Hi, On Mon, Sep 04, 2017 at 09:14:52AM +0100, André Przywara wrote: > > And obviously, while maintaining the stability of the binding of those > > hundreds properties. > > > > Or, you can base all this on the compatible, and be done with it once > > and for all. > > What I am after is to cover SoCs which *don't* have differences in their > register layout, for instance A83T, H3, A64, R40. > In an ideal world we could have reused the H3 compatible string, > adjusting the number of channels for each SoC in the DT. > > So I see that having a generic compatible name will not fly, as we now > have differences which should not be modelled by DT properties. > But I still think we should try to cover those non-register differences > (number of channels) with a DT property, to allow reusing the existing > driver code whenever possible. As is stands with this series, the R40 > support should just be a matter of: > compatible = "allwinner,sun8i-r40-dma", > "allwinner,sun50i-a64-dma"; I just suggested the exact same thing, and then saw your mail, so I guess we have an agreement :) Maxime -- Maxime Ripard, Free Electrons Embedded Linux and Kernel engineering http://free-electrons.com
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