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USB: ti_usb_3410_5052: fix dynamic-id matching

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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>
This commit is contained in:
Johan Hovold 2013-06-28 12:24:26 +02:00 committed by Greg Kroah-Hartman
parent 94190301ff
commit 1fad56424f
1 changed files with 1 additions and 1 deletions
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2
drivers/usb/serial/ti_usb_3410_5052.c
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@ -371,7 +371,7 @@ 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");