3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
commit 938626d96a3ffb9eb54552bb0d3a4f2b30ffdeb0 upstream.
Implementation of ->set_timeout() is supposed to set 'timeout' field of 'struct
watchdog_device' passed to it. sp805 was rather setting this in a local
variable. Fix it.
Reported-by: Arun Ramamurthy <arun.ramamurthy@xxxxxxxxxxxx>
Signed-off-by: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Signed-off-by: Wim Van Sebroeck <wim@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/watchdog/sp805_wdt.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
--- a/drivers/watchdog/sp805_wdt.c
+++ b/drivers/watchdog/sp805_wdt.c
@@ -62,7 +62,6 @@
* @adev: amba device structure of wdt
* @status: current status of wdt
* @load_val: load value to be set for current timeout
- * @timeout: current programmed timeout
*/
struct sp805_wdt {
spinlock_t lock;
@@ -73,7 +72,6 @@ struct sp805_wdt {
#define WDT_BUSY 0
#define WDT_CAN_BE_CLOSED 1
unsigned int load_val;
- unsigned int timeout;
};
/* local variables */
@@ -101,7 +99,7 @@ static void wdt_setload(unsigned int tim
spin_lock(&wdt->lock);
wdt->load_val = load;
/* roundup timeout to closest positive integer value */
- wdt->timeout = div_u64((load + 1) * 2 + (rate / 2), rate);
+ wdd->timeout = div_u64((load + 1) * 2 + (rate / 2), rate);
spin_unlock(&wdt->lock);
}
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