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2018-05-16mfd: viperboard: Delete an error message for a failed memory allocation in ↵Markus Elfring1-3/+1
vprbrd_probe() Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: twl6030-irq: Delete an error message for a failed memory allocation in ↵Markus Elfring1-3/+1
twl6030_init_irq() Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: tps80031: Delete an error message for a failed memory allocation in ↵Markus Elfring1-3/+1
tps80031_probe() Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: tps65910: Move an assignment in tps65910_sleepinit()Markus Elfring1-2/+2
Move the assignment for the local variable "dev" so that its setting will be performed after a configuration check by this function. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: tps65910: Delete an unnecessary variable initialisation in ↵Markus Elfring1-1/+1
tps65910_sleepinit() The local variable "dev" will be reassigned by a following statement. Thus omit the explicit initialisation at the beginning. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: tps65910: Delete an unnecessary variable initialisation in four functionsMarkus Elfring1-4/+4
The local variable "ret" will be set to an appropriate value a bit later. Thus omit the explicit initialisation at the beginning. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: tps65910: Delete an error message for a failed memory allocation in ↵Markus Elfring1-3/+1
tps65910_parse_dt() Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: tps6586x: Delete an error message for a failed memory allocation in ↵Markus Elfring1-3/+1
tps6586x_parse_dt() Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: tps65090: Delete an error message for a failed memory allocation in ↵Markus Elfring1-3/+1
tps65090_i2c_probe() Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: ti_am335x_tscadc: Delete an error message for a failed memory ↵Markus Elfring1-3/+2
allocation in ti_tscadc_probe() Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: smsc-ece1099: Improve a size determination in smsc_i2c_probe()Markus Elfring1-2/+1
Replace the specification of a data structure by a pointer dereference as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: sm501: Adjust 12 checks for null pointersMarkus Elfring1-15/+11
The script “checkpatch.pl” pointed information out like the following. Comparison to NULL could be written … Thus fix the affected source code places. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: sm501: Improve a size determination in two functionsMarkus Elfring1-2/+2
Replace the specification of data structures by pointer dereferences as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: si476x-i2c: Delete an error message for a failed memory allocation in ↵Markus Elfring1-4/+2
si476x_core_probe() Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: abx500-core: Adjust 14 checks for null pointersMarkus Elfring1-7/+7
The script “checkpatch.pl” pointed information out like the following. Comparison to NULL could be written … Thus fix the affected source code places. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: abx500-core: Improve two size determinations in abx500_register_ops()Markus Elfring1-4/+2
Replace the specification of two data structures by pointer dereferences as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: abx500-core: Delete an error message for a failed memory allocation in ↵Markus Elfring1-3/+2
abx500_register_ops() Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: rave-sp: Check received frame length before accepting next byteAndrey Smirnov1-2/+2
Check received frame length _before_ accepting next byte in order to avoid incorrectly rejecting payloads that are RAVE_SP_RX_BUFFER_SIZE long. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Tested-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: rave-sp: Convert print_hex_dump() to print_hex_dump_debug()Andrey Smirnov1-4/+4
Convert print_hex_dump() to print_hex_dump_debug() to be able to leverage CONFIG_DYNAMIC_DEBUG. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Reviewed-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: rave-sp: Add code to print firmware versionsAndrey Smirnov1-0/+95
Add code that would query and print out bootloader and application firmware version info. Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com> Tested-by: Lucas Stach <l.stach@pengutronix.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: ab8500-debugfs: Use kasprintfHimanshu Jha1-2/+1
Use kasprintf instead of combination of kmalloc and sprintf. Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: syscon: Set name of regmap_configJeffy Chen1-0/+1
We are now allowing to register debugfs without a valid device, and not having a valid name will end up using "dummy*" to create debugfs dir. Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: axp20x: Add battery power supply cell for AXP813Quentin Schulz1-0/+3
