netdev - Re: [PATCH net-next v3 5/5] net: phy: marvell-88q2xxx: add driver for the Marvell 88Q2110 PHY

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Message-ID: <ZLY7+aM4IUw+T3cH@eichest-laptop>
Date: Tue, 18 Jul 2023 09:16:32 +0200
From: Stefan Eichenberger <eichest@...il.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: netdev@...r.kernel.org, hkallweit1@...il.com, linux@...linux.org.uk,
	francesco.dolcini@...adex.com, davem@...emloft.net,
	edumazet@...gle.com, kuba@...nel.org, pabeni@...hat.com
Subject: Re: [PATCH net-next v3 5/5] net: phy: marvell-88q2xxx: add driver
 for the Marvell 88Q2110 PHY

Hi Andrew,

On Mon, Jul 17, 2023 at 11:54:39PM +0200, Andrew Lunn wrote:
> > +#define MARVELL_PHY_ID_88Q2110	0x002b0981
> 
> > +
> > +static struct phy_driver mv88q2xxx_driver[] = {
> > +	{
> > +		.phy_id			= MARVELL_PHY_ID_88Q2110,
> > +		.phy_id_mask		= MARVELL_PHY_ID_MASK,
> 
> Probably not an issue...
> 
> The ID you have above is for revision 1 of the PHY. But the mask will
> cause the revision to be ignored. Do you want to ignore the revision?
> Are there different errata for revision 0 and 1?

A0 to A2 (Rev 1-3) are the same software wise for the current scenarios.
Z0 (Rev 0) might behave slightly different in the reset scenario but
most likely it works as well. Unfortunately, I could not test it because
I don't have such a device.

Regards,
Stefan