diff options
| author | Peter Meerwald <pmeerw@pmeerw.net> | 2014-12-06 06:00:00 +0000 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2014-06-14 16:03:48 +0100 |
| commit | bc74fb8191c0405e17925473e940db65be1b80e7 (patch) | |
| tree | 61dcf3843a3722560e01376e67d054f5e1753879 /drivers | |
| parent | 09a1737e5509aff28346a7225a2eae35d1c5962f (diff) | |
iio:adc:ad7476: Use GENMASK() macro
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/iio/adc/ad7476.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c index d141d452c3d1..ce400ec176f1 100644 --- a/drivers/iio/adc/ad7476.c +++ b/drivers/iio/adc/ad7476.c @@ -14,6 +14,7 @@ #include <linux/regulator/consumer.h> #include <linux/err.h> #include <linux/module.h> +#include <linux/bitops.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> @@ -21,8 +22,6 @@ #include <linux/iio/trigger_consumer.h> #include <linux/iio/triggered_buffer.h> -#define RES_MASK(bits) ((1 << (bits)) - 1) - struct ad7476_state; struct ad7476_chip_info { @@ -117,7 +116,7 @@ static int ad7476_read_raw(struct iio_dev *indio_dev, if (ret < 0) return ret; *val = (ret >> st->chip_info->channel[0].scan_type.shift) & - RES_MASK(st->chip_info->channel[0].scan_type.realbits); + GENMASK(st->chip_info->channel[0].scan_type.realbits - 1, 0); return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: if (!st->chip_info->int_vref_uv) { |