iio: adc: meson_saradc: do not use internal iio_dev lock

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The iio_device lock is only meant for internal use. Hence define a
device local lock to protect against concurrent accesses.

While at it, properly include "mutex.h" for mutex related APIs.

Signed-off-by: Nuno Sá <nuno.sa@analog.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20221004134909.1692021-7-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

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Nuno Sá 2022-10-04 15:48:59 +02:00 • committed by Jonathan Cameron

parent da8091f8ac

commit d0c09264f1

1 changed files with 8 additions and 3 deletions

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drivers/iio/adc/meson_saradc.c

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