usb: factor out state_string() on otg drivers

[firefly-linux-kernel-4.4.55.git] / include / linux / usb / otg.h

diff --git a/include/linux/usb/otg.h b/include/linux/usb/otg.h
index 6e40718f5abea57535d99e20c0b78481cb6c9920..bc84858b3a4df2f542f4344229b7bd4f087b8de1 100644 (file)
--- a/include/linux/usb/otg.h
+++ b/include/linux/usb/otg.h
@@ -246,5 +246,6 @@ otg_unregister_notifier(struct otg_transceiver *otg, struct notifier_block *nb)
 
 /* for OTG controller drivers (and maybe other stuff) */
 extern int usb_bus_start_enum(struct usb_bus *bus, unsigned port_num);
+extern const char *otg_state_string(enum usb_otg_state state);
 
 #endif /* __LINUX_USB_OTG_H */