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Commit 3281b85c authored by Janusz Uzycki's avatar Janusz Uzycki Committed by Wim Van Sebroeck
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stmp3xxx_rtc_wdt: Add suspend/resume PM support 



There is no conflict with rtc/rtc-stmp3xxx.c parent
because modified registers in PM functions of stmp3xxx_rtc_wdt
are different.

Signed-off-by: default avatarJanusz Uzycki <j.uzycki@elproma.com.pl>
Reviewed-by: default avatarGuenter Roeck <linux@roeck-us.net>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent 5e9c16e3

drivers/watchdog/stmp3xxx_rtc_wdt.c

+24 −0
Original line number Diff line number Diff line
@@ -94,9 +94,33 @@ static int stmp3xxx_wdt_remove(struct platform_device *pdev) 
	return 0;

}



static int __maybe_unused stmp3xxx_wdt_suspend(struct device *dev)

{

	struct watchdog_device *wdd = &stmp3xxx_wdd;



	if (watchdog_active(wdd))

		return wdt_stop(wdd);



	return 0;

}



static int __maybe_unused stmp3xxx_wdt_resume(struct device *dev)

{

	struct watchdog_device *wdd = &stmp3xxx_wdd;



	if (watchdog_active(wdd))

		return wdt_start(wdd);



	return 0;

}



static SIMPLE_DEV_PM_OPS(stmp3xxx_wdt_pm_ops,

			 stmp3xxx_wdt_suspend, stmp3xxx_wdt_resume);



static struct platform_driver stmp3xxx_wdt_driver = {

	.driver = {

		.name = "stmp3xxx_rtc_wdt",

		.pm = &stmp3xxx_wdt_pm_ops,

	},

	.probe = stmp3xxx_wdt_probe,

	.remove = stmp3xxx_wdt_remove,