Re: [PATCH v2] net: dsa: microchip: implement KSZ87xx Module 3 low-loss cable errata
From: Andrew Lunn
Date: Wed Apr 08 2026 - 08:49:09 EST
> The control register defines the following modes:
> bits [1:0]:
> 00 = workaround disabled
> 01 = workaround 1 (DSP EQ training adjustment, LinkMD reg 0x3c)
> 10 = workaround 2 (receiver LPF bandwidth, LinkMD reg 0x4c)
There was a comment, which i only read after making the suggestion to
use two bits, of exposing the different low pass filter bandwidths,
rather than just picking one value. How useful is that?
Andrew