From: Brice Goglin <brice@myri.com>
Date: Fri, 9 May 2008 00:18:45 +0000 (+0200)
Subject: myri10ge: add barrier in myri10ge_send_cmd
X-Git-Tag: v2.6.26-rc3~65^2~9^2~25
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bd2db0cf2411ebc081d45bde1b7c6cf726b832f2;p=pandora-kernel.git

myri10ge: add barrier in myri10ge_send_cmd

Add a barrier() in the usleep() loop in  myri10ge_send_cmd().
Without the barrier, some mips machine never notices that the
firmware has DMA'ed the response.

Signed-off-by: Brice Goglin <brice@myri.com>
Signed-off-by: Andrew Gallatin <gallatin@myri.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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