Simplify dw watchdog enable function by using
proper macro and drop unwanted macros.
Cc: Chin Liang See <cl...@altera.com>
Cc: Andy Shevchenko <andriy.shevche...@linux.intel.com>
Signed-off-by: Jagan Teki <ja...@amarulasolutions.com>
---
drivers/watchdog/designware_wdt.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/drivers/watchdog/designware_wdt.c
b/drivers/watchdog/designware_wdt.c
index bd858f0608..2979fda44e 100644
--- a/drivers/watchdog/designware_wdt.c
+++ b/drivers/watchdog/designware_wdt.c
@@ -14,7 +14,6 @@
#define DW_WDT_CR_EN_OFFSET 0x00
#define DW_WDT_CR_RMOD_OFFSET 0x01
-#define DW_WDT_CR_RMOD_VAL 0x00
#define DW_WDT_CRR_RESTART_VAL 0x76
/*
@@ -38,9 +37,11 @@ static int designware_wdt_settimeout(unsigned int timeout)
static void designware_wdt_enable(void)
{
- writel(((DW_WDT_CR_RMOD_VAL << DW_WDT_CR_RMOD_OFFSET) |
- (0x1 << DW_WDT_CR_EN_OFFSET)),
- (CONFIG_DW_WDT_BASE + DW_WDT_CR));
+ u32 val = readl(CONFIG_DW_WDT_BASE + DW_WDT_CR);
+
+ /* Enable watchdog */
+ val |= DW_WDT_CR_RMOD_OFFSET;
+ writel(val, CONFIG_DW_WDT_BASE + DW_WDT_CR);
}
static unsigned int designware_wdt_is_enabled(void)
--
2.18.0.321.gffc6fa0e3
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