[PATCH 4/8] ARM i.MX: add SDMA driver

[dzu@denx.de (Detlev Zundel)]

Hi Timur,

> On Aug 10, 2010, at 10:04 AM, Lothar Wa?mann <LW@KARO-electronics.de> wrote:
>
>> Hi,
>> 
>> Timur Tabi writes:
>>> On Tuesday, August 10, 2010, Detlev Zundel <dzu@denx.de>
>>>> Apart from this I would also welcome if the whole driver could be
>>>> adapted to the drivers/dma dmaengine API as pointed out by Linus
>>>> Walleij.  The dma controller support for the Power Architecture chips of
>>>> Freescale do implement this API, so this would also be a great step
>>>> towards code unification of drivers here.
>>> 
>>> The Freescale PowerPC and ARM DMA controllers are completely
>>> different, so I don't see how the drivers could be unified.
>>> 
>> The DMA API should abstract away the differences in the hardware
>> so that device drivers could use DMA without having to know on what
>> hardware they are running.
>
> I thought you were talking about unifying the PowerPC DMA driver with
> the I.MX SDMA driver.

No, I was talking about the device drivers using DMA as a functional
block.

I dare not think about unifying the BestComm with the SDMA driver :)

Cheers
  Detlev

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