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authorWolfram Sang <wsa+renesas@sang-engineering.com>2018-08-08 09:59:27 +0200
committerWolfram Sang <wsa@the-dreams.de>2018-08-20 14:49:24 +0200
commitb07531acd55180efc95e334605f04ca1eaf4e003 (patch)
treeb9201d209c03094b64125aee0b366ccab9c32820 /drivers/i2c
parent0a30446c0dca3483c384b54a431cc951e15f7e79 (diff)
downloadlinux-b07531acd55180efc95e334605f04ca1eaf4e003.tar.bz2
i2c: rcar: refactor private flags
Use BIT macro to avoid shift-31-problem, indent a little more and use GENMASK to make it easier to add new flags. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/busses/i2c-rcar.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-rcar.c b/drivers/i2c/busses/i2c-rcar.c
index 791a4aa34fdd..a9f1880e2eae 100644
--- a/drivers/i2c/busses/i2c-rcar.c
+++ b/drivers/i2c/busses/i2c-rcar.c
@@ -19,6 +19,7 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
+#include <linux/bitops.h>
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/dmaengine.h>
@@ -112,9 +113,9 @@
#define ID_ARBLOST (1 << 3)
#define ID_NACK (1 << 4)
/* persistent flags */
-#define ID_P_NO_RXDMA (1 << 30) /* HW forbids RXDMA sometimes */
-#define ID_P_PM_BLOCKED (1 << 31)
-#define ID_P_MASK (ID_P_PM_BLOCKED | ID_P_NO_RXDMA)
+#define ID_P_NO_RXDMA BIT(30) /* HW forbids RXDMA sometimes */
+#define ID_P_PM_BLOCKED BIT(31)
+#define ID_P_MASK GENMASK(31, 30)
enum rcar_i2c_type {
I2C_RCAR_GEN1,