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rtc: rtc-stmp3xxx: convert stmp3xxx_rtcdrv to dev_pm_ops

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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>
This commit is contained in:
Jingoo Han 2013-04-29 16:21:03 -07:00 committed by Linus Torvalds
parent b086e392b1
commit ef69a7f061
1 changed files with 8 additions and 9 deletions
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17
drivers/rtc/rtc-stmp3xxx.c
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@ -297,15 +297,15 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev)
return err;
}
#ifdef CONFIG_PM
static int stmp3xxx_rtc_suspend(struct platform_device *dev, pm_message_t state)
#ifdef CONFIG_PM_SLEEP
static int stmp3xxx_rtc_suspend(struct device *dev)
{
return 0;
}
static int stmp3xxx_rtc_resume(struct platform_device *dev)
static int stmp3xxx_rtc_resume(struct device *dev)
{
struct stmp3xxx_rtc_data *rtc_data = platform_get_drvdata(dev);
struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
mxs_reset_block(rtc_data->io);
writel(STMP3XXX_RTC_PERSISTENT0_ALARM_EN |
@ -314,11 +314,11 @@ static int stmp3xxx_rtc_resume(struct platform_device *dev)
rtc_data->io + STMP3XXX_RTC_PERSISTENT0_CLR);
return 0;
}
#else
#define stmp3xxx_rtc_suspend NULL
#define stmp3xxx_rtc_resume NULL
#endif
static SIMPLE_DEV_PM_OPS(stmp3xxx_rtc_pm_ops, stmp3xxx_rtc_suspend,
stmp3xxx_rtc_resume);
static const struct of_device_id rtc_dt_ids[] = {
{ .compatible = "fsl,stmp3xxx-rtc", },
{ /* sentinel */ }
@ -328,11 +328,10 @@ MODULE_DEVICE_TABLE(of, rtc_dt_ids);
static struct platform_driver stmp3xxx_rtcdrv = {
.probe = stmp3xxx_rtc_probe,
.remove = stmp3xxx_rtc_remove,
.suspend = stmp3xxx_rtc_suspend,
.resume = stmp3xxx_rtc_resume,
.driver = {
.name = "stmp3xxx-rtc",
.owner = THIS_MODULE,
.pm = &stmp3xxx_rtc_pm_ops,
.of_match_table = of_match_ptr(rtc_dt_ids),
},
};