[PATCH v6 7/9] iio: accel: mma8452: Drop unneeded lock acquire on read

[Esben Haabendal]

There is no need to acquire data->lock when calling mma8452_read(), and
dropping that makes it less likely to end up in an AB-BA deadlock
situation.

Signed-off-by: Esben Haabendal <esben@xxxxxxxxxx>
---
 drivers/iio/accel/mma8452.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
index 7ef1a9a91c31..9ae2c3e60576 100644
--- a/drivers/iio/accel/mma8452.c
+++ b/drivers/iio/accel/mma8452.c
@@ -504,9 +504,7 @@ static int mma8452_read_raw(struct iio_dev *indio_dev,
 		if (!iio_device_claim_direct(indio_dev))
 			return -EBUSY;
 
-		mutex_lock(&data->lock);
 		ret = mma8452_read(data, buffer);
-		mutex_unlock(&data->lock);
 		iio_device_release_direct(indio_dev);
 		if (ret < 0)
 			return ret;

-- 
2.55.0