netdev - Re: [PATCH] Add LAN78XX OTP

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Message-ID: <20241029104313.6d15fd08@kernel.org>
Date: Tue, 29 Oct 2024 10:43:13 -0700
From: Jakub Kicinski <kuba@...nel.org>
To: Andrew Lunn <andrew@...n.ch>
Cc: Ronnie.Kunin@...rochip.com, Fabi.Benschuh@....de,
 Woojung.Huh@...rochip.com, UNGLinuxDriver@...rochip.com,
 andrew+netdev@...n.ch, davem@...emloft.net, edumazet@...gle.com,
 pabeni@...hat.com, netdev@...r.kernel.org, linux-usb@...r.kernel.org
Subject: Re: [PATCH] Add LAN78XX OTP_ACCESS flag support

On Mon, 28 Oct 2024 20:19:04 +0100 Andrew Lunn wrote:
> > This is pretty much the same implementation that is already in place
> > for the Linux driver of the LAN743x PCIe device.  
> 
> That is good, it gives some degree of consistency. But i wounder if we
> should go further. I doubt these are the only two devices which
> support both EEPROM and OTP. It would be nicer to extend ethtool:
> 
>        ethtool -e|--eeprom-dump devname [raw on|off] [offset N] [length N] [otp] [eeprom]

After a cursory look at the conversation I wonder if it wouldn't 
be easier to register devlink regions for eeprom and otp?