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path: root/drivers/watchdog/s3c2410_wdt.c
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Diffstat (limited to 'drivers/watchdog/s3c2410_wdt.c')
-rw-r--r--drivers/watchdog/s3c2410_wdt.c19
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)
402 402
403static int __devinit s3c2410wdt_probe(struct platform_device *pdev) 403static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
404{ 404{
405 struct resource *res;
406 struct device *dev; 405 struct device *dev;
407 unsigned int wtcon; 406 unsigned int wtcon;
408 int started = 0; 407 int started = 0;
@@ -416,20 +415,19 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
416 415
417 /* get the memory region for the watchdog timer */ 416 /* get the memory region for the watchdog timer */
418 417
419 res = platform_get_resource(pdev, IORESOURCE_MEM, 0); 418 wdt_mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
420 if (res == NULL) { 419 if (wdt_mem == NULL) {
421 dev_err(dev, "no memory resource specified\n"); 420 dev_err(dev, "no memory resource specified\n");
422 return -ENOENT; 421 return -ENOENT;
423 } 422 }
424 423
425 size = resource_size(res); 424 size = resource_size(wdt_mem);
426 wdt_mem = request_mem_region(res->start, size, pdev->name); 425 if (!request_mem_region(wdt_mem->start, size, pdev->name)) {
427 if (wdt_mem == NULL) {
428 dev_err(dev, "failed to get memory region\n"); 426 dev_err(dev, "failed to get memory region\n");
429 return -EBUSY; 427 return -EBUSY;
430 } 428 }
431 429
432 wdt_base = ioremap(res->start, size); 430 wdt_base = ioremap(wdt_mem->start, size);
433 if (wdt_base == NULL) { 431 if (wdt_base == NULL) {
434 dev_err(dev, "failed to ioremap() region\n"); 432 dev_err(dev, "failed to ioremap() region\n");
435 ret = -EINVAL; 433 ret = -EINVAL;
@@ -524,8 +522,8 @@ static int __devinit s3c2410wdt_probe(struct platform_device *pdev)
524 iounmap(wdt_base); 522 iounmap(wdt_base);
525 523
526 err_req: 524 err_req:
527 release_resource(wdt_mem); 525 release_mem_region(wdt_mem->start, size);
528 kfree(wdt_mem); 526 wdt_mem = NULL;
529 527
530 return ret; 528 return ret;
531} 529}
@@ -545,8 +543,7 @@ static int __devexit s3c2410wdt_remove(struct platform_device *dev)
545 543
546 iounmap(wdt_base); 544 iounmap(wdt_base);
547 545
548 release_resource(wdt_mem); 546 release_mem_region(wdt_mem->start, resource_size(wdt_mem));
549 kfree(wdt_mem);
550 wdt_mem = NULL; 547 wdt_mem = NULL;
551 return 0; 548 return 0;
552} 549}