linux-kernel - Re: [PATCH 06/13] DMAENGINE: driver for the ARM PL080/PL081 PrimeCells

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Message-ID: <AANLkTil7gb7SjrYPrHPfSomwxLlHpowXOZd_Qr125jvr@mail.gmail.com>
Date:	Tue, 15 Jun 2010 19:45:45 +0900
From:	Jassi Brar <jassisinghbrar@...il.com>
To:	Kukjin Kim <kgene.kim@...sung.com>
Cc:	Linus Walleij <linus.walleij@...ricsson.com>,
	Dan Williams <dan.j.williams@...el.com>,
	linux-arm-kernel@...ts.infradead.org, yuanyabin1978@...a.com,
	Viresh Kumar <viresh.kumar@...com>,
	Alessandro Rubini <rubini@...pv.it>,
	linux-kernel@...r.kernel.org, Ben Dooks <ben-linux@...ff.org>,
	Peter Pearse <peter.pearse@....com>
Subject: Re: [PATCH 06/13] DMAENGINE: driver for the ARM PL080/PL081 
	PrimeCells

On Tue, Jun 15, 2010 at 7:25 PM, Kukjin Kim <kgene.kim@...sung.com> wrote:
> Linus Walleij wrote:
>>
>> This creates a DMAengine driver for the ARM PL080/PL081 PrimeCells
>> based on the implementation earlier submitted by Peter Pearse.
>> This is working like a charm for memcpy on the PB11MPCore, but
>> slave DMA to devices is still not working.
>>
>> This DMA controller is used in mostly unmodified form in the ARM
>> RealView and Versatile platforms, in the ST-Ericsson Nomadik, and
>> in the ST SPEAr platform.
>>
>> It has been converted to use the header from the Samsung PL080
>> derivate instead of its own defintions, and can potentially support
>> several controllers in the same system.
>>
>> Cc: Peter Pearse <peter.pearse@....com>
>> Cc: Ben Dooks <ben-linux@...ff.org>
>> Cc: Kukjin Kim <kgene.kim@...sung.com>
>
> Looks good, but please give me some time to test on the board(SMDK6410).
> If any problem, let you know. Of course no problem, will ack.
Samsung doesn't use the DMA API, so this driver is unlikely to work.
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