From: Torsten Hilbrich <torsten.hilbrich@secunet.com>
Date: Mon, 6 Jun 2011 13:39:55 +0000 (+0200)
Subject: USB: option Add blacklist for ZTE K3765-Z (19d2:2002)
X-Git-Tag: v3.0-rc3~29^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7e8e62e4a5d26e4cb45f25dddd093837d75616c2;p=pandora-kernel.git

USB: option Add blacklist for ZTE K3765-Z (19d2:2002)

The funtion option_send_status times out when sending USB messages
to the interfaces 0, 1, and 2 of this UMTS stick. This results in a
5s timeout in the function causing other tty operations to feel very
sluggish.

This patch adds a blacklist entry for these 3 interfaces on the ZTE
K3765-Z device.

I was also able to reproduce the problem with v2.6.38 and v2.6.39.

This is very similar to a problem fixed in

commit 7a89e4cb9cdaba92f5fbc509945cf4e3c48db4e2
Author: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
Date:   Wed Mar 9 09:19:48 2011 +0000

    USB: serial: option: Apply OPTION_BLACKLIST_SENDSETUP also for ZTE MF626

Signed-off-by: Torsten Hilbrich <torsten.hilbrich@secunet.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

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