From: Tejun Heo <htejun@gmail.com>
Date: Wed, 13 Aug 2008 11:24:16 +0000 (+0900)
Subject: sata_mv: don't issue two DMA commands concurrently
X-Git-Tag: v2.6.27-rc5~51^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4bdee6c5103696a2729d3db2f235d202191788e4;p=pandora-kernel.git

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>
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