From:   Frank Li <frank.li@nxp.com>
To:     "M.H. Lian" <minghuan.lian@nxp.com>,
        Mingkai Hu <mingkai.hu@nxp.com>, Roy Zang <roy.zang@nxp.com>,
        Lorenzo Pieralisi <lpieralisi@kernel.org>,
        Rob Herring <robh@kernel.org>,
        =?iso-8859-2?Q?Krzysztof_Wilczy=F1ski?= <kw@linux.com>,
        Bjorn Helgaas <bhelgaas@google.com>,
        "open list:PCI DRIVER FOR FREESCALE LAYERSCAPE" 
        <linuxppc-dev@lists.ozlabs.org>,
        "open list:PCI DRIVER FOR FREESCALE LAYERSCAPE" 
        <linux-pci@vger.kernel.org>,
        "moderated list:PCI DRIVER FOR FREESCALE LAYERSCAPE" 
        <linux-arm-kernel@lists.infradead.org>,
        open list <linux-kernel@vger.kernel.org>
CC:     "imx@lists.linux.dev" <imx@lists.linux.dev>
Subject: RE: [PATCH 1/1] PCI: layerscape: Set 64-bit DMA mask
Thread-Topic: [PATCH 1/1] PCI: layerscape: Set 64-bit DMA mask
Thread-Index: AQHZJr0yaCK3pFdB6EKPvZEvJoExp668Dfrg
Date:   Thu, 2 Feb 2023 17:42:55 +0000
Message-ID: <HE1PR0401MB233139AC4E34F2D5E495AECC88D69@HE1PR0401MB2331.eurprd04.prod.outlook.com>
References: <20230112193621.1513505-1-Frank.Li@nxp.com>
In-Reply-To: <20230112193621.1513505-1-Frank.Li@nxp.com>
Accept-Language: en-US
Content-Language: en-US
x-ms-exchange-antispam-messagedata-chunkcount: 1
x-ms-exchange-antispam-messagedata-0: =?iso-8859-2?Q?Aow7ihOqe+cXhjKFMhEoWLfQ99cln/oDX1dvKnkp7qCxlQEt4GPDPTeLvT?=
 =?iso-8859-2?Q?u4JqOHe4SWQFNeEy5icjdWCXIGzhY4VFeShCR5kqvh8G8/o9G6oVShXUAc?=
 =?iso-8859-2?Q?+fL1MFiFTmH5Z6LbM3LUjVK6LzRgPLAsLuVGKSk9JvZy32iKiJQcmrQgai?=
 =?iso-8859-2?Q?NP6EQOpZ6vKW67N4svcjmBi8xoa3Ou3lB6Hnv/3ouPL2EJ+1XuYWuJMslL?=
 =?iso-8859-2?Q?tg+jGNkBMT/O6ZILOT4ai6XQIXpGlsNAR6j/vYat1+/oBgdbH54Pl8vxWF?=
 =?iso-8859-2?Q?dQHmCKHyhQno7fcFb5p1AkXWxCtjC+XknWx1s2pRz9HflkGjuk5u4xbIs0?=
 =?iso-8859-2?Q?+rKrRzp/azJ+DxihUuuuQn0sPkeyYQu30aqCF4TkYFuz7fFv0VHokU4oW3?=
 =?iso-8859-2?Q?wRM7QaqY1lKlL1zFP8aZH1X6d1u2zMCt6HHqwyQGtMFgOJohp1bVXGKxQL?=
 =?iso-8859-2?Q?LXrknS7REYbv0tTFg3NvndKvKWg/NbBftzo3Se12y9AeePJbr3F+81lvky?=
 =?iso-8859-2?Q?5DZs82hqSesIOHXtqnKnR0hCW6dDFaM3XXu2MJSnLnVzuN+7GvjxLbyqzN?=
 =?iso-8859-2?Q?iWOVB4fIJfBieUXIh+lnBpPlJcnLFXzXX22Y/07MNBJ/mfeHD1FBp7B6DS?=
 =?iso-8859-2?Q?KfPuqbhq1NN6Sz3mFHfX4aee1rDMrZ0vPV+90flfE6EE+G54nd//1chDXG?=
 =?iso-8859-2?Q?nCtCleebUHV6R0hFh0a0R9uNAny/OrSG6BIBKWJGn/xX6YQ7Tyw2ee+zmm?=
 =?iso-8859-2?Q?W7qdpM1pajzQ2XjhAZH8qJagtCm4gmVWWhmvMlOZu6CQjFSASpCVSHqHGB?=
 =?iso-8859-2?Q?t0J7X10qgkseFs4dHzfwEC2VDt3aJsqCAD8LoLEndEcwicDjHyPa7zXucb?=
 =?iso-8859-2?Q?s2J5pfYphSFsJCpeKmi+gBiE4bKTOeDSreh9liGESZmavbm1ZaJlAVlaDi?=
 =?iso-8859-2?Q?jMVuIp7MkTXrh9ZoRgRYJhVfpuWp39jTuh+7s3c7bcmPKHdTSuocUHUYAN?=
 =?iso-8859-2?Q?XipAXNz8uBpRTKD+VCIPZdZ4JgetQ45kHEVXoE0Z0yPKITPN5knuLqhpEQ?=
 =?iso-8859-2?Q?wEPoiwNvpaTOQ6G53koZB4HoaLPZ9LJjbrxXjhHizO371UrpnxnHn8ddf7?=
 =?iso-8859-2?Q?QXSzA7y0KvYtjvaEm2aO7+fMHkY2CUh2J9GhMLZdYyJFmkSnIGNpeSqRgX?=
 =?iso-8859-2?Q?qk4oUzUKiCBMdqgUP/ZiHC5imhTCJ/mcsARQRofQ17fOFO/FaN27TN+O+e?=
 =?iso-8859-2?Q?xZc7Xx9AVksXRvu/+qVS4uLX92HNGK0eOBfyWKmTNxxlZTppOeQY4rABtH?=
 =?iso-8859-2?Q?Ln7QI3UHGJD/o/Aj+/ztPjVpsgpcGwM+GRpODZ0OrSwyqJYHEamry0vqmW?=
 =?iso-8859-2?Q?gCmj1M16C2FLcrzAshcKqZhosDsrvbLe1b3kLuhFB14kQwS9qKAnA3EkGv?=
 =?iso-8859-2?Q?vxb2MOzydNx5U/IWMtehF+0kkfSBFSeS3GTOCilgmhA7FZTZSYXaKkRijb?=
 =?iso-8859-2?Q?vCrTcjKwr55T3Olj1Gs1YhEeBHeJaLs0Lu9sIEFhUw3ejrJpjoAADN3Wcb?=
 =?iso-8859-2?Q?I8msL+P6H9SYBoHh6UEhAc5UvvDAo2L+Zx0mgw9PAVM350T15mbMnU2hYi?=
 =?iso-8859-2?Q?czjxWzhCGgUvE=3D?=
Content-Type: text/plain; charset="iso-8859-2"
Content-Transfer-Encoding: quoted-printable
MIME-Version: 1.0
X-OriginatorOrg: nxp.com
X-MS-Exchange-CrossTenant-AuthAs: Internal
X-MS-Exchange-CrossTenant-AuthSource: HE1PR0401MB2331.eurprd04.prod.outlook.com
X-MS-Exchange-CrossTenant-Network-Message-Id: 2c50bda0-0cfe-486b-f052-08db0544ea65
X-MS-Exchange-CrossTenant-originalarrivaltime: 02 Feb 2023 17:42:55.1208
 (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: kcExfFeGB51V80zXm8Wr4bHlNqkyu7cp7QAlXU9L2E/ZbEdVsJVQjgCF+MBQs+DIiA5dbxMYQPWWopOAApRU7A==
X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM7PR04MB7159
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org


