linux-kernel - [PATCH 03/10] remoteproc: imx: use devm

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Date:   Fri, 24 Jul 2020 16:08:06 +0800
From:   Peng Fan <peng.fan@....com>
To:     bjorn.andersson@...aro.org, mathieu.poirier@...aro.org,
        o.rempel@...gutronix.de, robh+dt@...nel.org
Cc:     linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        Peng Fan <peng.fan@....com>
Subject: [PATCH 03/10] remoteproc: imx: use devm_ioremap

We might need to map an region multiple times, becaue the region might
be shared between remote processors, such i.MX8QM with dual M4 cores.
So use devm_ioremap, not devm_ioremap_resource.

Reviewed-by: Richard Zhu <hongxing.zhu@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
---
 drivers/remoteproc/imx_rproc.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 3b3904ebac75..82594a800a1b 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -296,9 +296,10 @@ static int imx_rproc_addr_init(struct imx_rproc *priv,
 		if (b >= IMX7D_RPROC_MEM_MAX)
 			break;
 
-		priv->mem[b].cpu_addr = devm_ioremap_resource(&pdev->dev, &res);
+		/* Not use resource version, because we might share region*/
+		priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, res.start, resource_size(&res));
 		if (IS_ERR(priv->mem[b].cpu_addr)) {
-			dev_err(dev, "devm_ioremap_resource failed\n");
+			dev_err(dev, "devm_ioremap %pR failed\n", &res);
 			err = PTR_ERR(priv->mem[b].cpu_addr);
 			return err;
 		}
-- 
2.16.4