linux-kernel - RE: [PATCH 3/3] arm64: dts: imx8mp: adjust GIC CPU mask to match number of CPUs

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Message-ID: <AM6PR04MB49175C3F7455B26ED187E98C87320@AM6PR04MB4917.eurprd04.prod.outlook.com>
Date:   Tue, 29 Sep 2020 08:52:19 +0000
From:   Jacky Bai <ping.bai@....com>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        dl-linux-imx <linux-imx@....com>,
        Anson Huang <anson.huang@....com>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: RE: [PATCH 3/3] arm64: dts: imx8mp: adjust GIC CPU mask to match
 number of CPUs

> -----Original Message-----
> From: Krzysztof Kozlowski [mailto:krzk@...nel.org]
> Sent: Tuesday, September 29, 2020 4:40 PM
> To: Rob Herring <robh+dt@...nel.org>; Shawn Guo <shawnguo@...nel.org>;
> Sascha Hauer <s.hauer@...gutronix.de>; Pengutronix Kernel Team
> <kernel@...gutronix.de>; Fabio Estevam <festevam@...il.com>;
> dl-linux-imx <linux-imx@....com>; Anson Huang <anson.huang@....com>;
> devicetree@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> linux-kernel@...r.kernel.org
> Cc: Jacky Bai <ping.bai@....com>; Krzysztof Kozlowski <krzk@...nel.org>
> Subject: [PATCH 3/3] arm64: dts: imx8mp: adjust GIC CPU mask to match
> number of CPUs
> 
> i.MX 8M Plus has four Cortex-A CPUs, not six.  Using higher value is harmless
> but adjust it to match real HW.
> 
> Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org>

For this patchset

Reviewed-by: Jacky Bai <ping.bai@....com>

BR

> ---
>  arch/arm64/boot/dts/freescale/imx8mp.dtsi | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> index 6038f66aefc1..c69c206068a4 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> +++ b/arch/arm64/boot/dts/freescale/imx8mp.dtsi
> @@ -202,10 +202,10 @@
> 
>  	timer {
>  		compatible = "arm,armv8-timer";
> -		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(6) |
> IRQ_TYPE_LEVEL_LOW)>,
> -			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(6) |
> IRQ_TYPE_LEVEL_LOW)>,
> -			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(6) |
> IRQ_TYPE_LEVEL_LOW)>,
> -			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(6) |
> IRQ_TYPE_LEVEL_LOW)>;
> +		interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(4) |
> IRQ_TYPE_LEVEL_LOW)>,
> +			     <GIC_PPI 14 (GIC_CPU_MASK_SIMPLE(4) |
> IRQ_TYPE_LEVEL_LOW)>,
> +			     <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(4) |
> IRQ_TYPE_LEVEL_LOW)>,
> +			     <GIC_PPI 10 (GIC_CPU_MASK_SIMPLE(4) |
> IRQ_TYPE_LEVEL_LOW)>;
>  		clock-frequency = <8000000>;
>  		arm,no-tick-in-suspend;
>  	};
> --
> 2.17.1