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Subject[091/251] USB: ti_usb_3410_5052: fix dynamic-id matching
3.6.11.9-rc1 stable review patch.
If anyone has any objections, please let me know.

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

From: Johan Hovold <jhovold@gmail.com>

[ Upstream commit 1fad56424f5ad3ce4973505a357212b2e2282b3f ]

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@iko.pp.se>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
---
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 c7550bf..d654036 100644
--- a/drivers/usb/serial/ti_usb_3410_5052.c
+++ b/drivers/usb/serial/ti_usb_3410_5052.c
@@ -383,7 +383,7 @@ 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;
dbg("%s - device type is %s", __func__,
tdev->td_is_3410 ? "3410" : "5052");
--
1.7.10.4



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