From 5cf8b2409c8c08f7505925d2ba78f71b362d902e Mon Sep 17 00:00:00 2001
From: "Steven J. Hill" <Steven.Hill@imgtec.com>
Date: Wed, 9 Oct 2013 16:47:23 +0100
Subject: [PATCH] MIPS: GIC: Send IPIs using the GIC

If GIC is present, then use it to send IPIs between the cores.
Using GIC for IPIs is simpler and is usable for multicore
systems compared to the existing way of doing IPIs where all VPEs
had to be disabled for another VPE to access the Cause register
in one of the TCs and enable all the VPEs back.

Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6040/
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