Re: [PATCH 1/3][v2] net: phy: introduce 1000BASE-KX and 10GBASE-KR

[S.H] the fsl backplane, e.g. 10GBASE-KR, needs software to handle link training,
It's to train link partner, and trained by link partner parallel.

But if media type is not copper, e.g. optical module, we won't need this.

So what we actually need to know is copper vs fibre?

   Andrew
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