Re: [PATCH V2 4/7] remoteproc: imx_rproc: use devm_ioremap

Mathieu Poirier
2020-10-19T17:26:56Z

On Sun, Sep 27, 2020 at 02:41:28PM +0800, Peng Fan wrote:
> 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@pengutronix.de>
> Reviewed-by: Richard Zhu <hongxing.zhu@nxp.com>
> Signed-off-by: Peng Fan <peng.fan@nxp.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 aa5fbd0c7768..48ce09e857ee 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*/

s/"region*"/"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
>