1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 93223638f70..94012e649d8 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -258,6 +258,8 @@ struct usb_device_descriptor {
 #define USB_CLASS_APP_SPEC              0xfe
 #define USB_CLASS_VENDOR_SPEC           0xff
 
+#define USB_SUBCLASS_VENDOR_SPEC        0xff
+
 /*-------------------------------------------------------------------------*/
 
 /* USB_DT_CONFIG: Configuration descriptor information.
@@ -348,6 +350,12 @@ struct usb_endpoint_descriptor {
 #define USB_ENDPOINT_NUMBER_MASK        0x0f    /* in bEndpointAddress */
 #define USB_ENDPOINT_DIR_MASK           0x80
 
+#define USB_ENDPOINT_SYNCTYPE           0x0c
+#define USB_ENDPOINT_SYNC_NONE          (0 << 2)
+#define USB_ENDPOINT_SYNC_ASYNC         (1 << 2)
+#define USB_ENDPOINT_SYNC_ADAPTIVE      (2 << 2)
+#define USB_ENDPOINT_SYNC_SYNC          (3 << 2)
+
 #define USB_ENDPOINT_XFERTYPE_MASK      0x03    /* in bmAttributes */
 #define USB_ENDPOINT_XFER_CONTROL       0
 #define USB_ENDPOINT_XFER_ISOC          1