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Vincent Palatin 6648fdc711 mfd: cros_ec: Fail early if we cannot identify the EC 
[ Upstream commit 0dbbf25561 ]

If we cannot communicate with the EC chip to detect the protocol version
and its features, it's very likely useless to continue. Else we will
commit all kind of uninformed mistakes (using the wrong protocol, the
wrong buffer size, mixing the EC with other chips).

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>
Acked-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-08-03 07:50:27 +02:00
..
88pm80x.c
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88pm800.c
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88pm805.c
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88pm860x-core.c
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88pm860x-i2c.c
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aat2870-core.c
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ab3100-core.c
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ab3100-otp.c
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ab8500-core.c
mfd: ab8500-core: Constify attribute_group structures
2017-09-05 08:46:00 +01:00
ab8500-debugfs.c
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ab8500-gpadc.c
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ab8500-sysctrl.c
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abx500-core.c
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ac100.c
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act8945a.c
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adp5520.c
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altera-a10sr.c
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arizona-core.c
mfd: arizona: Fix typo using hard-coded register
2017-06-06 10:17:42 +01:00
arizona-i2c.c
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arizona-irq.c
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arizona-spi.c
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arizona.h
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as3711.c
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as3722.c
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asic3.c
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atmel-flexcom.c
mfd: atmel: Use devm_of_platform_populate()
2017-07-06 08:29:12 +01:00
atmel-hlcdc.c
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atmel-smc.c
mfd: syscon: atmel-smc: Add helper to retrieve register layout
2017-09-05 08:46:01 +01:00
axp20x-i2c.c
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axp20x-rsb.c
mfd: axp20x: Add support for AXP813 PMIC
2017-09-05 08:46:00 +01:00
axp20x.c
mfd: axp20x: Use correct platform device ID for many PEK
2017-09-05 08:46:01 +01:00
bcm590xx.c
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bd9571mwv.c
mfd: Add ROHM BD9571MWV-M MFD PMIC driver
2017-09-05 08:46:00 +01:00
cros_ec_acpi_gpe.c
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cros_ec_i2c.c
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cros_ec_spi.c
mfd: cros ec: spi: Don't send first message too soon
2017-12-29 17:53:46 +01:00
cros_ec.c
mfd: cros_ec: Fail early if we cannot identify the EC
2018-08-03 07:50:27 +02:00
cs47l24-tables.c
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cs5535-mfd.c
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da903x.c
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da9052-core.c
mfd: da9052: Fix manual ADC read after timed out read
2017-09-05 08:46:00 +01:00
da9052-i2c.c
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da9052-irq.c
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da9052-spi.c
mfd: da9052: Constify spi_device_id
2017-09-05 08:46:01 +01:00
da9055-core.c
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da9055-i2c.c
mfd: da9055: Constify i2c_device_id
2017-09-05 08:46:01 +01:00
da9062-core.c
Revert "mfd: da9061: Fix to remove BBAT_CONT register from chip model"
2017-08-22 09:03:00 +01:00
da9063-core.c
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da9063-i2c.c
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da9063-irq.c
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da9150-core.c
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davinci_voicecodec.c
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db8500-prcmu.c
mfd: db8500-prcmu: Get rid of cpufreq dependency
2017-08-22 15:49:33 +02:00
dbx500-prcmu-regs.h
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dln2.c
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dm355evm_msp.c
mfd: dm355evm_msp: Move header file out of I2C realm
2017-08-15 08:06:14 +01:00
exynos-lpass.c
mfd: exynos: Use devm_of_platform_populate()
2017-07-06 08:29:12 +01:00
ezx-pcap.c
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fsl-imx25-tsadc.c
mfd: fsl-imx25: Clean up irq settings during removal
2017-12-20 10:10:16 +01:00
hi655x-pmic.c
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hi6421-pmic-core.c
mfd: hi6421-pmic: Add support for HiSilicon Hi6421v530
2017-09-05 08:46:00 +01:00
htc-i2cpld.c
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htc-pasic3.c
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intel_msic.c
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intel_quark_i2c_gpio.c
mfd: intel_quark_i2c_gpio: Add support for SIMATIC IOT2000 platform
2017-07-06 08:29:12 +01:00
intel_soc_pmic_bxtwc.c
mfd: intel_soc_pmic_bxtwc: Use chained IRQs for second level IRQ chips
2017-06-19 15:45:01 +01:00
