From: Mark Lord <liml@rtr.ca>
Date: Fri, 2 May 2008 06:10:02 +0000 (-0400)
Subject: sata_mv new mv_qc_defer method
X-Git-Tag: v2.6.26-rc2~59^2~20
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e4a139107e497a741c26f8a377a10f214d63ec1;p=pandora-kernel.git

sata_mv new mv_qc_defer method

The EDMA engine cannot tolerate a mix of NCQ/non-NCQ commands,
and cannot be used for PIO at all.  So we need to prevent libata
from trying to feed us such mixtures.

Introduce mv_qc_defer() for this purpose, and use it for all chip versions.

Signed-off-by: Mark Lord <mlord@pobox.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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