1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 6bc0d8c870af..7764768b6a0e 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -299,10 +299,30 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
         return error;
 }
 
+static bool acpi_pci_can_wakeup(struct pci_dev *dev)
+{
+        acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev);
+
+        return handle ? acpi_bus_can_wakeup(handle) : false;
+}
+
+static int acpi_pci_sleep_wake(struct pci_dev *dev, bool enable)
+{
+        int error = acpi_pm_device_sleep_wake(&dev->dev, enable);
+
+        if (!error)
+                dev_printk(KERN_INFO, &dev->dev,
+                                "wake-up capability %s by ACPI\n",
+                                enable ? "enabled" : "disabled");
+        return error;
+}
+
 static struct pci_platform_pm_ops acpi_pci_platform_pm = {
         .is_manageable = acpi_pci_power_manageable,
         .set_state = acpi_pci_set_power_state,
         .choose_state = acpi_pci_choose_state,
+        .can_wakeup = acpi_pci_can_wakeup,
+        .sleep_wake = acpi_pci_sleep_wake,
 };
 
 /* ACPI bus type */