[PATCH v3 5/5] remoteproc: imx_rproc: change to ioremap_wc for dram

[Mathieu Poirier]

On Thu, Aug 05, 2021 at 09:57:10AM +0000, Peng Fan (OSS) wrote:
> > 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 at linaro.org>
> > Cc: Mathieu Poirier <mathieu.poirier at linaro.org>
> > Cc: Peng Fan <peng.fan at nxp.com>
> > Signed-off-by: Dong Aisheng <aisheng.dong at nxp.com>
> 
> Reviewed-by: Peng Fan <peng.fan at nxp.com>
>

Did you test this one as well?

> > ---
> > 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
>