On Wed, Apr 12, 2017 at 08:30:31AM +0000, Olivier MOYSAN wrote: > On 04/11/2017 11:10 PM, Mark Brown wrote: > > That sounds wrong, I'd expect this wiring to be done statically as part > > of the .dtsi for the SoC (or just grabbed as needed at runtime if > > things are flexbile enough) rather than being a configuration thing done > > per board... I had thought that this was configuration reflecting > > different ways of taping out the IP with different feature sets, is that > > not the case? > This configuration is board dependent. The IP may be used as rx, tx or > fd depending on board. So I think it can make sense to have a DMA > configuration linked to board, and to set IP mode accordingly. It is totally normal to just not use one direction in a given system, we don't normally need to do anything special to handle things. I'm a bit confused as to what's different here and needs configuring?
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