linux-kernel - Re: [PATCH net-next] net: dsa: mv88e6xxx: Add erratum 3.14 for 88E6390X and 88E6190X

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Message-ID: <22008be3-3706-45c9-b370-7df94662fea4@lunn.ch>
Date:   Fri, 14 Jul 2023 16:44:08 +0200
From:   Andrew Lunn <andrew@...n.ch>
To:     Ante Knezic <ante.knezic@...mholz.de>
Cc:     davem@...emloft.net, edumazet@...gle.com, f.fainelli@...il.com,
        kuba@...nel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, olteanv@...il.com, pabeni@...hat.com
Subject: Re: [PATCH net-next] net: dsa: mv88e6xxx: Add erratum 3.14 for
 88E6390X and 88E6190X

> >Does Marvell give this register a name? If so, please add a #define.
> >Are the bits in the register documented?
> 
> Unfortunately, no. This is one of those undocumented registers. I will
> make a note of it in the commit message.

Undocumented magic is typical for Marvell Erratas.

> 
> >> +     if (!err && up) {
> >> +             if (chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6390X ||
> >> +                 chip->info->prod_num == MV88E6XXX_PORT_SWITCH_ID_PROD_6190X)
> 
> >6191X? 6193X?
> 
> Errata I have available refers only to 6190x and 6390x. Not sure about other devices.

Please mention this in the commit message.

Thanks
	Andrew