As axp20x-battery-power-supply now supports AXP813, add a cell for it. Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com> Reviewed-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: axp20x: Probe axp20x_adc driver for AXP813Quentin Schulz1-1/+4
This makes the axp20x_adc driver probe with platform device id "axp813-adc". Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com> Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: axp20x: Make AXP209/22x cells probe their ADC via DTQuentin Schulz1-1/+4
This makes AXP209 and AXP22x ADCs probe first via DT and then by fallback via platform. Signed-off-by: Quentin Schulz <quentin.schulz@bootlin.com> Acked-by: Chen-Yu Tsai <wens@csie.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16Revert "mfd: cros_ec: Add ACPI GPE handler for LID0 devices"Wenkai Du4-134/+3
This reverts commit e04653a9dcf4d98defe2149c885382e5cc72082f. It is no longer needed to install Chrome EC GPE handler to have GPE enabled in suspend to idle path. It is found that with this handler installed, EC wake up doesn't work because default EC event handler that can wake up system is not getting called. Signed-off-by: Wenkai Du <wenkai.du@intel.com> Acked-by: Benson Leung <bleung@chromium.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: Update to SPDX license identifierRajmohan Mani2-23/+4
Remove the GPL v2 license boilerplate and update with the SPDX license identifier. Signed-off-by: Rajmohan Mani <rajmohan.mani@intel.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: tps65218: Reorder tps65218_regulator_id enumDave Gerlach1-2/+2
Commit 2dc4940360d4 ("regulator: tps65218: Remove all the compatibles") changes the probe function of drivers/regulator/tps65218-regulator.c so that it iterates through all available regulators and assumes that the regulator IDs are sequential and match the order present in the enum tps65218_regulator_id. However, for some reason the much older commit c0ea88b890d6 ("regulator: tps65218: add support for LS3 current regulator") updated all arrays with LS3 at the end but added it second to last for the enum. Because of this long standing mismatch in order between the tps65218_regulator_id enum and the regulator_desc array in the tps65218 regulator driver, the new probe function causes the strobe values to be associated with the wrong regulator ID. This causes LDO1 to fail to suspend in tps65218_pmic_set_suspend_disable due to not having anything probes for its strobe value. Fix the order in the enum so the probe function works as the update intended. Fixes: 2dc4940360d4 ("regulator: tps65218: Remove all the compatibles") Signed-off-by: Dave Gerlach <d-gerlach@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: syscon: Set regmap name to DT node nameDavid Lechner1-0/+1
This sets the regmap name to the device tree node name. This is useful for debugging. Signed-off-by: David Lechner <david@lechnology.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: omap-usb-tll: Allocate driver data at onceLadislav Michl1-35/+25
Allocating memory to store clk array together with driver data simplifies error unwinding and allows deleting memory allocation failure message as there is now only single point of failure already covered by allocation failure report. Signed-off-by: Ladislav Michl <ladis@linux-mips.org> [Markus Elfring: simplified error unwinding, error message removal] Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Acked-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: smsc-ece1099: Delete an error message for a failed memory allocationMarkus Elfring1-3/+1
Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: sm501: Delete error message for a failed memory allocation in two placesMarkus Elfring1-2/+0
Omit an extra message for a memory allocation failure in these functions. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: rc5t583: Improve a size determinationMarkus Elfring1-1/+1
Replace the specification of a data structure by a pointer dereference as the parameter for the operator "sizeof" to make the corresponding size determination a bit safer according to the Linux coding style convention. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: rc5t583: Delete error message for a failed memory allocationMarkus Elfring1-3/+1
Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: max8997: Delete error message for a failed memory allocationMarkus Elfring1-3/+1
Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: jz4740-adc: Delete error message for a failed memory allocationMarkus Elfring1-3/+1
Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: janz-cmodio: Delete error message for a failed memory allocationMarkus Elfring1-3/+1
Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: htc-i2cpld: Delete error message for a failed memory allocationMarkus Elfring1-3/+1
Omit an extra message for a memory allocation failure in this function. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: syscon: Remove unused Exynos PMU headersKrzysztof Kozlowski2-40/+0
