is no doubt it is builtin-only. In doing so, the debugfs unregister fcn becomes unused so we remove it too. We explicitly disallow a driver unbind, since that doesn't have a sensible use case anyway, and it allows us to drop the ".remove" code for non-modular drivers. Since module_init was not in use by this code, the init ordering remains unchanged with this commit. Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code. We also delete the MODULE_LICENSE tag etc. since all that information is already contained at the top of the file in the comments. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: si476x-i2c: Fix spelling mistakes "Failet" and "gett"Colin Ian King
Trivial spelling mistake fixes in dev_err message. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: arizona: Use irq_find_mapping when appropriateCharles Keepax
No need to use irq_create_mapping (although there is no issue with doing so) when we are only looking up an existing mapping. Just to streamline things a little and make the code a little more clear change some calls from irq_create_mapping to irq_find_mapping. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: wm8994-core: Don't use managed regulator bulk get APIViresh Kumar
The kernel WARNs and then crashes today if wm8994_device_init() fails after calling devm_regulator_bulk_get(). That happens because there are multiple devices involved here and the order in which managed resources are freed isn't correct. The regulators are added as children of wm8994->dev. Whereas, devm_regulator_bulk_get() receives wm8994->dev as the device, though it gets the same regulators which were added as children of wm8994->dev earlier. During failures, the children are removed first and the core eventually calls regulator_unregister() for them. As regulator_put() was never done for them (opposite of devm_regulator_bulk_get()), the kernel WARNs at WARN_ON(rdev->open_count); And eventually it crashes from debugfs_remove_recursive(). Fix the kernel warnings and crashes by using regulator_bulk_get() instead of devm_regulator_bulk_get() and explicitly freeing the supplies in exit paths. Tested on Exynos 5250, dual core ARM A15 machine. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: davinci_voicecodec: Tidyup header difinitionsKuninori Morimoto
mach/hardware.h is needed on C source code side, not header. And struct davinci_vc is duplicated definition. Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: wm5102: Remove spurious trailing spacesRichard Fitzgerald
Remove the trailing spaces on the register default lines to stop checkpatch complaining. Signed-off-by: Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: sun4i-gpadc: Fix 'cast from pointer to integer of different size' warningLee Jones
When building for X86 using COMPILE_TEST we get this warning: ../drivers/mfd/sun4i-gpadc.c: In function ‘sun4i_gpadc_probe’: ../drivers/mfd/sun4i-gpadc.c:110:10: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast] Since an integer and a pointer are difference sizes on 64bit architectures. Convert to case to a long instead. Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: axp20x-i2c: Add i2c-ids to fix module auto-loadingHans de Goede
The i2c subsys does not load modules by compatible, only by i2c-id, with e.g. a modalias of: "i2c:axp209". Populate the axp20x_i2c_id[] table with supported ids, so that module auto-loading will work. Reported-by: Dennis Gilmore <dennis@ausil.us> Signed-off-by: Hans de Goede <hdegoede@redhat.com> Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: syscon: Support native-endian regmapsPaul Burton
The regmap devicetree binding documentation states that a native-endian property should be supported as well as big-endian & little-endian, however syscon in its duplication of the parsing of these properties omits support for native-endian. Fix this by setting REGMAP_ENDIAN_NATIVE when a native-endian property is found. Cc: linux-mips@linux-mips.org Cc: Arnd Bergmann <arnd@arndb.de> Cc: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: Paul Burton <paul.burton@imgtec.com> Tested-by: Maciej W. Rozycki <macro@imgtec.com> Tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: rk808: RK818 uses DEV_OFF to power off suppliesJianhong Chen
