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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-07-23 03:00:45 +0400
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2014-07-23 03:00:45 +0400
commitc072530f391e33bd22ed0638c08f07528f154493 (patch)
tree559f1730fb64797831086b2e41feded7d72e7226 /include/linux/pci-acpi.h
parent28cb5ef16e578bbca0a562b09f12c8c98ca92720 (diff)
downloadlinux-c072530f391e33bd22ed0638c08f07528f154493.tar.xz
ACPI / PM: Revork the handling of ACPI device wakeup notifications
Since ACPI wakeup GPEs are going to be enabled during system suspend as well as for runtime wakeup by a subsequent patch and the same notify handlers will be used in both cases, rework the ACPI device wakeup notification framework so that the part specific to physical devices is always run asynchronously from the PM workqueue. This prevents runtime resume callbacks for those devices from being run during system suspend and resume which may not be appropriate, among other things. Also make ACPI device wakeup notification handling a bit more robust agaist subsequent removal of ACPI device objects, whould that ever happen, and create a wakeup source object for each ACPI device configured for wakeup so that wakeup notifications for those devices can wake up the system from the "freeze" sleep state. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/pci-acpi.h')
-rw-r--r--include/linux/pci-acpi.h13
1 files changed, 9 insertions, 4 deletions
diff --git a/include/linux/pci-acpi.h b/include/linux/pci-acpi.h
index 637a608ded0b..64dacb7288a6 100644
--- a/include/linux/pci-acpi.h
+++ b/include/linux/pci-acpi.h
@@ -11,12 +11,17 @@
#include <linux/acpi.h>
#ifdef CONFIG_ACPI
-extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev,
- struct pci_bus *pci_bus);
-extern acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev);
+extern acpi_status pci_acpi_add_bus_pm_notifier(struct acpi_device *dev);
+static inline acpi_status pci_acpi_remove_bus_pm_notifier(struct acpi_device *dev)
+{
+ return acpi_remove_pm_notifier(dev);
+}
extern acpi_status pci_acpi_add_pm_notifier(struct acpi_device *dev,
struct pci_dev *pci_dev);
-extern acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev);
+static inline acpi_status pci_acpi_remove_pm_notifier(struct acpi_device *dev)
+{
+ return acpi_remove_pm_notifier(dev);
+}
extern phys_addr_t acpi_pci_root_get_mcfg_addr(acpi_handle handle);
static inline acpi_handle acpi_find_root_bridge_handle(struct pci_dev *pdev)