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path: root/drivers/watchdog/sama5d4_wdt.c
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Diffstat (limited to 'drivers/watchdog/sama5d4_wdt.c')
-rw-r--r--drivers/watchdog/sama5d4_wdt.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/watchdog/sama5d4_wdt.c b/drivers/watchdog/sama5d4_wdt.c
index aeee934ca51b..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;