x86, uv: Add function retrieving node controller revision number
authorJack Steiner <steiner@sgi.com>
Tue, 12 Jan 2010 21:09:04 +0000 (15:09 -0600)
committerH. Peter Anvin <hpa@zytor.com>
Fri, 15 Jan 2010 19:08:55 +0000 (11:08 -0800)
Add function for determining the revision id of the SGI UV
node controller chip (HUB). This function is needed in a
subsequent patch.

Signed-off-by: Jack Steiner <steiner@sgi.com>
LKML-Reference: <20100112210904.GA24546@sgi.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

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