netdev - Re: [PATCH net-next v4 00/14] yt6801: Add Motorcomm yt6801 PCIe driver

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Message-ID: <Z_T6vv013jraCzSD@shell.armlinux.org.uk>
Date: Tue, 8 Apr 2025 11:30:22 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Frank Sae <Frank.Sae@...or-comm.com>
Cc: Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Andrew Lunn <andrew@...n.ch>,
	Heiner Kallweit <hkallweit1@...il.com>,
	"David S . Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org,
	Masahiro Yamada <masahiroy@...nel.org>,
	Parthiban.Veerasooran@...rochip.com, linux-kernel@...r.kernel.org,
	"andrew+netdev @ lunn . ch" <andrew+netdev@...n.ch>, lee@...ger.us,
	horms@...nel.org, linux-doc@...r.kernel.org, corbet@....net,
	geert+renesas@...der.be, xiaogang.fan@...or-comm.com,
	fei.zhang@...or-comm.com, hua.sun@...or-comm.com
Subject: Re: [PATCH net-next v4 00/14] yt6801: Add Motorcomm yt6801 PCIe
 driver

On Tue, Apr 08, 2025 at 05:28:21PM +0800, Frank Sae wrote:
> This series includes adding Motorcomm YT6801 Gigabit ethernet driver
>  and adding yt6801 ethernet driver entry in MAINTAINERS file.
> YT6801 integrates a YT8531S phy.

What is different between this and the Designware GMAC4 core supported
by drivers/net/ethernet/stmicro/stmmac/ ?

Looking at the register layout, it looks very similar. The layout of the
MAC control register looks similar. The RX queue and PMT registers are
at the same relative offset. The MDIO registers as well.

Can you re-use the stmmac driver?

-- 
RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
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