From: Zhu Yi <yi.zhu@intel.com>
Date: Tue, 2 Dec 2008 20:14:04 +0000 (-0800)
Subject: iwlwifi: fix DMA channel number in iwl_txq_ctx_stop
X-Git-Tag: v2.6.29-rc1~581^2~305^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f3f911d1773d31f11038d90b04244bc3986c4ccd;p=pandora-kernel.git

iwlwifi: fix DMA channel number in iwl_txq_ctx_stop

The patch fixes the misuse of DMA channel number by Tx queue number in
iwl_tx_ctx_stop().

The problem was originally reported by Wu Fengguang who complains
iwlagn driver takes too long time when issuing `ifconfig wlan0 down`.
The patch now decreases the interface bring down time from 2 seconds
to 0.8 second.

This fixes bugs:
http://bugzilla.kernel.org/show_bug.cgi?id=11956
http://www.intellinuxwireless.org/bugzilla/show_bug.cgi?id=1790

Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Tested-by: Fengguang Wu <fengguang.wu@intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---

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