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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-07-03 15:23:09 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2017-07-03 15:23:09 +0300
commit8f8e5c3e2796eaf150d6262115af12707c2616dd (patch)
tree85f3ec09ce6960fd57c85610a5c97841f2ded9ba /drivers/base/power/wakeup.c
parent9a5f2c871af4cf6bd63ddb20061faa7049103350 (diff)
parentde3ef1eb1cd0cc3a75f7a3661e10ed827f370ab8 (diff)
downloadlinux-8f8e5c3e2796eaf150d6262115af12707c2616dd.tar.xz
Merge branch 'acpi-pm'
* acpi-pm: PM / core: Drop run_wake flag from struct dev_pm_info PCI / PM: Simplify device wakeup settings code PCI / PM: Drop pme_interrupt flag from struct pci_dev ACPI / PM: Consolidate device wakeup settings code ACPI / PM: Drop run_wake from struct acpi_device_wakeup_flags ACPI / sleep: EC-based wakeup from suspend-to-idle on recent systems platform: x86: intel-hid: Wake up the system from suspend-to-idle platform: x86: intel-vbtn: Wake up the system from suspend-to-idle ACPI / PM: Ignore spurious SCI wakeups from suspend-to-idle platform/x86: Add driver for ACPI INT0002 Virtual GPIO device PCI / PM: Restore PME Enable if skipping wakeup setup PM / sleep: Print timing information if debug is enabled ACPI / PM: Clean up device wakeup enable/disable code ACPI / PM: Change log level of wakeup-related message USB / PCI / PM: Allow the PCI core to do the resume cleanup ACPI / PM: Run wakeup notify handlers synchronously Conflicts: drivers/base/power/main.c
Diffstat (limited to 'drivers/base/power/wakeup.c')
-rw-r--r--drivers/base/power/wakeup.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/base/power/wakeup.c b/drivers/base/power/wakeup.c
index 994bbf8b1476..144e6d8fafc8 100644
--- a/drivers/base/power/wakeup.c
+++ b/drivers/base/power/wakeup.c
@@ -28,8 +28,8 @@ bool events_check_enabled __read_mostly;
/* First wakeup IRQ seen by the kernel in the last cycle. */
unsigned int pm_wakeup_irq __read_mostly;
-/* If set and the system is suspending, terminate the suspend. */
-static bool pm_abort_suspend __read_mostly;
+/* If greater than 0 and the system is suspending, terminate the suspend. */
+static atomic_t pm_abort_suspend __read_mostly;
/*
* Combined counters of registered wakeup events and wakeup events in progress.
@@ -857,20 +857,26 @@ bool pm_wakeup_pending(void)
pm_print_active_wakeup_sources();
}
- return ret || pm_abort_suspend;
+ return ret || atomic_read(&pm_abort_suspend) > 0;
}
void pm_system_wakeup(void)
{
- pm_abort_suspend = true;
+ atomic_inc(&pm_abort_suspend);
freeze_wake();
}
EXPORT_SYMBOL_GPL(pm_system_wakeup);
-void pm_wakeup_clear(void)
+void pm_system_cancel_wakeup(void)
+{
+ atomic_dec(&pm_abort_suspend);
+}
+
+void pm_wakeup_clear(bool reset)
{
- pm_abort_suspend = false;
pm_wakeup_irq = 0;
+ if (reset)
+ atomic_set(&pm_abort_suspend, 0);
}
void pm_system_irq_wakeup(unsigned int irq_number)