netdev - Re: [PATCH net-next 1/5] arm64: dts: ls1043a-qds: switch to new fixed-link binding

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Message-ID: <aLNwuEqSqrUM3dW6@shell.armlinux.org.uk>
Date: Sat, 30 Aug 2025 22:44:24 +0100
From: "Russell King (Oracle)" <linux@...linux.org.uk>
To: Heiner Kallweit <hkallweit1@...il.com>
Cc: Shawn Guo <shawnguo@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Patrice Chotard <patrice.chotard@...s.st.com>,
	Andrew Lunn <andrew@...n.ch>, Andrew Lunn <andrew+netdev@...n.ch>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Eric Dumazet <edumazet@...gle.com>,
	David Miller <davem@...emloft.net>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: [PATCH net-next 1/5] arm64: dts: ls1043a-qds: switch to new
 fixed-link binding

On Sat, Aug 30, 2025 at 11:39:58PM +0200, Heiner Kallweit wrote:
> On 8/30/2025 11:27 PM, Russell King (Oracle) wrote:
> > On Sat, Aug 30, 2025 at 12:27:23PM +0200, Heiner Kallweit wrote:
> >> The old array-type fixed-link binding has been deprecated
> >> for more than 10 yrs. Switch to the new binding.
> > 
> > ... and the fact we have device trees that use it today means that we
> > can't remove support for it from the kernel.
> > 
> After this series there is no in-tree user of the old binding any longer.

Doesn't matter. Please read Documentation/devicetree/bindings/ABI.rst
particularly the but about "newer kernel will not break on an older
device tree".

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