Since commit 5812f0106c44 ("phy: exynos4: Remove duplicated defines of PHY register defines") and commit 7a66647b25b6 ("phy: exynos: Use one define for enable bit") all users of syscon Exynos PMU headers (for PHY drivers) are converted to use different headers so these can be removed. Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16Merge tags 'ib-mfd-hwmon-v4.18', 'ib-mfd-input-rtc-v4.18' and ↵Lee Jones10-9/+938
'ib-mfd-pwm-v4.18' into ibs-for-mfd-merged Immutable branch between MFD and HWMON due for the v4.18 merge window Immutable branch between MFD, Input and RTC due for the v4.18 merge window Immutable branch between MFD and PWM due for the v4.18 merge window
2018-05-16pwm: stm32: Use input prescaler to improve period captureFabrice Gasnier2-2/+62
Using input prescaler, capture unit will trigger DMA once every configurable /2, /4 or /8 events (rising edge). This helps improve period (only) capture accuracy at high rates. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Acked-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16pwm: stm32: Improve capture by tuning counter prescalerFabrice Gasnier1-1/+23
Currently, capture is based on timeout window to configure prescaler. PWM capture framework provides 1s window at the time of writing. There's place for improvement, after input signal has been captured once: - Finer tune counter clock prescaler, by using 1st capture result (with arbitrary margin). - Do a 2nd capture, with scaled capture window. This increases accuracy, especially at high rates. Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Acked-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16pwm: stm32: Add capture supportFabrice Gasnier2-0/+187
Add support for PMW input mode on pwm-stm32. STM32 timers support period and duty cycle capture as long as they have at least two PWM channels. One capture channel is used for period (rising-edge), one for duty-cycle (falling-edge). When there's only one channel available, only period can be captured. Duty-cycle is simply zero'ed in such a case. Capture requires exclusive access (e.g. no pwm output running at the same time, to protect common prescaler). Timer DMA burst mode (from MFD core) is being used, to take two snapshots of capture registers (upon each period rising edge). Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Acked-by: Thierry Reding <thierry.reding@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-05-16mfd: stm32-timers: Add support for DMAsFabrice Gasnier2-2/+245
STM32 Timers can support up to 7 DMA requests: - 4 channels, update, compare and trigger. Optionally request part, or all DMAs from stm32-timers MFD core. Also add routine to implement burst reads using DMA from timer registers. This is exported. So, it can be used by child drivers, PWM capture for instance (but not limited to). Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@linaro.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-04-16mfd: mt6397: Add PMIC keys support to MT6397 driverChen Zhong1-1/+21
This patch adds compatible strings and interrupts for pmic keys which serves as child device of MFD. Signed-off-by: Chen Zhong <chen.zhong@mediatek.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-04-16input: Add MediaTek PMIC keys supportChen Zhong3-0/+349
This patch add support to handle MediaTek PMIC MT6397/MT6323 key interrupts including pwrkey and homekey, also add setting for long press key shutdown behavior. Signed-off-by: Chen Zhong <chen.zhong@mediatek.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-04-16dt-bindings: mfd: Add bindings for the keys as subnode of PMICChen Zhong1-0/+6
This patch adds documentation for device tree bindings for keys support as the subnode of MT6397/MT6323 PMIC. Signed-off-by: Chen Zhong <chen.zhong@mediatek.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-04-16dt-bindings: input: Add document bindings for mtk-pmic-keysChen Zhong1-0/+43
This patch adds the device tree binding documentation for the MediaTek pmic keys found on PMIC MT6397/MT6323. Signed-off-by: Chen Zhong <chen.zhong@mediatek.com> Acked-by: Rob Herring <robh@kernel.org> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-04-16mfd: mt6397: Create irq mappings in mfd core driverChen Zhong2-6/+5
The core driver should create and manage irq mappings instead of leaf drivers. This patch change to pass irq domain to devm_mfd_add_devices() and it will create mapping for irq resources automatically. And remove irq mapping in rtc driver since this has been done in core driver. Signed-off-by: Chen Zhong <chen.zhong@mediatek.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2018-04-16hwmon: MC13783: Add uid and die temperature sensor inputsAndrey Gusakov3-1/+76
The uid and die temperature can be read out on the ADIN7 using input mux. Map uid and die temperature sensor to channels 16 and 17. Signed-off-by: Andrey Gusakov <andrey.gusakov@cogentembedded.com> Acked-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Lee Jones <lee.jones@linaro.org>
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