On Tue, 2010-08-10 at 15:42 +0100, Mark Brown wrote:
> On Tue, Aug 10, 2010 at 03:16:09PM +0100, Liam Girdwood wrote:
> > On Tue, 2010-08-10 at 14:47 +0100, Mark Brown wrote:
>
> > > This is mostly a holdover from the existing (current mainline) ASoC
> > > structuring at the minute, that also has the DMA configured per machine.
> > > This may change depending on future hardware requirements, though.
>
> > With multi-component it's possible to register both FIQ and DMA platform
> > together. i.e. ssi0 could use DMA and ssi1 FIQ.
>
> Yup, although I think for pretty much all hardware the decision about
> which DMA driver to use is going to be fixed by silicon consideratons
> (eg, in the i.MX case it'd be odd to want to use the FIQ driver when
> {S,}DMA support is available) so it probably does make sense for the
> DAIs to be able to provide at least a default DMA controller.
Yes, exactly - this was just an example showing two different DMA
controllers.
Liam
--
Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.
http://www.slimlogic.co.uk
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