linux-kernel - Re: [RFC PATCH net-next v5 0/3] Add DWMAC glue driver for Motorcomm YT6801

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Message-ID: <aV3NEGx2sffePTH_@pie>
Date: Wed, 7 Jan 2026 03:03:44 +0000
From: Yao Zi <me@...ao.cc>
To: "Russell King (Oracle)" <linux@...linux.org.uk>
Cc: Andrew Lunn <andrew+netdev@...n.ch>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Frank <Frank.Sae@...or-comm.com>,
	Heiner Kallweit <hkallweit1@...il.com>,
	Vladimir Oltean <vladimir.oltean@....com>,
	Choong Yong Liang <yong.liang.choong@...ux.intel.com>,
	Chen-Yu Tsai <wens@...e.org>, Jisheng Zhang <jszhang@...nel.org>,
	Furong Xu <0x1207@...il.com>, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, Mingcong Bai <jeffbai@...c.io>,
	Kexy Biscuit <kexybiscuit@...c.io>
Subject: Re: [RFC PATCH net-next v5 0/3] Add DWMAC glue driver for Motorcomm
 YT6801

On Mon, Jan 05, 2026 at 04:58:04PM +0000, Russell King (Oracle) wrote:
> On Mon, Jan 05, 2026 at 04:32:50PM +0000, Yao Zi wrote:
> > On Thu, Dec 25, 2025 at 07:19:11AM +0000, Yao Zi wrote:
> > > This series adds glue driver for Motorcomm YT6801 PCIe ethernet
> > > controller, which is considered mostly compatible with DWMAC-4 IP by
> > > inspecting the register layout[1]. It integrates a Motorcomm YT8531S PHY
> > > (confirmed by reading PHY ID) and GMII is used to connect the PHY to
> > > MAC[2].
> > > 
> > > The initialization logic of the MAC is mostly based on previous upstream
> > > effort for the controller[3] and the Deepin-maintained downstream Linux
> > > driver[4] licensed under GPL-2.0 according to its SPDX headers. However,
> > > this series is a completely re-write of the previous patch series,
> > > utilizing the existing DWMAC4 driver and introducing a glue driver only.
> > > 
> > > This series only aims to add basic networking functions for the
> > > controller, features like WoL, RSS and LED control are omitted for now.
> > > Testing is done on i3-4170, it reaches 939Mbps (TX)/932Mbps (RX) on
> > > average,
> > 
> > Should I send v6 as non-RFC with the tag collected, since net-next is
> > open now? Thanks for your answer.
> 
> Bear in mind that some folk (me included) have been on vacation over
> the holiday period, and we're now in catch up mode with all the email
> that arrived during the period we've been away. In my case, that
> covers 11th December to 2nd January.
> 
> I've just reviewed your dwmac patch and sent comments, which are
> minor but would still be an improvement.

Thanks for answering and the comment, I'll take the change and send v6
out soon. Sorry for the extra burden.

> Thanks.

Best regards,
Yao Zi

> -- 
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!