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[v10,10/10] PCI: imx6: Remove cpu_addr_fixup()

Message ID 20250310-pci_fixup_addr-v10-10-409dafc950d1@nxp.com (mailing list archive)
State New
Headers show
Series PCI: Use device bus range info to cleanup RC Host/EP pci_fixup_addr() | expand

Commit Message

Frank Li March 10, 2025, 8:16 p.m. UTC 
Remove cpu_addr_fixup() because dwc common driver already handle address
translate.

Acked-by: Richard Zhu <hongxing.zhu@nxp.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
change from v9 to v10
- none

Change from v8 to v9
- rebase latest linux-next (close enough to v6.14-rc1)

Change from v7 to v8
- add mani and richard's review/ack tag
- use varible 'use_parent_dt_ranges'

Change from v2 to v7
- none
Change from v1 to v2
- set using_dtbus_info true
---
 drivers/pci/controller/dwc/pci-imx6.c | 18 +-----------------
 1 file changed, 1 insertion(+), 17 deletions(-)
diff mbox series

Patch

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
index 90ace941090f9..d1eb535df73e1 100644
--- a/drivers/pci/controller/dwc/pci-imx6.c
+++ b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1217,22 +1217,6 @@  static void imx_pcie_host_exit(struct dw_pcie_rp *pp)
 		regulator_disable(imx_pcie->vpcie);
 }
 
-static u64 imx_pcie_cpu_addr_fixup(struct dw_pcie *pcie, u64 cpu_addr)
-{
-	struct imx_pcie *imx_pcie = to_imx_pcie(pcie);
-	struct dw_pcie_rp *pp = &pcie->pp;
-	struct resource_entry *entry;
-
-	if (!(imx_pcie->drvdata->flags & IMX_PCIE_FLAG_CPU_ADDR_FIXUP))
-		return cpu_addr;
-
-	entry = resource_list_first_type(&pp->bridge->windows, IORESOURCE_MEM);
-	if (!entry)
-		return cpu_addr;
-
-	return cpu_addr - entry->offset;
-}
-
 /*
  * In old DWC implementations, PCIE_ATU_INHIBIT_PAYLOAD in iATU Ctrl2
  * register is reserved, so the generic DWC implementation of sending the
@@ -1263,7 +1247,6 @@  static const struct dw_pcie_host_ops imx_pcie_host_dw_pme_ops = {
 static const struct dw_pcie_ops dw_pcie_ops = {
 	.start_link = imx_pcie_start_link,
 	.stop_link = imx_pcie_stop_link,
-	.cpu_addr_fixup = imx_pcie_cpu_addr_fixup,
 };
 
 static void imx_pcie_ep_init(struct dw_pcie_ep *ep)
@@ -1645,6 +1628,7 @@  static int imx_pcie_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
+	pci->use_parent_dt_ranges = true;
 	if (imx_pcie->drvdata->mode == DW_PCIE_EP_TYPE) {
 		ret = imx_add_pcie_ep(imx_pcie, pdev);
 		if (ret < 0)