> Subject: [PATCH v3 5/5] remoteproc: imx_rproc: change to ioremap_wc for
> dram
>
> DRAM is not io memory, so changed to ioremap_wc. This is also aligned with
> core io accessories. e.g. memcpy/memset and cpu direct access.
>
> Cc: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>
> Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
> Cc: Peng Fan <peng.fan@xxxxxxx>
> Signed-off-by: Dong Aisheng <aisheng.dong@xxxxxxx>
Reviewed-by: Peng Fan <peng.fan@xxxxxxx>
> ---
> v2->v3:
> * patch content unchanged.
> Only drop the wrong tag in v2
> Tested on MX8MQ and MX8MP, MX7ULP.
> v1->v2:
> * new patch
> ---
> drivers/remoteproc/imx_rproc.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/remoteproc/imx_rproc.c
> b/drivers/remoteproc/imx_rproc.c index ff620688fad9..4ae416ba5080
> 100644
> --- a/drivers/remoteproc/imx_rproc.c
> +++ b/drivers/remoteproc/imx_rproc.c
> @@ -597,7 +597,7 @@ static int imx_rproc_addr_init(struct imx_rproc *priv,
> break;
>
> /* Not use resource version, because we might share region */
> - priv->mem[b].cpu_addr = devm_ioremap(&pdev->dev, res.start,
> resource_size(&res));
> + priv->mem[b].cpu_addr = devm_ioremap_wc(&pdev->dev,
> res.start,
> +resource_size(&res));
> if (!priv->mem[b].cpu_addr) {
> dev_err(dev, "failed to remap %pr\n", &res);
> return -ENOMEM;
> --
> 2.25.1
