diff options
Diffstat (limited to 'drivers/watchdog/tegra_wdt.c')
| -rw-r--r-- | drivers/watchdog/tegra_wdt.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/watchdog/tegra_wdt.c b/drivers/watchdog/tegra_wdt.c index d7a9d7609a1f..d7ad6238d4f3 100644 --- a/drivers/watchdog/tegra_wdt.c +++ b/drivers/watchdog/tegra_wdt.c @@ -50,7 +50,7 @@ #define WDT_SEL_TMR1 (0 << 4) #define WDT_SYS_RST (1 << 2) -static int heartbeat = 60; +static int heartbeat = 30; struct tegra_wdt { struct miscdevice miscdev; @@ -208,6 +208,7 @@ static int tegra_wdt_probe(struct platform_device *pdev) { struct resource *res_src, *res_wdt, *res_irq; struct tegra_wdt *wdt; + u32 src; int ret = 0; if (pdev->id != -1) { @@ -262,6 +263,10 @@ static int tegra_wdt_probe(struct platform_device *pdev) goto fail; } + src = readl(wdt->wdt_source); + if (src & BIT(12)) + dev_info(&pdev->dev, "last reset due to watchdog timeout\n"); + tegra_wdt_disable(wdt); ret = request_irq(res_irq->start, tegra_wdt_interrupt, IRQF_DISABLED, @@ -292,6 +297,9 @@ static int tegra_wdt_probe(struct platform_device *pdev) platform_set_drvdata(pdev, wdt); tegra_wdt_dev = wdt; +#ifdef CONFIG_TEGRA_WATCHDOG_ENABLE_ON_PROBE + tegra_wdt_enable(wdt); +#endif return 0; fail: if (wdt->irq != -1) |