diff options
| -rw-r--r-- | drivers/watchdog/ar7_wdt.c | 33 |
1 files changed, 10 insertions, 23 deletions
diff --git a/drivers/watchdog/ar7_wdt.c b/drivers/watchdog/ar7_wdt.c index 639ae9a..dc30dbd 100644 --- a/drivers/watchdog/ar7_wdt.c +++ b/drivers/watchdog/ar7_wdt.c @@ -282,29 +282,19 @@ static int __devinit ar7_wdt_probe(struct platform_device *pdev) platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs"); if (!ar7_regs_wdt) { pr_err("could not get registers resource\n"); - rc = -ENODEV; - goto out; - } - - if (!request_mem_region(ar7_regs_wdt->start, - resource_size(ar7_regs_wdt), LONGNAME)) { - pr_warn("watchdog I/O region busy\n"); - rc = -EBUSY; - goto out; + return -ENODEV; } - ar7_wdt = ioremap(ar7_regs_wdt->start, resource_size(ar7_regs_wdt)); + ar7_wdt = devm_request_and_ioremap(&pdev->dev, ar7_regs_wdt); if (!ar7_wdt) { pr_err("could not ioremap registers\n"); - rc = -ENXIO; - goto out_mem_region; + return -ENXIO; } vbus_clk = clk_get(NULL, "vbus"); if (IS_ERR(vbus_clk)) { pr_err("could not get vbus clock\n"); - rc = PTR_ERR(vbus_clk); - goto out_mem_region; + return PTR_ERR(vbus_clk); } ar7_wdt_disable_wdt(); @@ -314,24 +304,21 @@ static int __devinit ar7_wdt_probe(struct platform_device *pdev) rc = misc_register(&ar7_wdt_miscdev); if (rc) { pr_err("unable to register misc device\n"); - goto out_alloc; + goto out; } - goto out; + return 0; -out_alloc: - iounmap(ar7_wdt); -out_mem_region: - release_mem_region(ar7_regs_wdt->start, resource_size(ar7_regs_wdt)); out: + clk_put(vbus_clk); + vbus_clk = NULL; return rc; } static int __devexit ar7_wdt_remove(struct platform_device *pdev) { misc_deregister(&ar7_wdt_miscdev); - iounmap(ar7_wdt); - release_mem_region(ar7_regs_wdt->start, resource_size(ar7_regs_wdt)); - + clk_put(vbus_clk); + vbus_clk = NULL; return 0; } |
