vDPA/ifcvf: get_vendor_id returns a device specific vendor id

In this commit, ifcvf_get_vendor_id() will return
a device specific vendor id of the probed pci device
than a hard code.

Signed-off-by: Zhu Lingshan <lingshan.zhu@intel.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20210317094933.16417-2-lingshan.zhu@intel.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

diff --git a/drivers/vdpa/ifcvf/ifcvf_main.c b/drivers/vdpa/ifcvf/ifcvf_main.c
index d555a6a..f5633ab 100644 (file)
--- a/drivers/vdpa/ifcvf/ifcvf_main.c
+++ b/drivers/vdpa/ifcvf/ifcvf_main.c
@@ -324,7 +324,10 @@ static u32 ifcvf_vdpa_get_device_id(struct vdpa_device *vdpa_dev)
 
 static u32 ifcvf_vdpa_get_vendor_id(struct vdpa_device *vdpa_dev)
 {
-       return IFCVF_SUBSYS_VENDOR_ID;
+       struct ifcvf_adapter *adapter = vdpa_to_adapter(vdpa_dev);
+       struct pci_dev *pdev = adapter->pdev;
+
+       return pdev->subsystem_vendor;
 }
 
 static u32 ifcvf_vdpa_get_vq_align(struct vdpa_device *vdpa_dev)