diff options
Diffstat (limited to 'drivers/watchdog/max63xx_wdt.c')
| -rw-r--r-- | drivers/watchdog/max63xx_wdt.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/watchdog/max63xx_wdt.c b/drivers/watchdog/max63xx_wdt.c index 6eb91d757604..3053ff05ca41 100644 --- a/drivers/watchdog/max63xx_wdt.c +++ b/drivers/watchdog/max63xx_wdt.c @@ -28,6 +28,7 @@ #include <linux/uaccess.h> #include <linux/io.h> #include <linux/device.h> +#include <linux/slab.h> #define DEFAULT_HEARTBEAT 60 #define MAX_HEARTBEAT 60 @@ -153,9 +154,14 @@ static void max63xx_wdt_enable(struct max63xx_timeout *entry) static void max63xx_wdt_disable(void) { + u8 val; + spin_lock(&io_lock); - __raw_writeb(3, wdt_base); + val = __raw_readb(wdt_base); + val &= ~MAX6369_WDSET; + val |= 3; + __raw_writeb(val, wdt_base); spin_unlock(&io_lock); |