IB/cxgb4: Set dev.parent instead of dma_device

Prepare for removal of ib_device.dma_device.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Hariprasad S <hariprasad@chelsio.com>
Acked-by: Steve Wise <swise@chelsio.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>

drivers/infiniband/hw/cxgb4/provider.c

@@ -569,7 +569,7 @@ int c4iw_register_device(struct c4iw_dev *dev)
 	memcpy(dev->ibdev.node_desc, C4IW_NODE_DESC, sizeof(C4IW_NODE_DESC));
 	dev->ibdev.phys_port_cnt = dev->rdev.lldi.nports;
 	dev->ibdev.num_comp_vectors =  dev->rdev.lldi.nciq;
-	dev->ibdev.dma_device = &(dev->rdev.lldi.pdev->dev);
+	dev->ibdev.dev.parent = &dev->rdev.lldi.pdev->dev;
 	dev->ibdev.query_device = c4iw_query_device;
 	dev->ibdev.query_port = c4iw_query_port;
 	dev->ibdev.query_pkey = c4iw_query_pkey;