Re: [PATCH] ARM: dts: ls1021a: Specify TBIPA register address
From: David Miller
Date: Sun Apr 08 2018 - 12:45:19 EST
From: Esben Haabendal <esben.haabendal@xxxxxxxxx>
Date: Fri, 6 Apr 2018 14:46:35 +0200
> From: Esben Haabendal <eha@xxxxxxxx>
>
> The current (mildly evil) fsl_pq_mdio code uses an undocumented shadow of
> the TBIPA register on LS1021A, which happens to be read-only.
> Changing TBI PHY address therefore does not work on LS1021A.
>
> The real (and documented) address of the TBIPA registere lies in the eTSEC
> block and not in MDIO/MII, which is read/write, so using that fixes
> the problem.
>
> Signed-off-by: Esben Haabendal <eha@xxxxxxxx>
Applied.