[alsa-devel] i.MX SDMA support

Sascha Hauer s.hauer at pengutronix.de
Tue Aug 10 15:15:27 CEST 2010


On Mon, Aug 09, 2010 at 03:09:44PM +0100, Mark Brown wrote:
> On 9 Aug 2010, at 13:19, Sascha Hauer <s.hauer at pengutronix.de> wrote:
> 
> > On Mon, Aug 09, 2010 at 11:47:03AM +0100, Liam Girdwood wrote:
> >> 
> >> Yeah, that should be OK. However, we do have a ASoC core multi-component
> >> update merging later this week. This may conflict with some of your SDMA
> >> updates, although the multi-component support only really affects ASoC
> >> component probe() and remove() as every component is a regular Linux
> >> device now (with platform data, etc) and private data access.
> > 
> > That won't be a problem. The SDMA code will wait until the next merge
> > window anyway, I will rebase it after the multi-compoment merge if
> > necessary.
> 
> This is precisely the issue - multi component will go in 2.6.37 too,
> meaning conflicts in -next unless one tree is pulled into the other
> during the release cycle.

Linus Walleij just proposed to implement the SDMA engine as part of the
dmaengine API, so expect some delays here.
I just looked at the i.MX part in the multi-component update and this
is currently far from being in a working state, so there's still some
work to do before thinking about possible conflicts...

Sascha


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