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| author | Magnus Damm <damm@igel.co.jp> | 2009-04-01 14:45:17 +0000 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2009-04-02 11:21:17 +0900 |
| commit | faa9fa8e448ba4c0a9d61778fd3cda1313bf1533 (patch) | |
| tree | fe47f6c4cc9a0a684519212daf8c839e70cd9984 /drivers/rtc/rtc-sh.c | |
| parent | 4ba50df685e85b9d912a290d9614ffbeb4d9f060 (diff) | |
| download | linux-faa9fa8e448ba4c0a9d61778fd3cda1313bf1533.tar.gz linux-faa9fa8e448ba4c0a9d61778fd3cda1313bf1533.tar.bz2 linux-faa9fa8e448ba4c0a9d61778fd3cda1313bf1533.zip | |
rtc: rtc-sh: use set_irq_wake()
Modify the sh_rtc driver to use set_irq_wake() during suspend
and resume. These functions are used to enable the rtc interrupts
in the interrupt controller so the rtc can be used to wakeup the
system from suspend.
Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/rtc/rtc-sh.c')
| -rw-r--r-- | drivers/rtc/rtc-sh.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index 4898f7fe8518..9b1ff12bf947 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -795,10 +795,46 @@ static int __devexit sh_rtc_remove(struct platform_device *pdev) return 0; } + +static void sh_rtc_set_irq_wake(struct device *dev, int enabled) +{ + struct platform_device *pdev = to_platform_device(dev); + struct sh_rtc *rtc = platform_get_drvdata(pdev); + + set_irq_wake(rtc->periodic_irq, enabled); + if (rtc->carry_irq > 0) { + set_irq_wake(rtc->carry_irq, enabled); + set_irq_wake(rtc->alarm_irq, enabled); + } + +} + +static int sh_rtc_suspend(struct device *dev) +{ + if (device_may_wakeup(dev)) + sh_rtc_set_irq_wake(dev, 1); + + return 0; +} + +static int sh_rtc_resume(struct device *dev) +{ + if (device_may_wakeup(dev)) + sh_rtc_set_irq_wake(dev, 0); + + return 0; +} + +static struct dev_pm_ops sh_rtc_dev_pm_ops = { + .suspend = sh_rtc_suspend, + .resume = sh_rtc_resume, +}; + static struct platform_driver sh_rtc_platform_driver = { .driver = { .name = DRV_NAME, .owner = THIS_MODULE, + .pm = &sh_rtc_dev_pm_ops, }, .probe = sh_rtc_probe, .remove = __devexit_p(sh_rtc_remove), |