AcoSail/kernel_optimize_test
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90e96fdd01
kernel_optimize_test/drivers/iio
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Linus Walleij 90e96fdd01 iio: magn: ak8975: fix regulator usage 
IS_ERR_OR_NULL() should never be used with regulators because
a NULL pointer may be a perfectly valid dummy regulator

We should always succeed to fetch and enable a regulator, but
it may be a dummy. That is fine, so bail out for any real
errors or probe deferrals

Include the error code in the warning print so we know what
kind of problem we're dealing with (for example it is nice to
see if it is a probe deferral).

As we will bail out of probe if the regulator is erroneous,
just issue regulator_disable() on the poweroff path: it will
succeed.

Cc: Mark Brown <broonie@kernel.org>
Cc: Lars-Peter Clausen Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-06-30 20:39:43 +01:00
..
accel iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
adc iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
amplifiers spi: Updates for v4.4 2015-11-05 13:15:12 -08:00
buffer iio: buffer-dma: Use ARRAY_SIZE in for loop range 2016-06-27 21:06:40 +01:00
chemical iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
common iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
dac iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
dummy iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
frequency iio: frequency: ad9523: use unsigned int rather then bare unsigned 2016-04-17 10:31:03 +01:00
gyro iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
health First round of IIO new device support, features and cleanups for the 4.8 cycle. 2016-06-09 09:15:58 -07:00
humidity Merge 4.7-rc4 into staging-next 2016-06-20 08:25:44 -07:00
imu iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
light iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
magnetometer iio: magn: ak8975: fix regulator usage 2016-06-30 20:39:43 +01:00
orientation iio: orientation: hid-sensor-rotation: Fix memory leak in probe() 2015-05-17 09:10:25 +01:00
potentiometer iio: max5487: Add support for Maxim digital potentiometers 2016-05-21 20:13:14 +01:00
pressure iio: pressure: bmp280: add reset GPIO line handling 2016-06-30 20:39:40 +01:00
proximity iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
temperature iio: Export I2C module alias information 2016-05-21 20:08:14 +01:00
trigger iio:trigger: Experimental kthread tight loop trigger (thread only) 2016-06-03 13:18:44 +01:00
iio_core_trigger.h iio: fix semicolon in io_core_trigger.h 2013-08-03 18:40:32 +01:00
iio_core.h iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
industrialio-buffer.c iio: fix config watermark initial value 2016-03-28 11:00:38 +01:00
industrialio-configfs.c iio:configfs: Introduce iio/configfs.h to provide a location for the configfs_subsystem 2015-12-05 16:25:30 +00:00
industrialio-core.c iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
industrialio-event.c iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
industrialio-sw-device.c iio: Add support for creating IIO devices via configfs 2016-05-04 11:43:54 +01:00
industrialio-sw-trigger.c iio: core: fix ptr_ret.cocci warnings 2016-01-20 17:09:18 -08:00
industrialio-trigger.c iio:core: timestamping clock selection support 2016-06-30 19:41:38 +01:00
industrialio-triggered-event.c iio: Support triggered events 2015-08-27 20:47:09 +01:00
inkern.c iio: core: Add devm_ APIs for iio_channel_{get,release}_all 2016-04-19 19:58:15 +01:00
Kconfig iio: Add support for creating IIO devices via configfs 2016-05-04 11:43:54 +01:00
Makefile iio: Add support for creating IIO devices via configfs 2016-05-04 11:43:54 +01:00