linux-kernel - Re: [PATCH 06/12] arm64: dts: zynqmp: Add label for zynqmp

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Date:   Mon, 7 Dec 2020 00:46:54 +0200
From:   Laurent Pinchart <laurent.pinchart@...asonboard.com>
To:     Michal Simek <michal.simek@...inx.com>
Cc:     linux-kernel@...r.kernel.org, monstr@...str.eu, git@...inx.com,
        Kalyani Akula <kalyani.akula@...inx.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Manish Narani <manish.narani@...inx.com>,
        Rajan Vaja <rajan.vaja@...inx.com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 06/12] arm64: dts: zynqmp: Add label for zynqmp_ipi

Hi Michal,

Thank you for the patch.

On Wed, Dec 02, 2020 at 03:06:05PM +0100, Michal Simek wrote:
> Add label which is used by bootloader for adding bootloader specific flag.
> 
> Signed-off-by: Michal Simek <michal.simek@...inx.com>
> ---
> 
> U-Boot needs to add u-boot,dm-pre-reloc; property

I'm not entirely sure what best practice rules are in this area, but
shouldn't U-Boot locate the node by name instead of label ?

> ---
>  arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index 4fa820f78d76..8e9b54b5e70c 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -99,7 +99,7 @@ opp03 {
>  		};
>  	};
>  
> -	zynqmp_ipi {
> +	zynqmp_ipi: zynqmp_ipi {
>  		compatible = "xlnx,zynqmp-ipi-mailbox";
>  		interrupt-parent = <&gic>;
>  		interrupts = <0 35 4>;

-- 
Regards,

Laurent Pinchart