From: Addy Ke <addy.ke@rock-chips.com>
Date: Wed, 15 Oct 2014 11:26:18 +0000 (+0800)
Subject: spi/rockchip: fix bug that cause spi transfer timed out in DMA duplex mode
X-Git-Tag: omap-for-v3.19/fixes-not-urgent-part1~50^2^5~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c28be31b11f56b3bb62490dfe5304eaa2724afc2;p=pandora-kernel.git

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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