leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

PCI: portdrv: remove redundant pcie type calculation

Browse Source 
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>
This commit is contained in:
Kenji Kaneshige 2009-11-25 21:02:13 +09:00 committed by Jesse Barnes
parent 52a0f24bea
commit 2dd60e96b4
1 changed files with 2 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/pci/pcie/portdrv_core.c
View File

@ -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 */