linux-kernel - Re: [PATCH] arm64: dts: fix node name for the sysclk

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Message-ID: <20210714022943.GC31370@dragon>
Date:   Wed, 14 Jul 2021 10:29:44 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Vladimir Oltean <olteanv@...il.com>
Cc:     devicetree@...r.kernel.org, Li Yang <leoyang.li@....com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Vladimir Oltean <vladimir.oltean@....com>
Subject: Re: [PATCH] arm64: dts: fix node name for the sysclk

On Tue, Jun 08, 2021 at 02:26:58PM +0300, Vladimir Oltean wrote:
> From: Vladimir Oltean <vladimir.oltean@....com>
> 
> U-Boot attempts to fix up the "clock-frequency" property of the "/sysclk" node:
> https://elixir.bootlin.com/u-boot/v2021.04/source/arch/arm/cpu/armv8/fsl-layerscape/fdt.c#L512
> 
> but fails to do so:
> 
>   ## Booting kernel from Legacy Image at a1000000 ...
>      Image Name:
>      Created:      2021-06-08  10:31:38 UTC
>      Image Type:   AArch64 Linux Kernel Image (gzip compressed)
>      Data Size:    15431370 Bytes = 14.7 MiB
>      Load Address: 80080000
>      Entry Point:  80080000
>      Verifying Checksum ... OK
>   ## Flattened Device Tree blob at a0000000
>      Booting using the fdt blob at 0xa0000000
>      Uncompressing Kernel Image
>      Loading Device Tree to 00000000fbb19000, end 00000000fbb22717 ... OK
>   Unable to update property /sysclk:clock-frequency, err=FDT_ERR_NOTFOUND
> 
>   Starting kernel ...
> 
> All Layerscape SoCs except LS1028A use "sysclk" as the node name, and
> not "clock-sysclk". So change the node name of LS1028A accordingly.
> 
> Fixes: 8897f3255c9c ("arm64: dts: Add support for NXP LS1028A SoC")
> Signed-off-by: Vladimir Oltean <vladimir.oltean@....com>

Applied, thanks.