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syscon_regmap_lookup_by_phandle()
On error syscon_regmap_lookup_by_phandle() returns ERR_PTR() value,
which makes a check for NULL invalid and may lead to oops on error
path.
Signed-off-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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The SNVS power key driver has suspend/resume functions that
are accessed using SIMPLE_DEV_PM_OPS, which hide the reference
when CONFIG_PM_SLEEP is not set, resulting in a warning about
unused functions:
drivers/input/keyboard/snvs_pwrkey.c:183:12: error: 'imx_snvs_pwrkey_suspend' defined but not used [-Werror=unused-function]
drivers/input/keyboard/snvs_pwrkey.c:194:12: error: 'imx_snvs_pwrkey_resume' defined but not used [-Werror=unused-function]
This adds __maybe_unused annotations to let the compiler know
it can silently drop the function definition.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Remove the unneded semicolon since it is clearly a typo error.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Instead of inventing a new property name, let's use "wakeup-source" to
be consistent with other driver and subsystem bindings.
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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add snvs power key driver.
It work in imx chips after i.mx6sx
ON/OFF key used power on/off whole system.
This driver make it wakeup from suspend state when short press
ON/OFF key.
Long time press will trig SNVS power off chip without software
intervention.
Signed-off-by: Robin Gong <b38343@freescale.com>
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
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