tree 34eccedf0dd9d24e6c9b73d7d24bacaac7595446
parent dbf0c89c80e47a2a132048dcded0dcc2a59c74ad
author Alan Cox <alan@lxorguk.ukuu.org.uk> 1185471690 +0100
committer Jeff Garzik <jeff@garzik.org> 1185976856 -0400

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>