[PATCH V2 13/22] watchdog/mpcore_wdt: disable wdt in suspend only if it is busy
From: Viresh Kumar <hidden>
Date: 2012-03-12 04:22:08
Also in:
linux-watchdog
Subsystem:
the rest, watchdog device drivers · Maintainers:
Linus Torvalds, Wim Van Sebroeck, Guenter Roeck
We don't need to call mpcore_wdt_stop() in suspend, if wdt is not BUSY. So, call mpcore_wdt_stop() conditionally in suspend. Signed-off-by: Viresh Kumar <redacted> --- drivers/watchdog/mpcore_wdt.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/drivers/watchdog/mpcore_wdt.c b/drivers/watchdog/mpcore_wdt.c
index 3f47b7e..7ded2a0 100644
--- a/drivers/watchdog/mpcore_wdt.c
+++ b/drivers/watchdog/mpcore_wdt.c@@ -260,7 +260,9 @@ static int __devexit mpcore_wdt_remove(struct platform_device *pdev) static int mpcore_wdt_suspend(struct device *dev) { struct mpcore_wdt *wdt = dev_get_drvdata(dev); - mpcore_wdt_stop(&wdt->wdd); /* Turn the WDT off */ + + if (is_wdd_active(&wdt->wdd)) + mpcore_wdt_stop(&wdt->wdd); /* Turn the WDT off */ return 0; }
--
1.7.8.110.g4cb5d