PCI: keystone: Move resources initialization to prepare for EP support
Move platform_get_resource() calls for resources that are applicable to both host and endpoint mode (ie "dbics" and "app") from ks_add_pcie_port() to the probe() callback, in preparation for adding endpoint support to pci-keystone driver. No functional change intended. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
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@ -806,11 +806,6 @@ static int __init ks_pcie_add_pcie_port(struct keystone_pcie *ks_pcie,
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struct resource *res;
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int ret;
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbics");
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pci->dbi_base = devm_pci_remap_cfg_resource(dev, res);
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if (IS_ERR(pci->dbi_base))
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return PTR_ERR(pci->dbi_base);
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "config");
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pp->va_cfg0_base = devm_pci_remap_cfg_resource(dev, res);
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if (IS_ERR(pp->va_cfg0_base))
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@ -818,13 +813,6 @@ static int __init ks_pcie_add_pcie_port(struct keystone_pcie *ks_pcie,
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pp->va_cfg1_base = pp->va_cfg0_base;
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "app");
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ks_pcie->va_app_base = devm_ioremap_resource(dev, res);
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if (IS_ERR(ks_pcie->va_app_base))
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return PTR_ERR(ks_pcie->va_app_base);
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ks_pcie->app = *res;
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pp->ops = &ks_pcie_host_ops;
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ret = dw_pcie_host_init(pp);
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if (ret) {
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@ -895,6 +883,8 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
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struct dw_pcie *pci;
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struct keystone_pcie *ks_pcie;
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struct device_link **link;
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struct resource *res;
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void __iomem *base;
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u32 num_viewport;
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struct phy **phy;
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u32 num_lanes;
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@ -911,6 +901,19 @@ static int __init ks_pcie_probe(struct platform_device *pdev)
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if (!pci)
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return -ENOMEM;
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "app");
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ks_pcie->va_app_base = devm_ioremap_resource(dev, res);
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if (IS_ERR(ks_pcie->va_app_base))
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return PTR_ERR(ks_pcie->va_app_base);
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ks_pcie->app = *res;
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbics");
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base = devm_pci_remap_cfg_resource(dev, res);
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if (IS_ERR(base))
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return PTR_ERR(base);
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pci->dbi_base = base;
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pci->dev = dev;
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pci->ops = &ks_pcie_dw_pcie_ops;
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