From: James Hogan <james.hogan@imgtec.com>
Date: Tue, 4 Mar 2014 10:11:39 +0000 (+0000)
Subject: MIPS: PM: Add CPU PM callbacks for general CPU context
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~78^2~67^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b1d4c6cac02808b1d4e84d0187dc6014bffd2446;p=pandora-kernel.git

MIPS: PM: Add CPU PM callbacks for general CPU context

Add a CPU power management notifier callback for preserving general CPU
context. The CPU PM callbacks will be triggered by the powering down of
CPU cores, for example by cpuidle drivers & in the future by suspend to
RAM implementations.

The current state preserved is mostly related to the process context:
- FPU
- DSP
- ASID
- UserLocal
- Watch registers

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