linux-kernel - [PATCH V10 06/10] remoteproc: imx_rproc: use devm

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Message-Id: <1613392463-9676-7-git-send-email-peng.fan@oss.nxp.com>
Date:   Mon, 15 Feb 2021 20:34:19 +0800
From:   peng.fan@....nxp.com
To:     ohad@...ery.com, bjorn.andersson@...aro.org,
        mathieu.poirier@...aro.org, o.rempel@...gutronix.de,
        robh+dt@...nel.org, devicetree@...r.kernel.org
Cc:     shawnguo@...nel.org, s.hauer@...gutronix.de, kernel@...gutronix.de,
        festevam@...il.com, linux-imx@....com,
        linux-remoteproc@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        paul@...pouillou.net, matthias.bgg@...il.com, agross@...nel.org,
        patrice.chotard@...com, Peng Fan <peng.fan@....com>
Subject: [PATCH V10 06/10] remoteproc: imx_rproc: use devm_ioremap

From: Peng Fan <peng.fan@....com>

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: Oleksij Rempel <o.rempel@...gutronix.de>
Reviewed-by: Richard Zhu <hongxing.zhu@....com>
Signed-off-by: Peng Fan <peng.fan@....com>
Reviewed-by: Mathieu Poirier <mathieu.poirier@...aro.org>
---
 drivers/remoteproc/imx_rproc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/remoteproc/imx_rproc.c b/drivers/remoteproc/imx_rproc.c
index 2a093cea4997..47fc1d06be6a 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -296,7 +296,8 @@ 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, "failed to remap %pr\n", &res);
 			err = PTR_ERR(priv->mem[b].cpu_addr);
-- 
2.30.0