From: Laxman Dewangan <ldewangan@nvidia.com>
Date: Fri, 8 Mar 2013 06:21:19 +0000 (+0530)
Subject: spi: slink-tegra20: move runtime pm calls to transfer_one_message
X-Git-Tag: v3.9-rc6~13^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d558c4733759e077cf449246983a5d1fe97fc434;p=pandora-kernel.git

spi: slink-tegra20: move runtime pm calls to transfer_one_message

The prepare_transfer_hardware() is called in atomic context and
calling synchronous runtime pm calls can create scheduling deadlock.

Therefore, in place of calling runtime PM calls from prepare/unprepare
message transfer, calling this in transfer_one_message().

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
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