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| author | Mike Frysinger <vapier.adi@gmail.com> | 2008-08-05 13:01:18 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-08-05 14:33:47 -0700 |
| commit | 813006f4bb4a39afdde8ab2e3559971c029d1dc0 (patch) | |
| tree | 599c70a70ba38f557ec439e73f9fe4620af0b970 /drivers/rtc/rtc-bfin.c | |
| parent | 5aeb776d0c2bb1dd3ef01f4805929e2bc2923e7b (diff) | |
| download | linux-813006f4bb4a39afdde8ab2e3559971c029d1dc0.tar.gz linux-813006f4bb4a39afdde8ab2e3559971c029d1dc0.tar.bz2 linux-813006f4bb4a39afdde8ab2e3559971c029d1dc0.zip | |
blackfin RTC driver: add support for power management framework
Signed-off-by: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Cc: David Brownell <david-b@pacbell.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-bfin.c')
| -rw-r--r-- | drivers/rtc/rtc-bfin.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c index a568d29b0742..23b991d41ef1 100644 --- a/drivers/rtc/rtc-bfin.c +++ b/drivers/rtc/rtc-bfin.c @@ -2,7 +2,7 @@ * Blackfin On-Chip Real Time Clock Driver * Supports BF52[257]/BF53[123]/BF53[467]/BF54[24789] * - * Copyright 2004-2007 Analog Devices Inc. + * Copyright 2004-2008 Analog Devices Inc. * * Enter bugs at http://blackfin.uclinux.org/ * @@ -412,6 +412,8 @@ static int __devinit bfin_rtc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rtc); + device_init_wakeup(&pdev->dev, 1); + return 0; err: @@ -433,25 +435,28 @@ static int __devexit bfin_rtc_remove(struct platform_device *pdev) #ifdef CONFIG_PM static int bfin_rtc_suspend(struct platform_device *pdev, pm_message_t state) { -#ifdef PM_WAKEUP_SIC_IWR struct bfin_rtc *rtc = dev_get_drvdata(&pdev->dev); -#endif - bfin_rtc_reset(&pdev->dev); -#ifdef PM_WAKEUP_SIC_IWR - bfin_write_RTC_SWCNT(10); - bfin_rtc_int_set(rtc, RTC_ISTAT_STOPWATCH); -#endif + + if (device_may_wakeup(&pdev->dev)) + enable_irq_wake(IRQ_RTC); + else + bfin_rtc_int_clear(rtc, -1); + return 0; } static int bfin_rtc_resume(struct platform_device *pdev) { -#ifdef PM_WAKEUP_SIC_IWR - struct bfin_rtc *rtc = dev_get_drvdata(&pdev->dev); - bfin_rtc_int_clear(rtc, RTC_ISTAT_STOPWATCH); -#endif + if (device_may_wakeup(&pdev->dev)) + disable_irq_wake(IRQ_RTC); + else + bfin_write_RTC_ISTAT(-1); + return 0; } +#else +# define bfin_rtc_suspend NULL +# define bfin_rtc_resume NULL #endif static struct platform_driver bfin_rtc_driver = { @@ -461,10 +466,8 @@ static struct platform_driver bfin_rtc_driver = { }, .probe = bfin_rtc_probe, .remove = __devexit_p(bfin_rtc_remove), -#ifdef CONFIG_PM .suspend = bfin_rtc_suspend, .resume = bfin_rtc_resume, -#endif }; static int __init bfin_rtc_init(void) |