linux-kernel - Re: [PATCH v2] PL330: Add PL330 DMA controller driver

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Message-ID: <1b68c6791003251659w4c6c8d12rf97458c2380f25e0@mail.gmail.com>
Date:	Fri, 26 Mar 2010 08:59:12 +0900
From:	jassi brar <jassisinghbrar@...il.com>
To:	Dan Williams <dan.j.williams@...el.com>
Cc:	Linus Walleij <linus.ml.walleij@...il.com>,
	Joonyoung Shim <jy0922.shim@...sung.com>,
	"kyungmin.park@...sung.com" <kyungmin.park@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Ben Dooks <ben-linux@...ff.org>
Subject: Re: [PATCH v2] PL330: Add PL330 DMA controller driver

On Fri, Mar 26, 2010 at 8:12 AM, Dan Williams <dan.j.williams@...el.com> wrote:
> On Thu, Mar 25, 2010 at 3:27 PM, jassi brar <jassisinghbrar@...il.com> wrote:
>> On Fri, Mar 26, 2010 at 12:13 AM, Dan Williams <dan.j.williams@...el.com> wrote:
>>> It sounds like you just need to add an extension for the arch specific dma
>>> api.
>> I actually plan more than that.
>> Apart from inefficient design, JoonYoung's driver has made some fatal
>> assumptions
>> about PL330, which will result in DMA aborts if used with SoCs that implement
>> configuration of PL330 that is very different from Samsung SoCs'
>> Of course, I address all such issues that I can think of, in my implementation.
>
> Ok, I'll rely on acked-by's from the interested parties once your
> driver is out as I do not have a vested interest in this hardware,
> just the dmaengine framework issues.
Fair enough. Thank you.
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