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Fri, 10 Sep 2021 09:07:49 +0000 From: "Peng Fan (OSS)" To: ohad@wizery.com, bjorn.andersson@linaro.org, mathieu.poirier@linaro.org, o.rempel@pengutronix.de Cc: shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, linux-remoteproc@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, aisheng.dong@nxp.com, Peng Fan Subject: [PATCH V4 6/6] remoteproc: imx_rproc: change to ioremap_wc for dram Date: Fri, 10 Sep 2021 17:06:21 +0800 Message-Id: <20210910090621.3073540-7-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210910090621.3073540-1-peng.fan@oss.nxp.com> References: <20210910090621.3073540-1-peng.fan@oss.nxp.com> X-ClientProxiedBy: SG3P274CA0012.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:be::24) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (119.31.174.66) by SG3P274CA0012.SGPP274.PROD.OUTLOOK.COM (2603:1096:4:be::24) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4500.14 via Frontend Transport; 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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Dong Aisheng DRAM is not io memory, so changed to ioremap_wc. This is also aligned with core io accessories. e.g. memcpy/memset and cpu direct access. Cc: Bjorn Andersson Cc: Mathieu Poirier Cc: Peng Fan Reviewed-and-tested-by: Peng Fan Signed-off-by: Dong Aisheng Signed-off-by: Peng Fan --- drivers/remoteproc/imx_rproc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c index ff620688fad94..4ae416ba50807 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; /* Not use resource version, because we might share region */ - priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, res.start, resource_size(&res)); + priv->mem[b].cpu_addr = 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 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel