linux-kernel - [PATCH 3.8 075/116] watchdog: sp805: Set watchdog_device->timeout from ->set

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Message-Id: <1406067727-19683-76-git-send-email-kamal@canonical.com>
Date:	Tue, 22 Jul 2014 15:21:26 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Viresh Kumar <viresh.kumar@...aro.org>,
	Wim Van Sebroeck <wim@...ana.be>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 3.8 075/116] watchdog: sp805: Set watchdog_device->timeout from ->set_timeout()

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

------------------

From: Viresh Kumar <viresh.kumar@...aro.org>

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@...adcom.com>
Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
Reviewed-by: Guenter Roeck <linux@...ck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@...ana.be>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 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 8872642..e421182 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;
-- 
1.9.1

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