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rtc: rtc-twl: convert twl4030rtc_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 16:21:04 -07:00 committed by Linus Torvalds
parent ef69a7f061
commit b9d8c4603e
1 changed files with 6 additions and 10 deletions
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16
drivers/rtc/rtc-twl.c
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@ -566,11 +566,10 @@ static void twl_rtc_shutdown(struct platform_device *pdev)
mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
}
#ifdef CONFIG_PM
#ifdef CONFIG_PM_SLEEP
static unsigned char irqstat;
static int twl_rtc_suspend(struct platform_device *pdev, pm_message_t state)
static int twl_rtc_suspend(struct device *dev)
{
irqstat = rtc_irq_bits;
@ -578,17 +577,15 @@ static int twl_rtc_suspend(struct platform_device *pdev, pm_message_t state)
return 0;
}
static int twl_rtc_resume(struct platform_device *pdev)
static int twl_rtc_resume(struct device *dev)
{
set_rtc_irq_bit(irqstat);
return 0;
}
#else
#define twl_rtc_suspend NULL
#define twl_rtc_resume NULL
#endif
static SIMPLE_DEV_PM_OPS(twl_rtc_pm_ops, twl_rtc_suspend, twl_rtc_resume);
#ifdef CONFIG_OF
static const struct of_device_id twl_rtc_of_match[] = {
{.compatible = "ti,twl4030-rtc", },
@ -603,11 +600,10 @@ static struct platform_driver twl4030rtc_driver = {
.probe = twl_rtc_probe,
.remove = twl_rtc_remove,
.shutdown = twl_rtc_shutdown,
.suspend = twl_rtc_suspend,
.resume = twl_rtc_resume,
.driver = {
.owner = THIS_MODULE,
.name = "twl_rtc",
.pm = &twl_rtc_pm_ops,
.of_match_table = of_match_ptr(twl_rtc_of_match),
},
};