[PATCH V8 06/10] remoteproc: imx_rproc: use devm_ioremap

From: peng . fan
Date: Tue Jan 19 2021 - 02:54:54 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>
Reviewed-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
---
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);
--
2.28.0