linux-kernel - Re: [PATCH v3 1/7] dmaengine: of

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Message-Id: <201503280244.46961.arnd@arndb.de>
Date:	Sat, 28 Mar 2015 02:44:46 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Peter Ujfalusi <peter.ujfalusi@...com>
Cc:	vinod.koul@...el.com, tony@...mide.com, linux@....linux.org.uk,
	grant.likely@...aro.org, dmaengine@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	robh+dt@...nel.org, nm@...com
Subject: Re: [PATCH v3 1/7] dmaengine: of_dma: Support for DMA routers

On Friday 27 March 2015, Peter Ujfalusi wrote:
> +Required property:
> +- dma-device:          phandle of the DMA controller. The router is modifying
> +                       the DMA requests for this controller.

This property seems rather specific to the case at hand, I would expect that
one might also see routers like this that are connected to more than one
dma-device, so maybe make it a list?

It might also be better to name this as 'dma-controllers' or 'dma-masters',
as it is not entirely obvious (without referencing the binding document)
whether a dma device refers to the slave or the master.

	Arnd
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