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: v3.5-rc1~109^2~124^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3dca9d2dc285faf1910d405b65df845cab061356;p=pandora-kernel.git

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

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>
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