linux-kernel - Re: [PATCH 1/4] arm64: dts: allwinner: Pine H64: correctly remove reg_gmac

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Date: Mon, 18 Mar 2024 11:50:23 +0000
From: Andre Przywara <andre.przywara@....com>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski
 <krzysztof.kozlowski+dt@...aro.org>, Conor Dooley <conor+dt@...nel.org>,
 Chen-Yu Tsai <wens@...e.org>, Jernej Skrabec <jernej.skrabec@...il.com>,
 Samuel Holland <samuel@...lland.org>, Corentin Labbe <clabbe@...libre.com>,
 Maxime Ripard <mripard@...nel.org>, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] arm64: dts: allwinner: Pine H64: correctly remove
 reg_gmac_3v3

On Sun, 17 Mar 2024 19:41:27 +0100
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org> wrote:

Hi Krzysztof,

> There is no "reg_gmac_3v3" device node in sun50i-h6-pine-h64.dts,
> although there is "gmac-3v3" with "reg_gmac_3v3" label, so let's assume
> author wanted to remove that node.  Delete node via phandle, not via
> full node path, to fix this.

Ah, that's a good catch! Indeed that regulator node is still in the DTB
right now.

> Fixes: f33a91175029 ("arm64: dts: allwinner: add pineh64 model B")
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Successfully compiled the DTB and can confirm that the node is gone now.

Reviewed-by: Andre Przywara <andre.przywara@....com>

Cheers,
Andre

> ---
>  arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-model-b.dts | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-model-b.dts b/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-model-b.dts
> index b710f1a0f53a..1b6e5595ac6e 100644
> --- a/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-model-b.dts
> +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6-pine-h64-model-b.dts
> @@ -5,12 +5,12 @@
>  
>  #include "sun50i-h6-pine-h64.dts"
>  
> +/delete-node/ &reg_gmac_3v3;
> +
>  / {
>  	model = "Pine H64 model B";
>  	compatible = "pine64,pine-h64-model-b", "allwinner,sun50i-h6";
>  
> -	/delete-node/ reg_gmac_3v3;
> -
>  	wifi_pwrseq: wifi_pwrseq {
>  		compatible = "mmc-pwrseq-simple";
>  		reset-gpios = <&r_pio 1 3 GPIO_ACTIVE_LOW>; /* PM3 */