diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/mtk_wdt.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/watchdog/mtk_wdt.c b/drivers/watchdog/mtk_wdt.c index e97787536792..08763ff950c6 100644 --- a/drivers/watchdog/mtk_wdt.c +++ b/drivers/watchdog/mtk_wdt.c @@ -175,9 +175,15 @@ static int mtk_wdt_restart(struct watchdog_device *wdt_dev, { struct mtk_wdt_dev *mtk_wdt = watchdog_get_drvdata(wdt_dev); void __iomem *wdt_base; + u32 reg; wdt_base = mtk_wdt->wdt_base; + /* Enable reset in order to issue a system reset instead of an IRQ */ + reg = readl(wdt_base + WDT_MODE); + reg &= ~WDT_MODE_IRQ_EN; + writel(reg | WDT_MODE_KEY, wdt_base + WDT_MODE); + while (1) { writel(WDT_SWRST_KEY, wdt_base + WDT_SWRST); mdelay(5); |