linux-kernel - Re: [PATCH] arm64: dts: ti: k3-am654: Drop ti,syscon-rgmii-delay from ICSSG nodes

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Date: Thu, 15 Feb 2024 18:23:43 +0100
From: Andrew Lunn <andrew@...n.ch>
To: "Anwar, Md Danish" <a0501179@...com>
Cc: Roger Quadros <rogerq@...nel.org>, MD Danish Anwar <danishanwar@...com>,
	Vignesh Raghavendra <vigneshr@...com>, Nishanth Menon <nm@...com>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Rob Herring <robh+dt@...nel.org>, linux-kernel@...r.kernel.org,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	Tero Kristo <kristo@...nel.org>, srk@...com, r-gunasekaran@...com
Subject: Re: [PATCH] arm64: dts: ti: k3-am654: Drop ti,syscon-rgmii-delay
 from ICSSG nodes

On Thu, Feb 15, 2024 at 10:26:59PM +0530, Anwar, Md Danish wrote:
> 
> 
> On 2/15/2024 9:27 PM, Roger Quadros wrote:
> > 
> > 
> > On 15/02/2024 12:54, MD Danish Anwar wrote:
> >> Drop ti,syscon-rgmii-delay from ICSSG0, ICSSG1 and ICSSG2 node as this
> >> property is no longer used by ICSSG driver.
> >>
> >> Signed-off-by: MD Danish Anwar <danishanwar@...com>
> >> ---
> >>  arch/arm64/boot/dts/ti/k3-am654-icssg2.dtso | 2 --
> >>  arch/arm64/boot/dts/ti/k3-am654-idk.dtso    | 4 ----
> >>  2 files changed, 6 deletions(-)
> > 
> > What about the DT binding document?
> > 
> 
> Now I am only removing the property from device tree. Once this proprty
> is removed from all DTs, in the 6.9-rc-1 I will remove the binding as
> well so that net people can merge that without getting any errors /
> warnings.

Did the binding have the property as mandatory? If so you are probably
doing this the wrong way around. You should first modify the binding
to mark it as optional and deprecated. Then modify the .dts{i} files
to remove it.

   Andrew