On Fri, Aug 7, 2020 at 4:25 AM Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx> wrote: > > This gets iATU register area from reg property. In Synopsys DWC version > 4.80 or later, since iATU register area is separated from core register > area, this area is necessary to get from DT independently. > > Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@xxxxxxxxxxxxx> > --- > drivers/pci/controller/dwc/pcie-uniphier.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/pci/controller/dwc/pcie-uniphier.c b/drivers/pci/controller/dwc/pcie-uniphier.c > index 55a7166..93ef608 100644 > --- a/drivers/pci/controller/dwc/pcie-uniphier.c > +++ b/drivers/pci/controller/dwc/pcie-uniphier.c > @@ -471,6 +471,11 @@ static int uniphier_pcie_probe(struct platform_device *pdev) > if (IS_ERR(priv->pci.dbi_base)) > return PTR_ERR(priv->pci.dbi_base); > > + priv->pci.atu_base = > + devm_platform_ioremap_resource_byname(pdev, "atu"); > + if (IS_ERR(priv->pci.atu_base)) > + priv->pci.atu_base = NULL; Keystone has the same 'atu' resource setup. Please move its code to the DW core and use that. Rob