pcie port driver: correctly detect native PME feature

Native PME is capability of root port or root complex event collector.
It's not determined by PCI PME capability.

Signed-off-by: Shaohua Li <shaohua.li@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index b20a9b8..23d9eb0 100644 (file)
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -192,9 +192,8 @@ static int get_port_device_capability(struct pci_dev *dev)
                if (reg32 & SLOT_HP_CAPABLE_MASK)
                        services |= PCIE_PORT_SERVICE_HP;
        } 
-       /* PME Capable */
-       pos = pci_find_capability(dev, PCI_CAP_ID_PME);
-       if (pos) 
+       /* PME Capable - root port capability */
+       if (((reg16 >> 4) & PORT_TYPE_MASK) == PCIE_RC_PORT)
                services |= PCIE_PORT_SERVICE_PME;
        
        pos = PCI_CFG_SPACE_SIZE;