linux-kernel - Re: [PATCH v1] arm64: dts: imx8-apalis: Fix LEDs name collision

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Message-ID: <aXExepw/T8OLcNwF@lizhi-Precision-Tower-5810>
Date: Wed, 21 Jan 2026 15:05:14 -0500
From: Frank Li <Frank.li@....com>
To: Francesco Dolcini <francesco@...cini.it>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>,
	Francesco Dolcini <francesco.dolcini@...adex.com>,
	devicetree@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1] arm64: dts: imx8-apalis: Fix LEDs name collision

On Mon, Jan 19, 2026 at 11:34:09AM +0100, Francesco Dolcini wrote:
> From: Francesco Dolcini <francesco.dolcini@...adex.com>
>
> Ixora boards have multiple instances of status leds, to avoid a name
> collision add the function-enumerator property.
>
> This fixes the following Linux kernel warnings:
>
>   leds-gpio leds: Led green:status renamed to green:status_1 due to name collision
>   leds-gpio leds: Led red:status renamed to red:status_1 due to name collision
>
> Fixes: c083131c9021 ("arm64: dts: freescale: add apalis imx8 aka quadmax carrier board support")
> Signed-off-by: Francesco Dolcini <francesco.dolcini@...adex.com>

Reviewed-by: Frank Li <Frank.Li@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.1.dtsi | 4 ++++
>  arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi | 4 ++++
>  2 files changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.1.dtsi b/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.1.dtsi
> index 7022de46b8bf..abb131d247c3 100644
> --- a/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.1.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.1.dtsi
> @@ -21,6 +21,7 @@ led-1 {
>  			color = <LED_COLOR_ID_GREEN>;
>  			default-state = "off";
>  			function = LED_FUNCTION_STATUS;
> +			function-enumerator = <1>;
>  			gpios = <&lsio_gpio5 27 GPIO_ACTIVE_HIGH>;
>  		};
>
> @@ -29,6 +30,7 @@ led-2 {
>  			color = <LED_COLOR_ID_RED>;
>  			default-state = "off";
>  			function = LED_FUNCTION_STATUS;
> +			function-enumerator = <1>;
>  			gpios = <&lsio_gpio5 29 GPIO_ACTIVE_HIGH>;
>  		};
>
> @@ -37,6 +39,7 @@ led-3 {
>  			color = <LED_COLOR_ID_GREEN>;
>  			default-state = "off";
>  			function = LED_FUNCTION_STATUS;
> +			function-enumerator = <2>;
>  			gpios = <&lsio_gpio5 20 GPIO_ACTIVE_HIGH>;
>  		};
>
> @@ -45,6 +48,7 @@ led-4 {
>  			color = <LED_COLOR_ID_RED>;
>  			default-state = "off";
>  			function = LED_FUNCTION_STATUS;
> +			function-enumerator = <2>;
>  			gpios = <&lsio_gpio5 21 GPIO_ACTIVE_HIGH>;
>  		};
>  	};
> diff --git a/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi b/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi
> index 12732ed7f811..a0b452b92b3e 100644
> --- a/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8-apalis-ixora-v1.2.dtsi
> @@ -21,6 +21,7 @@ led-1 {
>  			color = <LED_COLOR_ID_GREEN>;
>  			default-state = "off";
>  			function = LED_FUNCTION_STATUS;
> +			function-enumerator = <1>;
>  			gpios = <&lsio_gpio5 27 GPIO_ACTIVE_HIGH>;
>  		};
>
> @@ -29,6 +30,7 @@ led-2 {
>  			color = <LED_COLOR_ID_RED>;
>  			default-state = "off";
>  			function = LED_FUNCTION_STATUS;
> +			function-enumerator = <1>;
>  			gpios = <&lsio_gpio5 29 GPIO_ACTIVE_HIGH>;
>  		};
>
> @@ -37,6 +39,7 @@ led-3 {
>  			color = <LED_COLOR_ID_GREEN>;
>  			default-state = "off";
>  			function = LED_FUNCTION_STATUS;
> +			function-enumerator = <2>;
>  			gpios = <&lsio_gpio5 20 GPIO_ACTIVE_HIGH>;
>  		};
>
> @@ -45,6 +48,7 @@ led-4 {
>  			color = <LED_COLOR_ID_RED>;
>  			default-state = "off";
>  			function = LED_FUNCTION_STATUS;
> +			function-enumerator = <2>;
>  			gpios = <&lsio_gpio5 21 GPIO_ACTIVE_HIGH>;
>  		};
>  	};
> --
> 2.47.3
>