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SubjectRe: [PATCH v2 2/2] net: stmmac: Add Ingenic SoCs MAC support.
>     We are much more strict about this now than before. You have to use
> standard units and convert to hardware values. It also makes it a lot
> easier for DT writers, if they have an idea what the units mean.
>
> Having the MAC add small delays is something you can add later,
> without breaking backwards compatibility. So if you cannot determine
> what the units are now, just submit the glue driver without support
> for this feature. If anybody really needs it, they can do the needed
> research, maybe do some measurements, and then add the code.
>
>
> I did an experiment, when the tx delay is not set, RGMII works a

You had rgmii-id in your device tree, so that the PHY added the
delays?

Andrew

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