Messages in this thread Patch in this message |  | | From | Krzysztof Kozlowski <> | Subject | [PATCH v2 4/5] rtc: s5m: Enable IRQ wake during suspend | Date | Thu, 28 Nov 2013 09:09:42 +0100 |
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Add PM suspend/resume ops to rtc-s5m driver and enable IRQ wake during suspend so the RTC would act like a wake up source. This allows waking up from suspend to RAM on RTC alarm interrupt.
Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com> --- drivers/rtc/rtc-s5m.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+)
diff --git a/drivers/rtc/rtc-s5m.c b/drivers/rtc/rtc-s5m.c index 51471c1..ae8119d 100644 --- a/drivers/rtc/rtc-s5m.c +++ b/drivers/rtc/rtc-s5m.c @@ -639,6 +639,30 @@ static void s5m_rtc_shutdown(struct platform_device *pdev) s5m_rtc_enable_smpl(info, false); } +static int s5m_rtc_resume(struct device *dev) +{ + struct s5m_rtc_info *info = dev_get_drvdata(dev); + int ret = 0; + + if (device_may_wakeup(dev)) + ret = disable_irq_wake(info->irq); + + return ret; +} + +static int s5m_rtc_suspend(struct device *dev) +{ + struct s5m_rtc_info *info = dev_get_drvdata(dev); + int ret = 0; + + if (device_may_wakeup(dev)) + ret = enable_irq_wake(info->irq); + + return ret; +} + +static SIMPLE_DEV_PM_OPS(s5m_rtc_pm_ops, s5m_rtc_suspend, s5m_rtc_resume); + static const struct platform_device_id s5m_rtc_id[] = { { "s5m-rtc", 0 }, }; @@ -647,6 +671,7 @@ static struct platform_driver s5m_rtc_driver = { .driver = { .name = "s5m-rtc", .owner = THIS_MODULE, + .pm = &s5m_rtc_pm_ops, }, .probe = s5m_rtc_probe, .shutdown = s5m_rtc_shutdown, -- 1.7.9.5
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