USB: Add definition for the Pipe Usage descriptor
The Pipe Usage descriptor is needed for USB Attached SCSI
Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 603b61a..e779af5 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -191,6 +191,8 @@
#define USB_DT_WIRE_ADAPTER 0x21
#define USB_DT_RPIPE 0x22
#define USB_DT_CS_RADIO_CONTROL 0x23
+/* From the T10 UAS specification */
+#define USB_DT_PIPE_USAGE 0x24
/* From the USB 3.0 spec */
#define USB_DT_SS_ENDPOINT_COMP 0x30