From: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Date: Mon, 31 Jan 2011 18:49:52 +0000 (+0200)
Subject: zd1211rw: add TX watchdog and device resetting
X-Git-Tag: v2.6.39-rc1~468^2~403^2~17
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a0fd751f0924e0eefa36592f1d358c4ab18b44c5;p=pandora-kernel.git

zd1211rw: add TX watchdog and device resetting

When doing transfers at high speed for long time, tx queue can freeze. So add
tx watchdog. TX-watchdog checks for locked tx-urbs and reset hardware when
such is detected. Merely unlinking urb was not enough, device have to be
reseted. Hw settings are restored so that any open link will stay on after
reset.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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