diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-04-30 03:21:02 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-30 05:28:39 +0400 |
| commit | 5936fdb9b267990158601b634bcc959cef39d33f (patch) | |
| tree | fa022d7e128c0f9c187d0bfe4432e2ba78e6aaf0 /drivers/rtc | |
| parent | 04ebc35973745c1b9af281931d6ebd3842496e8e (diff) | |
| download | linux-5936fdb9b267990158601b634bcc959cef39d33f.tar.xz | |
rtc: rtc-puv3: convert puv3_rtc_driver 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>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc')
| -rw-r--r-- | drivers/rtc/rtc-puv3.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/drivers/rtc/rtc-puv3.c b/drivers/rtc/rtc-puv3.c index 0407e13d4de4..72f437170d2e 100644 --- a/drivers/rtc/rtc-puv3.c +++ b/drivers/rtc/rtc-puv3.c @@ -207,14 +207,14 @@ static const struct rtc_class_ops puv3_rtcops = { .proc = puv3_rtc_proc, }; -static void puv3_rtc_enable(struct platform_device *pdev, int en) +static void puv3_rtc_enable(struct device *dev, int en) { if (!en) { writel(readl(RTC_RTSR) & ~RTC_RTSR_HZE, RTC_RTSR); } else { /* re-enable the device, and check it is ok */ if ((readl(RTC_RTSR) & RTC_RTSR_HZE) == 0) { - dev_info(&pdev->dev, "rtc disabled, re-enabling\n"); + dev_info(dev, "rtc disabled, re-enabling\n"); writel(readl(RTC_RTSR) | RTC_RTSR_HZE, RTC_RTSR); } } @@ -276,7 +276,7 @@ static int puv3_rtc_probe(struct platform_device *pdev) goto err_nores; } - puv3_rtc_enable(pdev, 1); + puv3_rtc_enable(&pdev->dev, 1); /* register RTC and exit */ rtc = rtc_device_register("pkunity", &pdev->dev, &puv3_rtcops, @@ -296,44 +296,41 @@ static int puv3_rtc_probe(struct platform_device *pdev) return 0; err_nortc: - puv3_rtc_enable(pdev, 0); + puv3_rtc_enable(&pdev->dev, 0); release_resource(puv3_rtc_mem); err_nores: return ret; } -#ifdef CONFIG_PM - +#ifdef CONFIG_PM_SLEEP static int ticnt_save; -static int puv3_rtc_suspend(struct platform_device *pdev, pm_message_t state) +static int puv3_rtc_suspend(struct device *dev) { /* save RTAR for anyone using periodic interrupts */ ticnt_save = readl(RTC_RTAR); - puv3_rtc_enable(pdev, 0); + puv3_rtc_enable(dev, 0); return 0; } -static int puv3_rtc_resume(struct platform_device *pdev) +static int puv3_rtc_resume(struct device *dev) { - puv3_rtc_enable(pdev, 1); + puv3_rtc_enable(dev, 1); writel(ticnt_save, RTC_RTAR); return 0; } -#else -#define puv3_rtc_suspend NULL -#define puv3_rtc_resume NULL #endif +static SIMPLE_DEV_PM_OPS(puv3_rtc_pm_ops, puv3_rtc_suspend, puv3_rtc_resume); + static struct platform_driver puv3_rtc_driver = { .probe = puv3_rtc_probe, .remove = puv3_rtc_remove, - .suspend = puv3_rtc_suspend, - .resume = puv3_rtc_resume, .driver = { .name = "PKUnity-v3-RTC", .owner = THIS_MODULE, + .pm = &puv3_rtc_pm_ops, } }; |