linux-kernel - Re: [PATCH 2/2] arm64: dts: exynos: gs101: comply with the new cmu

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Date: Thu, 21 Dec 2023 17:22:15 +0000
From: André Draszik <andre.draszik@...aro.org>
To: tudor.ambarus@...aro.org
Cc: alim.akhtar@...sung.com, conor+dt@...nel.org,
 devicetree@...r.kernel.org,  kernel-team@...roid.com,
 krzysztof.kozlowski+dt@...aro.org,  linux-arm-kernel@...ts.infradead.org,
 linux-clk@...r.kernel.org,  linux-kernel@...r.kernel.org,
 linux-samsung-soc@...r.kernel.org,  mturquette@...libre.com,
 peter.griffin@...aro.org, robh+dt@...nel.org,  robh@...nel.org,
 semen.protsenko@...aro.org
Subject: Re: [PATCH 2/2] arm64: dts: exynos: gs101: comply with the new
 cmu_misc clock names

Hi Tudor,

> diff --git a/arch/arm64/boot/dts/exynos/google/gs101.dtsi b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
> index 9747cb3fa03a..d838e3a7af6e 100644
> --- a/arch/arm64/boot/dts/exynos/google/gs101.dtsi
> +++ b/arch/arm64/boot/dts/exynos/google/gs101.dtsi
> @@ -289,7 +289,7 @@ cmu_misc: clock-controller@...10000 {
>  			#clock-cells = <1>;
>  			clocks = <&cmu_top CLK_DOUT_CMU_MISC_BUS>,
>  				 <&cmu_top CLK_DOUT_CMU_MISC_SSS>;
> -			clock-names = "dout_cmu_misc_bus", "dout_cmu_misc_sss";
> +			clock-names = "bus", "sss";
>  		};
> 

With this change, parent clock enablement fails, and we get:
    exynos_arm64_register_cmu: could not enable bus clock dout_cmu_misc_bus; err = -2
during boot.


Cheers,
Andre'