powerpc/scom: Enable 64-bit addresses
authorBenjamin Herrenschmidt <benh@kernel.crashing.org>
Thu, 10 Oct 2013 08:18:02 +0000 (19:18 +1100)
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>
Wed, 6 Nov 2013 03:13:49 +0000 (14:13 +1100)
On P8, XSCOM addresses has a special "indirect" form that
requires more than 32-bits, so let's use u64 everywhere in
the code instead of u32.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>

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