From: Roland Dreier <rolandd@cisco.com>
Date: Wed, 17 May 2006 14:48:07 +0000 (-0700)
Subject: IB/mthca: Make fw_cmd_doorbell default to 0
X-Git-Tag: v2.6.17-rc5~90^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1db76c14d215c8b26024dd532de3dcaf66ea30f7;p=pandora-kernel.git

IB/mthca: Make fw_cmd_doorbell default to 0

Setting fw_cmd_doorbell allows FW command to be queued using posted
writes instead of requiring polling on a "go" bit, so it should be a
performance boost.  However, the option causes problems with at least
some device/firmware combinations, so set the default to 0 until we
understand what's going on better.

Signed-off-by: Roland Dreier <rolandd@cisco.com>
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