Re: [PATCH 2/9] watchdog: of_xilinx_wdt: Used BIT macro

From: Guenter Roeck
Date: Thu Jan 16 2020 - 10:04:17 EST


On 1/16/20 5:26 AM, Srinivas Neeli wrote:
From: Srinivas Goud <srinivas.goud@xxxxxxxxxx>

Used BIT macro instead of mask value.

Signed-off-by: Srinivas Goud <srinivas.goud@xxxxxxxxxx>
Signed-off-by: Michal Simek <michal.simek@xxxxxxxxxx>
---
drivers/watchdog/of_xilinx_wdt.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c
index 00549164b3d7..0d7df2370db7 100644
--- a/drivers/watchdog/of_xilinx_wdt.c
+++ b/drivers/watchdog/of_xilinx_wdt.c
@@ -24,12 +24,12 @@
#define XWT_TBR_OFFSET 0x8 /* Timebase Register Offset */
/* Control/Status Register Masks */
-#define XWT_CSR0_WRS_MASK 0x00000008 /* Reset status */
-#define XWT_CSR0_WDS_MASK 0x00000004 /* Timer state */
-#define XWT_CSR0_EWDT1_MASK 0x00000002 /* Enable bit 1 */
+#define XWT_CSR0_WRS_MASK BIT(3) /* Reset status */
+#define XWT_CSR0_WDS_MASK BIT(2) /* Timer state */
+#define XWT_CSR0_EWDT1_MASK BIT(1) /* Enable bit 1 */
/* Control/Status Register 0/1 bits */
-#define XWT_CSRX_EWDT2_MASK 0x00000001 /* Enable bit 2 */
+#define XWT_CSRX_EWDT2_MASK BIT(0) /* Enable bit 2 */
/* SelfTest constants */
#define XWT_MAX_SELFTEST_LOOP_COUNT 0x00010000

Using bitops also requires including linux/bits.h explicitly.

Guenter