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Thu, 5 Aug 2021 09:57:10 +0000 From: "Peng Fan (OSS)" To: Aisheng Dong , "linux-remoteproc@vger.kernel.org" CC: "linux-arm-kernel@lists.infradead.org" , "ohad@wizery.com" , "dongas86@gmail.com" , "bjorn.andersson@linaro.org" , "mathieu.poirier@linaro.org" , "cleger@kalray.eu" Subject: RE: [PATCH v3 5/5] remoteproc: imx_rproc: change to ioremap_wc for dram Thread-Topic: [PATCH v3 5/5] remoteproc: imx_rproc: change to ioremap_wc for dram Thread-Index: AQHXiaqd7cYLytShwkSrk1tiAg3a+atkrQxg Date: Thu, 5 Aug 2021 09:57:10 +0000 Message-ID: References: <20210805033206.1295269-1-aisheng.dong@nxp.com> <20210805033206.1295269-5-aisheng.dong@nxp.com> In-Reply-To: <20210805033206.1295269-5-aisheng.dong@nxp.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: authentication-results: nxp.com; dkim=none (message not signed) header.d=none;nxp.com; dmarc=none action=none header.from=oss.nxp.com; x-ms-exchange-messagesentrepresentingtype: 1 x-ms-publictraffictype: Email x-ms-office365-filtering-correlation-id: 217f371e-bfb8-470e-f7b3-08d957f76471 x-ms-traffictypediagnostic: AS8PR04MB7592: x-ms-exchange-sharedmailbox-routingagent-processed: True x-ms-exchange-transport-forked: True x-microsoft-antispam-prvs: x-ms-oob-tlc-oobclassifiers: OLM:5797; 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charset="us-ascii" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-AuthSource: AM5PR0402MB2756.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-Network-Message-Id: 217f371e-bfb8-470e-f7b3-08d957f76471 X-MS-Exchange-CrossTenant-originalarrivaltime: 05 Aug 2021 09:57:10.2305 (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: qRTq2OMqsRsDAaGmyzBMFSYZINuttzMuZu73cuxUQGI6Sw1WZOhU6HLdlgywWQUkYXILOvmL9M2i7SNGKAGCJQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: AS8PR04MB7592 Precedence: bulk List-ID: X-Mailing-List: linux-remoteproc@vger.kernel.org > Subject: [PATCH v3 5/5] remoteproc: imx_rproc: change to ioremap_wc for > dram >=20 > DRAM is not io memory, so changed to ioremap_wc. This is also aligned wit= h > core io accessories. e.g. memcpy/memset and cpu direct access. >=20 > Cc: Bjorn Andersson > Cc: Mathieu Poirier > Cc: Peng Fan > Signed-off-by: Dong Aisheng Reviewed-by: Peng Fan > --- > v2->v3: > * patch content unchanged. > Only drop the wrong tag in v2 > Tested on MX8MQ and MX8MP, MX7ULP. > v1->v2: > * new patch > --- > drivers/remoteproc/imx_rproc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) >=20 > diff --git a/drivers/remoteproc/imx_rproc.c > b/drivers/remoteproc/imx_rproc.c index ff620688fad9..4ae416ba5080 > 100644 > --- a/drivers/remoteproc/imx_rproc.c > +++ b/drivers/remoteproc/imx_rproc.c > @@ -597,7 +597,7 @@ static int imx_rproc_addr_init(struct imx_rproc *priv= , > break; >=20 > /* Not use resource version, because we might share region */ > - priv->mem[b].cpu_addr =3D devm_ioremap(&pdev->dev, res.start, > resource_size(&res)); > + priv->mem[b].cpu_addr =3D devm_ioremap_wc(&pdev->dev, > res.start, > +resource_size(&res)); > if (!priv->mem[b].cpu_addr) { > dev_err(dev, "failed to remap %pr\n", &res); > return -ENOMEM; > -- > 2.25.1