[PATCH v2 7/9] watchdog: keembay: MACRO for WDT enable and disable values

From: shruthi . sanil
Date: Mon May 17 2021 - 13:50:45 EST


From: Shruthi Sanil <shruthi.sanil@xxxxxxxxx>

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

Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Tested-by: Kris Pan <kris.pan@xxxxxxxxx>
Signed-off-by: Shruthi Sanil <shruthi.sanil@xxxxxxxxx>
---
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 dd192b8dff55..d8c50b6291cd 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