linux-kernel - Re: [PATCH v4 03/14] spi: qup: Add completion structures for DMA

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Message-ID: <20170717160231.2svcjb4odh3xymnv@sirena.org.uk>
Date:   Mon, 17 Jul 2017 17:02:31 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Varadarajan Narayanan <varada@...eaurora.org>
Cc:     robh+dt@...nel.org, mark.rutland@....com, andy.gross@...aro.org,
        david.brown@...aro.org, linux-spi@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org
Subject: Re: [PATCH v4 03/14] spi: qup: Add completion structures for DMA

On Tue, Jun 27, 2017 at 03:15:20PM +0530, Varadarajan Narayanan wrote:
> Use different 'completion' structures to track the completion
> of DMA Tx/Rx and PIO.

Why?

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