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 ade7758_spi_read_reg_8()
Signed-off-by: Shreeya Patel <shreeya.patel23...@gmail.com>
---
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);
return ret;
default:
return -EINVAL;
--
2.7.4
_______________________________________________
devel mailing list
de...@linuxdriverproject.org
http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel
