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authorBjorn Helgaas2019-11-28 08:54:53 -0600
committerBjorn Helgaas2019-11-28 08:54:53 -0600
commit7bd4c4a7b0ff94ef01247f905cd568fb67c747e0 (patch)
treefa0826759cb79a704787fa28053370b390c9b891 /drivers/pci/controller/pci-aardvark.c
parentd8ddab63635d4b474a99424538001932884b55ae (diff)
parent3b55809cf91f54fa5add4cc4cfed934565568ed7 (diff)
Merge branch 'remotes/lorenzo/pci/mmio-dma-ranges'
- Consolidate DT "dma-ranges" parsing and convert all host drivers to use shared parsing (Rob Herring) * remotes/lorenzo/pci/mmio-dma-ranges: PCI: Make devm_of_pci_get_host_bridge_resources() static PCI: rcar: Use inbound resources for setup PCI: iproc: Use inbound resources for setup PCI: xgene: Use inbound resources for setup PCI: v3-semi: Use inbound resources for setup PCI: ftpci100: Use inbound resources for setup PCI: of: Add inbound resource parsing to helpers PCI: versatile: Enable COMPILE_TEST PCI: versatile: Remove usage of PHYS_OFFSET PCI: versatile: Use pci_parse_request_of_pci_ranges() PCI: xilinx-nwl: Use pci_parse_request_of_pci_ranges() PCI: xilinx: Use pci_parse_request_of_pci_ranges() PCI: xgene: Use pci_parse_request_of_pci_ranges() PCI: v3-semi: Use pci_parse_request_of_pci_ranges() PCI: rockchip: Drop storing driver private outbound resource data PCI: rockchip: Use pci_parse_request_of_pci_ranges() PCI: mobiveil: Use pci_parse_request_of_pci_ranges() PCI: mediatek: Use pci_parse_request_of_pci_ranges() PCI: iproc: Use pci_parse_request_of_pci_ranges() PCI: faraday: Use pci_parse_request_of_pci_ranges() PCI: dwc: Use pci_parse_request_of_pci_ranges() PCI: altera: Use pci_parse_request_of_pci_ranges() PCI: aardvark: Use pci_parse_request_of_pci_ranges() PCI: Export pci_parse_request_of_pci_ranges() resource: Add a resource_list_first_type helper # Conflicts: # drivers/pci/controller/pcie-rcar.c
Diffstat (limited to 'drivers/pci/controller/pci-aardvark.c')
-rw-r--r--drivers/pci/controller/pci-aardvark.c60
1 files changed, 4 insertions, 56 deletions
diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c
index a938af4f0a7c..2a20b649f40c 100644
--- a/drivers/pci/controller/pci-aardvark.c
+++ b/drivers/pci/controller/pci-aardvark.c
@@ -190,7 +190,6 @@
struct advk_pcie {
struct platform_device *pdev;
void __iomem *base;
- struct list_head resources;
struct irq_domain *irq_domain;
struct irq_chip irq_chip;
struct irq_domain *msi_domain;
@@ -953,63 +952,11 @@ static irqreturn_t advk_pcie_irq_handler(int irq, void *arg)
return IRQ_HANDLED;
}
-static int advk_pcie_parse_request_of_pci_ranges(struct advk_pcie *pcie)
-{
- int err, res_valid = 0;
- struct device *dev = &pcie->pdev->dev;
- struct resource_entry *win, *tmp;
- resource_size_t iobase;
-
- INIT_LIST_HEAD(&pcie->resources);
-
- err = devm_of_pci_get_host_bridge_resources(dev, 0, 0xff,
- &pcie->resources, &iobase);
- if (err)
- return err;
-
- err = devm_request_pci_bus_resources(dev, &pcie->resources);
- if (err)
- goto out_release_res;
-
- resource_list_for_each_entry_safe(win, tmp, &pcie->resources) {
- struct resource *res = win->res;
-
- switch (resource_type(res)) {
- case IORESOURCE_IO:
- err = devm_pci_remap_iospace(dev, res, iobase);
- if (err) {
- dev_warn(dev, "error %d: failed to map resource %pR\n",
- err, res);
- resource_list_destroy_entry(win);
- }
- break;
- case IORESOURCE_MEM:
- res_valid |= !(res->flags & IORESOURCE_PREFETCH);
- break;
- case IORESOURCE_BUS:
- pcie->root_bus_nr = res->start;
- break;
- }
- }
-
- if (!res_valid) {
- dev_err(dev, "non-prefetchable memory resource required\n");
- err = -EINVAL;
- goto out_release_res;
- }
-
- return 0;
-
-out_release_res:
- pci_free_resource_list(&pcie->resources);
- return err;
-}
-
static int advk_pcie_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct advk_pcie *pcie;
- struct resource *res;
+ struct resource *res, *bus;
struct pci_host_bridge *bridge;
int ret, irq;
@@ -1034,11 +981,13 @@ static int advk_pcie_probe(struct platform_device *pdev)
return ret;
}
- ret = advk_pcie_parse_request_of_pci_ranges(pcie);
+ ret = pci_parse_request_of_pci_ranges(dev, &bridge->windows,
+ &bridge->dma_ranges, &bus);
if (ret) {
dev_err(dev, "Failed to parse resources\n");
return ret;
}
+ pcie->root_bus_nr = bus->start;
advk_pcie_setup_hw(pcie);
@@ -1057,7 +1006,6 @@ static int advk_pcie_probe(struct platform_device *pdev)
return ret;
}
- list_splice_init(&pcie->resources, &bridge->windows);
bridge->dev.parent = dev;
bridge->sysdata = pcie;
bridge->busnr = 0;