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stmp3xxx_rtc_wdt: Add suspend/resume PM support

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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: Janusz Uzycki <j.uzycki@elproma.com.pl>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
This commit is contained in:
Janusz Uzycki 2014-09-22 22:55:47 +02:00 committed by Wim Van Sebroeck
parent 5e9c16e376
commit 3281b85c86
1 changed files with 24 additions and 0 deletions
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24
drivers/watchdog/stmp3xxx_rtc_wdt.c
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@ -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,