From: Bob Copeland <me@bobcopeland.com>
Date: Fri, 9 Jan 2015 19:15:48 +0000 (-0500)
Subject: wcn36xx: don't process 'valid' descriptors
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~134^2~130^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bfa6696b39ae4da554a8b8ec9d17bba1ed6ae889;p=pandora-kernel.git

wcn36xx: don't process 'valid' descriptors

The DMA engine will reset the valid bit after a descriptor is
complete; any with the valid bit still set may still be in
use by the hardware, so check that before freeing the descriptor.

Signed-off-by: Bob Copeland <me@bobcopeland.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
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