linux-kernel - [PATCH 4.14 09/31] USB: early: Use new USB product ID and strings for DbC device

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Message-Id: <20171119145951.521131579@linuxfoundation.org>
Date:   Sun, 19 Nov 2017 15:59:43 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Lu Baolu <baolu.lu@...ux.intel.com>
Subject: [PATCH 4.14 09/31] USB: early: Use new USB product ID and strings for DbC device

4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Lu Baolu <baolu.lu@...ux.intel.com>

commit c67678ec78eff9cf1e7e997fe6c37c9fcccfc5b8 upstream.

The DbC register set defines an interface for system software
to specify the vendor id and product id for the debug device.
These two values will be presented by the debug device in its
device descriptor idVendor and idProduct fields.

The current used product ID is a place holder. We now have a
valid one. The description strings are changed accordingly.

This patch should be back-ported to kernels as old as v4.12,
that contain the commit aeb9dd1de98c ("usb/early: Add driver
for xhci debug capability").

Signed-off-by: Lu Baolu <baolu.lu@...ux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 drivers/usb/early/xhci-dbc.h |    6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

--- a/drivers/usb/early/xhci-dbc.h
+++ b/drivers/usb/early/xhci-dbc.h
@@ -90,8 +90,8 @@ struct xdbc_context {

 #define XDBC_INFO_CONTEXT_SIZE		48
 #define XDBC_MAX_STRING_LENGTH		64
-#define XDBC_STRING_MANUFACTURER	"Linux"
-#define XDBC_STRING_PRODUCT		"Remote GDB"
+#define XDBC_STRING_MANUFACTURER	"Linux Foundation"
+#define XDBC_STRING_PRODUCT		"Linux USB GDB Target"
 #define XDBC_STRING_SERIAL		"0001"

 struct xdbc_strings {
@@ -103,7 +103,7 @@ struct xdbc_strings {

 #define XDBC_PROTOCOL		1	/* GNU Remote Debug Command Set */
 #define XDBC_VENDOR_ID		0x1d6b	/* Linux Foundation 0x1d6b */
-#define XDBC_PRODUCT_ID		0x0004	/* __le16 idProduct; device 0004 */
+#define XDBC_PRODUCT_ID		0x0011	/* __le16 idProduct; device 0011 */
 #define XDBC_DEVICE_REV		0x0010	/* 0.10 */

 /*