powerpc/powernv: Enable reading and updating of system parameters

This patch enables reading and updating of system parameters through
OPAL call.

Signed-off-by: Neelesh Gupta <neelegup@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Neelesh Gupta 2014-03-07 11:02:09 +05:30 • committed by Benjamin Herrenschmidt
commit 4029cd6654
5 changed files with 310 additions and 2 deletions