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iio: max1363: Use devm_regulator_get_optional for optional regulator
authorGuenter Roeck <linux@roeck-us.net>
Mon, 27 Jan 2014 18:10:00 +0000 (18:10 +0000)
committerJonathan Cameron <jic23@kernel.org>
Sat, 8 Feb 2014 11:46:00 +0000 (11:46 +0000)
commit55b40d37311807a6bb2acdae0df904f54a0da3ae
treeb273b91937b2ecede65e07dc9ceae926c21a3c4etree | snapshot (tar.gz zip)
parent5585215b6daabf898b4d40f33d1b8c1d41e85018commit | diff
iio: max1363: Use devm_regulator_get_optional for optional regulator

In kernel version 3.13, devm_regulator_get() may return no error
if a regulator is undeclared. regulator_get_voltage() will return
-EINVAL if this happens. This causes the driver to fail loading if
the vref regulator is not declared.

Since vref is optional, call devm_regulator_get_optional instead.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: Stable@vger.kernel.org
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
drivers/iio/adc/max1363.c diff | blob | blame | history