diff options
Diffstat (limited to 'drivers/watchdog/shwdt.c')
| -rw-r--r-- | drivers/watchdog/shwdt.c | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/drivers/watchdog/shwdt.c b/drivers/watchdog/shwdt.c index 6185af2b331..061756e36cf 100644 --- a/drivers/watchdog/shwdt.c +++ b/drivers/watchdog/shwdt.c @@ -26,7 +26,6 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/spinlock.h> -#include <linux/miscdevice.h> #include <linux/watchdog.h> #include <linux/pm_runtime.h> #include <linux/fs.h> @@ -241,7 +240,7 @@ static int sh_wdt_probe(struct platform_device *pdev) wdt->dev = &pdev->dev; - wdt->clk = clk_get(&pdev->dev, NULL); + wdt->clk = devm_clk_get(&pdev->dev, NULL); if (IS_ERR(wdt->clk)) { /* * Clock framework support is optional, continue on @@ -251,10 +250,8 @@ static int sh_wdt_probe(struct platform_device *pdev) } wdt->base = devm_ioremap_resource(wdt->dev, res); - if (IS_ERR(wdt->base)) { - rc = PTR_ERR(wdt->base); - goto err; - } + if (IS_ERR(wdt->base)) + return PTR_ERR(wdt->base); watchdog_set_nowayout(&sh_wdt_dev, nowayout); watchdog_set_drvdata(&sh_wdt_dev, wdt); @@ -277,7 +274,7 @@ static int sh_wdt_probe(struct platform_device *pdev) rc = watchdog_register_device(&sh_wdt_dev); if (unlikely(rc)) { dev_err(&pdev->dev, "Can't register watchdog (err=%d)\n", rc); - goto err; + return rc; } init_timer(&wdt->timer); @@ -285,30 +282,18 @@ static int sh_wdt_probe(struct platform_device *pdev) wdt->timer.data = (unsigned long)wdt; wdt->timer.expires = next_ping_period(clock_division_ratio); - platform_set_drvdata(pdev, wdt); - dev_info(&pdev->dev, "initialized.\n"); pm_runtime_enable(&pdev->dev); return 0; - -err: - clk_put(wdt->clk); - - return rc; } static int sh_wdt_remove(struct platform_device *pdev) { - struct sh_wdt *wdt = platform_get_drvdata(pdev); - - platform_set_drvdata(pdev, NULL); - watchdog_unregister_device(&sh_wdt_dev); pm_runtime_disable(&pdev->dev); - clk_put(wdt->clk); return 0; } @@ -353,7 +338,6 @@ MODULE_AUTHOR("Paul Mundt <lethal@linux-sh.org>"); MODULE_DESCRIPTION("SuperH watchdog driver"); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:" DRV_NAME); -MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR); module_param(clock_division_ratio, int, 0); MODULE_PARM_DESC(clock_division_ratio, |