From 346e7480f1d4740b3d798da60f83f087ea6488b4 Mon Sep 17 00:00:00 2001
From: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
Date: Fri, 23 Aug 2013 15:53:15 +0100
Subject: [PATCH] drivers: clocksource: add CPU PM notifier for ARM architected
 timer

Few control settings done in architected timer as part of initialisation
can be lost when CPU enters deeper power states. They need to be
restored when the CPU is (warm)reset again.

This patch adds CPU PM notifiers to save the counter control register
when entering low power modes and restore it when CPU exits low power.

Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Will Deacon <will.deacon@arm.com>
Acked-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Sudeep KarkadaNagesha <sudeep.karkadanagesha@arm.com>
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