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From: Arnd Bergmann <arnd@arndb.de>
To: linux-arm-kernel@lists.infradead.org
Cc: "M'boumba Cedric Madianga" <cedric.madianga@gmail.com>,
	mcoquelin.stm32@gmail.com, robh+dt@kernel.org,
	pawel.moll@arm.com, mark.rutland@arm.com,
	ijc+devicetree@hellion.org.uk, galak@codeaurora.org,
	linux@arm.linux.org.uk, vinod.koul@intel.com,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	dmaengine@vger.kernel.org
Subject: Re: [PATCH 1/4] dt-bindings: Document the STM32 DMA bindings
Date: Thu, 08 Oct 2015 17:43:11 +0200	[thread overview]
Message-ID: <13614799.2Hi64P0fJ2@wuerfel> (raw)
In-Reply-To: <1444317612-818-2-git-send-email-cedric.madianga@gmail.com>

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

WARNING: multiple messages have this Message-ID (diff)
From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 1/4] dt-bindings: Document the STM32 DMA bindings
Date: Thu, 08 Oct 2015 17:43:11 +0200	[thread overview]
Message-ID: <13614799.2Hi64P0fJ2@wuerfel> (raw)
In-Reply-To: <1444317612-818-2-git-send-email-cedric.madianga@gmail.com>

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

  reply	other threads:[~2015-10-08 15:43 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-08 15:20 [PATCH 0/4] Add support for STM32 DMA M'boumba Cedric Madianga
2015-10-08 15:20 ` M'boumba Cedric Madianga
2015-10-08 15:20 ` [PATCH 1/4] dt-bindings: Document the STM32 DMA bindings M'boumba Cedric Madianga
2015-10-08 15:20   ` M'boumba Cedric Madianga
2015-10-08 15:43   ` Arnd Bergmann [this message]
2015-10-08 15:43     ` Arnd Bergmann
2015-10-08 16:01     ` M'boumba Cedric Madianga
2015-10-08 16:01       ` M'boumba Cedric Madianga
2015-10-08 19:26       ` Arnd Bergmann
2015-10-08 19:26         ` Arnd Bergmann
2015-10-08 19:26         ` Arnd Bergmann
2015-10-08 20:25         ` M'boumba Cedric Madianga
2015-10-08 20:25           ` M'boumba Cedric Madianga
2015-10-08 20:40           ` Arnd Bergmann
2015-10-08 20:40             ` Arnd Bergmann
2015-10-08 20:40             ` Arnd Bergmann
2015-10-12 19:16   ` Maxime Coquelin
2015-10-12 19:16     ` Maxime Coquelin
2015-10-08 15:20 ` [PATCH 2/4] dmaengine: Add STM32 DMA driver M'boumba Cedric Madianga
2015-10-08 15:20   ` M'boumba Cedric Madianga
2015-10-12 20:09   ` Maxime Coquelin
2015-10-12 20:09     ` Maxime Coquelin
2015-10-12 20:09     ` Maxime Coquelin
2015-10-13 11:25     ` M'boumba Cedric Madianga
2015-10-13 11:25       ` M'boumba Cedric Madianga
2015-10-13 11:50       ` M'boumba Cedric Madianga
2015-10-13 11:50         ` M'boumba Cedric Madianga
2015-10-13 11:50         ` M'boumba Cedric Madianga
2015-10-08 15:20 ` [PATCH 3/4] ARM: dts: Add STM32 DMA support for STM32F429 MCU M'boumba Cedric Madianga
2015-10-08 15:20   ` M'boumba Cedric Madianga
2015-10-08 15:20 ` [PATCH 4/4] ARM: configs: Add STM32 DMA support in STM32 defconfig M'boumba Cedric Madianga
2015-10-08 15:20   ` M'boumba Cedric Madianga
2015-10-12 20:11   ` Maxime Coquelin
2015-10-12 20:11     ` Maxime Coquelin

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