From ae4ce45419f908cf884d3fdc37f5706972068d34 Mon Sep 17 00:00:00 2001
From: James Hogan <james.hogan@imgtec.com>
Date: Tue, 4 Mar 2014 10:20:43 +0000
Subject: [PATCH] MIPS: traps: Add CPU PM callback for trap configuration

Implement a CPU power management callback for restoring trap related CPU
configuration after CPU power up from a low power state. The following
state is restored:

- Status register
- HWREna register
- Exception vector configuration registers
- Context/XContext register

Signed-off-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Paul Burton <paul.burton@imgtec.com>
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