linux-kernel - [PATCH 029/133] USB: ti_usb_3410

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Message-Id: <1376692475-28413-30-git-send-email-kamal@canonical.com>
Date:	Fri, 16 Aug 2013 15:32:51 -0700
From:	Kamal Mostafa <kamal@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	Johan Hovold <jhovold@...il.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Kamal Mostafa <kamal@...onical.com>
Subject: [PATCH 029/133] USB: ti_usb_3410_5052: fix dynamic-id matching

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

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

From: Johan Hovold <jhovold@...il.com>

commit 1fad56424f5ad3ce4973505a357212b2e2282b3f upstream.

The driver failed to take the dynamic ids into account when determining
the device type and therefore all devices were detected as 2-port
devices when using the dynamic-id interface.

Match on the usb-serial-driver field instead of doing redundant id-table
searches.

Reported-by: Anders Hammarquist <iko@....pp.se>
Signed-off-by: Johan Hovold <jhovold@...il.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Kamal Mostafa <kamal@...onical.com>
---
 drivers/usb/serial/ti_usb_3410_5052.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c
index a166761..f4a748b 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -373,7 +373,7 @@ static int ti_startup(struct usb_serial *serial)
 	usb_set_serial_data(serial, tdev);
 
 	/* determine device type */
-	if (usb_match_id(serial->interface, ti_id_table_3410))
+	if (serial->type == &ti_1port_device)
 		tdev->td_is_3410 = 1;
 	dev_dbg(&dev->dev, "%s - device type is %s\n", __func__,
 		tdev->td_is_3410 ? "3410" : "5052");
-- 
1.8.1.2

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