DEV_OFF and DEV_OFF_RST functions for RK808 are designed error that only DEV_OFF_RST can power off supplies. RK818 has been fixed this issue, so that DEV_OFF is used to power off supplies. Signed-off-by: Jianhong Chen <chenjh@rock-chips.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: fsl-imx25-tsadc: Fix module autoload when registered via OFJavier Martinez Canillas
If the driver is built as a module, autoload won't work because the module alias information is not filled. So user-space can't match the registered device with the corresponding module. Export the module alias information using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/mfd/fsl-imx25-tsadc.ko | grep alias alias: platform:mx25-tsadc After this patch: $ modinfo drivers/mfd/fsl-imx25-tsadc.ko | grep alias alias: platform:mx25-tsadc alias: of:N*T*Cfsl,imx25-tsadcC* alias: of:N*T*Cfsl,imx25-tsadc Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: hi655x-pmic: Fix module autoload when registered via OFJavier Martinez Canillas
If the driver is built as a module, autoload won't work because the module alias information is not filled. So user-space can't match the registered device with the corresponding module. Export the module alias information using the MODULE_DEVICE_TABLE() macro. Before this patch: $ modinfo drivers/mfd/hi655x-pmic.ko | grep alias After this patch: $ modinfo drivers/mfd/hi655x-pmic.ko | grep alias alias: of:N*T*Chisilicon,hi655x-pmicC* alias: of:N*T*Chisilicon,hi655x-pmic Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: abx500-core: Allow driver to built if COMPILE_TEST is enabledJavier Martinez Canillas
The driver only has runtime but no build time dependency with ARCH_U300 || ARCH_U8500 So it can be built for testing purposes if COMPILE_TEST option is enabled. This is useful to have more build coverage and make sure that the driver is not affected by changes that could cause build regressions. Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: exynos-lpass: Add hardware dependencyJean Delvare
This driver is meant for Exynos systems so do not offer the option elsewhere unless build-testing. Cc: Inha Song <ideal.song@samsung.com> Cc: Beomho Seo <beomho.seo@samsung.com> Signed-off-by: Jean Delvare <jdelvare@suse.de> Reviewed-by: Sylwester Nawrocki <s.nawrocki@samsung.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: tps65912: Move regmap config into core driverArnd Bergmann
When building with extra warnings enabled, most files including linux/mfd/tps65912.h warn about a static variable defined in the header: include/linux/mfd/tps65912.h:331:35: warning: 'tps65912_regmap_config' defined but not used [-Wunused-const-variable=] We also duplicate the data structure between the i2c and spi front-end drivers. Moving it into the driver code avoids the warning and the duplication. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: wm8994-core: Disable regulators before removing themViresh Kumar
The order in which resources were freed in wm8994_device_exit() isn't correct. The regulators are removed before they are disabled. Fix it by reordering code a bit, which makes it exact opposite of wm8994_device_init() as well. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: wm8994-core: Don't split lines unnecessarilyViresh Kumar
These can fit in a single line (80 columns), don't split lines unnecessarily. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: Enable compile testing for max77620 and max77686Krzysztof Kozlowski
The OF is not a strict build-time dependency so max77620 and max77686 can be compile tested to increase build coverage. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: tc3589x: Improve function-level documentationJulia Lawall
Use the correct function name in one case and adjust a variable name to that of the corresponding function parameter in another case. Issue detected using Coccinelle (http://coccinelle.lip6.fr/) Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-29mfd: Add support for Allwinner SoCs ADCQuentin Schulz
The Allwinner SoCs all have an ADC that can also act as a touchscreen controller and a thermal sensor. For now, only the ADC and the thermal sensor drivers are probed by the MFD, the touchscreen controller support will be added later. Signed-off-by: Quentin Schulz <quentin.schulz@free-electrons.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-25mfd: wm8994-core: Don't use managed regulator bulk get APIViresh Kumar
