From 6fdc99a224bd52020c602c3d4d57e5f8a75f6bb8 Mon Sep 17 00:00:00 2001
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
Date: Thu, 26 Jul 2007 18:41:30 +0100
Subject: [PATCH] libata-sff; Unbreak non DMA capable controllers again

Seems nobody else is checking/testing this case as it keeps getting
horked.

If we have no BAR4 mapping on an SFF controller this is *NOT* an error,
it just means it isn't doing BMDMA.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Reading git-format-patch failed