powerpc/mpic: Cache the device-tree node in "struct mpic"
authorKyle Moffett <Kyle.D.Moffett@boeing.com>
Fri, 2 Dec 2011 06:28:06 +0000 (06:28 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 7 Dec 2011 02:43:08 +0000 (13:43 +1100)
Store the node pointer in the MPIC during initialization so that all of
the later operational code can just reuse the cached pointer.

Signed-off-by: Kyle Moffett <Kyle.D.Moffett@boeing.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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