linux-kernel - Re: [PATCH 5/9] ARM: dts: provide DMA config to pxamci

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Message-Id: <201312090233.58592.arnd@arndb.de>
Date:	Mon, 9 Dec 2013 02:33:58 +0100
From:	Arnd Bergmann <arnd@...db.de>
To:	Sergei Ianovich <ynvich@...il.com>
Cc:	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Daniel Mack <zonque@...il.com>,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>,
	Chris Ball <cjb@...top.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Jaehoon Chung <jh80.chung@...sung.com>,
	Seungwon Jeon <tgih.jun@...sung.com>,
	"open list:OPEN FIRMWARE AND..." <devicetree@...r.kernel.org>,
	"open list:DOCUMENTATION" <linux-doc@...r.kernel.org>
Subject: Re: [PATCH 5/9] ARM: dts: provide DMA config to pxamci

On Sunday 08 December 2013, Sergei Ianovich wrote:
> Non-dts implementation supply required DMA channel numbers as
> IORESOURCE_DMA. However, there is was no way to get them from
> device tree.

I just wrote a lengthy reply to this email to explain in what ways
you got it wrong, but then I saw that Daniel has already done all
the work in the right way in August, so nevermind that.

It hasn't made it upstream yet, but see http://list-archives.org/2013/08/07/linux-mtd-lists-infradead-org/patch-00-20-arm-pxa-move-core-and-drivers-to-dmaengine/f/3444199144
for how it's done. Maybe Daniel can comment on the status of his
patches.

	Arnd
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