diff --git a/include/usb.h b/include/usb.h
index 98576b7..53603a5 100644
--- a/include/usb.h
+++ b/include/usb.h
@@ -168,6 +168,13 @@
 
 #endif
 
+#ifdef CONFIG_USB_HOST_ETHER
+
+#define USB_MAX_ETH_DEV 5
+int usb_host_eth_scan(int mode);
+
+#endif
+
 #ifdef CONFIG_USB_KEYBOARD
 
 int drv_usb_kbd_init(void);
@@ -191,7 +198,7 @@
 			void *data, int len, int *actual_length, int timeout);
 int usb_submit_int_msg(struct usb_device *dev, unsigned long pipe,
 			void *buffer, int transfer_len, int interval);
-void usb_disable_asynch(int disable);
+int usb_disable_asynch(int disable);
 int usb_maxpacket(struct usb_device *dev, unsigned long pipe);
 inline void wait_ms(unsigned long ms);
 int usb_get_configuration_no(struct usb_device *dev, unsigned char *buffer,