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>

1 files changed, 2 insertions, 6 deletions

diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 7ea37c075d7e..42b21eec15f0 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -291,19 +291,15 @@ static int pcie_device_init(struct pci_dev *pdev, int service, int irq)
 int pcie_port_device_register(struct pci_dev *dev)
 {
         struct pcie_port_data *port_data;
-        int status, capabilities, irq_mode, i, nr_serv, pos;
+        int status, capabilities, irq_mode, i, nr_serv;
         int vectors[PCIE_PORT_DEVICE_MAXSERVICES];
-        u16 reg16;
 
         port_data = kzalloc(sizeof(*port_data), GFP_KERNEL);
         if (!port_data)
                 return -ENOMEM;
         pci_set_drvdata(dev, port_data);
 
-        /* Get port type */
-        pos = pci_pcie_cap(dev);
-        pci_read_config_word(dev, pos + PCIE_CAPABILITIES_REG, &reg16);
-        port_data->port_type = (reg16 >> 4) & PORT_TYPE_MASK;
+        port_data->port_type = dev->pcie_type;
 
         capabilities = get_port_device_capability(dev);
         /* Root ports are capable of generating PME too */