[PATCH 3.12 023/170] watchdog: sp805: Set watchdog_device->timeout from ->set_timeout()

From: Jiri Slaby
Date: Fri Jul 18 2014 - 09:16:07 EST


From: Viresh Kumar <viresh.kumar@xxxxxxxxxx>

3.12-stable review patch. If anyone has any objections, please let me know.

===============

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: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/watchdog/sp805_wdt.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/watchdog/sp805_wdt.c b/drivers/watchdog/sp805_wdt.c
index 58df98aec122..2cf02ffbf9d8 100644
--- a/drivers/watchdog/sp805_wdt.c
+++ b/drivers/watchdog/sp805_wdt.c
@@ -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;
--
2.0.0

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