回覆: [net-next 0/3] Add Aspeed G7 MDIO support

[Jacky Chou]

Hi Andrew,

This is Jacky from ASPEED.
Last year, I submitted a series of patches to add a new compatible string "aspeed,ast2700-mdio". At that time, the feedback I received was that if there were no functional changes, a new compatible string would not be necessary.
Recently, we are submitting the AST2700 platform support to the Linux kernel. In the following discussion thread, it appears that the MDIO driver might need a new compatible string for the AST2700 platform:
https://lore.kernel.org/all/b048afc1-a143-4fd0-94c9-3677339d7f56@lunn.ch/
I would like to confirm whether this case should be submitted separately to net-next, and in general, if there are no hardware or design changes, is it still required to introduce a new compatible string?
Thank you for your guidance.

Thanks,
Jacky

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________________________________
寄件者: Andrew Lunn <andrew at lunn.ch>
寄件日期: 2024年11月19日 上午 09:50
收件者: Jacky Chou <jacky_chou at aspeedtech.com>
副本: andrew+netdev at lunn.ch <andrew+netdev at lunn.ch>; davem at davemloft.net <davem at davemloft.net>; edumazet at google.com <edumazet at google.com>; kuba at kernel.org <kuba at kernel.org>; pabeni at redhat.com <pabeni at redhat.com>; robh at kernel.org <robh at kernel.org>; krzk+dt at kernel.org <krzk+dt at kernel.org>; conor+dt at kernel.org <conor+dt at kernel.org>; joel at jms.id.au <joel at jms.id.au>; andrew at codeconstruct.com.au <andrew at codeconstruct.com.au>; hkallweit1 at gmail.com <hkallweit1 at gmail.com>; linux at armlinux.org.uk <linux at armlinux.org.uk>; netdev at vger.kernel.org <netdev at vger.kernel.org>; devicetree at vger.kernel.org <devicetree at vger.kernel.org>; linux-arm-kernel at lists.infradead.org <linux-arm-kernel at lists.infradead.org>; linux-aspeed at lists.ozlabs.org <linux-aspeed at lists.ozlabs.org>; linux-kernel at vger.kernel.org <linux-kernel at vger.kernel.org>
主旨: Re: [net-next 0/3] Add Aspeed G7 MDIO support

On Mon, Nov 18, 2024 at 06:47:32PM +0800, Jacky Chou wrote:
> The Aspeed 7th generation SoC features three MDIO controllers.
> The design of AST2700 MDIO controller is the same as AST2600.

If they are identical, why do you need a new compatible?

        Andrew
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