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path: root/drivers/pci/pci-driver.c
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Diffstat (limited to 'drivers/pci/pci-driver.c')
-rw-r--r--drivers/pci/pci-driver.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
index 8d9616b821ca..6b54b23b990b 100644
--- a/drivers/pci/pci-driver.c
+++ b/drivers/pci/pci-driver.c
@@ -419,6 +419,16 @@ static void pci_device_shutdown(struct device *dev)
drv->shutdown(pci_dev);
pci_msi_shutdown(pci_dev);
pci_msix_shutdown(pci_dev);
+
+ /*
+ * Devices may be enabled to wake up by runtime PM, but they need not
+ * be supposed to wake up the system from its "power off" state (e.g.
+ * ACPI S5). Therefore disable wakeup for all devices that aren't
+ * supposed to wake up the system at this point. The state argument
+ * will be ignored by pci_enable_wake().
+ */
+ if (!device_may_wakeup(dev))
+ pci_enable_wake(pci_dev, PCI_UNKNOWN, false);
}
#ifdef CONFIG_PM