Merge git://www.linux-watchdog.org/linux-watchdog

Pull watchdog updates from Wim Van Sebroeck:
 "This contains:

   - new driver for ST's LPC Watchdog
   - new driver for Conexant Digicolor CX92755 SoC
   - new driver for DA9062 watchdog
   - Addition of the watchdog registration deferral mechanism
   - several improvements on omap_wdt
   - several improvements and reboot-support for imgpdc_wdt
   - max63xx_wdt improvements
   - imx2_wdt improvements
   - dw_wdt improvements
   - and other small improvements and fixes"

* git://www.linux-watchdog.org/linux-watchdog: (37 commits)
  watchdog: omap_wdt: early_enable module parameter
  watchdog: gpio_wdt: Add option for early registration
  watchdog: watchdog_core: Add watchdog registration deferral mechanism
  watchdog: max63xx: dynamically allocate device
  watchdog: imx2_wdt: Disable previously acquired clock on error path
  watchdog: imx2_wdt: Check for clk_prepare_enable() error
  watchdog: hpwdt: Add support for WDIOC_SETOPTIONS
  watchdog: docs: omap_wdt also understands nowayout
  watchdog: omap_wdt: implement get_timeleft
  watchdog: da9062: DA9062 watchdog driver
  watchdog: imx2_wdt: set watchdog parent device
  watchdog: mena21_wdt: Fix possible NULL pointer dereference
  watchdog: dw_wdt: keepalive the watchdog at write time
  watchdog: dw_wdt: No need for a spinlock
  watchdog: imx2_wdt: also set wdog->timeout to new_timeout
  watchdog: Allow compile test of GPIO consumers if !GPIOLIB
  watchdog: cadence: Add dependency on HAS_IOMEM
  watchdog: max63xx_wdt: Constify platform_device_id
  watchdog: MAX63XX_WATCHDOG does not depend on ARM
  watchdog: imgpdc: Add some documentation about the timeout
  ...

1 files changed, 15 insertions, 3 deletions

diff --git a/drivers/watchdog/imx2_wdt.c b/drivers/watchdog/imx2_wdt.c
index 5e6d808d358a..0bb1a1d1b170 100644
--- a/drivers/watchdog/imx2_wdt.c
+++ b/drivers/watchdog/imx2_wdt.c
@@ -166,6 +166,8 @@ static int imx2_wdt_set_timeout(struct watchdog_device *wdog,
 {
 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);
 
+	wdog->timeout = new_timeout;
+
 	regmap_update_bits(wdev->regmap, IMX2_WDT_WCR, IMX2_WDT_WCR_WT,
 			   WDOG_SEC_TO_COUNT(new_timeout));
 	return 0;
@@ -256,8 +258,11 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
 	wdog->ops		= &imx2_wdt_ops;
 	wdog->min_timeout	= 1;
 	wdog->max_timeout	= IMX2_WDT_MAX_TIME;
+	wdog->parent		= &pdev->dev;
 
-	clk_prepare_enable(wdev->clk);
+	ret = clk_prepare_enable(wdev->clk);
+	if (ret)
+		return ret;
 
 	regmap_read(wdev->regmap, IMX2_WDT_WRSR, &val);
 	wdog->bootstatus = val & IMX2_WDT_WRSR_TOUT ? WDIOF_CARDRESET : 0;
@@ -286,7 +291,7 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
 	ret = watchdog_register_device(wdog);
 	if (ret) {
 		dev_err(&pdev->dev, "cannot register watchdog device\n");
-		return ret;
+		goto disable_clk;
 	}
 
 	wdev->restart_handler.notifier_call = imx2_restart_handler;
@@ -299,6 +304,10 @@ static int __init imx2_wdt_probe(struct platform_device *pdev)
 		 wdog->timeout, nowayout);
 
 	return 0;
+
+disable_clk:
+	clk_disable_unprepare(wdev->clk);
+	return ret;
 }
 
 static int __exit imx2_wdt_remove(struct platform_device *pdev)
@@ -362,8 +371,11 @@ static int imx2_wdt_resume(struct device *dev)
 {
 	struct watchdog_device *wdog = dev_get_drvdata(dev);
 	struct imx2_wdt_device *wdev = watchdog_get_drvdata(wdog);
+	int ret;
 
-	clk_prepare_enable(wdev->clk);
+	ret = clk_prepare_enable(wdev->clk);
+	if (ret)
+		return ret;
 
 	if (watchdog_active(wdog) && !imx2_wdt_is_running(wdev)) {
 		/*