From: Peter Meerwald <pmeerw@pmeerw.net>
To: linux-iio@vger.kernel.org
Cc: jic23@kernel.org, Peter Meerwald <pmeerw@pmeerw.net>
Subject: [PATCH v2 04/12] iio:adc:ad7476: Use GENMASK() macro
Date: Thu, 12 Jun 2014 07:00:21 +0200 [thread overview]
Message-ID: <1402549229-4449-5-git-send-email-pmeerw@pmeerw.net> (raw)
In-Reply-To: <1402549229-4449-1-git-send-email-pmeerw@pmeerw.net>
Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net>
Acked-by: Lars-Peter Clausen <lars@metafoo.de>
---
drivers/iio/adc/ad7476.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
index d141d45..ce400ec 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) {
--
1.9.1
next prev parent reply other threads:[~2014-06-12 5:00 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-12 5:00 [PATCH v2 00/12] misc IIO cleanup Peter Meerwald
2014-06-12 5:00 ` [PATCH v2 01/12] iio:adc:ad5791: Use BIT() and GENMASK() macros Peter Meerwald
2014-06-14 14:46 ` Jonathan Cameron
2014-06-12 5:00 ` [PATCH v2 02/12] iio:adc:ad5504: " Peter Meerwald
2014-06-14 14:49 ` Jonathan Cameron
2014-06-12 5:00 ` [PATCH v2 03/12] iio:adc:ad7887: " Peter Meerwald
2014-06-14 15:03 ` Jonathan Cameron
2014-06-12 5:00 ` Peter Meerwald [this message]
2014-06-14 15:04 ` [PATCH v2 04/12] iio:adc:ad7476: Use GENMASK() macro Jonathan Cameron
2014-06-12 5:00 ` [PATCH v2 05/12] iio:adc:ad7298: Use BIT() and GENMASK() macros Peter Meerwald
2014-06-14 15:04 ` Jonathan Cameron
2014-06-12 5:00 ` [PATCH v2 06/12] iio: Move documentation of iio-trig-sysfs to ABI/testing Peter Meerwald
2014-06-14 15:05 ` Jonathan Cameron
2014-06-12 5:00 ` [PATCH v2 07/12] staging:iio: Update iio_event_monitor program Peter Meerwald
2014-06-14 15:08 ` Jonathan Cameron
2014-06-12 5:00 ` [PATCH v2 08/12] staging:iio: Fix iio_utils.h function prototypes Peter Meerwald
2014-06-14 15:08 ` Jonathan Cameron
2014-06-12 5:00 ` [PATCH v2 09/12] staging:iio: Fix mention of INDIO_RING_TRIGGERED to INDIO_BUFFER_TRIGGERED Peter Meerwald
2014-06-14 15:08 ` Jonathan Cameron
2014-06-12 5:00 ` [PATCH v2 10/12] staging:iio: Fix error handling in generic_buffer example Peter Meerwald
2014-06-14 15:09 ` Jonathan Cameron
2014-06-12 5:00 ` [PATCH v2 11/12] staging:iio-trig-periodic-rtc: Cleanup Peter Meerwald
2014-06-14 15:11 ` Jonathan Cameron
2014-06-12 5:00 ` [PATCH v2 12/12] staging:iio-trig-periodic-rtc: Allow to reset frequency to 0 Peter Meerwald
2014-06-14 15:12 ` Jonathan Cameron
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