On Tue, 2018-02-06 at 01:08 +0530, Shreeya Patel wrote:
> In the ade7758 file, read raw does not require iio_dev->mlock for
> reads. It can run concurrently as resource protection is handled
> by buf_lock in read register.
Removed linux-kernel list and Greg from reply list.
>
> Signed-off-by: Shreeya Patel <shreeya.patel23498@xxxxxxxxx>
> ---
> drivers/staging/iio/meter/ade7758_core.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/staging/iio/meter/ade7758_core.c b/drivers/staging/iio/meter/ade7758_core.c
> index 7b7ffe5..227dbfc 100644
> --- a/drivers/staging/iio/meter/ade7758_core.c
> +++ b/drivers/staging/iio/meter/ade7758_core.c
> @@ -526,9 +526,7 @@ static int ade7758_read_raw(struct iio_dev *indio_dev,
>
> switch (mask) {
> case IIO_CHAN_INFO_SAMP_FREQ:
> - mutex_lock(&indio_dev->mlock);
> ret = ade7758_read_samp_freq(&indio_dev->dev, val);
> - mutex_unlock(&indio_dev->mlock);
this patch can be squashed into the second one
semantically they are the same
> return ret;
> default:
> return -EINVAL;
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