linux-kernel - Re: [PATCH 4.19 107/191] ARM: dts: s5pv210: move PMU node out of clock controller

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Message-ID: <20201105114648.GB9009@duo.ucw.cz>
Date:   Thu, 5 Nov 2020 12:46:48 +0100
From:   Pavel Machek <pavel@....cz>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-kernel@...r.kernel.org, stable@...r.kernel.org,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Jonathan Bakker <xc-racer2@...e.ca>,
        Sasha Levin <sashal@...nel.org>
Subject: Re: [PATCH 4.19 107/191] ARM: dts: s5pv210: move PMU node out of
 clock controller

Hi!

> The Power Management Unit (PMU) is a separate device which has little
> common with clock controller.  Moving it to one level up (from clock
> controller child to SoC) allows to remove fake simple-bus compatible and
> dtbs_check warnings like:
> 
>   clock-controller@...00000: $nodename:0:
>     'clock-controller@...00000' does not match '^([a-z][a-z0-9\\-]+-bus|bus|soc|axi|ahb|apb)(@[0-9a-f]+)?$'

> +++ b/arch/arm/boot/dts/s5pv210.dtsi
> @@ -98,19 +98,16 @@
>  		};
>  
>  		clocks: clock-controller@...00000 {
> -			compatible = "samsung,s5pv210-clock", "simple-bus";
> +			compatible = "samsung,s5pv210-clock";
>  			reg = <0xe0100000 0x10000>;
...
> +		pmu_syscon: syscon@...08000 {
> +			compatible = "samsung-s5pv210-pmu", "syscon";
> +			reg = <0xe0108000 0x8000>;
>  		};

Should clock-controller@...00000's reg be shortened to 0x8000 so that
the ranges do not overlap?

Signed-off-by: Pavel Machek (CIP) <pavel@...x.de>

Best regards,
								Pavel

diff --git a/arch/arm/boot/dts/s5pv210.dtsi b/arch/arm/boot/dts/s5pv210.dtsi
index 020a864623ff..54fc3fb56ca1 100644
--- a/arch/arm/boot/dts/s5pv210.dtsi
+++ b/arch/arm/boot/dts/s5pv210.dtsi
@@ -99,7 +99,7 @@
 
 		clocks: clock-controller@...00000 {
 			compatible = "samsung,s5pv210-clock";
-			reg = <0xe0100000 0x10000>;
+			reg = <0xe0100000 0x8000>;
 			clock-names = "xxti", "xusbxti";
 			clocks = <&xxti>, <&xusbxti>;
 			#clock-cells = <1>;



-- 
http://www.livejournal.com/~pavelmachek

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