diff options
Diffstat (limited to 'drivers/watchdog/imx7ulp_wdt.c')
| -rw-r--r-- | drivers/watchdog/imx7ulp_wdt.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/drivers/watchdog/imx7ulp_wdt.c b/drivers/watchdog/imx7ulp_wdt.c index 845c900b5bcb..b54268849ce6 100644 --- a/drivers/watchdog/imx7ulp_wdt.c +++ b/drivers/watchdog/imx7ulp_wdt.c @@ -146,15 +146,10 @@ static inline void imx7ulp_wdt_init(void __iomem *base, unsigned int timeout) local_irq_disable(); - /* - * if the wdog is in unlocked status, the UNLOCK - * sequence no need to be send. - */ - val = readl(base + WDOG_CS); - if (!(val & WDOG_CS_ULK)) { - writel(UNLOCK_SEQ0, base + WDOG_CNT); - writel(UNLOCK_SEQ1, base + WDOG_CNT); - } + /* unlock the wdog for reconfiguration */ + writel_relaxed(UNLOCK_SEQ0, base + WDOG_CNT); + writel_relaxed(UNLOCK_SEQ1, base + WDOG_CNT); + /*set an initial timeout value in TOVAL */ writel(timeout, base + WDOG_TOVAL); /* enable 32bit command sequence and reconfigure */ |