linux-kernel - Re: [PATCH v2 3/3] ARM: dts: aspeed: Remove arch timer clocks property

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Message-ID: <87h77wxslh.wl-maz@kernel.org>
Date:   Thu, 17 Mar 2022 19:54:34 +0000
From:   Marc Zyngier <maz@...nel.org>
To:     Kuldeep Singh <singh.kuldeep87k@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Joel Stanley <joel@....id.au>,
        Andrew Jeffery <andrew@...id.au>, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org
Subject: Re: [PATCH v2 3/3] ARM: dts: aspeed: Remove arch timer clocks property

On Thu, 17 Mar 2022 19:15:26 +0000,
Kuldeep Singh <singh.kuldeep87k@...il.com> wrote:
> 
> Arch timer either require clock-frequency property or doesn't need to
> specify clock at all in DT. In general, frequency can be determined
> internally and in case of brokern firmwares, need to extend
> clock-frequency to pass info to driver.

A clock frequency and a clock are not the same thing.

> 
> Aspeed BMC is the platform which defines clocks property, an invalid
> entry which can be safely removed.

Safely removed? Says who? Have you tested this change?

> 
> Moreover, clocks also matches incorrectly with the regex pattern.
> Remove this entry altogether to fix it.
> 'clocks' does not match any of the regexes: 'pinctrl-[0-9]+'

NAK. That's not a reason to randomly butcher things.

	M.

> 
> Signed-off-by: Kuldeep Singh <singh.kuldeep87k@...il.com>
> ---
>  arch/arm/boot/dts/aspeed-g6.dtsi | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
> index c32e87fad4dc..d5ef9aceb632 100644
> --- a/arch/arm/boot/dts/aspeed-g6.dtsi
> +++ b/arch/arm/boot/dts/aspeed-g6.dtsi
> @@ -64,7 +64,6 @@ timer {
>  			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
>  			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>,
>  			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_LOW)>;
> -		clocks = <&syscon ASPEED_CLK_HPLL>;
>  		arm,cpu-registers-not-fw-configured;
>  		always-on;
>  	};
> -- 
> 2.25.1
> 
> 

-- 
Without deviation from the norm, progress is not possible.