diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2013-04-29 16:20:58 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-04-29 18:28:39 -0700 |
| commit | 4dc8eb13c2b99a334ee703061e75ee71d582dd1f (patch) | |
| tree | 2c651cab09a21a9e92c43634cf3377da6f071a05 /drivers | |
| parent | 08348d2f10d2c6c326bb642eb6f46a696c26f31e (diff) | |
| download | lwn-4dc8eb13c2b99a334ee703061e75ee71d582dd1f.tar.gz lwn-4dc8eb13c2b99a334ee703061e75ee71d582dd1f.zip | |
rtc: rtc-at91sam9: convert at91_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')
| -rw-r--r-- | drivers/rtc/rtc-at91sam9.c | 23 |
1 files changed, 10 insertions, 13 deletions
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c index 7b77c27e0955..b60a34cb145a 100644 --- a/drivers/rtc/rtc-at91sam9.c +++ b/drivers/rtc/rtc-at91sam9.c @@ -404,14 +404,13 @@ static void at91_rtc_shutdown(struct platform_device *pdev) rtt_writel(rtc, MR, mr & ~rtc->imr); } -#ifdef CONFIG_PM +#ifdef CONFIG_PM_SLEEP /* AT91SAM9 RTC Power management control */ -static int at91_rtc_suspend(struct platform_device *pdev, - pm_message_t state) +static int at91_rtc_suspend(struct device *dev) { - struct sam9_rtc *rtc = platform_get_drvdata(pdev); + struct sam9_rtc *rtc = dev_get_drvdata(dev); u32 mr = rtt_readl(rtc, MR); /* @@ -420,7 +419,7 @@ static int at91_rtc_suspend(struct platform_device *pdev, */ rtc->imr = mr & (AT91_RTT_ALMIEN | AT91_RTT_RTTINCIEN); if (rtc->imr) { - if (device_may_wakeup(&pdev->dev) && (mr & AT91_RTT_ALMIEN)) { + if (device_may_wakeup(dev) && (mr & AT91_RTT_ALMIEN)) { enable_irq_wake(rtc->irq); /* don't let RTTINC cause wakeups */ if (mr & AT91_RTT_RTTINCIEN) @@ -432,13 +431,13 @@ static int at91_rtc_suspend(struct platform_device *pdev, return 0; } -static int at91_rtc_resume(struct platform_device *pdev) +static int at91_rtc_resume(struct device *dev) { - struct sam9_rtc *rtc = platform_get_drvdata(pdev); + struct sam9_rtc *rtc = dev_get_drvdata(dev); u32 mr; if (rtc->imr) { - if (device_may_wakeup(&pdev->dev)) + if (device_may_wakeup(dev)) disable_irq_wake(rtc->irq); mr = rtt_readl(rtc, MR); rtt_writel(rtc, MR, mr | rtc->imr); @@ -446,20 +445,18 @@ static int at91_rtc_resume(struct platform_device *pdev) return 0; } -#else -#define at91_rtc_suspend NULL -#define at91_rtc_resume NULL #endif +static SIMPLE_DEV_PM_OPS(at91_rtc_pm_ops, at91_rtc_suspend, at91_rtc_resume); + static struct platform_driver at91_rtc_driver = { .probe = at91_rtc_probe, .remove = at91_rtc_remove, .shutdown = at91_rtc_shutdown, - .suspend = at91_rtc_suspend, - .resume = at91_rtc_resume, .driver = { .name = "rtc-at91sam9", .owner = THIS_MODULE, + .pm = &at91_rtc_pm_ops, }, }; |