linux-kernel - Re: [PATCH 1/4] dt-bindings: Document the STM32 DMA bindings

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Message-ID: <13614799.2Hi64P0fJ2@wuerfel>
Date:	Thu, 08 Oct 2015 17:43:11 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	M'boumba Cedric Madianga <cedric.madianga@...il.com>,
	mcoquelin.stm32@...il.com, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, linux@....linux.org.uk, vinod.koul@...el.com,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	dmaengine@...r.kernel.org
Subject: Re: [PATCH 1/4] dt-bindings: Document the STM32 DMA bindings

On Thursday 08 October 2015 17:20:09 M'boumba Cedric Madianga wrote:
> +Each dmas request consists of 5 cells:
> +1. A phandle pointing to the STM32 DMA controller
> +2. The channel id
> +3. The request line number
> +4. A 32bit mask specifying the DMA channel configuration
> 

It's fairly unusual to encode the channel id here, rather than
letting the driver pick one. Is that actually required here?

	Arnd
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