virtio: clarify that ABI is usable by any implementations

[linux-2.6-omap-h63xx.git] / include / linux / usb / quirks.h

diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h
index 1f999ec8d08c520c431d626e3bf5372e890c51a3..7f6c603db654d077f4cd8ee8351c97e8f9957815 100644 (file)
--- a/include/linux/usb/quirks.h
+++ b/include/linux/usb/quirks.h
@@ -4,6 +4,9 @@
  * belong here.
  */
 
+#ifndef __LINUX_USB_QUIRKS_H
+#define __LINUX_USB_QUIRKS_H
+
 /* string descriptors must not be fetched using a 255-byte read */
 #define USB_QUIRK_STRING_FETCH_255     0x00000001
 
@@ -12,3 +15,5 @@
 
 /* device can't handle Set-Interface requests */
 #define USB_QUIRK_NO_SET_INTF          0x00000004
+
+#endif /* __LINUX_USB_QUIRKS_H */