Add a missing _restart function to watchdog_ops.
FTWDT010 resets system when it is started with timeout = 0.
Signed-off-by: Sergei Antonov <saproj@xxxxxxxxx>
---
drivers/watchdog/ftwdt010_wdt.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/watchdog/ftwdt010_wdt.c b/drivers/watchdog/ftwdt010_wdt.c
index 21dcc7765688..9eaaaca1094d 100644
--- a/drivers/watchdog/ftwdt010_wdt.c
+++ b/drivers/watchdog/ftwdt010_wdt.c
@@ -93,6 +93,13 @@ static int ftwdt010_wdt_set_timeout(struct watchdog_device *wdd,
return 0;
}
+static int ftwdt010_wdt_restart(struct watchdog_device *wdd,
+ unsigned long action, void *data)
+{
+ wdd->timeout = 0;
+ return ftwdt010_wdt_start(wdd);
+}
+
static irqreturn_t ftwdt010_wdt_interrupt(int irq, void *data)
{
struct ftwdt010_wdt *gwdt = data;
@@ -107,6 +114,7 @@ static const struct watchdog_ops ftwdt010_wdt_ops = {
.stop = ftwdt010_wdt_stop,
.ping = ftwdt010_wdt_ping,
.set_timeout = ftwdt010_wdt_set_timeout,
+ .restart = ftwdt010_wdt_restart,
.owner = THIS_MODULE,
};
--
2.34.1
