On Mon, Nov 09, 2020 at 10:49:33PM +0530, Vidya Sagar wrote: > As specified in the comment for pci_remap_cfgspace() define in > arch/arm64/include/asm/io.h file, PCIe configuration space should be > mapped as nGnRnE. Hence changing to dev_pci_remap_cfgspace() from > devm_ioremap_resource() for mapping DBI space as that is nothing but > the root port's own configuration space. > > Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx> > --- > V4: > * None > > V3: > * None > > V2: > * Changed 'Strongly Ordered' to 'nGnRnE' > > drivers/pci/controller/dwc/pcie-tegra194.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/pci/controller/dwc/pcie-tegra194.c b/drivers/pci/controller/dwc/pcie-tegra194.c > index b172b1d49713..7a0c64436861 100644 > --- a/drivers/pci/controller/dwc/pcie-tegra194.c > +++ b/drivers/pci/controller/dwc/pcie-tegra194.c > @@ -2108,7 +2108,9 @@ static int tegra_pcie_dw_probe(struct platform_device *pdev) > } > pcie->dbi_res = dbi_res; > > - pci->dbi_base = devm_ioremap_resource(dev, dbi_res); > + pci->dbi_base = devm_pci_remap_cfgspace(dev, > + dbi_res->start, > + resource_size(dbi_res)); > if (IS_ERR(pci->dbi_base)) > return PTR_ERR(pci->dbi_base); > Similarly to patch 1/6, this is no longer required because it's already part of one of Rob's earlier patches, so this, too, can be dropped. Thierry
Attachment:
signature.asc
Description: PGP signature
