RDMA/ocrdma: Use PCI-ID as an identification in debugfs

In opposite to current implementation of identification based on device
name, PCI-ID identification provides stable names suitable for device
rename. Change ocrdma debugfs representation to use PCI-ID.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Reviewed-by: Yuval Shaia <yuval.shaia@oracle.com>
Acked-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>

drivers/infiniband/hw/ocrdma/ocrdma_stats.c

@@ -760,12 +760,13 @@ static const struct file_operations ocrdma_dbg_ops = {
 
 void ocrdma_add_port_stats(struct ocrdma_dev *dev)
 {
+	const struct pci_dev *pdev = dev->nic_info.pdev;
+
 	if (!ocrdma_dbgfs_dir)
 		return;
 
 	/* Create post stats base dir */
-	dev->dir =
-		debugfs_create_dir(dev_name(&dev->ibdev.dev), ocrdma_dbgfs_dir);
+	dev->dir = debugfs_create_dir(pci_name(pdev), ocrdma_dbgfs_dir);
 	if (!dev->dir)
 		goto err;