[PATCH] PCI Hotplug: get pciehp to work on the downstream port of a switch

Here is the updated patch to get pciehp driver to work for downstream
port of a switch and handle the difference in the offset value of PCI
Express capability list item of different ports.

Signed-off-by: Dely Sy <dely.l.sy@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/pci/pcie/portdrv_bus.c b/drivers/pci/pcie/portdrv_bus.c
index 4037a3e..3e84b50 100644
--- a/drivers/pci/pcie/portdrv_bus.c
+++ b/drivers/pci/pcie/portdrv_bus.c
@@ -39,7 +39,8 @@
 		driver->id_table->vendor != pciedev->id.vendor) ||
 	       (driver->id_table->device != PCI_ANY_ID &&
 		driver->id_table->device != pciedev->id.device) ||	
-		driver->id_table->port_type != pciedev->id.port_type ||
+	       (driver->id_table->port_type != PCIE_ANY_PORT &&
+		driver->id_table->port_type != pciedev->id.port_type) ||
 		driver->id_table->service_type != pciedev->id.service_type )
 		return 0;