[PATCH] PCI: add prototype for pci_choose_state()

This adds missing prototype for pci_choose_state.
Signed-off-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

include/linux/pci.h

@@ -806,6 +806,7 @@ void pci_remove_rom(struct pci_dev *pdev);
 int pci_save_state(struct pci_dev *dev);
 int pci_restore_state(struct pci_dev *dev);
 int pci_set_power_state(struct pci_dev *dev, pci_power_t state);
+pci_power_t pci_choose_state(struct pci_dev *dev, u32 state);
 int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable);
 
 /* Helper functions for low-level code (drivers/pci/setup-[bus,res].c) */
@@ -934,6 +935,7 @@ static inline const struct pci_device_id *pci_match_device(const struct pci_devi
 static inline int pci_save_state(struct pci_dev *dev) { return 0; }
 static inline int pci_restore_state(struct pci_dev *dev) { return 0; }
 static inline int pci_set_power_state(struct pci_dev *dev, pci_power_t state) { return 0; }
+static inline pci_power_t pci_choose_state(struct pci_dev *dev, u32 state) { return PCI_D0; }
 static inline int pci_enable_wake(struct pci_dev *dev, pci_power_t state, int enable) { return 0; }
 
 #define	isa_bridge	((struct pci_dev *)NULL)