intel_soc_pmic_chtwc.c
mfd: Add Cherry Trail Whiskey Cove PMIC driver
2017-07-06 08:29:13 +01:00
intel_soc_pmic_core.c
mfd: intel_soc_pmic: Differentiate between Bay and Cherry Trail CRC variants
2017-09-05 08:46:02 +01:00
intel_soc_pmic_core.h
mfd: intel_soc_pmic: Export separate mfd-cell configs for BYT and CHT
2017-09-05 08:46:02 +01:00
intel_soc_pmic_crc.c
mfd: intel_soc_pmic: Export separate mfd-cell configs for BYT and CHT
2017-09-05 08:46:02 +01:00
intel-lpss-acpi.c
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intel-lpss-pci.c
mfd: intel-lpss: Fix Intel Cannon Lake LPSS I2C input clock
2018-07-03 11:25:00 +02:00
intel-lpss.c
mfd: intel-lpss: Program REMAP register in PIO mode
2018-07-03 11:25:00 +02:00
intel-lpss.h
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ipaq-micro.c
mfd: ipaq-micro: Dump debugging hexdumps
2017-07-06 08:29:11 +01:00
janz-cmodio.c
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jz4740-adc.c
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Kconfig
mfd: intel_soc_pmic: Differentiate between Bay and Cherry Trail CRC variants
2017-09-05 08:46:02 +01:00
kempld-core.c
dmi: Mark all struct dmi_system_id instances const
2017-09-14 11:59:30 +02:00
lm3533-core.c
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lm3533-ctrlbank.c
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lp873x.c
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lp3943.c
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lp8788-irq.c
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lp8788.c
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lp87565.c
mfd: lp87565: Convert to use devm_mfd_add_devices()
2017-09-05 08:46:01 +01:00
lpc_ich.c
mfd: lpc_ich: Avoton/Rangeley uses SPI_BYT method
2017-11-30 08:40:49 +00:00
lpc_sch.c
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Makefile
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
max8907.c
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max8925-core.c
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max8925-i2c.c
mfd: max8925-i2c: Drop unnecessary static
2017-09-05 08:46:00 +01:00
max8997-irq.c
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max8997.c
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max8998-irq.c
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max8998.c
mfd: max8998: Fix potential NULL pointer dereference
2017-09-05 08:46:00 +01:00
max14577.c
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max77620.c
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max77686.c
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max77693.c
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max77843.c
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mc13xxx-core.c
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mc13xxx-i2c.c
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mc13xxx-spi.c
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mc13xxx.h
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mcp-core.c
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mcp-sa11x0.c
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menelaus.c
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menf21bmc.c
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mfd-core.c
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motorola-cpcap.c
mfd: motorola-cpcap: Use devm_of_platform_populate()
2017-07-06 08:29:12 +01:00
mt6397-core.c
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mxs-lradc.c
mfd: mxs-lradc: Fix error handling in mxs_lradc_probe()
2017-12-20 10:10:33 +01:00
omap-usb-host.c
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omap-usb-tll.c
mfd: omap-usb-tll: Fix register offsets
2017-09-05 08:46:02 +01:00
omap-usb.h
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palmas.c
mfd: palmas: Use devm_of_platform_populate()
2017-07-06 08:29:12 +01:00
pcf50633-adc.c
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pcf50633-core.c
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pcf50633-gpio.c
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pcf50633-irq.c
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qcom_rpm.c
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qcom-pm8xxx.c
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qcom-spmi-pmic.c
mfd: qcom-spmi-pmic: Use devm_of_platform_populate()
2017-07-06 08:29:12 +01:00
rc5t583-irq.c
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rc5t583.c
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rdc321x-southbridge.c
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retu-mfd.c
mfd: retu: Add OF device ID table
2017-07-18 08:27:18 +01:00
rk808.c
mfd: rk808: Add RK805 power key support
2017-08-21 08:54:56 +01:00
rn5t618.c
mfd: rn5t618: Unregister restart handler on remove
2017-07-06 08:29:11 +01:00
rt5033.c
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rtl8411.c
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rts5209.c
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rts5227.c
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rts5229.c
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rts5249.c
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rtsx_pcr.c
mfd: rtsx: Make arrays depth and cd_mask static const
2017-09-05 08:45:59 +01:00
rtsx_pcr.h
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rtsx_usb.c
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sec-core.c
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sec-irq.c
