Merge ../linux-2.6-watchdog-mm

[linux-drm-fsl-dcu.git] / drivers / char / watchdog / s3c2410_wdt.c

diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c
index b36a04ae9ab8e96306a35ce07680aed56bae40d2..18cb050c38624b6eb76bc658849c8cecd107c950 100644 (file)
--- a/drivers/char/watchdog/s3c2410_wdt.c
+++ b/drivers/char/watchdog/s3c2410_wdt.c
@@ -336,8 +336,7 @@ static struct miscdevice s3c2410wdt_miscdev = {
 
 /* interrupt handler code */
 
-static irqreturn_t s3c2410wdt_irq(int irqno, void *param,
-                                 struct pt_regs *regs)
+static irqreturn_t s3c2410wdt_irq(int irqno, void *param)
 {
        printk(KERN_INFO PFX "Watchdog timer expired!\n");
 
@@ -381,18 +380,21 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
        res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
        if (res == NULL) {
                printk(KERN_INFO PFX "failed to get irq resource\n");
+               iounmap(wdt_base);
                return -ENOENT;
        }
 
        ret = request_irq(res->start, s3c2410wdt_irq, 0, pdev->name, pdev);
        if (ret != 0) {
                printk(KERN_INFO PFX "failed to install irq (%d)\n", ret);
+               iounmap(wdt_base);
                return ret;
        }
 
        wdt_clock = clk_get(&pdev->dev, "watchdog");
        if (wdt_clock == NULL) {
                printk(KERN_INFO PFX "failed to find watchdog clock source\n");
+               iounmap(wdt_base);
                return -ENOENT;
        }
 
@@ -416,6 +418,7 @@ static int s3c2410wdt_probe(struct platform_device *pdev)
        if (ret) {
                printk (KERN_ERR PFX "cannot register miscdev on minor=%d (%d)\n",
                        WATCHDOG_MINOR, ret);
+               iounmap(wdt_base);
                return ret;
        }
 
@@ -452,6 +455,7 @@ static int s3c2410wdt_remove(struct platform_device *dev)
                wdt_clock = NULL;
        }
 
+       iounmap(wdt_base);
        misc_deregister(&s3c2410wdt_miscdev);
        return 0;
 }