diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-03-14 10:31:21 +0900 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2013-07-11 21:06:53 +0200 |
| commit | 0183984c61fdd298dde717ff1c5c2f6ce2ef3f73 (patch) | |
| tree | 618fe1176c231c66b8811278c60b18c0629ecb6f /drivers/watchdog | |
| parent | 3828924af2e24a615b302fe1da69527d58474cdc (diff) | |
watchdog: s3c2410_wdt: convert s3c2410wdt to dev_pm_ops
Instead of using legacy suspend/resume methods, using newer
dev_pm_ops structure allows better control over power management.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/s3c2410_wdt.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/watchdog/s3c2410_wdt.c b/drivers/watchdog/s3c2410_wdt.c index c3beb3adc6f..6a22cf5d35b 100644 --- a/drivers/watchdog/s3c2410_wdt.c +++ b/drivers/watchdog/s3c2410_wdt.c @@ -448,12 +448,12 @@ static void s3c2410wdt_shutdown(struct platform_device *dev) s3c2410wdt_stop(&s3c2410_wdd); } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP static unsigned long wtcon_save; static unsigned long wtdat_save; -static int s3c2410wdt_suspend(struct platform_device *dev, pm_message_t state) +static int s3c2410wdt_suspend(struct device *dev) { /* Save watchdog state, and turn it off. */ wtcon_save = readl(wdt_base + S3C2410_WTCON); @@ -465,7 +465,7 @@ static int s3c2410wdt_suspend(struct platform_device *dev, pm_message_t state) return 0; } -static int s3c2410wdt_resume(struct platform_device *dev) +static int s3c2410wdt_resume(struct device *dev) { /* Restore watchdog state. */ @@ -473,16 +473,15 @@ static int s3c2410wdt_resume(struct platform_device *dev) writel(wtdat_save, wdt_base + S3C2410_WTCNT); /* Reset count */ writel(wtcon_save, wdt_base + S3C2410_WTCON); - dev_info(&dev->dev, "watchdog %sabled\n", + dev_info(dev, "watchdog %sabled\n", (wtcon_save & S3C2410_WTCON_ENABLE) ? "en" : "dis"); return 0; } +#endif -#else -#define s3c2410wdt_suspend NULL -#define s3c2410wdt_resume NULL -#endif /* CONFIG_PM */ +static SIMPLE_DEV_PM_OPS(s3c2410wdt_pm_ops, s3c2410wdt_suspend, + s3c2410wdt_resume); #ifdef CONFIG_OF static const struct of_device_id s3c2410_wdt_match[] = { @@ -496,11 +495,10 @@ static struct platform_driver s3c2410wdt_driver = { .probe = s3c2410wdt_probe, .remove = s3c2410wdt_remove, .shutdown = s3c2410wdt_shutdown, - .suspend = s3c2410wdt_suspend, - .resume = s3c2410wdt_resume, .driver = { .owner = THIS_MODULE, .name = "s3c2410-wdt", + .pm = &s3c2410wdt_pm_ops, .of_match_table = of_match_ptr(s3c2410_wdt_match), }, }; |