linux-kernel - Re: [PATCH] arm64: dts: imx8qm: Drop CPU 'arm,armv8' compatible

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Date:   Mon, 24 Jan 2022 08:53:02 -0600
From:   Rob Herring <robh@...nel.org>
To:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Cc:     linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: imx8qm: Drop CPU 'arm,armv8' compatible

On Fri, Dec 17, 2021 at 11:39 AM Rob Herring <robh@...nel.org> wrote:
>
> The CPU 'arm,armv8' compatible is only for s/w models, so remove it from
> i.MX8QM CPU nodes.
>
> Cc: Shawn Guo <shawnguo@...nel.org>
> Cc: Sascha Hauer <s.hauer@...gutronix.de>
> Cc: Pengutronix Kernel Team <kernel@...gutronix.de>
> Cc: Fabio Estevam <festevam@...il.com>
> Cc: NXP Linux Team <linux-imx@....com>
> Cc: linux-arm-kernel@...ts.infradead.org
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> Note that the PMU node is also wrong as it should have separate A72 and
> A53 nodes to get uarch specific events, but that needs some GIC changes.
> ---
>  arch/arm64/boot/dts/freescale/imx8qm.dtsi | 12 ++++++------
>  1 file changed, 6 insertions(+), 6 deletions(-)

Ping

>
> diff --git a/arch/arm64/boot/dts/freescale/imx8qm.dtsi b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> index aebbe2b84aa1..b13f09ca0404 100644
> --- a/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8qm.dtsi
> @@ -54,7 +54,7 @@ core1 {
>
>                 A53_0: cpu@0 {
>                         device_type = "cpu";
> -                       compatible = "arm,cortex-a53", "arm,armv8";
> +                       compatible = "arm,cortex-a53";
>                         reg = <0x0 0x0>;
>                         enable-method = "psci";
>                         next-level-cache = <&A53_L2>;
> @@ -62,7 +62,7 @@ A53_0: cpu@0 {
>
>                 A53_1: cpu@1 {
>                         device_type = "cpu";
> -                       compatible = "arm,cortex-a53", "arm,armv8";
> +                       compatible = "arm,cortex-a53";
>                         reg = <0x0 0x1>;
>                         enable-method = "psci";
>                         next-level-cache = <&A53_L2>;
> @@ -70,7 +70,7 @@ A53_1: cpu@1 {
>
>                 A53_2: cpu@2 {
>                         device_type = "cpu";
> -                       compatible = "arm,cortex-a53", "arm,armv8";
> +                       compatible = "arm,cortex-a53";
>                         reg = <0x0 0x2>;
>                         enable-method = "psci";
>                         next-level-cache = <&A53_L2>;
> @@ -78,7 +78,7 @@ A53_2: cpu@2 {
>
>                 A53_3: cpu@3 {
>                         device_type = "cpu";
> -                       compatible = "arm,cortex-a53", "arm,armv8";
> +                       compatible = "arm,cortex-a53";
>                         reg = <0x0 0x3>;
>                         enable-method = "psci";
>                         next-level-cache = <&A53_L2>;
> @@ -86,7 +86,7 @@ A53_3: cpu@3 {
>
>                 A72_0: cpu@100 {
>                         device_type = "cpu";
> -                       compatible = "arm,cortex-a72", "arm,armv8";
> +                       compatible = "arm,cortex-a72";
>                         reg = <0x0 0x100>;
>                         enable-method = "psci";
>                         next-level-cache = <&A72_L2>;
> @@ -94,7 +94,7 @@ A72_0: cpu@100 {
>
>                 A72_1: cpu@101 {
>                         device_type = "cpu";
> -                       compatible = "arm,cortex-a72", "arm,armv8";
> +                       compatible = "arm,cortex-a72";
>                         reg = <0x0 0x101>;
>                         enable-method = "psci";
>                         next-level-cache = <&A72_L2>;
> --
> 2.32.0
>