linux-kernel - Re: [PATCH v4] spi: qup: Add DMA capabilities

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Message-ID: <1425652702.2440.3.camel@mm-sol.com>
Date:	Fri, 06 Mar 2015 16:38:22 +0200
From:	"Ivan T. Ivanov" <iivanov@...sol.com>
To:	Stanimir Varbanov <stanimir.varbanov@...aro.org>
Cc:	Mark Brown <broonie@...nel.org>, linux-kernel@...r.kernel.org,
	linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
	linux-spi@...r.kernel.org, Rob Herring <robh+dt@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Kumar Gala <galak@...eaurora.org>,
	Andy Gross <agross@...eaurora.org>,
	Sagar Dharia <sdharia@...eaurora.org>,
	Daniel Sneddon <dsneddon@...eaurora.org>
Subject: Re: [PATCH v4] spi: qup: Add DMA capabilities


On Wed, 2015-03-04 at 12:02 +0200, Stanimir Varbanov wrote:
> From: Andy Gross <agross@...eaurora.org>
> 
> This patch adds DMA capabilities to the spi-qup driver.  If DMA channels are
> present, the QUP will use DMA instead of block mode for transfers to/from SPI
> peripherals for transactions larger than the length of a block.
> 
> Signed-off-by: Andy Gross <agross@...eaurora.org>
> Signed-off-by: Stanimir Varbanov varbanov@...aro.org>

Reviewed-by: Ivan T. Ivanov <iivanov@...sol.com>

Tested on top of Archit's DMA patch[1].

Thanks,
Ivan

[1] https://lkml.org/lkml/2015/1/22/52

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