From: Alexander Chiang <achiang@hp.com>
Date: Tue, 2 Feb 2010 19:08:45 +0000 (+0000)
Subject: IB/umad: Increase maximum devices supported
X-Git-Tag: v2.6.34-rc1~225^2~15
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8698d3feccda66fcb52748e7c7690bd1003f7849;p=pandora-kernel.git

IB/umad: Increase maximum devices supported

Some large systems may support more than IB_UMAD_MAX_PORTS
(currently 64).

This change allows us to support more ports in a backwards-compatible
manner.  The first IB_UMAD_MAX_PORTS keep the same major/minor device
numbers they've always had.

If there are more than IB_UMAD_MAX_PORTS, we then dynamically request
a new major device number (new minors start at 0).

Signed-off-by: Alex Chiang <achiang@hp.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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