From c28be31b11f56b3bb62490dfe5304eaa2724afc2 Mon Sep 17 00:00:00 2001
From: Addy Ke <addy.ke@rock-chips.com>
Date: Wed, 15 Oct 2014 19:26:18 +0800
Subject: [PATCH] spi/rockchip: fix bug that cause spi transfer timed out in
 DMA duplex mode

In rx mode, dma must be prepared before spi is enabled.
But in tx and tr mode, spi must be enabled first.

Signed-off-by: Addy Ke <addy.ke@rock-chips.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
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