PCI: portdrv: remove redundant pcie type calculation
PCIe port type is already stored in 'pcie_type' field of struct pci_dev. So we don't need to get it from pci configuration space. Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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1 changed files with 2 additions and 6 deletions
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@ -291,19 +291,15 @@ static int pcie_device_init(struct pci_dev *pdev, int service, int irq)
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int pcie_port_device_register(struct pci_dev *dev)
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{
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struct pcie_port_data *port_data;
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int status, capabilities, irq_mode, i, nr_serv, pos;
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int status, capabilities, irq_mode, i, nr_serv;
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int vectors[PCIE_PORT_DEVICE_MAXSERVICES];
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u16 reg16;
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port_data = kzalloc(sizeof(*port_data), GFP_KERNEL);
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if (!port_data)
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return -ENOMEM;
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pci_set_drvdata(dev, port_data);
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/* Get port type */
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pos = pci_pcie_cap(dev);
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pci_read_config_word(dev, pos + PCIE_CAPABILITIES_REG, ®16);
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port_data->port_type = (reg16 >> 4) & PORT_TYPE_MASK;
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port_data->port_type = dev->pcie_type;
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capabilities = get_port_device_capability(dev);
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/* Root ports are capable of generating PME too */
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