From: Stuart Hodgson <smhodgson@solarflare.com>
Date: Fri, 30 Mar 2012 12:04:51 +0000 (+0100)
Subject: sfc: Do not attempt to flush queues if DMA is disabled
X-Git-Tag: v3.2.42~52
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1f3559e7a753189cc81ccbb32e883d720e4a8d7b;p=pandora-kernel.git

sfc: Do not attempt to flush queues if DMA is disabled

[ Upstream commit 3dca9d2dc285faf1910d405b65df845cab061356 ]

efx_nic_fatal_interrupt() disables DMA before scheduling a reset.
After this, we need not and *cannot* flush queues.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
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