PCI/portdrv: Use PCI Express Capability accessors
Use PCI Express Capability access functions to simplify portdrv.
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Signed-off-by: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c
index 24d1463..2360330 100644
--- a/drivers/pci/pcie/portdrv_pci.c
+++ b/drivers/pci/pcie/portdrv_pci.c
@@ -64,14 +64,7 @@
*/
void pcie_clear_root_pme_status(struct pci_dev *dev)
{
- int rtsta_pos;
- u32 rtsta;
-
- rtsta_pos = pci_pcie_cap(dev) + PCI_EXP_RTSTA;
-
- pci_read_config_dword(dev, rtsta_pos, &rtsta);
- rtsta |= PCI_EXP_RTSTA_PME;
- pci_write_config_dword(dev, rtsta_pos, rtsta);
+ pcie_capability_set_dword(dev, PCI_EXP_RTSTA, PCI_EXP_RTSTA_PME);
}
static int pcie_portdrv_restore_config(struct pci_dev *dev)