[v2,1/5] i2c: mux: pca9541: use the BIT macro
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Message ID 20190306231521.29367-2-peda@axentia.se
State New
Headers show
Series
  • i2c: mux: pca9541: extend with support for pca9641
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Commit Message

Peter Rosin March 6, 2019, 11:15 p.m. UTC
Because it looks nice!

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Signed-off-by: Peter Rosin <peda@axentia.se>
---
 drivers/i2c/muxes/i2c-mux-pca9541.c | 29 +++++++++++++++--------------
 1 file changed, 15 insertions(+), 14 deletions(-)

Patch
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diff --git a/drivers/i2c/muxes/i2c-mux-pca9541.c b/drivers/i2c/muxes/i2c-mux-pca9541.c
index 9e75d6b9140b..30cabf482985 100644
--- a/drivers/i2c/muxes/i2c-mux-pca9541.c
+++ b/drivers/i2c/muxes/i2c-mux-pca9541.c
@@ -16,6 +16,7 @@ 
  * warranty of any kind, whether express or implied.
  */
 
+#include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <linux/i2c.h>
@@ -43,20 +44,20 @@ 
 #define PCA9541_CONTROL		0x01
 #define PCA9541_ISTAT		0x02
 
-#define PCA9541_CTL_MYBUS	(1 << 0)
-#define PCA9541_CTL_NMYBUS	(1 << 1)
-#define PCA9541_CTL_BUSON	(1 << 2)
-#define PCA9541_CTL_NBUSON	(1 << 3)
-#define PCA9541_CTL_BUSINIT	(1 << 4)
-#define PCA9541_CTL_TESTON	(1 << 6)
-#define PCA9541_CTL_NTESTON	(1 << 7)
-
-#define PCA9541_ISTAT_INTIN	(1 << 0)
-#define PCA9541_ISTAT_BUSINIT	(1 << 1)
-#define PCA9541_ISTAT_BUSOK	(1 << 2)
-#define PCA9541_ISTAT_BUSLOST	(1 << 3)
-#define PCA9541_ISTAT_MYTEST	(1 << 6)
-#define PCA9541_ISTAT_NMYTEST	(1 << 7)
+#define PCA9541_CTL_MYBUS	BIT(0)
+#define PCA9541_CTL_NMYBUS	BIT(1)
+#define PCA9541_CTL_BUSON	BIT(2)
+#define PCA9541_CTL_NBUSON	BIT(3)
+#define PCA9541_CTL_BUSINIT	BIT(4)
+#define PCA9541_CTL_TESTON	BIT(6)
+#define PCA9541_CTL_NTESTON	BIT(7)
+
+#define PCA9541_ISTAT_INTIN	BIT(0)
+#define PCA9541_ISTAT_BUSINIT	BIT(1)
+#define PCA9541_ISTAT_BUSOK	BIT(2)
+#define PCA9541_ISTAT_BUSLOST	BIT(3)
+#define PCA9541_ISTAT_MYTEST	BIT(6)
+#define PCA9541_ISTAT_NMYTEST	BIT(7)
 
 #define BUSON		(PCA9541_CTL_BUSON | PCA9541_CTL_NBUSON)
 #define MYBUS		(PCA9541_CTL_MYBUS | PCA9541_CTL_NMYBUS)