From: Felix Fietkau <nbd@openwrt.org>
Date: Wed, 14 Dec 2011 21:08:07 +0000 (+0100)
Subject: ath9k: simplify tx locking
X-Git-Tag: v3.3-rc1~182^2~178^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3ad2952998b08442044690fa9b4ec38c6c3fc4a9;p=pandora-kernel.git

ath9k: simplify tx locking

Instead of releasing and taking back the lock over and over again in the
tx path, hold the lock a bit longer, requiring much fewer lock/unlock pairs.
This makes locking much easier to review and should not have any noticeable
performance/latency impact.

Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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