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

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Message-Id: <20210608112658.4087235-1-olteanv@gmail.com>
Date:   Tue,  8 Jun 2021 14:26:58 +0300
From:   Vladimir Oltean <olteanv@...il.com>
To:     Shawn Guo <shawnguo@...nel.org>, devicetree@...r.kernel.org
Cc:     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: [PATCH] arm64: dts: fix node name for the sysclk

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>
---
 arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
index d0dddf19578a..03e1ca7fea9a 100644
--- a/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
+++ b/arch/arm64/boot/dts/freescale/fsl-ls1028a.dtsi
@@ -66,7 +66,7 @@ CPU_PW20: cpu-pw20 {
 		};
 	};
 
-	sysclk: clock-sysclk {
+	sysclk: sysclk {
 		compatible = "fixed-clock";
 		#clock-cells = <0>;
 		clock-frequency = <100000000>;
-- 
2.25.1