watchdog: fix set_timeout operations

Since we changed the behaviour of the set_timeout operation in the
watchdog API, we need to change the allready converted drivers so
that they update the timeout field at the end of the set_timeout
operation.

Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

drivers/staging/mei/wd.c

@@ -323,6 +323,7 @@ static int mei_wd_ops_set_timeout(struct watchdog_device *wd_dev, unsigned int t
 	mutex_lock(&dev->device_lock);
 
 	dev->wd_timeout = timeout;
+	wd_dev->timeout = timeout;
 	mei_wd_set_start_timeout(dev, dev->wd_timeout);
 
 	mutex_unlock(&dev->device_lock);

drivers/watchdog/jz4740_wdt.c

@@ -109,6 +109,7 @@ static int jz4740_wdt_set_timeout(struct watchdog_device *wdt_dev,
 
 	writeb(0x1, drvdata->base + JZ_REG_WDT_COUNTER_ENABLE);
 
+	wdt_dev->timeout = new_timeout;
 	return 0;
 }
 

drivers/watchdog/pnx4008_wdt.c

@@ -121,6 +121,7 @@ static int pnx4008_wdt_stop(struct watchdog_device *wdd)
 static int pnx4008_wdt_set_timeout(struct watchdog_device *wdd,
 				    unsigned int new_timeout)
 {
+	wdd->timeout = new_timeout;
 	return 0;
 }
 

drivers/watchdog/s3c2410_wdt.c

@@ -201,6 +201,8 @@ static int s3c2410wdt_set_heartbeat(struct watchdog_device *wdd, unsigned timeou
 	writel(count, wdt_base + S3C2410_WTDAT);
 	writel(wtcon, wdt_base + S3C2410_WTCON);
 
+	wdd->timeout = timeout;
+
 	return 0;
 }
 

drivers/watchdog/via_wdt.c

@@ -101,15 +101,15 @@ static void wdt_timer_tick(unsigned long data)
 static int wdt_ping(struct watchdog_device *wdd)
 {
 	/* calculate when the next userspace timeout will be */
-	next_heartbeat = jiffies + timeout * HZ;
+	next_heartbeat = jiffies + wdd->timeout * HZ;
 	return 0;
 }
 
 static int wdt_start(struct watchdog_device *wdd)
 {
 	unsigned int ctl = readl(wdt_mem);
 
-	writel(timeout, wdt_mem + VIA_WDT_COUNT);
+	writel(wdd->timeout, wdt_mem + VIA_WDT_COUNT);
 	writel(ctl | VIA_WDT_RUNNING | VIA_WDT_TRIGGER, wdt_mem);
 	wdt_ping(wdd);
 	mod_timer(&timer, jiffies + WDT_HEARTBEAT);
@@ -128,7 +128,7 @@ static int wdt_set_timeout(struct watchdog_device *wdd,
 			   unsigned int new_timeout)
 {
 	writel(new_timeout, wdt_mem + VIA_WDT_COUNT);
-	timeout = new_timeout;
+	wdd->timeout = new_timeout;
 	return 0;
 }
 

drivers/watchdog/wm831x_wdt.c

@@ -163,6 +163,8 @@ static int wm831x_wdt_set_timeout(struct watchdog_device *wdt_dev,
 			ret);
 	}
 
+	wdt_dev->timeout = timeout;
+
 	return ret;
 }
 

drivers/watchdog/wm8350_wdt.c

@@ -60,6 +60,7 @@ static int wm8350_wdt_set_timeout(struct watchdog_device *wdt_dev,
 	wm8350_reg_lock(wm8350);
 	mutex_unlock(&wdt_mutex);
 
+	wdt_dev->timeout = timeout;
 	return ret;
 }