linux-kernel - [PATCH 08/10] watchdog: keembay: MACRO for WDT enable and disable values

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Date:   Wed, 12 May 2021 14:17:22 +0530
From:   shruthi.sanil@...el.com
To:     wim@...ux-watchdog.org, linux@...ck-us.net,
        linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     andriy.shevchenko@...ux.intel.com, kris.pan@...ux.intel.com,
        mgross@...ux.intel.com, srikanth.thokala@...el.com,
        lakshmi.bai.raja.subramanian@...el.com,
        mallikarjunappa.sangannavar@...el.com, shruthi.sanil@...el.com
Subject: [PATCH 08/10] watchdog: keembay: MACRO for WDT enable and disable values

From: Shruthi Sanil <shruthi.sanil@...el.com>

Introduced MACRO's for WDT enable and disable values for better readability

Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Tested-by: Kris Pan <kris.pan@...el.com>
Signed-off-by: Shruthi Sanil <shruthi.sanil@...el.com>
---
 drivers/watchdog/keembay_wdt.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/watchdog/keembay_wdt.c b/drivers/watchdog/keembay_wdt.c
index 10896415f8c7..63a7c5d719a3 100644
--- a/drivers/watchdog/keembay_wdt.c
+++ b/drivers/watchdog/keembay_wdt.c
@@ -27,6 +27,8 @@
 #define WDT_TO_INT_MASK		BIT(9)
 #define WDT_ISR_CLEAR		0x8200ff18
 #define WDT_UNLOCK		0xf1d0dead
+#define WDT_DISABLE		0x0
+#define WDT_ENABLE		0x1
 #define WDT_LOAD_MAX		U32_MAX
 #define WDT_LOAD_MIN		1
 #define WDT_TIMEOUT		5
@@ -84,7 +86,7 @@ static int keembay_wdt_start(struct watchdog_device *wdog)
 {
 	struct keembay_wdt *wdt = watchdog_get_drvdata(wdog);
 
-	keembay_wdt_writel(wdt, TIM_WDOG_EN, 1);
+	keembay_wdt_writel(wdt, TIM_WDOG_EN, WDT_ENABLE);
 
 	return 0;
 }
@@ -93,7 +95,7 @@ static int keembay_wdt_stop(struct watchdog_device *wdog)
 {
 	struct keembay_wdt *wdt = watchdog_get_drvdata(wdog);
 
-	keembay_wdt_writel(wdt, TIM_WDOG_EN, 0);
+	keembay_wdt_writel(wdt, TIM_WDOG_EN, WDT_DISABLE);
 
 	return 0;
 }
-- 
2.17.1