PCI: layerscape: Remove unused platform data

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

diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index a814bbb..4518562 100644 (file)
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -42,6 +42,8 @@ int pci_probe_reset_function(struct pci_dev *dev);
  *
  * @set_state: invokes the platform firmware to set the device's power state
  *
+ * @get_state: queries the platform firmware for a device's current power state
+ *
  * @choose_state: returns PCI power state of given device preferred by the
  *                platform; to be used during system-wide transitions from a
  *                sleeping state to the working state and vice versa
@@ -62,6 +64,7 @@ int pci_probe_reset_function(struct pci_dev *dev);
 struct pci_platform_pm_ops {
        bool (*is_manageable)(struct pci_dev *dev);
        int (*set_state)(struct pci_dev *dev, pci_power_t state);
+       pci_power_t (*get_state)(struct pci_dev *dev);
        pci_power_t (*choose_state)(struct pci_dev *dev);
        int (*sleep_wake)(struct pci_dev *dev, bool enable);
        int (*run_wake)(struct pci_dev *dev, bool enable);
@@ -82,6 +85,8 @@ 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 +99,15 @@ 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);
@@ -321,6 +335,12 @@ static inline resource_size_t pci_resource_alignment(struct pci_dev *dev,
 
 void pci_enable_acs(struct pci_dev *dev);
 
+#ifdef CONFIG_PCIE_PTM
+void pci_ptm_init(struct pci_dev *dev);
+#else
+static inline void pci_ptm_init(struct pci_dev *dev) { }
+#endif
+
 struct pci_dev_reset_methods {
        u16 vendor;
        u16 device;