From: Arik Nemtsov <arik@wizery.com>
Date: Mon, 27 Feb 2012 22:41:31 +0000 (+0200)
Subject: wl12xx: avoid starving the system hlid
X-Git-Tag: v3.4-rc1~177^2~108^2~39^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=49c9cd26445aa8bc8348c384c943b758c57c47a9;p=pandora-kernel.git

wl12xx: avoid starving the system hlid

Re-factor the Tx scheduler so that the system_hlid is taken into account
before restarting an iteration over the wlvifs. Previously this
hlid had a lower priority and would starve if some wlvif had many
packets.
In addition avoid iterating over wlvifs past last_wlvif when performing
the a second pass. If we had packets in those wlvifs they would have
been found earlier.

Signed-off-by: Arik Nemtsov <arik@wizery.com>
Signed-off-by: Luciano Coelho <coelho@ti.com>
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