add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/pci/controller/pcie-iproc-platform.c
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@@ -43,8 +43,6 @@
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 	struct iproc_pcie *pcie;
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 	struct device_node *np = dev->of_node;
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 	struct resource reg;
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-	resource_size_t iobase = 0;
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-	LIST_HEAD(resources);
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 	struct pci_host_bridge *bridge;
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 	int ret;
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@@ -87,39 +85,29 @@
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 	/*
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 	 * DT nodes are not used by all platforms that use the iProc PCIe
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-	 * core driver. For platforms that require explict inbound mapping
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+	 * core driver. For platforms that require explicit inbound mapping
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 	 * configuration, "dma-ranges" would have been present in DT
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 	 */
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 	pcie->need_ib_cfg = of_property_read_bool(np, "dma-ranges");
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 	/* PHY use is optional */
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-	pcie->phy = devm_phy_get(dev, "pcie-phy");
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-	if (IS_ERR(pcie->phy)) {
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-		if (PTR_ERR(pcie->phy) == -EPROBE_DEFER)
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-			return -EPROBE_DEFER;
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-		pcie->phy = NULL;
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-	}
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-
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-	ret = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff, &resources,
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-						    &iobase);
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-	if (ret) {
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-		dev_err(dev, "unable to get PCI host bridge resources\n");
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-		return ret;
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-	}
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+	pcie->phy = devm_phy_optional_get(dev, "pcie-phy");
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+	if (IS_ERR(pcie->phy))
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+		return PTR_ERR(pcie->phy);
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 	/* PAXC doesn't support legacy IRQs, skip mapping */
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 	switch (pcie->type) {
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 	case IPROC_PCIE_PAXC:
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 	case IPROC_PCIE_PAXC_V2:
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+		pcie->map_irq = NULL;
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 		break;
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 	default:
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-		pcie->map_irq = of_irq_parse_and_map_pci;
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+		break;
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 	}
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-	ret = iproc_pcie_setup(pcie, &resources);
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+	ret = iproc_pcie_setup(pcie, &bridge->windows);
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 	if (ret) {
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 		dev_err(dev, "PCIe controller setup failed\n");
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-		pci_free_resource_list(&resources);
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 		return ret;
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 	}
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