diff options
Diffstat (limited to 'drivers/watchdog/sama5d4_wdt.c')
| -rw-r--r-- | drivers/watchdog/sama5d4_wdt.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/watchdog/sama5d4_wdt.c b/drivers/watchdog/sama5d4_wdt.c index ec20ad4e534f..13e72918338a 100644 --- a/drivers/watchdog/sama5d4_wdt.c +++ b/drivers/watchdog/sama5d4_wdt.c @@ -11,7 +11,6 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/of.h> -#include <linux/of_device.h> #include <linux/of_irq.h> #include <linux/platform_device.h> #include <linux/reboot.h> @@ -255,6 +254,7 @@ static int sama5d4_wdt_probe(struct platform_device *pdev) struct sama5d4_wdt *wdt; void __iomem *regs; u32 irq = 0; + u32 reg; int ret; wdt = devm_kzalloc(dev, sizeof(*wdt), GFP_KERNEL); @@ -305,6 +305,12 @@ static int sama5d4_wdt_probe(struct platform_device *pdev) watchdog_init_timeout(wdd, wdt_timeout, dev); + reg = wdt_read(wdt, AT91_WDT_MR); + if (!(reg & AT91_WDT_WDDIS)) { + wdt->mr &= ~AT91_WDT_WDDIS; + set_bit(WDOG_HW_RUNNING, &wdd->status); + } + ret = sama5d4_wdt_init(wdt); if (ret) return ret; @@ -339,7 +345,6 @@ static const struct of_device_id sama5d4_wdt_of_match[] = { }; MODULE_DEVICE_TABLE(of, sama5d4_wdt_of_match); -#ifdef CONFIG_PM_SLEEP static int sama5d4_wdt_suspend_late(struct device *dev) { struct sama5d4_wdt *wdt = dev_get_drvdata(dev); @@ -366,18 +371,17 @@ static int sama5d4_wdt_resume_early(struct device *dev) return 0; } -#endif static const struct dev_pm_ops sama5d4_wdt_pm_ops = { - SET_LATE_SYSTEM_SLEEP_PM_OPS(sama5d4_wdt_suspend_late, - sama5d4_wdt_resume_early) + LATE_SYSTEM_SLEEP_PM_OPS(sama5d4_wdt_suspend_late, + sama5d4_wdt_resume_early) }; static struct platform_driver sama5d4_wdt_driver = { .probe = sama5d4_wdt_probe, .driver = { .name = "sama5d4_wdt", - .pm = &sama5d4_wdt_pm_ops, + .pm = pm_sleep_ptr(&sama5d4_wdt_pm_ops), .of_match_table = sama5d4_wdt_of_match, } }; |