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PCI: mvebu: Use struct pci_host_bridge.windows list directly

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There's no need to create a temporary resource list and then splice it to
struct pci_host_bridge.windows list. Just use pci_host_bridge.windows
directly. The necessary clean-up is already handled by the PCI core.

Link: https://lore.kernel.org/r/20200522234832.954484-3-robh@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Cc: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Rob Herring 2020-05-22 17:48:19 -06:00 • committed by Lorenzo Pieralisi
parent 24344226f6
commit c322fa0b3f
1 changed files with 5 additions and 8 deletions
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13
drivers/pci/controller/pci-mvebu.c
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@ -71,7 +71,6 @@ struct mvebu_pcie {
struct platform_device *pdev;
struct mvebu_pcie_port *ports;
struct msi_controller *msi;
struct list_head resources;
struct resource io;
struct resource realio;
struct resource mem;
@ -961,17 +960,16 @@ static int mvebu_pcie_parse_request_resources(struct mvebu_pcie *pcie)
{
struct device *dev = &pcie->pdev->dev;
struct device_node *np = dev->of_node;
struct pci_host_bridge *bridge = pci_host_bridge_from_priv(pcie);
int ret;
INIT_LIST_HEAD(&pcie->resources);
/* Get the bus range */
ret = of_pci_parse_bus_range(np, &pcie->busn);
if (ret) {
dev_err(dev, "failed to parse bus-range property: %d\n", ret);
return ret;
}
pci_add_resource(&pcie->resources, &pcie->busn);
pci_add_resource(&bridge->windows, &pcie->busn);
/* Get the PCIe memory aperture */
mvebu_mbus_get_pcie_mem_aperture(&pcie->mem);
@ -981,7 +979,7 @@ static int mvebu_pcie_parse_request_resources(struct mvebu_pcie *pcie)
}
pcie->mem.name = "PCI MEM";
pci_add_resource(&pcie->resources, &pcie->mem);
pci_add_resource(&bridge->windows, &pcie->mem);
/* Get the PCIe IO aperture */
mvebu_mbus_get_pcie_io_aperture(&pcie->io);
@ -994,10 +992,10 @@ static int mvebu_pcie_parse_request_resources(struct mvebu_pcie *pcie)
resource_size(&pcie->io) - 1);
pcie->realio.name = "PCI I/O";
pci_add_resource(&pcie->resources, &pcie->realio);
pci_add_resource(&bridge->windows, &pcie->realio);
}
return devm_request_pci_bus_resources(dev, &pcie->resources);
return devm_request_pci_bus_resources(dev, &bridge->windows);
}
/*
@ -1118,7 +1116,6 @@ static int mvebu_pcie_probe(struct platform_device *pdev)
pcie->nports = i;
list_splice_init(&pcie->resources, &bridge->windows);
bridge->dev.parent = dev;
bridge->sysdata = pcie;
bridge->busnr = 0;