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authorSonic Zhang <sonic.zhang@analog.com>2008-08-05 16:01:17 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-05 17:33:47 -0400
commit5aeb776d0c2bb1dd3ef01f4805929e2bc2923e7b (patch)
treeb9e9578f9b9523cf9d2a6bc9135da9a286bf1e12 /drivers/rtc
parentdd279f6127c0f64dfb0055bc0adb97a284a08df3 (diff)
blackfin RTC driver: Fix bug Only RTC interrupt can wake up deeper sleep core
Signed-off-by: Sonic Zhang <sonic.zhang@analog.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')
-rw-r--r--drivers/rtc/rtc-bfin.c28
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index 48ada599477b..a568d29b0742 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -430,6 +430,30 @@ static int __devexit bfin_rtc_remove(struct platform_device *pdev)
430 return 0; 430 return 0;
431} 431}
432 432
433#ifdef CONFIG_PM
434static int bfin_rtc_suspend(struct platform_device *pdev, pm_message_t state)
435{
436#ifdef PM_WAKEUP_SIC_IWR
437 struct bfin_rtc *rtc = dev_get_drvdata(&pdev->dev);
438#endif
439 bfin_rtc_reset(&pdev->dev);
440#ifdef PM_WAKEUP_SIC_IWR
441 bfin_write_RTC_SWCNT(10);
442 bfin_rtc_int_set(rtc, RTC_ISTAT_STOPWATCH);
443#endif
444 return 0;
445}
446
447static int bfin_rtc_resume(struct platform_device *pdev)
448{
449#ifdef PM_WAKEUP_SIC_IWR
450 struct bfin_rtc *rtc = dev_get_drvdata(&pdev->dev);
451 bfin_rtc_int_clear(rtc, RTC_ISTAT_STOPWATCH);
452#endif
453 return 0;
454}
455#endif
456
433static struct platform_driver bfin_rtc_driver = { 457static struct platform_driver bfin_rtc_driver = {
434 .driver = { 458 .driver = {
435 .name = "rtc-bfin", 459 .name = "rtc-bfin",
@@ -437,6 +461,10 @@ static struct platform_driver bfin_rtc_driver = {
437 }, 461 },
438 .probe = bfin_rtc_probe, 462 .probe = bfin_rtc_probe,
439 .remove = __devexit_p(bfin_rtc_remove), 463 .remove = __devexit_p(bfin_rtc_remove),
464#ifdef CONFIG_PM
465 .suspend = bfin_rtc_suspend,
466 .resume = bfin_rtc_resume,
467#endif
440}; 468};
441 469
442static int __init bfin_rtc_init(void) 470static int __init bfin_rtc_init(void)