From 2a76689bcaecf35391e6ddc8a00c09c79d6d5857 Mon Sep 17 00:00:00 2001
From: Barry Song <21cnbao@gmail.com>
Date: Tue, 30 Jul 2013 17:44:34 +0800
Subject: [PATCH] dmaengine: sirf: add PM entries for sleep and runtime

this patch adds PM ops entries in sirf-dma drivers, so that this
driver can support suspend/resume, hibernation and runtime PM.

while suspending, sirf-dma will lose all registers, so we save
them at suspend and restore in resume for active channels.

Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Rongjun Ying <Rongjun.Ying@csr.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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