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si476x-cmd.c
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si476x-i2c.c
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si476x-prop.c
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sky81452.c
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sm501.c
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smsc-ece1099.c
mfd: smsc-ece: Use devm_of_platform_populate()
2017-07-06 08:29:12 +01:00
ssbi.c
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sta2x11-mfd.c
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stm32-lptimer.c
mfd: Add STM32 LPTimer driver
2017-09-04 14:49:04 +01:00
stm32-timers.c
mfd: stm32-timers: Use devm_of_platform_populate()
2017-07-06 08:29:12 +01:00
stmpe-i2c.c
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stmpe-spi.c
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stmpe.c
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stmpe.h
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stw481x.c
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sun4i-gpadc.c
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sun6i-prcm.c
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syscon.c
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t7l66xb.c
mfd: t7l66xb: Handle return value of clk_prepare_enable
2017-09-05 08:46:01 +01:00
tc3589x.c
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tc6387xb.c
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tc6393xb.c
mfd: tc6393xb: Handle return value of clk_prepare_enable
2017-07-06 08:29:12 +01:00
ti_am335x_tscadc.c
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ti-lmu.c
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timberdale.c
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timberdale.h
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tmio_core.c
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tps6105x.c
mfd: tps6105x: Add OF device ID table
2017-07-18 08:27:37 +01:00
tps6507x.c
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tps6586x.c
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tps65010.c
mfd: tps65010: Move header file out of I2C realm
2017-08-15 08:27:22 +01:00
tps65086.c
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tps65090.c
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tps65217.c
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tps65218.c
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tps65910.c
regulator: tps65910: wire up sleep control configuration
2017-06-15 18:23:27 +01:00
tps65911-comparator.c
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tps65912-core.c
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tps65912-i2c.c
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tps65912-spi.c
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tps68470.c
mfd: Add support for TPS68470 device
2017-09-05 08:46:01 +01:00
tps80031.c
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twl4030-audio.c
mfd: twl4030-audio: Fix sibling-node lookup
2017-12-29 17:53:46 +01:00
twl4030-irq.c
mfd: twl: Move header file out of I2C realm
2017-09-04 14:41:02 +01:00
twl4030-power.c
mfd: twl: Move header file out of I2C realm
2017-09-04 14:41:02 +01:00
twl6030-irq.c
mfd: twl: Move header file out of I2C realm
2017-09-04 14:41:02 +01:00
twl6040.c
mfd: twl6040: Fix child-node lookup
2017-12-29 17:53:46 +01:00
twl-core.c
mfd: twl-core: Improve the documentation
2017-09-05 08:45:59 +01:00
twl-core.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
ucb1x00-assabet.c
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ucb1x00-core.c
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ucb1x00-ts.c
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ucb1400_core.c
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vexpress-sysreg.c
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viperboard.c
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vx855.c
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wl1273-core.c
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wm831x-auxadc.c
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wm831x-core.c
mfd: wm831x: Remove redundant !pdata checks
2017-07-06 08:29:11 +01:00
wm831x-i2c.c
mfd: wm831x-i2c: Add NULL check before pointer dereference
2017-07-06 08:29:11 +01:00
wm831x-irq.c
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wm831x-otp.c
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wm831x-spi.c
mfd: wm831x-spi: Add NULL check before pointer dereference
2017-07-06 08:29:11 +01:00
wm5102-tables.c
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wm5110-tables.c
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wm8350-core.c
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wm8350-gpio.c
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wm8350-i2c.c
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wm8350-irq.c
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wm8350-regmap.c
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wm8400-core.c
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wm8994-core.c
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wm8994-irq.c
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wm8994-regmap.c
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wm8994.h
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wm8997-tables.c
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wm8998-tables.c
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