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watchdog: imx2_wdt: select pinctrl state during suspend/resume 

To support suspend/resume from LPSR mode, we need to select default
pinctrl state in resume, so that IOMUXC settings can be restored.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
pull/10/head
Shawn Guo 2019-08-28 12:48:40 +02:00 committed by Steinar Bakkemo
parent c65993b5e8
commit 3c43703aa1
1 changed files with 4 additions and 0 deletions
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4
drivers/watchdog/imx2_wdt.c
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@ -396,6 +396,8 @@ static int imx2_wdt_suspend(struct device *dev)
clk_disable_unprepare(wdev->clk);
pinctrl_pm_select_sleep_state(dev);
return 0;
}
@ -406,6 +408,8 @@ static int imx2_wdt_resume(struct device *dev)
struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);
int ret;
pinctrl_pm_select_default_state(dev);
ret = clk_prepare_enable(wdev->clk);
if (ret)
return ret;