Messages in this thread Patch in this message | | | From | Jingoo Han <> | Subject | [PATCH 8/8] rtc: rtc-twl: convert twl4030rtc_driver to dev_pm_ops | Date | Thu, 28 Mar 2013 17:39:50 +0900 |
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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> --- drivers/rtc/rtc-twl.c | 16 ++++++---------- 1 files changed, 6 insertions(+), 10 deletions(-)
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c index 8bc6c80..8751a52 100644 --- a/drivers/rtc/rtc-twl.c +++ b/drivers/rtc/rtc-twl.c @@ -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), }, }; -- 1.7.2.5
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