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LF-922 watchdog: imx7ulp: Watchdog should continue running for wait/stop mode 

When kernel idle, system will enter wait/stop mode, wdog should continue
running in this scenario, and the refresh thread can wake up system from
wait/stop mode.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Anson Huang <Anson.Huang@nxp.com>
This commit is contained in:
Robin Gong 2020-08-05 21:24:22 +08:00
parent 2475b58432
commit 2fa771870d
1 changed files with 1 additions and 1 deletions
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2
drivers/watchdog/imx7ulp_wdt.c
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@ -147,7 +147,7 @@ static inline void imx7ulp_wdt_init(void __iomem *base, unsigned int timeout)
/* set an initial timeout value in TOVAL */
writel(timeout, base + WDOG_TOVAL);
/* enable 32bit command sequence and reconfigure */
val = BIT(13) | BIT(8) | BIT(5);
val = BIT(13) | BIT(8) | BIT(5) | BIT(1) | BIT(0);
writel(val, base + WDOG_CS);
}