The kernel WARNs and then crashes today if wm8994_device_init() fails after calling devm_regulator_bulk_get(). That happens because there are multiple devices involved here and the order in which managed resources are freed isn't correct. The regulators are added as children of wm8994->dev. Whereas, devm_regulator_bulk_get() receives wm8994->dev as the device, though it gets the same regulators which were added as children of wm8994->dev earlier. During failures, the children are removed first and the core eventually calls regulator_unregister() for them. As regulator_put() was never done for them (opposite of devm_regulator_bulk_get()), the kernel WARNs at WARN_ON(rdev->open_count); And eventually it crashes from debugfs_remove_recursive(). --------x------------------x---------------- wm8994 3-001a: Device is not a WM8994, ID is 0 ------------[ cut here ]------------ WARNING: CPU: 0 PID: 1 at /mnt/ssd/all/work/repos/devel/linux/drivers/regulator/core.c:4072 regulator_unregister+0xc8/0xd0 Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Not tainted 4.8.0-rc6-00154-g54fe84cbd50b #41 Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) [<c010e24c>] (unwind_backtrace) from [<c010af38>] (show_stack+0x10/0x14) [<c010af38>] (show_stack) from [<c032a1c4>] (dump_stack+0x88/0x9c) [<c032a1c4>] (dump_stack) from [<c011a98c>] (__warn+0xe8/0x100) [<c011a98c>] (__warn) from [<c011aa54>] (warn_slowpath_null+0x20/0x28) [<c011aa54>] (warn_slowpath_null) from [<c0384a0c>] (regulator_unregister+0xc8/0xd0) [<c0384a0c>] (regulator_unregister) from [<c0406434>] (release_nodes+0x16c/0x1dc) [<c0406434>] (release_nodes) from [<c04039c4>] (__device_release_driver+0x8c/0x110) [<c04039c4>] (__device_release_driver) from [<c0403a64>] (device_release_driver+0x1c/0x28) [<c0403a64>] (device_release_driver) from [<c0402b24>] (bus_remove_device+0xd8/0x104) [<c0402b24>] (bus_remove_device) from [<c03ffcd8>] (device_del+0x10c/0x218) [<c03ffcd8>] (device_del) from [<c0404e4c>] (platform_device_del+0x1c/0x88) [<c0404e4c>] (platform_device_del) from [<c0404ec4>] (platform_device_unregister+0xc/0x20) [<c0404ec4>] (platform_device_unregister) from [<c0428bc0>] (mfd_remove_devices_fn+0x5c/0x64) [<c0428bc0>] (mfd_remove_devices_fn) from [<c03ff9d8>] (device_for_each_child_reverse+0x4c/0x78) [<c03ff9d8>] (device_for_each_child_reverse) from [<c04288c4>] (mfd_remove_devices+0x20/0x30) [<c04288c4>] (mfd_remove_devices) from [<c042758c>] (wm8994_device_init+0x2ac/0x7f0) [<c042758c>] (wm8994_device_init) from [<c04f14a8>] (i2c_device_probe+0x178/0x1fc) [<c04f14a8>] (i2c_device_probe) from [<c04036fc>] (driver_probe_device+0x214/0x2c0) [<c04036fc>] (driver_probe_device) from [<c0403854>] (__driver_attach+0xac/0xb0) [<c0403854>] (__driver_attach) from [<c0401a74>] (bus_for_each_dev+0x68/0x9c) [<c0401a74>] (bus_for_each_dev) from [<c0402cf0>] (bus_add_driver+0x1a0/0x218) [<c0402cf0>] (bus_add_driver) from [<c040406c>] (driver_register+0x78/0xf8) [<c040406c>] (driver_register) from [<c04f20a0>] (i2c_register_driver+0x34/0x84) [<c04f20a0>] (i2c_register_driver) from [<c01017d0>] (do_one_initcall+0x40/0x170) [<c01017d0>] (do_one_initcall) from [<c0a00dbc>] (kernel_init_freeable+0x15c/0x1fc) [<c0a00dbc>] (kernel_init_freeable) from [<c06e07b0>] (kernel_init+0x8/0x114) [<c06e07b0>] (kernel_init) from [<c0107978>] (ret_from_fork+0x14/0x3c) ---[ end trace 0919d3d0bc998260 ]--- [snip..] Unable to handle kernel NULL pointer dereference at virtual address 00000078 pgd = c0004000 [00000078] *pgd=00000000 Internal error: Oops: 5 [#1] PREEMPT SMP ARM Modules linked in: CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.8.0-rc6-00154-g54fe84cbd50b #41 Hardware name: SAMSUNG EXYNOS (Flattened Device Tree) task: ee874000 task.stack: ee878000 PC is at down_write+0x14/0x54 LR is at debugfs_remove_recursive+0x30/0x150 [snip..] [<c06e489c>] (down_write) from [<c02e9954>] (debugfs_remove_recursive+0x30/0x150) [<c02e9954>] (debugfs_remove_recursive) from [<c0382b78>] (_regulator_put+0x24/0xac) [<c0382b78>] (_regulator_put) from [<c0382c1c>] (regulator_put+0x1c/0x2c) [<c0382c1c>] (regulator_put) from [<c0406434>] (release_nodes+0x16c/0x1dc) [<c0406434>] (release_nodes) from [<c04035d4>] (driver_probe_device+0xec/0x2c0) [<c04035d4>] (driver_probe_device) from [<c0403854>] (__driver_attach+0xac/0xb0) [<c0403854>] (__driver_attach) from [<c0401a74>] (bus_for_each_dev+0x68/0x9c) [<c0401a74>] (bus_for_each_dev) from [<c0402cf0>] (bus_add_driver+0x1a0/0x218) [<c0402cf0>] (bus_add_driver) from [<c040406c>] (driver_register+0x78/0xf8) [<c040406c>] (driver_register) from [<c04f20a0>] (i2c_register_driver+0x34/0x84) [<c04f20a0>] (i2c_register_driver) from [<c01017d0>] (do_one_initcall+0x40/0x170) [<c01017d0>] (do_one_initcall) from [<c0a00dbc>] (kernel_init_freeable+0x15c/0x1fc) [<c0a00dbc>] (kernel_init_freeable) from [<c06e07b0>] (kernel_init+0x8/0x114) [<c06e07b0>] (kernel_init) from [<c0107978>] (ret_from_fork+0x14/0x3c) Code: e1a04000 f590f000 e3a03001 e34f3fff (e1902f9f) ---[ end trace 0919d3d0bc998262 ]--- --------x------------------x---------------- Fix the kernel warnings and crashes by using regulator_bulk_get() instead of devm_regulator_bulk_get() and explicitly freeing the supplies in exit paths. Tested on Exynos 5250, dual core ARM A15 machine. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-25mfd: wm8994-core: Disable regulators before removing themViresh Kumar
The order in which resources were freed in wm8994_device_exit() isn't correct. The regulators are removed before they are disabled. Fix it by reordering code a bit, which makes it exact opposite of wm8994_device_init() as well. Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-25mfd: syscon: Support native-endian regmapsPaul Burton
The regmap devicetree binding documentation states that a native-endian property should be supported as well as big-endian & little-endian, however syscon in its duplication of the parsing of these properties omits support for native-endian. Fix this by setting REGMAP_ENDIAN_NATIVE when a native-endian property is found. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: Lee Jones <lee.jones@linaro.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Guenter Roeck <linux@roeck-us.net> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: linux-mips@linux-mips.org Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-21mfd: arizona: Mark AIFx_TX_BCLK_RATE as readable for cs47l24Praveen Kumar Vegivada
This register is used in the AIF code but is missing from the register tables. Signed-off-by: Praveen Kumar Vegivada <praveen.vegivada@cirrus.com> Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-21mfd: lpc_ich: Use gpio-ich driver for 8-series and 9-series Intel PCH devicesDan Gora
The Intel 8-series and 9-series PCH devices, described by the descriptors LPC_LPT and LPC_9S although codenamed 'lynxpoint' do not use the same GPIO register layout which is used by the gpio-lynxpoint driver. They use the same ICH_V5_GPIO layout as the gpio-ich driver. See: http://www.intel.com/content/www/us/en/chipsets/8-series-chipset-pch-datasheet.html http://www.intel.com/content/www/us/en/chipsets/9-series-chipset-pch-datasheet.html The devices described by "Mobile 4th Generation Intel Core Processor Family I/O" manual use the gpio-lynxpoint driver and are described by the LPC_LPT_LP descriptor. See: http://www.intel.com/content/www/us/en/processors/core/4th-gen-core-family-mobile-i-o-datasheet.html Signed-off-by: Dan Gora <dg@adax.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-21mfd: axp20x: Add adc volatile ranges for axp22xIcenowy Zheng
AXP22x has also some different register map than axp20x, they're also added here. Signed-off-by: Icenowy Zheng <icenowy@aosc.xyz> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-21Merge branches 'ib-mfd-arm-leds-4.10' and 'ib-mfd-gpio-input-regulator-4.10' ↵Lee Jones
into ibs-for-mfd-merged
2016-11-21mfd: qcom-pm8xxx: Clean up PM8XXX namespaceLinus Walleij
