linux-kernel - Re: [PATCH v3 3/3] arm64: dts: rockchip: add LinkEase EasePi R1

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Message-ID: <CAP_9mL5UbWH_hn0AHm=OGZ1_X7yY-W-XXxx3hXC7iPNzHH+q+w@mail.gmail.com>
Date: Thu, 9 Oct 2025 13:16:31 +0800
From: jjm2473 <jjm2473@...il.com>
To: "Russell King (Oracle)" <linux@...linux.org.uk>
Cc: Andrew Lunn <andrew@...n.ch>, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, heiko@...ech.de, quentin.schulz@...rry.de, 
	kever.yang@...k-chips.com, naoki@...xa.com, honyuenkwun@...il.com, 
	inindev@...il.com, ivan8215145640@...il.com, neil.armstrong@...aro.org, 
	mani@...nel.org, dsimic@...jaro.org, pbrobinson@...il.com, alchark@...il.com, 
	didi.debian@...ow.org, jbx6244@...il.com, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 3/3] arm64: dts: rockchip: add LinkEase EasePi R1

Russell King (Oracle) <linux@...linux.org.uk> 于2025年10月8日周三 02:48写道：
>
> On Wed, Oct 08, 2025 at 01:29:57AM +0800, jjm2473 wrote:
> > > Vendors get things wrong, including this. 'rgmii' means the PCB adds
> > > the 2ns delay. Nearly every Rockchip board follows Rockchip broken
> > > vendor recommendations, and then i come along, point out how it is
> > > wrong, and ask for it to be fixed, before being merged to Mainline.
> >
> > I will try `rgmii-id` and rescan {tx|rx}_delay, just like
> > https://lore.kernel.org/all/20250925092923.2184187-3-heiko@sntech.de/
>
> The current situation is...
>
> https://lore.kernel.org/r/20240304084612.711678-2-ukleinek@debian.org
>
> Notice that the tx_delay and rx_delay are removed - because with
> "rgmii-id" the stmmac glue driver ignores the delay values.
>
> --
> RMK's Patch system: https://www.armlinux.org.uk/developer/patches/
> FTTP is here! 80Mbps down 10Mbps up. Decent connectivity at last!

I  change phy-mode to "rgmii-id", and remove {tx|rx}_delay, it works fine!
Will apply that to the next version.

Thanks!

  Liangbin Lian