linux-kernel - [PATCH V2 2/5] watchdog: of_xilinx

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Date:   Mon, 29 Mar 2021 21:49:36 +0530
From:   Srinivas Neeli <srinivas.neeli@...inx.com>
To:     <linux@...ck-us.net>, <shubhraj@...inx.com>, <sgoud@...inx.com>,
        <michal.simek@...inx.com>
CC:     <wim@...ux-watchdog.org>, <linux-watchdog@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <git@...inx.com>,
        Srinivas Goud <srinivas.goud@...inx.com>,
        Srinivas Neeli <srinivas.neeli@...inx.com>
Subject: [PATCH V2 2/5] watchdog: of_xilinx_wdt: Used BIT macro

From: Srinivas Goud <srinivas.goud@...inx.com>

Used BIT macro instead of mask value.

Signed-off-by: Srinivas Goud <srinivas.goud@...inx.com>
Signed-off-by: Michal Simek <michal.simek@...inx.com>
Signed-off-by: Srinivas Neeli <srinivas.neeli@...inx.com>
---
Changes in V2:
-Included bits.h header file.
---
 drivers/watchdog/of_xilinx_wdt.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/drivers/watchdog/of_xilinx_wdt.c b/drivers/watchdog/of_xilinx_wdt.c
index 00549164b3d7..f76ec56859a4 100644
--- a/drivers/watchdog/of_xilinx_wdt.c
+++ b/drivers/watchdog/of_xilinx_wdt.c
@@ -6,6 +6,7 @@
  * (C) Copyright 2011 (Alejandro Cabrera <aldaya@...il.com>)
  */
 
+#include <linux/bits.h>
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/module.h>
@@ -24,12 +25,12 @@
 #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
-- 
2.9.1