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

Tabi Timur-B04825 B04825 at freescale.com
Tue Aug 10 10:08:46 EDT 2010





On Aug 10, 2010, at 10:04 AM, Lothar Waßmann <LW at KARO-electronics.de> wrote:

> Hi,
> 
> Timur Tabi writes:
>> On Tuesday, August 10, 2010, Detlev Zundel <dzu at 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.



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