On Tue, 2012-10-23 at 15:54 -0700, Dan Williams wrote:
> > +struct dmaengine_chan_caps {
> > + enum dmaengine_apis ops;
> > + int seg_nr;
> > + int seg_len;
> > +};
>
> This makes sense for the potentially dynamic capability properties
> that get set after configuration, but why do we need the operation
> types here? They can be retrieved from the parent device.
I was thinking that each channel can have different capabilities.
You can assign one channel for mempcy operations exclusively and some
others for slave usage exclusively.
I believe some h/w do have such assignment so would help in doing that.
--
Vinod Koul
Intel Corp.
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