[PATCH V3 4/7] remoteproc: imx_rproc: use devm_ioremap

From: Peng Fan (OSS)
Date: Fri Dec 04 2020 - 02:14:35 EST


From: Peng Fan <peng.fan@xxxxxxx>

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@xxxxxxxxxxxxxx>
Reviewed-by: Richard Zhu <hongxing.zhu@xxxxxxx>
Signed-off-by: Peng Fan <peng.fan@xxxxxxx>
---
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 aa5fbd0c7768..15c7baa480d7 100644
--- a/drivers/remoteproc/imx_rproc.c
+++ b/drivers/remoteproc/imx_rproc.c
@@ -298,9 +298,10 @@ 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;
}
--
2.28.0