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Groups > linux.kernel > #1641035

[PATCH 2/3] RTC: rtc-cmos: Fix wakeup from suspend-to-idle

From "Rafael J. Wysocki" <rjw@rjwysocki.net>
Newsgroups linux.kernel
Subject [PATCH 2/3] RTC: rtc-cmos: Fix wakeup from suspend-to-idle
Date 2017-05-14 02:10 +0200
Message-ID <tGPgJ-2sz-3@gated-at.bofh.it> (permalink)
References <tGPgJ-2sz-1@gated-at.bofh.it>
Organization linux.* mail to news gateway

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From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Commit eed4d47efe95 (ACPI / sleep: Ignore spurious SCI wakeups from
suspend-to-idle) modified the core suspend-to-idle code to filter
out spurious SCI interrupts received while suspended, which requires
ACPI event source handlers to report wakeup events in a way that
will trigger a wakeup from suspend to idle (or abort system suspends
in progress, which is equivalent).

That needs to be done in the rtc-cmos driver too, which was overlooked
by the above commit, so do that now.

Fixes: eed4d47efe95 (ACPI / sleep: Ignore spurious SCI wakeups from suspend-to-idle)
Reported-by: David E. Box <david.e.box@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/rtc/rtc-cmos.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-pm/drivers/rtc/rtc-cmos.c
===================================================================
--- linux-pm.orig/drivers/rtc/rtc-cmos.c
+++ linux-pm/drivers/rtc/rtc-cmos.c
@@ -1085,7 +1085,7 @@ static u32 rtc_handler(void *context)
 	}
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
-	pm_wakeup_event(dev, 0);
+	pm_wakeup_hard_event(dev);
 	acpi_clear_event(ACPI_EVENT_RTC);
 	acpi_disable_event(ACPI_EVENT_RTC, 0);
 	return ACPI_INTERRUPT_HANDLED;

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Thread

[PATCH 0/3] PM / wakeup / ACPI: Suspend-to-idle wakeup fixes and optimization "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-05-14 02:10 +0200
  [PATCH 2/3] RTC: rtc-cmos: Fix wakeup from suspend-to-idle "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-05-14 02:10 +0200
  [PATCH 3/3] ACPI / sleep: Simplify suspend-to-idle event processing loop "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-05-14 02:10 +0200
    Re: [PATCH 3/3] ACPI / sleep: Simplify suspend-to-idle event processing loop "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-05-14 13:30 +0200
  [PATCH 1/3] PM / wakeup: Fix up wakeup_source_report_event() "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2017-05-14 02:10 +0200

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