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SubjectRe: [PATCH net-next v1 2/4] dt-bindings: net: add schema for Microchip/SMSC LAN95xx USB Ethernet controllers
On Thu, Jan 27, 2022 at 11:59:11AM +0100, Greg KH wrote:
> On Thu, Jan 27, 2022 at 11:49:03AM +0100, Oleksij Rempel wrote:
> > Create initial schema for Microchip/SMSC LAN95xx USB Ethernet controllers and
> > import all currently supported USB IDs form drivers/net/usb/smsc95xx.c
>
> That is a loosing game to play. There is a reason that kernel drivers
> only require a device id in 1 place, instead of multiple places like
> other operating systems. Please do not go back and make the same
> mistakes others have.

This instance doesn't look so bad because SMSC devices are chips rather
than random OEM rebranded devices all with the same underlying chip.

> Not to mention that I think overall this is a bad idea anyway. USB
> devices are self-describing, don't add them to DT.

Until they are soldered down and the board maker cheaps out on having an
eeprom to hold the MAC address...

Rob

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