Merge tag 'perf-urgent-for-mingo-20160809' of git://git.kernel.org/pub/scm/linux...

[deliverable/linux.git] / drivers / pci / pci.h

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index a814bbb80fcb3d1ddbf35508b7dcf5808f3d0e5d..9730c474b0163ccab1d9aa8027cf1c00d6ca823a 100644 (file)
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -82,6 +82,8 @@ void pci_pm_init(struct pci_dev *dev);
 void pci_ea_init(struct pci_dev *dev);
 void pci_allocate_cap_save_buffers(struct pci_dev *dev);
 void pci_free_cap_save_buffers(struct pci_dev *dev);
+void pci_bridge_d3_device_changed(struct pci_dev *dev);
+void pci_bridge_d3_device_removed(struct pci_dev *dev);
 
 static inline void pci_wakeup_event(struct pci_dev *dev)
 {
@@ -94,6 +96,15 @@ static inline bool pci_has_subordinate(struct pci_dev *pci_dev)
        return !!(pci_dev->subordinate);
 }
 
+static inline bool pci_power_manageable(struct pci_dev *pci_dev)
+{
+       /*
+        * Currently we allow normal PCI devices and PCI bridges transition
+        * into D3 if their bridge_d3 is set.
+        */
+       return !pci_has_subordinate(pci_dev) || pci_dev->bridge_d3;
+}
+
 struct pci_vpd_ops {
        ssize_t (*read)(struct pci_dev *dev, loff_t pos, size_t count, void *buf);
        ssize_t (*write)(struct pci_dev *dev, loff_t pos, size_t count, const void *buf);