> Subject: [PATCH 1/1] PCI: layerscape: Set 64-bit DMA mask
>=20
> From: Guanhua Gao <guanhua.gao@nxp.com>
>=20
> Set DMA mask and coherent DMA mask to enable 64-bit addressing.
>=20
> Signed-off-by: Guanhua Gao <guanhua.gao@nxp.com>
> Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
> Signed-off-by: Frank Li <Frank.Li@nxp.com>
> ---

Ping

>  drivers/pci/controller/dwc/pci-layerscape-ep.c | 4 ++++
>  1 file changed, 4 insertions(+)
>=20
> diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c
> b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> index 1b884854c18e..c19e7ec58b05 100644
> --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
> +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> @@ -261,6 +261,10 @@ static int __init ls_pcie_ep_probe(struct
> platform_device *pdev)
>  	pcie->max_width =3D (dw_pcie_readw_dbi(pci, PCIE_LINK_CAP) >>
>  			  MAX_LINK_W_SHIFT) & MAX_LINK_W_MASK;
>=20
> +	/* set 64-bit DMA mask and coherent DMA mask */
> +	if (dma_set_mask_and_coherent(dev, DMA_BIT_MASK(64)))
> +		dev_warn(dev, "Failed to set 64-bit DMA mask.\n");
> +
>  	platform_set_drvdata(pdev, pcie);
>=20
>  	ret =3D dw_pcie_ep_init(&pci->ep);
> --
> 2.34.1