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PCI: imx6: Remove imx_pcie_cpu_addr_fixup()

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Remove imx_pcie_cpu_addr_fixup, the .cpu_addr_fixup() method, because the
dwc core driver already handles address translation based on the devicetree
description.

Link: https://lore.kernel.org/r/20250315201548.858189-14-helgaas@kernel.org
Signed-off-by: Frank Li <Frank.Li@nxp.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Acked-by: Richard Zhu <hongxing.zhu@nxp.com>
This commit is contained in:
Frank Li 2025-03-15 15:15:48 -05:00 committed by Bjorn Helgaas
parent befc86a0b3
commit b9812179f6
1 changed files with 1 additions and 17 deletions
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18
drivers/pci/controller/dwc/pci-imx6.c
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@ -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)