The Kconfig and file naming for the PM8xxx driver is totally confusing: - Kconfig options MFD_PM8XXX and MFD_PM8921_CORE, some in-kernel users depending on or selecting either at random. - A driver file named pm8921-core.c even if it is indeed used by the whole PM8xxx family of chips. - An irqchip named pm8xxx since it was (I guess) realized that the driver was generic for all pm8xxx PMICs. As I may want to add support for PM8901 this is starting to get really messy. Fix this situation by: - Remove the MFD_PM8921_CORE symbol and rely solely on MFD_PM8XXX and convert all users, including LEDs Kconfig and ARM defconfigs for qcom and multi_v7 to use that single symbol. - Renaming the driver to qcom-pm8xxx.c to fit along the two other qcom* prefixed drivers. - Rename functions withing the driver from 8921 to 8xxx to indicate it is generic. - Just drop the =m config from the pxa_defconfig, I have no clue why it is even there, it is not a Qualcomm platform. (Possibly older Kconfig noise from saveconfig.) Cc: Stephen Boyd <sboyd@codeaurora.org> Cc: Neil Armstrong <narmstrong@baylibre.com> Cc: Abhijeet Dharmapurikar <adharmap@codeaurora.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Reviewed-by: Andy Gross <andy.gross@linaro.org> Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org> Acked-by: Jacek Anaszewski <j.anaszewski@samsung.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-17mfd: 88pm860x: Move over to new I2C device .probe() callLee Jones
As part of an effort to rid the mostly unused second parameter for I2C related .probe() functions and to conform to other existing frameworks we're moving over to a temporary replacement .probe() call-back. Acked-by: Grant Likely <grant.likely@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Kieran Bingham <kieran@bingham.xyz> Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2016-11-16mfd: core: Fix device reference leak in mfd_clone_cellJohan Hovold
Make sure to drop the reference taken by bus_find_device_by_name() before returning from mfd_clone_cell(). Fixes: a9bbba996302 ("mfd: add platform_device sharing support for mfd") Signed-off-by: Johan Hovold <johan@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-16mfd: stmpe: Fix RESET regression on STMPE2401Linus Walleij
Since commit c4dd1ba355aae2bc3d1213da6c66c53e3c31e028 ("mfd: stmpe: Add reset support for all STMPE variant") we're resetting the STMPE expanders before use. This caused a regression on the STMP2401 on the Nomadik NHK8815: stmpe-i2c 0-0043: stmpe2401 detected, chip id: 0x101 nmk-i2c 101f8000.i2c0: write to slave 0x43 timed out nmk-i2c 101f8000.i2c0: no ack received after address transmission stmpe-i2c 0-0044: stmpe2401 detected, chip id: 0x101 nmk-i2c 101f8000.i2c0: write to slave 0x44 timed out nmk-i2c 101f8000.i2c0: no ack received after address transmission It turns out that we start to poll for the reset bit to go low again too quickly: the STMPE2401 is not yet online and ready to be asked for the status of the RESET bit. By introducing a 10ms delay before starting to hammer the register for information, we get back to normal: stmpe-i2c 0-0043: stmpe2401 detected, chip id: 0x101 stmpe-i2c 0-0044: stmpe2401 detected, chip id: 0x101 Cc: stable@vger.kernel.org Cc: Amelie Delaunay <amelie.delaunay@st.com> Fixes: c4dd1ba355aa ("mfd: stmpe: Add reset support for all STMPE variant") Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Patrice Chotard <patrice.chotard@st.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-16mfd: intel_soc_pmic_bxtwc: Fix usbc interruptHeikki Krogerus
The wcove USB Type-C driver is currently being flooded with interrupts that are not targeted to it. The reason for that is because all CHRG first level interrupts are mapped to it. This fixes the issue by introducing separate irq for the usbc device, and mapping only USB Type-C PHY interrupts to it. Fixes: 9c6235c86332 ("mfd: intel_soc_pmic_bxtwc: Add bxt_wcove_usbc device") Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-16mfd: intel-lpss: Do not put device in reset state on suspendAzhar Shaikh
Commit 41a3da2b8e163 ("mfd: intel-lpss: Save register context on suspend") saved the register context while going to suspend and also put the device in reset state. Due to the resetting of device, system cannot enter S3/S0ix states when no_console_suspend flag is enabled. The system and serial console both hang. The resetting of device is not needed while going to suspend. Hence remove this code. Cc: stable@vger.kernel.org Fixes: 41a3da2b8e163 ("mfd: intel-lpss: Save register context on suspend") Signed-off-by: Azhar Shaikh <azhar.shaikh@intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-16mfd: lpss: Fix Intel Kaby Lake PCH-H propertiesJarkko Nikula
