[U-Boot] [PATCH v2 72/80] dm: usb: Add a generic descriptor struct

[Simon Glass]

This is useful for creating lists of descriptors, and is better than using
void * for this purpose.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

Changes in v2: None

 include/linux/usb/ch9.h | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/include/linux/usb/ch9.h b/include/linux/usb/ch9.h
index 10675b4..822fca0 100644
--- a/include/linux/usb/ch9.h
+++ b/include/linux/usb/ch9.h
@@ -379,6 +379,11 @@ struct usb_endpoint_descriptor {
 #define USB_DT_ENDPOINT_SIZE		7
 #define USB_DT_ENDPOINT_AUDIO_SIZE	9	/* Audio extension */
 
+/* Used to access common fields */
+struct usb_generic_descriptor {
+	__u8  bLength;
+	__u8  bDescriptorType;
+};
 
 /*
  * Endpoints
-- 
2.2.0.rc0.207.ga3a616c