linux-kernel - Re: [PATCH] arm64: dts: ti: k3-am62-main: Remove power-domains from crypto node

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Message-ID: <20230417134241.oj5cmrqjeoxj2sb2@power>
Date:   Mon, 17 Apr 2023 08:42:41 -0500
From:   Nishanth Menon <nm@...com>
To:     <kamlesh@...com>
CC:     <vigneshr@...com>, <kristo@...nel.org>, <robh+dt@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] arm64: dts: ti: k3-am62-main: Remove power-domains from
 crypto node

On 19:03-20230417, kamlesh@...com wrote:
> From: Kamlesh Gurudasani <kamlesh@...com>
> 
> With latest firmware update, we can no longer control power of SA3UL from
> main domain.

How is this backward compatible?

> 
> Remove power-domains property from the crypto node.
> 
> Signed-off-by: Kamlesh Gurudasani <kamlesh@...com>
> ---
>  arch/arm64/boot/dts/ti/k3-am62-main.dtsi | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> index b3e4857bbbe4..18a6e9ffaf58 100644
> --- a/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am62-main.dtsi
> @@ -174,7 +174,6 @@ k3_reset: reset-controller {
>  	crypto: crypto@...00000 {
>  		compatible = "ti,am62-sa3ul";
>  		reg = <0x00 0x40900000 0x00 0x1200>;
> -		power-domains = <&k3_pds 70 TI_SCI_PD_SHARED>;
>  		#address-cells = <2>;
>  		#size-cells = <2>;
>  		ranges = <0x00 0x40900000 0x00 0x40900000 0x00 0x30000>;
> -- 
> 2.34.1
> 

-- 
Regards,
Nishanth Menon
Key (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D