powerpc/mpic: Search for open-pic device-tree node if NULL
authorKyle Moffett <Kyle.D.Moffett@boeing.com>
Fri, 2 Dec 2011 06:28:02 +0000 (06:28 +0000)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 7 Dec 2011 02:43:07 +0000 (13:43 +1100)
Almost all PowerPC platforms use a standard "open-pic" device node so
the mpic_alloc() function now accepts NULL for the device-node.  This
will cause it to perform a default search with of_find_matching_node().

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

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