watchdog: mena21: Do not use device pointer from struct watchdog_device

The device pointer in struct watchdog_device has a different lifetime
than the driver code and should not be used in drivers. Use the pointer
to the parent device instead.

Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/mena21_wdt.c b/drivers/watchdog/mena21_wdt.c
index 098fa9c..af6a7c4 100644 (file)
--- a/drivers/watchdog/mena21_wdt.c
+++ b/drivers/watchdog/mena21_wdt.c
@@ -100,12 +100,12 @@ static int a21_wdt_set_timeout(struct watchdog_device *wdt,
        struct a21_wdt_drv *drv = watchdog_get_drvdata(wdt);
 
        if (timeout != 1 && timeout != 30) {
-               dev_err(wdt->dev, "Only 1 and 30 allowed as timeout\n");
+               dev_err(wdt->parent, "Only 1 and 30 allowed as timeout\n");
                return -EINVAL;
        }
 
        if (timeout == 30 && wdt->timeout == 1) {
-               dev_err(wdt->dev,
+               dev_err(wdt->parent,
                        "Transition from fast to slow mode not allowed\n");
                return -EINVAL;
        }