Title: [4197] trunk/drivers/rtc/rtc-bfin.c: [#3262]
add support for power management framework
- Revision
- 4197
- Author
- vapier
- Date
- 2008-01-31 13:03:04 -0600 (Thu, 31 Jan 2008)
Log Message
[#3262] add support for power management framework
Diffstat
rtc-bfin.c | 31 +++++++++++++++++--------------
1 files changed, 17 insertions(+), 14 deletions(-)
Modified Paths
Diff
Modified: trunk/drivers/rtc/rtc-bfin.c (4196 => 4197)
--- trunk/drivers/rtc/rtc-bfin.c 2008-01-31 09:56:08 UTC (rev 4196)
+++ trunk/drivers/rtc/rtc-bfin.c 2008-01-31 19:03:04 UTC (rev 4197)
@@ -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 @@
platform_set_drvdata(pdev, rtc);
+ device_init_wakeup(&pdev->dev, 1);
+
return 0;
err:
@@ -433,25 +435,28 @@
#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 @@
},
.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)
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