diff --git a/include/linux/usb_ch9.h b/include/linux/usb_ch9.h
index 39e7ff4ffd28..ee21e6bf3867 100644
--- a/include/linux/usb_ch9.h
+++ b/include/linux/usb_ch9.h
@@ -19,7 +19,7 @@
 #ifndef __LINUX_USB_CH9_H
 #define __LINUX_USB_CH9_H
 
-#include <asm/types.h>		/* __u8 etc */
+#include <linux/types.h>	/* __u8 etc */
 
 /*-------------------------------------------------------------------------*/
 
@@ -294,8 +294,8 @@ struct usb_endpoint_descriptor {
 	__le16 wMaxPacketSize;
 	__u8  bInterval;
 
-	// NOTE:  these two are _only_ in audio endpoints.
-	// use USB_DT_ENDPOINT*_SIZE in bLength, not sizeof.
+	/* NOTE:  these two are _only_ in audio endpoints. */
+	/* use USB_DT_ENDPOINT*_SIZE in bLength, not sizeof. */
 	__u8  bRefresh;
 	__u8  bSynchAddress;
 } __attribute__ ((packed));