Remove artpec6_pcie_cpu_addr_fixup() as the DT bus fabric should provide correct
address translation. Set use_parent_dt_ranges to allow the DWC core driver to
fetch address translation from the device tree.
Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
drivers/pci/controller/dwc/pcie-artpec6.c | 20 ++------------------
1 file changed, 2 insertions(+), 18 deletions(-)
diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c
index 234c8cbcae3af..d2a628a0fdc17 100644
--- a/drivers/pci/controller/dwc/pcie-artpec6.c
+++ b/drivers/pci/controller/dwc/pcie-artpec6.c
@@ -94,23 +94,6 @@ 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(struct dw_pcie *pci, u64 cpu_addr)
-{
- struct artpec6_pcie *artpec6_pcie = to_artpec6_pcie(pci);
- struct dw_pcie_rp *pp = &pci->pp;
- struct dw_pcie_ep *ep = &pci->ep;
-
- switch (artpec6_pcie->mode) {
- case DW_PCIE_RC_TYPE:
- return cpu_addr - pp->cfg0_base;
- case DW_PCIE_EP_TYPE:
- return cpu_addr - ep->phys_base;
- default:
- dev_err(pci->dev, "UNKNOWN device type\n");
- }
- return cpu_addr;
-}
-
static int artpec6_pcie_establish_link(struct dw_pcie *pci)
{
struct artpec6_pcie *artpec6_pcie = to_artpec6_pcie(pci);
@@ -134,7 +117,6 @@ static void artpec6_pcie_stop_link(struct dw_pcie *pci)
}
static const struct dw_pcie_ops dw_pcie_ops = {
- .cpu_addr_fixup = artpec6_pcie_cpu_addr_fixup,
.start_link = artpec6_pcie_establish_link,
.stop_link = artpec6_pcie_stop_link,
};
@@ -433,6 +415,8 @@ static int artpec6_pcie_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, artpec6_pcie);
+ pci->use_parent_dt_ranges = true;
+
switch (artpec6_pcie->mode) {
case DW_PCIE_RC_TYPE:
if (!IS_ENABLED(CONFIG_PCIE_ARTPEC6_HOST))
--
2.34.1
