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Message-Id: <1438971360-22156-1-git-send-email-tal.shorer@gmail.com>
Date: Fri, 7 Aug 2015 21:16:00 +0300
From: Tal Shorer <tal.shorer@...il.com>
To: gregkh@...uxfoundation.org
Cc: linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
Tal Shorer <tal.shorer@...il.com>
Subject: [Patch v3] usb: hcd.h: Fix the values of SetHubDepth and GetPortErrorCount to match USB 3.1 specification
>From the usb 3.1 spec available at http://www.usb.org/developers/docs/
table 10-7 (Hub Class Requests) specifies the values for SetHubDepth and
GetPortErrorCount as:
Request bmRequestType bRequest wValue wIndex wLength Data
SetHubDepth 00100000B SET_HUB_DEPTH Hub Depth Zero Zero None
GetPortErrorCount 10100011B GET_PORT_ERR_COUNT Zero Port Two Number of Link Errors on this port
Fix these two values to match the spec.
Signed-off-by: Tal Shorer <tal.shorer@...il.com>
---
include/linux/usb/hcd.h | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/include/linux/usb/hcd.h b/include/linux/usb/hcd.h
index c9aa779..d2784c1 100644
--- a/include/linux/usb/hcd.h
+++ b/include/linux/usb/hcd.h
@@ -564,9 +564,9 @@ extern void usb_ep0_reinit(struct usb_device *);
/*-------------------------------------------------------------------------*/
-/* class requests from USB 3.0 hub spec, table 10-5 */
-#define SetHubDepth (0x3000 | HUB_SET_DEPTH)
-#define GetPortErrorCount (0x8000 | HUB_GET_PORT_ERR_COUNT)
+/* class requests from USB 3.1 hub spec, table 10-7 */
+#define SetHubDepth (0x2000 | HUB_SET_DEPTH)
+#define GetPortErrorCount (0xa300 | HUB_GET_PORT_ERR_COUNT)
/*
* Generic bandwidth allocation constants/support
--
2.4.6
--
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