There are a few issues on Intel Kaby Lake PCH-H properties added by commit a6a576b78e09 ("mfd: lpss: Add Intel Kaby Lake PCH-H PCI IDs"): - Input clock of I2C controller on Intel Kaby Lake PCH-H is 120 MHz not 133 MHz. This was probably copy-paste error from Intel Broxton I2C properties. - There is no default I2C SDA hold time specified which is used when ACPI doesn't provide it. I got information from Windows driver team that Kaby Lake PCH-H can use the same configuration than Intel Sunrisepoint PCH. - Common HS-UART properties are not used. Fix these by reusing the Sunrisepoint properties on Kaby Lake PCH-H. Fixes: a6a576b78e09 ("mfd: lpss: Add Intel Kaby Lake PCH-H PCI IDs") Reported-by: Xiang A Wang <xiang.a.wang@intel.com> Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-11-05mfd: ti_am335x_tscadc: store physical addressMugunthan V N
store the physical address of the device in its priv to use it for DMA addressing in the client drivers. Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com> Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-10-26mfd: tps65218: Use mfd_add_devices instead of of_platform_populateKeerthy
mfd_add_devices enables parsing device tree nodes without compatibles for regulators and gpio modules. Replace of_platform_populate with mfd_add_devices. mfd_cell currently is populated with regulators, gpio and powerbutton. Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-10-26mfd: tps65218: Remove redundant read wrapperKeerthy
Currently read directly calls the repmap read function. Hence remove the redundant wrapper and use regmap read wherever needed. Signed-off-by: Keerthy <j-keerthy@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2016-10-07Merge tag 'mfd-for-linus-4.9' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd Pull MFD updates from Lee Jones: "Core framework: - Add the MFD bindings doc to MAINTAINERS New drivers: - X-Powers AC100 Audio CODEC and RTC - TI LP873x PMIC - Rockchip RK808 PMIC - Samsung Exynos Low Power Audio New device support: - Add support for STMPE1600 variant to stmpe - Add support for PM8018 PMIC to pm8921-core - Add support for AXP806 PMIC in axp20x - Add support for AXP209 GPIO in axp20x New functionality: - Add support for Reset to all STMPE variants - Add support for MKBP event support to cros_ec - Add support for USB to intel_soc_pmic_bxtwc - Add support for IRQs and Power Button to tps65217 Fix-ups: - Clean-up defunct author emails (da9063, max14577) - Kconfig fixups (wm8350-i2c, as37220 - Constify (altera-a10sr, sm501) - Supply PCI IDs (intel-lpss-pci) - Improve clocking (qcom_rpm) - Fix IRQ probing (ucb1x00-core) - Ensure fault log is cleared (da9052) - Remove NO_IRQ check (ucb1x00-core) - Supply I2C properties (intel-lpss-acpi, intel-lpss-pci) - Non standard declaration (tps65217, max8997-irq) - Remove unused code (lp873x, db8500-prcmu, ab8500-debugfs, cros_ec_spi) - Make non-modular (altera-a10sr, intel_msic, smsc-ece1099, sun6i-prcm, twl-core) - OF bindings (ac100, stmpe, qcom-pm8xxx, qcom-rpm, rk808, axp20x, lp873x, exynos5433-lpass, act8945a, aspeed-scu, twl6040, arizona) Bugfixes: - Release OF pointer (qcom_rpm) - Avoid double shifting in suspend/resume (88pm80x) - Fix 'defined but not used' error (exynos-lpass) - Fix 'sleeping whilst attomic' (atmel-hlcdc)" * tag 'mfd-for-linus-4.9' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (69 commits) mfd: arizona: Handle probe deferral for reset GPIO mfd: arizona: Remove arizona_of_get_named_gpio helper function mfd: arizona: Add DT options for max_channels_clocked and PDM speaker config mfd: twl6040: Register child device for twl6040-pdmclk mfd: cros_ec_spi: Remove unused variable 'request' mfd: omap-usb-host: Return value is not 'const int' mfd: ab8500-debugfs: Remove 'weak' function suspend_test_wake_cause_interrupt_is_mine() mfd: ab8500-debugfs: Remove ab8500_dump_all_banks_to_mem() mfd: db8500-prcmu: Remove unused *prcmu_set_ddr_opp() calls mfd: ab8500-debugfs: Prevent initialised field from being over-written mfd: max8997-irq: 'inline' should be at the beginning of the declaration mfd: rk808: Fix RK818_IRQ_DISCHG_ILIM initializer mfd: tps65217: Fix nonstandard declaration mfd: lp873x: Remove unused mutex lock from struct lp873x mfd: atmel-hlcdc: Do not sleep in atomic context mfd: exynos-lpass: Mark PM functions as __maybe_unused mfd: intel-lpss: Add default I2C device properties for Apollo Lake mfd: twl-core: Make it explicitly non-modular mfd: sun6i-prcm: Make it explicitly non-modular mfd: smsc-ece1099: Make it explicitly non-modular ...
2016-10-05Merge tag 'gpio-v4.9-1' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio Pull GPIO updates from Linus Walleij: "This is the bulk of GPIO changes for the v4.9 series: Subsystem improvements: - do away with the last users of the obsolete Kconfig options ARCH_REQUIRE_GPIOLIB and ARCH_WANT_OPTIONAL_GPIOLIB (the latter always sounded like an item on a wishlist to Santa Claus to me). We can now select GPIOLIB and be done with it, for all archs. After some struggle it even work on UM. Not that it has GPIO, but if it wants to, it can select the library. - continued efforts to make drivers properly either tristate or bool. - introduce a warning for drivers assigning default triggers to their irqchip lines when probed from device tree, so we find and fix these ambigous drivers. It is agreed that in the OF config path, the device tree defines trigger characteristics. - the same warning, mutatis mutandis, for ACPI-probed GPIO irqchips. - we introduce the ability to mark certain IRQ lines as "unusable" as they can be taken by BIOS/firmware, unrouted in silicon and generally nasty if you use them, and such things. This is put to good use in the STMPE driver and also in the Cherryview pin control driver. - a new "mockup" virtual GPIO device that can be used for testing. The plan is to add unit tests under tools/* for exercising this device and verify that the kernel code paths are working as they should. - make memory-mapped I/O-drivers depend on HAS_IOMEM. This was implicit all the time, but when people started building UM with allyesconfig or allmodconfig it exploded in their face. - move some stray bits of device tree and ACPI HW description callbacks down into their respective implementation silo. These were causing issues when compiling on !HAS_IOMEM as well, so now eventually UM compiles the GPIOLIB library if it wants to. New drivers: - new driver for the Aspeed GPIO front-end companion to the pin controller merged through the pin control tree. - new driver for the LP873x PMIC GPIO portions. - new driver for Technologic Systems' I2C FPGA GPIO such as TS4900, TS-7970, TS-7990 and TS-4100. - new driver for the Broadcom BCM63xx series including BCM6338 and BCM6345. - new driver for the Intel WhiskeyCove PMIC GPIO. - new driver for the Allwinner AXP209 PMIC GPIO portions. - new driver for Diamond Systems 48 line GPIO-MM, another of these port-mapped I/O expansion cards. - support the STMicroelectronics STMPE1600 variant in the STMPE driver. Driver improvements: - the STMPE driver now supports rising/falling edge detection properly for IRQs. - the PCA954x will now fetch and enable its VCC regulator properly. - major rework of the PCA953x driver with the goal of eventually switching it over to use regmap and thus modernize it even more. - switch the IOP driver to use the generic MMIO GPIO library. - move the ages old HTC EGPIO (extended GPIO) GPIO expander driver over to this subsystem from MFD, achieveing some separation of concerns" * tag 'gpio-v4.9-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio: (81 commits) gpio: add missing static inline gpio: OF: localize some gpiochip init functions gpio: acpi: separation of concerns gpio: OF: separation of concerns gpio: make memory-mapped drivers depend on HAS_IOMEM gpio: stmpe: use BIT() macro gpio: stmpe: forbid unused lines to be mapped as IRQs mfd/gpio: Move HTC GPIO driver to GPIO subsystem gpio: MAINTAINERS: Add an entry for GPIO mockup driver gpio/mockup: add virtual gpio device gpio: Added zynq specific check for special pins on bank zero gpio: axp209: Implement get_direction gpio: aspeed: remove redundant return value check gpio: loongson1: remove redundant return value check ARM: omap2: fix missing include gpio: tc3589x: fix up complaints on unsigned gpio: tc3589x: add .get_direction() and small cleanup gpio: f7188x: use gpiochip_get_data instead of container_of gpio: tps65218: use devm_gpiochip_add_data() for gpio registration gpio: aspeed: fix return value check in aspeed_gpio_probe() ...
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-02 01:42:01 +0000