Re: [PATCH net-next 4/5] onsemi: ncn260xx: Add driver support for NCN26010 and TS2500 MAC-PHY

From: Andrew Lunn

Date: Mon May 04 2026 - 15:24:07 EST


> > You failed to answer my question about this. What happens with your
> > device if you access C45 registers which don't exist?
>
> Sorry. Waiting for an answer from hardware designer.

It should not be too difficult to program up something like:

for (int mmd = 0 ; mmd < 32; mmd++)
for (int reg = 0; reg < 65535; reg++) {
val = phy_read_mmd(phydev, mmd, reg);
printf("%2x %4x: %4x\m", mmd, reg, val);
}

Andrew