diff options
Diffstat (limited to 'drivers/watchdog/sp805_wdt.c')
| -rw-r--r-- | drivers/watchdog/sp805_wdt.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c index 18d4bcfd1bfc..afcd13676542 100644 --- a/drivers/watchdog/sp805_wdt.c +++ b/drivers/watchdog/sp805_wdt.c @@ -130,9 +130,16 @@ static int wdt_config(struct watchdog_device *wdd, bool ping) int ret; if (!ping) { + ret = clk_prepare(wdt->clk); + if (ret) { + dev_err(&wdt->adev->dev, "clock prepare fail"); + return ret; + } + ret = clk_enable(wdt->clk); if (ret) { dev_err(&wdt->adev->dev, "clock enable fail"); + clk_unprepare(wdt->clk); return ret; } } @@ -184,6 +191,7 @@ static int wdt_disable(struct watchdog_device *wdd) spin_unlock(&wdt->lock); clk_disable(wdt->clk); + clk_unprepare(wdt->clk); return 0; } |