iio: adc: rockchip_saradc: do not use internal iio_dev lock
authorNuno Sá <nuno.sa@analog.com>
Tue, 4 Oct 2022 13:49:00 +0000 (15:49 +0200)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Wed, 23 Nov 2022 19:43:58 +0000 (19:43 +0000)
commitbb690935df8dd8f97612b422c669bd1a5fe87096
treedfc6553592017e0989e5c2d4f46b10026f307dda
parentd0c09264f1a64ba8435acfaa70380f61239fc0d4
iio: adc: rockchip_saradc: do not use internal iio_dev lock

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>
Acked-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20221004134909.1692021-8-nuno.sa@analog.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/adc/rockchip_saradc.c