diff options
| -rw-r--r-- | drivers/watchdog/s3c2410_wdt.c | 19 |
1 files changed, 8 insertions, 11 deletions
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index 25b39bf35925..f7f5aa00df60 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -402,7 +402,6 @@ static inline void s3c2410wdt_cpufreq_deregister(void) static int __devinit s3c2410wdt_probe(struct platform_device *pdev) { - struct resource *res; struct device *dev; unsigned int wtcon; int started = 0; @@ -416,20 +415,19 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev) /* get the memory region for the watchdog timer */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { + wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (wdt_mem == NULL) { dev_err(dev, "no memory resource specified\n"); return -ENOENT; } - size = resource_size(res); - wdt_mem = request_mem_region(res->start, size, pdev->name); - if (wdt_mem == NULL) { + size = resource_size(wdt_mem); + if (!request_mem_region(wdt_mem->start, size, pdev->name)) { dev_err(dev, "failed to get memory region\n"); return -EBUSY; } - wdt_base = ioremap(res->start, size); + wdt_base = ioremap(wdt_mem->start, size); if (wdt_base == NULL) { dev_err(dev, "failed to ioremap() region\n"); ret = -EINVAL; @@ -524,8 +522,8 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev) iounmap(wdt_base); err_req: - release_resource(wdt_mem); - kfree(wdt_mem); + release_mem_region(wdt_mem->start, size); + wdt_mem = NULL; return ret; } @@ -545,8 +543,7 @@ static int __devexit s3c2410wdt_remove(struct platform_device *dev) iounmap(wdt_base); - release_resource(wdt_mem); - kfree(wdt_mem); + release_mem_region(wdt_mem->start, resource_size(wdt_mem)); wdt_mem = NULL; return 0; } |