linux-kernel - Re: [linux-sunxi] [PATCH v10 2/2] dmaengine: sun6i: Add driver for the Allwinner A31 DMA controller

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Date:	Sun, 06 Jul 2014 00:23:48 -0300
From:	Emilio López <emilio@...pez.com.ar>
To:	Maxime Ripard <maxime.ripard@...e-electrons.com>
CC:	linux-sunxi@...glegroups.com,
	Dan Williams <dan.j.williams@...el.com>,
	Vinod Koul <vinod.koul@...el.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	kevin.z.m.zh@...il.com, sunny@...winnertech.com,
	shuge@...winnertech.com, zhuzhenhua@...winnertech.com,
	Arnd Bergmann <arnd@...db.de>, andriy.shevchenko@...el.com,
	dmaengine@...r.kernel.org
Subject: Re: [linux-sunxi] [PATCH v10 2/2] dmaengine: sun6i: Add driver for
 the Allwinner A31 DMA controller

Hi Maxime,

El 30/06/14 10:20, Maxime Ripard escribió:
> The Allwinner A31 has a 16 channels DMA controller that it shares with the
> newer A23. Although sharing some similarities with the DMA controller of the
> older Allwinner SoCs, it's significantly different, I don't expect it to be
> possible to share the driver for these two.
>
> The A31 Controller is able to memory-to-memory or memory-to-device transfers on
> the 16 channels in parallel.
>
> Signed-off-by: Maxime Ripard <maxime.ripard@...e-electrons.com>
> Acked-by: Arnd Bergmann <arnd@...db.de>
> ---
(...)
> +
> +static struct of_device_id sun6i_dma_match[] = {
> +	{ .compatible = "allwinner,sun6i-a31-dma" }
> +};

The empty sentinel is missing here

Cheers,

Emilio
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