diff --git a/drivers/usb/gadget/usbstring.c b/drivers/usb/gadget/usbstring.c
index 168f75f..6e9d1bf 100644
--- a/drivers/usb/gadget/usbstring.c
+++ b/drivers/usb/gadget/usbstring.c
@@ -24,14 +24,17 @@
 	u8	c;
 	u16	uchar;
 
-	/* this insists on correct encodings, though not minimal ones.
+	/*
+	 * this insists on correct encodings, though not minimal ones.
 	 * BUT it currently rejects legit 4-byte UTF-8 code points,
 	 * which need surrogate pairs.  (Unicode 3.1 can use them.)
 	 */
 	while (len != 0 && (c = (u8) *s++) != 0) {
 		if ((c & 0x80)) {
-			// 2-byte sequence:
-			// 00000yyyyyxxxxxx = 110yyyyy 10xxxxxx
+			/*
+			 * 2-byte sequence:
+			 * 00000yyyyyxxxxxx = 110yyyyy 10xxxxxx
+			 */
 			if ((c & 0xe0) == 0xc0) {
 				uchar = (c & 0x1f) << 6;
 
@@ -41,8 +44,10 @@
 				c &= 0x3f;
 				uchar |= c;
 
-			// 3-byte sequence (most CJKV characters):
-			// zzzzyyyyyyxxxxxx = 1110zzzz 10yyyyyy 10xxxxxx
+			/*
+			 * 3-byte sequence (most CJKV characters):
+			 * zzzzyyyyyyxxxxxx = 1110zzzz 10yyyyyy 10xxxxxx
+			 */
 			} else if ((c & 0xf0) == 0xe0) {
 				uchar = (c & 0x0f) << 12;
 
@@ -62,12 +67,13 @@
 				if (0xd800 <= uchar && uchar <= 0xdfff)
 					goto fail;
 
-			// 4-byte sequence (surrogate pairs, currently rare):
-			// 11101110wwwwzzzzyy + 110111yyyyxxxxxx
-			//     = 11110uuu 10uuzzzz 10yyyyyy 10xxxxxx
-			// (uuuuu = wwww + 1)
-			// FIXME accept the surrogate code points (only)
-
+			/*
+			 * 4-byte sequence (surrogate pairs, currently rare):
+			 * 11101110wwwwzzzzyy + 110111yyyyxxxxxx
+			 *     = 11110uuu 10uuzzzz 10yyyyyy 10xxxxxx
+			 * (uuuuu = wwww + 1)
+			 * FIXME accept the surrogate code points (only)
+			 */
 			} else
 				goto fail;
 		} else
@@ -100,17 +106,17 @@
  * characters (which are also widely used in C strings).
  */
 int
-usb_gadget_get_string (struct usb_gadget_strings *table, int id, u8 *buf)
+usb_gadget_get_string(struct usb_gadget_strings *table, int id, u8 *buf)
 {
 	struct usb_string	*s;
 	int			len;
 
 	/* descriptor 0 has the language id */
 	if (id == 0) {
-		buf [0] = 4;
-		buf [1] = USB_DT_STRING;
-		buf [2] = (u8) table->language;
-		buf [3] = (u8) (table->language >> 8);
+		buf[0] = 4;
+		buf[1] = USB_DT_STRING;
+		buf[2] = (u8) table->language;
+		buf[3] = (u8) (table->language >> 8);
 		return 4;
 	}
 	for (s = table->strings; s && s->s; s++)
@@ -122,13 +128,13 @@
 		return -EINVAL;
 
 	/* string descriptors have length, tag, then UTF16-LE text */
-	len = min ((size_t) 126, strlen (s->s));
-	memset (buf + 2, 0, 2 * len);	/* zero all the bytes */
+	len = min((size_t) 126, strlen(s->s));
+	memset(buf + 2, 0, 2 * len);	/* zero all the bytes */
 	len = utf8_to_utf16le(s->s, (__le16 *)&buf[2], len);
 	if (len < 0)
 		return -EINVAL;
-	buf [0] = (len + 1) * 2;
-	buf [1] = USB_DT_STRING;
-	return buf [0];
+	buf[0] = (len + 1) * 2;
+	buf[1] = USB_DT_STRING;
+	return buf[0];
 }