From: Ido Yariv <ido@wizery.com>
Date: Tue, 12 Oct 2010 14:20:06 +0000 (+0200)
Subject: wl1271: Allocate TX descriptors more efficiently
X-Git-Tag: v2.6.38-rc1~476^2~558^2~89
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=25eeb9e3876a161e3afcc820c6cb72e13f9b7c7e;p=pandora-kernel.git

wl1271: Allocate TX descriptors more efficiently

On each TX descriptor allocation, a free entry is found by traversing the TX
descriptors array.

Improve this by holding a bitmap of all TX descriptors, and using efficient
bit operations to search for free entries.

Signed-off-by: Ido Yariv <ido@wizery.com>
Reviewed-by: Juuso Oikarinen <juuso.oikarinen@nokia.com>
Signed-off-by: Luciano Coelho <luciano.coelho@nokia.com>
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