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x-originating-ip: [119.31.174.68] x-ms-publictraffictype: Email x-ms-office365-filtering-ht: Tenant x-ms-office365-filtering-correlation-id: 1ea820e2-8c88-42e4-b129-08d783b354aa x-ms-traffictypediagnostic: AM0PR04MB5986:|AM0PR04MB5986: x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:7691; x-forefront-prvs: 0255DF69B9 x-forefront-antispam-report: SFV:NSPM;SFS:(10009020)(4636009)(396003)(39860400002)(136003)(366004)(376002)(346002)(189003)(199004)(66946007)(33656002)(186003)(478600001)(71200400001)(26005)(110136005)(52536014)(81156014)(86362001)(54906003)(6506007)(4326008)(55016002)(9686003)(5660300002)(66446008)(2906002)(44832011)(76116006)(81166006)(8936002)(64756008)(66476007)(7696005)(8676002)(66556008)(316002);DIR:OUT;SFP:1101;SCL:1;SRVR:AM0PR04MB5986;H:AM0PR04MB4481.eurprd04.prod.outlook.com;FPR:;SPF:None;LANG:en;PTR:InfoNoRecords;MX:1;A:1; received-spf: None (protection.outlook.com: nxp.com does not designate permitted sender hosts) x-ms-exchange-senderadcheck: 1 x-microsoft-antispam: BCL:0; x-microsoft-antispam-message-info: SwFTgkTdOSKiFcoiVhX8YU8C6kO2shhF9EykILh1YTY8w6W1gtXxw6lpnDWXo7mW8Ktv6uhY0MrBSDAPhsxNSWJ9oPdV6FiRs2Znj7ex7wIVpuIOQK7kw5Im+MdmVHoUFzUekwuTtKJw8Qmb+FBKeb/J76gqe5WKLdHBiVPZ316QgsGBnnpPvGBQlonXdTmosPVccBi22ncDRkMsOpI/YYNHvLc0nDQCXnwOfBHfdqUEXO8g3Tet22PLHbkwZlXkh8F57AwvY6XD/bxamD3NgYUEb2RuaxIFkSjAvdYZ09DMGewGI01XTXqjM+nfMRaiiEDxgp9BTiGBfrLWpu1iQDZ6SBtj+CSihBI7f1tBrncRXDSKLv2A/ViGiOWKDBfbUSJNWcylnS4OkFVDfdV+7h1Frp4LaAqkEhzCTF9Q+MEZwLy5JfQkKRXc616PevEP Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1ea820e2-8c88-42e4-b129-08d783b354aa X-MS-Exchange-CrossTenant-originalarrivaltime: 18 Dec 2019 12:10:53.7852 (UTC) X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: BYvjc+H8mzOu1LlmRKiKKMuSv1ra2dE4y0jb3c2bpKuyXziLtADZLvq3sI4uVlLglKC+/p5qMmcPhfo8dp2fxg== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR04MB5986 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > Subject: Re: [PATCH] arm: dts: imx7ulp: fix reg of cpu node >=20 > Hi Peng, >=20 > On Wed, Dec 18 2019, Peng Fan wrote: > > From: Peng Fan > > > > According to arm cpus binding doc, > > " > > On 32-bit ARM v7 or later systems this property is > > required and matches the CPU MPIDR[23:0] register > > bits. > > > > Bits [23:0] in the reg cell must be set to > > bits [23:0] in MPIDR. > > > > All other bits in the reg cell must be set to 0. > > " > > > > In i.MX7ULP, the MPIDR[23:0] is 0xf00, not 0, so fix it. > > Otherwise there will be warning: > > "DT missing boot CPU MPIDR[23:0], fall back to default cpu_logical_map" > > > > Fixes: 20434dc92c05 ("ARM: dts: imx: add common imx7ulp dtsi support") > > Signed-off-by: Peng Fan > > --- > > arch/arm/boot/dts/imx7ulp.dtsi | 2 +- > > 1 file changed, 1 insertion(+), 1 deletion(-) > > > > diff --git a/arch/arm/boot/dts/imx7ulp.dtsi > > b/arch/arm/boot/dts/imx7ulp.dtsi index d37a1927c88e..aa9e50178d6b > > 100644 > > --- a/arch/arm/boot/dts/imx7ulp.dtsi > > +++ b/arch/arm/boot/dts/imx7ulp.dtsi > > @@ -40,7 +40,7 @@ > > cpu0: cpu@0 { >=20 > The address suffix in the node name should update to match 'reg'. Yes, indeed, I will change to "cpu0: cpu@f00". Thanks, Peng. >=20 > > compatible =3D "arm,cortex-a7"; > > device_type =3D "cpu"; > > - reg =3D <0>; > > + reg =3D <0xf00>; > > }; > > }; >=20 > baruch >=20