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>
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 7ea37c0..42b21ee 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -291,19 +291,15 @@
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, ®16);
- 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 */