From: Chien Tung <chien.tin.tung@intel.com>
Date: Wed, 8 Apr 2009 21:27:18 +0000 (-0700)
Subject: RDMA/nes: Add wide_ppm_offset parm for switch compatibility
X-Git-Tag: v2.6.30-rc2~92^2^5~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a4849fc157cdbe4fb68cfe37e7222697f003deb5;p=pandora-kernel.git

RDMA/nes: Add wide_ppm_offset parm for switch compatibility

We have observed unstable link with a new BNT switch.

Add wide_ppm_offset parameter to allow the user to control the clock
ppm offset on the CX4 interface for better compatibility.  Default is
100ppm, setting it to 1 will increase it to 300ppm.  Change default
SerDes1 reference clock to external source.

Signed-off-by: Chien Tung <chien.tin.tung@intel.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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