linux-kernel - Re: [RESEND] spi: davinci: Allow device tree devices to use DMA

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Date:   Fri, 13 Jan 2017 12:04:08 +0000
From:   Mark Brown <broonie@...nel.org>
To:     Kevin Hilman <khilman@...libre.com>
Cc:     David Lechner <david@...hnology.com>, nsekhar@...com,
        linux-spi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RESEND] spi: davinci: Allow device tree devices to use DMA

On Thu, Jan 12, 2017 at 01:34:10PM -0800, Kevin Hilman wrote:

> I thinks this driver needs an update to use spi_map_buf() to be able to
> handle vmalloc'd buffers before always enabling DMA.

Right.  As I said elsewhere in the thread the driver looks like it needs
some very serious TLC based on a quick scan through.

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