linux-kernel - Re: Aw: Re: [RFC v1 2/5] dt-bindings: clock: mediatek: add address-cells and size-cells to ethsys

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Date: Tue, 7 May 2024 14:35:57 -0500
From: Rob Herring <robh@...nel.org>
To: Frank Wunderlich <frank-w@...lic-files.de>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
	Frank Wunderlich <linux@...web.de>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>, Pavel Machek <pavel@....cz>,
	Lee Jones <lee@...nel.org>, "David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Eric Woudstra <ericwouds@...il.com>,
	Tianling Shen <cnsztl@...ortalwrt.org>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-leds@...r.kernel.org, netdev@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org
Subject: Re: Aw: Re: [RFC v1 2/5] dt-bindings: clock: mediatek: add
 address-cells and size-cells to ethsys

On Mon, May 06, 2024 at 06:51:43PM +0200, Frank Wunderlich wrote:
> > Gesendet: Montag, 06. Mai 2024 um 10:18 Uhr
> > Von: "Krzysztof Kozlowski" <krzysztof.kozlowski@...aro.org>
> > On 05/05/2024 18:45, Frank Wunderlich wrote:
> > > From: Frank Wunderlich <frank-w@...lic-files.de>
> > >
> > > Add missing properties already used in mt7986a.dtsi.
> >
> > Missing for what? Or why? Provide context, IOW, explain why they are
> > missing.
> 
> ethernet-node in mt7986a.dtsi hast reset-cells-property
> 
> https://elixir.bootlin.com/linux/v6.9-rc1/source/arch/arm64/boot/dts/mediatek/mt7986a.dtsi#L559
> 
> and
> 
> address-cells and size-cells are used here:
> 
> https://elixir.bootlin.com/linux/v6.9-rc1/source/arch/arm64/boot/dts/mediatek/mt7986a.dtsi#L495
> 
> i saw the warnings while checking my r3mini dts...
> 
> arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-mini.dtb: syscon@...00000: '#address-cells', '#size-cells' do not match any of the regexes: 'pinctrl-[0-9]+'
> 	from schema $id: http://devicetree.org/schemas/clock/mediatek,ethsys.yaml#
> arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-mini.dtb: ethernet@...00000: Unevaluated properties are not allowed ('#reset-cells' was unexpected)
> 	from schema $id: http://devicetree.org/schemas/net/mediatek,net.yaml#
> 
> so i thought it is a good idea to fix this now ;)

The dts is already fixed dropping these properties in linux-next.

If you don't have child nodes with reg/ranges, then you never need 
#address-cells or #size-cells.

Rob