linux-kernel - Re: [PATCH 2/2] spi/rockchip: fix bug that cause spi transfer timed out in DMA duplex mode

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Date:	Wed, 15 Oct 2014 15:05:47 +0200
From:	Mark Brown <broonie@...nel.org>
To:	Addy Ke <addy.ke@...k-chips.com>
Cc:	heiko@...ech.de, dianders@...omium.org, grant.likely@...aro.org,
	robh+dt@...nel.org, amstan@...gle.com, sonnyrao@...gle.com,
	linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, devicetree@...r.kernel.org,
	olof@...om.net, hj@...k-chips.com, kever.yang@...k-chips.com,
	xjq@...k-chips.com, huangtao@...k-chips.com, zyw@...k-chips.com,
	yzq@...k-chips.com, zhenfu.fang@...k-chips.com, cf@...k-chips.com,
	zhangqing@...k-chips.com, hl@...k-chips.com, wei.luo@...k-chips.com
Subject: Re: [PATCH 2/2] spi/rockchip: fix bug that cause spi transfer timed
 out in DMA duplex mode

On Wed, Oct 15, 2014 at 07:26:18PM +0800, Addy Ke wrote:
> In rx mode, dma must be prepared before spi is enabled.
> But in tx and tr mode, spi must be enabled first.

Applied, thanks.

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