1 files changed, 26 insertions, 3 deletions

diff --git a/include/linux/usb.h b/include/linux/usb.h
index e732e024a141..864c6c21c21e 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -415,14 +415,37 @@ extern struct usb_device *usb_find_device(u16 vendor_id, u16 product_id);
 
 /* USB autosuspend and autoresume */
 #ifdef CONFIG_USB_SUSPEND
+extern int usb_autopm_set_interface(struct usb_interface *intf);
 extern int usb_autopm_get_interface(struct usb_interface *intf);
 extern void usb_autopm_put_interface(struct usb_interface *intf);
 
+static inline void usb_autopm_enable(struct usb_interface *intf)
+{
+        intf->pm_usage_cnt = 0;
+        usb_autopm_set_interface(intf);
+}
+
+static inline void usb_autopm_disable(struct usb_interface *intf)
+{
+        intf->pm_usage_cnt = 1;
+        usb_autopm_set_interface(intf);
+}
+
 #else
-#define usb_autopm_get_interface(intf)          0
-#define usb_autopm_put_interface(intf)          do {} while (0)
-#endif
 
+static inline int usb_autopm_set_interface(struct usb_interface *intf)
+{ return 0; }
+
+static inline int usb_autopm_get_interface(struct usb_interface *intf)
+{ return 0; }
+
+static inline void usb_autopm_put_interface(struct usb_interface *intf)
+{ }
+static inline void usb_autopm_enable(struct usb_interface *intf)
+{ }
+static inline void usb_autopm_disable(struct usb_interface *intf)
+{ }
+#endif
 
 /*-------------------------------------------------------------------------*/