From 8e2b6619c58cbf3b797d13548fceb5d9d4c34ac3 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Wed, 25 Mar 2015 12:23:00 -0600
Subject: [PATCH] dm: usb: Add a generic descriptor struct
This is useful for creating lists of descriptors, and is better than using
void * for this purpose.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>
---
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 10675b4d8a..822fca0357 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
--
2.39.5