Commit 641e4f44 authored by Peter Fordham's avatar Peter Fordham Committed by Wim Van Sebroeck

watchdog: mpcore_wdt: Add suspend/resume support.

Add support for suspend and resume to the MPCore watchdog driver.
Signed-off-by: default avatarPeter Fordham <peter.fordham@gmail.com>
Signed-off-by: default avatarWim Van Sebroeck <wim@iguana.be>
parent fad0a9dd
......@@ -407,12 +407,35 @@ static int __devexit mpcore_wdt_remove(struct platform_device *dev)
return 0;
}
#ifdef CONFIG_PM
static int mpcore_wdt_suspend(struct platform_device *dev, pm_message_t msg)
{
struct mpcore_wdt *wdt = platform_get_drvdata(dev);
mpcore_wdt_stop(wdt); /* Turn the WDT off */
return 0;
}
static int mpcore_wdt_resume(struct platform_device *dev)
{
struct mpcore_wdt *wdt = platform_get_drvdata(dev);
/* re-activate timer */
if (test_bit(0, &wdt->timer_alive))
mpcore_wdt_start(wdt);
return 0;
}
#else
#define mpcore_wdt_suspend NULL
#define mpcore_wdt_resume NULL
#endif
/* work with hotplug and coldplug */
MODULE_ALIAS("platform:mpcore_wdt");
static struct platform_driver mpcore_wdt_driver = {
.probe = mpcore_wdt_probe,
.remove = __devexit_p(mpcore_wdt_remove),
.suspend = mpcore_wdt_suspend,
.resume = mpcore_wdt_resume,
.shutdown = mpcore_wdt_shutdown,
.driver = {
.owner = THIS_MODULE,
......
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