linux-kernel - Re: [PATCH] Documentation: dmaengine: Add a documentation for the dma controller API

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Date:	Fri, 1 Aug 2014 22:52:56 +0530
From:	Vinod Koul <vinod.koul@...el.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Dan Williams <dan.j.williams@...el.com>,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	dmaengine@...r.kernel.org, Arnd Bergmann <arnd@...db.de>,
	Antoine Ténart <antoine@...e-electrons.com>,
	Thomas Petazzoni <thomas@...e-electrons.com>,
	Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
	Boris Brezillon <boris@...e-electrons.com>,
	Matt Porter <matt.porter@...aro.org>,
	laurent.pinchart@...asonboard.com, ludovic.desroches@...el.com,
	Gregory Clement <gregory.clement@...e-electrons.com>,
	Nicolas Ferre <nicolas.ferre@...el.com>
Subject: Re: [PATCH] Documentation: dmaengine: Add a documentation for the
 dma controller API

On Thu, Jul 31, 2014 at 02:22:23PM +0100, Russell King - ARM Linux wrote:
> DMA engine has lacked a lot of infrastructure for common patterns in
> drivers; some of that is solved by my efforts with the virt_dma.c
> support, and also various cleanups to existing drivers, but it's not
> easy to fix this problem after drivers have been merged.
I think list management is something that needs fix. I see lots of time and
energy being spent by drivers in this.
I will plan for this in near future to move descriptor and list management
to the framework. That should help drivers get cleaned up a bit more

-- 
~Vinod
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