+#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
+ return 0;
+}
Is bfin_rtc_reset really necessary during suspend?
This causes up to several seconds delay!
-Michael
________________________________________
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of
[EMAIL PROTECTED]
Sent: Donnerstag, 17. Januar 2008 07:38
To: [email protected]
Subject: [Linux-kernel-commits] [4111] trunk: Fix bug[#3820] Only RTC
interrupt can wake up deeper sleep core.
Revision
4111
Author
sonicz
Date
2008-01-17 00:38:24 -0600 (Thu, 17 Jan 2008)
Log Message
Fix bug[#3820] Only RTC interrupt can wake up deeper sleep core.
Diffstat
arch/blackfin/Kconfig | 8 ++++----
drivers/rtc/rtc-bfin.c | 28 ++++++++++++++++++++++++++++
2 files changed, 32 insertions(+), 4 deletions(-)
Modified Paths
* trunk/arch/blackfin/Kconfig
* trunk/drivers/rtc/rtc-bfin.c
Diff
Modified: trunk/arch/blackfin/Kconfig (4110 => 4111)
--- trunk/arch/blackfin/Kconfig 2008-01-17 01:12:58 UTC (rev 4110)
+++ trunk/arch/blackfin/Kconfig 2008-01-17 06:38:24 UTC (rev 4111)
@@ -919,10 +919,10 @@
config PM_WAKEUP_SIC_IWR
hex "Wakeup Events (SIC_IWR)"
depends on PM_WAKEUP_GPIO_BY_SIC_IWR
- default 0x80000000 if (BF537 || BF536 || BF534)
- default 0x100000 if (BF533 || BF532 || BF531)
- default 0x800000 if (BF54x)
- default 0x800000 if (BF52x)
+ default 0x8 if (BF537 || BF536 || BF534)
+ default 0x80 if (BF533 || BF532 || BF531)
+ default 0x80 if (BF54x)
+ default 0x80 if (BF52x)
config PM_WAKEUP_GPIO_NUMBER
int "Wakeup GPIO number"
Modified: trunk/drivers/rtc/rtc-bfin.c (4110 => 4111)
--- trunk/drivers/rtc/rtc-bfin.c 2008-01-17 01:12:58 UTC (rev
4110)
+++ trunk/drivers/rtc/rtc-bfin.c 2008-01-17 06:38:24 UTC (rev
4111)
@@ -430,6 +430,30 @@
return 0;
}
+#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
+ 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
+ return 0;
+}
+#endif
+
static struct platform_driver bfin_rtc_driver = {
.driver = {
.name = "rtc-bfin",
@@ -437,6 +461,10 @@
},
.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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