The internal lock that is by the ADIS library should be sufficient to keep state consistent. There is no need for an extra lock. This patch removes it. Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx> --- drivers/iio/gyro/adis16260.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/iio/gyro/adis16260.c b/drivers/iio/gyro/adis16260.c index 207a0ce13439..0fa93d02062a 100644 --- a/drivers/iio/gyro/adis16260.c +++ b/drivers/iio/gyro/adis16260.c @@ -293,7 +293,6 @@ static int adis16260_write_raw(struct iio_dev *indio_dev, addr = adis16260_addresses[chan->scan_index][1]; return adis_write_reg_16(adis, addr, val); case IIO_CHAN_INFO_SAMP_FREQ: - mutex_lock(&indio_dev->mlock); if (spi_get_device_id(adis->spi)->driver_data) t = 256 / val; else @@ -310,7 +309,6 @@ static int adis16260_write_raw(struct iio_dev *indio_dev, adis->spi->max_speed_hz = ADIS16260_SPI_FAST; ret = adis_write_reg_8(adis, ADIS16260_SMPL_PRD, t); - mutex_unlock(&indio_dev->mlock); return ret; } return -EINVAL; -- 2.20.1
