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rtc: rtc-bfin: convert bfin_rtc_driver 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 16:20:59 -07:00 • committed by Linus Torvalds
parent 4dc8eb13c2
commit b4df8f6ca1
1 changed files with 6 additions and 12 deletions
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18
drivers/rtc/rtc-bfin.c
View file

@ -396,11 +396,9 @@ static int bfin_rtc_remove(struct platform_device *pdev)
return 0; return 0;
} }
#ifdef CONFIG_PM #ifdef CONFIG_PM_SLEEP
static int bfin_rtc_suspend(struct platform_device *pdev, pm_message_t state) static int bfin_rtc_suspend(struct device *dev)
{ {
struct device *dev = &pdev->dev;
dev_dbg_stamp(dev); dev_dbg_stamp(dev);
if (device_may_wakeup(dev)) { if (device_may_wakeup(dev)) {
@ -412,10 +410,8 @@ static int bfin_rtc_suspend(struct platform_device *pdev, pm_message_t state)
return 0; return 0;
} }
static int bfin_rtc_resume(struct platform_device *pdev) static int bfin_rtc_resume(struct device *dev)
{ {
struct device *dev = &pdev->dev;
dev_dbg_stamp(dev); dev_dbg_stamp(dev);
if (device_may_wakeup(dev)) if (device_may_wakeup(dev))
@ -434,20 +430,18 @@ static int bfin_rtc_resume(struct platform_device *pdev)
return 0; return 0;
} }
#else
# define bfin_rtc_suspend NULL
# define bfin_rtc_resume NULL
#endif #endif
static SIMPLE_DEV_PM_OPS(bfin_rtc_pm_ops, bfin_rtc_suspend, bfin_rtc_resume);
static struct platform_driver bfin_rtc_driver = { static struct platform_driver bfin_rtc_driver = {
.driver = { .driver = {
.name = "rtc-bfin", .name = "rtc-bfin",
.owner = THIS_MODULE, .owner = THIS_MODULE,
.pm = &bfin_rtc_pm_ops,
}, },
.probe = bfin_rtc_probe, .probe = bfin_rtc_probe,
.remove = bfin_rtc_remove, .remove = bfin_rtc_remove,
.suspend = bfin_rtc_suspend,
.resume = bfin_rtc_resume,
}; };
module_platform_driver(bfin_rtc_driver); module_platform_driver(bfin_rtc_driver);