622 extern struct usb_device *usb_hub_find_child(struct usb_device *hdev,
631 #define usb_hub_for_each_child(hdev, port1, child) \  argument
632 	for (port1 = 1,	child =	usb_hub_find_child(hdev, port1); \
633 			port1 <= hdev->maxchild; \
634 			child = usb_hub_find_child(hdev, ++port1)) \
649 extern int usb_acpi_set_power_state(struct usb_device *hdev, int index,
651 extern bool usb_acpi_power_manageable(struct usb_device *hdev, int index);
653 static inline int usb_acpi_set_power_state(struct usb_device *hdev, int index,  in usb_acpi_set_power_state()  argument
655 static inline bool usb_acpi_power_manageable(struct usb_device *hdev, int index)  in usb_acpi_power_manageable()  argument
781 int usb_hub_claim_port(struct usb_device *hdev, unsigned port1,
783 int usb_hub_release_port(struct usb_device *hdev, unsigned port1,