[PATCH v0 14/14] iio: magnetometer: ak8975: Make use of the macros from bits.h

[Andy Shevchenko]

Make use of BIT() and GENMASK() where it makes sense.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/iio/magnetometer/ak8975.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/drivers/iio/magnetometer/ak8975.c b/drivers/iio/magnetometer/ak8975.c
index e6ca30b36965..4e53c61c8d69 100644
--- a/drivers/iio/magnetometer/ak8975.c
+++ b/drivers/iio/magnetometer/ak8975.c
@@ -46,7 +46,7 @@
 
 #define AK8975_REG_ST1			0x02
 #define AK8975_REG_ST1_DRDY_SHIFT	0
-#define AK8975_REG_ST1_DRDY_MASK	(1 << AK8975_REG_ST1_DRDY_SHIFT)
+#define AK8975_REG_ST1_DRDY_MASK	BIT(0)
 
 #define AK8975_REG_HXL			0x03
 #define AK8975_REG_HXH			0x04
@@ -56,14 +56,14 @@
 #define AK8975_REG_HZH			0x08
 #define AK8975_REG_ST2			0x09
 #define AK8975_REG_ST2_DERR_SHIFT	2
-#define AK8975_REG_ST2_DERR_MASK	(1 << AK8975_REG_ST2_DERR_SHIFT)
+#define AK8975_REG_ST2_DERR_MASK	BIT(2)
 
 #define AK8975_REG_ST2_HOFL_SHIFT	3
-#define AK8975_REG_ST2_HOFL_MASK	(1 << AK8975_REG_ST2_HOFL_SHIFT)
+#define AK8975_REG_ST2_HOFL_MASK	BIT(3)
 
 #define AK8975_REG_CNTL			0x0A
 #define AK8975_REG_CNTL_MODE_SHIFT	0
-#define AK8975_REG_CNTL_MODE_MASK	(0xF << AK8975_REG_CNTL_MODE_SHIFT)
+#define AK8975_REG_CNTL_MODE_MASK	GENMASK(3, 0)
 #define AK8975_REG_CNTL_MODE_POWER_DOWN	0x00
 #define AK8975_REG_CNTL_MODE_ONCE	0x01
 #define AK8975_REG_CNTL_MODE_SELF_TEST	0x08
@@ -96,7 +96,7 @@
 #define AK09912_REG_ST1			0x10
 
 #define AK09912_REG_ST1_DRDY_SHIFT	0
-#define AK09912_REG_ST1_DRDY_MASK	(1 << AK09912_REG_ST1_DRDY_SHIFT)
+#define AK09912_REG_ST1_DRDY_MASK	BIT(0)
 
 #define AK09912_REG_HXL			0x11
 #define AK09912_REG_HXH			0x12
@@ -108,7 +108,7 @@
 
 #define AK09912_REG_ST2			0x18
 #define AK09912_REG_ST2_HOFL_SHIFT	3
-#define AK09912_REG_ST2_HOFL_MASK	(1 << AK09912_REG_ST2_HOFL_SHIFT)
+#define AK09912_REG_ST2_HOFL_MASK	BIT(3)
 
 #define AK09912_REG_CNTL1		0x30
 
@@ -118,7 +118,7 @@
 #define AK09912_REG_CNTL_MODE_SELF_TEST	0x10
 #define AK09912_REG_CNTL_MODE_FUSE_ROM	0x1F
 #define AK09912_REG_CNTL2_MODE_SHIFT	0
-#define AK09912_REG_CNTL2_MODE_MASK	(0x1F << AK09912_REG_CNTL2_MODE_SHIFT)
+#define AK09912_REG_CNTL2_MODE_MASK	GENMASK(4, 0)
 
 #define AK09912_REG_CNTL3		0x32
 
@@ -829,7 +829,7 @@ static const struct iio_chan_spec ak8975_channels[] = {
 	IIO_CHAN_SOFT_TIMESTAMP(3),
 };
 
-static const unsigned long ak8975_scan_masks[] = { 0x7, 0 };
+static const unsigned long ak8975_scan_masks[] = { GENMASK(2, 0), 0 };
 
 static const struct iio_info ak8975_info = {
 	.read_raw = &ak8975_read_raw,
-- 
2.50.1