4bdf6fadb5394710269df6770dde447b23ca
author Tejun Heo <htejun@gmail.com> 1218626656 +0900
committer Jeff Garzik <jgarzik@redhat.com> 1219385267 -0400

sata_mv: don't issue two DMA commands concurrently

sata_mv allowed issuing two DMA commands concurrently which the
hardware allows.  Unfortunately, libata core layer isn't ready for
this yet and spews ugly warning message and malfunctions on this.
Don't allow concurrent DMA commands for now.

Signed-off-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
õ