[uClinux-dev] Freescale's MCDMAAPI vs. Generic Linux DMA API on Coldfire MCF548x

Greg Ungerer gerg at snapgear.com
Wed Feb 6 19:37:28 EST 2008


Hi Allon,

Allon Stern wrote:
> On Feb 4, 2008, at 7:36 PM, Greg Ungerer wrote:
>> The current ColdFire DMA support in Linux is limited and a little
>> out of date though, so it alone is not a good guide :-)
> 
> Any comments on the limitations?

Its just hasn't been looked at much over the years.
It can certainly be brought up to date with the current
kernel DMA API. Not sure how good a state the current
code is in.


> I'm hoping to use DMA in a device driver I'm writing for a 5282-based 
> system.

Using won't be a problem. Juts may take a little coding
effort to bring it up to current standards.

Regards
Greg


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