PCI: dwc: artpec6: Populate cpu_addr_fixup ops

Populate cpu_addr_fixup ops to extract the least 28 bits of the
corresponding CPU address.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Niklas Cassel <niklas.cassel@axis.com>
Acked-by: Joao Pinto <jpinto@synopsys.com>

diff --git a/drivers/pci/dwc/pcie-artpec6.c b/drivers/pci/dwc/pcie-artpec6.c
index 6d23683c0892f59646b4142242fa80bf0e85be98..5b3b3afc0edbdd4c196e114585bed277f0f2c6c4 100644 (file)
--- a/drivers/pci/dwc/pcie-artpec6.c
+++ b/drivers/pci/dwc/pcie-artpec6.c
@@ -78,6 +78,11 @@ static void artpec6_pcie_writel(struct artpec6_pcie *artpec6_pcie, u32 offset, u
        regmap_write(artpec6_pcie->regmap, offset, val);
 }
 
+static u64 artpec6_pcie_cpu_addr_fixup(u64 pci_addr)
+{
+       return pci_addr & ARTPEC6_CPU_TO_BUS_ADDR;
+}
+
 static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6_pcie)
 {
        struct dw_pcie *pci = artpec6_pcie->pci;
@@ -142,11 +147,6 @@ static int artpec6_pcie_establish_link(struct artpec6_pcie *artpec6_pcie)
         */
        dw_pcie_writel_dbi(pci, MISC_CONTROL_1_OFF, DBI_RO_WR_EN);
 
-       pp->io_base &= ARTPEC6_CPU_TO_BUS_ADDR;
-       pp->mem_base &= ARTPEC6_CPU_TO_BUS_ADDR;
-       pp->cfg0_base &= ARTPEC6_CPU_TO_BUS_ADDR;
-       pp->cfg1_base &= ARTPEC6_CPU_TO_BUS_ADDR;
-
        /* setup root complex */
        dw_pcie_setup_rc(pp);
 
@@ -235,6 +235,7 @@ static int artpec6_add_pcie_port(struct artpec6_pcie *artpec6_pcie,
 }
 
 static const struct dw_pcie_ops dw_pcie_ops = {
+       .cpu_addr_fixup = artpec6_pcie_cpu_addr_fixup,
 };
 
 static int artpec6_pcie_probe(struct platform_device *pdev)