linux-kernel - RE: [PATCH 5/5] arm: dts: ls1021a: fix rcpm failed to claim resource

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Message-ID: <VE1PR04MB66879DA9437534C3156384E98F3A0@VE1PR04MB6687.eurprd04.prod.outlook.com>
Date:   Mon, 21 Sep 2020 21:57:31 +0000
From:   Leo Li <leoyang.li@....com>
To:     Ran Wang <ran.wang_1@....com>, Rob Herring <robh+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>
CC:     "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Ran Wang <ran.wang_1@....com>
Subject: RE: [PATCH 5/5] arm: dts: ls1021a: fix rcpm failed to claim resource



> -----Original Message-----
> From: Ran Wang <ran.wang_1@....com>
> Sent: Wednesday, September 16, 2020 3:19 AM
> To: Leo Li <leoyang.li@....com>; Rob Herring <robh+dt@...nel.org>;
> Shawn Guo <shawnguo@...nel.org>
> Cc: linuxppc-dev@...ts.ozlabs.org; linux-arm-kernel@...ts.infradead.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org; Ran Wang
> <ran.wang_1@....com>
> Subject: [PATCH 5/5] arm: dts: ls1021a: fix rcpm failed to claim resource
> 
> The range of dcfg reg is wrong, which overlap with other device, such as rcpm.
> This issue causing rcpm driver failed to claim reg resource when calling
> devm_ioremap_resource().
> 
> Signed-off-by: Ran Wang <ran.wang_1@....com>

Acked-by: Li Yang <leoyang.li@....com>

> ---
>  arch/arm/boot/dts/ls1021a.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/ls1021a.dtsi b/arch/arm/boot/dts/ls1021a.dtsi
> index e372630f..286c547 100644
> --- a/arch/arm/boot/dts/ls1021a.dtsi
> +++ b/arch/arm/boot/dts/ls1021a.dtsi
> @@ -173,7 +173,7 @@
> 
>  		dcfg: dcfg@...0000 {
>  			compatible = "fsl,ls1021a-dcfg", "syscon";
> -			reg = <0x0 0x1ee0000 0x0 0x10000>;
> +			reg = <0x0 0x1ee0000 0x0 0x1000>;
>  			big-endian;
>  		};
> 
> --
> 2.7.4