watchdog: sp805: Set watchdog_device->timeout from ->set_timeout()
authorViresh Kumar <viresh.kumar@linaro.org>
Thu, 15 May 2014 04:31:59 +0000 (10:01 +0530)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 7 Jul 2014 01:54:14 +0000 (18:54 -0700)
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@broadcom.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/watchdog/sp805_wdt.c

index 8872642505c0a71a027ccbce25d2e9f3eebe468a..e42118213ba5c90b1fa221b11e97f2f2353b217f 100644 (file)
@@ -60,7 +60,6 @@
  * @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 {
        struct watchdog_device          wdd;
@@ -69,7 +68,6 @@ struct sp805_wdt {
        struct clk                      *clk;
        struct amba_device              *adev;
        unsigned int                    load_val;
-       unsigned int                    timeout;
 };
 
 static bool nowayout = WATCHDOG_NOWAYOUT;
@@ -99,7 +97,7 @@ static int wdt_setload(struct watchdog_device *wdd, unsigned int timeout)
        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);
 
        return 0;