drm/amdkfd: Remove field io_link_count from struct kfd_topology_device

The field is redundant and does not serve any functional role
Signed-off-by: Ramesh Errabolu <Ramesh.Errabolu@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdkfd/kfd_crat.c

@@ -1040,7 +1040,6 @@ static int kfd_parse_subtype_iolink(struct crat_subtype_iolink *iolink,
 			props->rec_transfer_size =
 					iolink->recommended_transfer_size;
 
-			dev->io_link_count++;
 			dev->node_props.io_links_count++;
 			list_add_tail(&props->list, &dev->io_link_props);
 			break;
@@ -1067,7 +1066,6 @@ static int kfd_parse_subtype_iolink(struct crat_subtype_iolink *iolink,
 		props2->node_from = id_to;
 		props2->node_to = id_from;
 		props2->kobj = NULL;
-		to_dev->io_link_count++;
 		to_dev->node_props.io_links_count++;
 		list_add_tail(&props2->list, &to_dev->io_link_props);
 	}

drivers/gpu/drm/amd/amdkfd/kfd_topology.c

@@ -1819,7 +1819,6 @@ static void kfd_topology_update_io_links(int proximity_domain)
 			 */
 			if (iolink->node_to == proximity_domain) {
 				list_del(&iolink->list);
-				dev->io_link_count--;
 				dev->node_props.io_links_count--;
 			} else {
 				if (iolink->node_from > proximity_domain)

drivers/gpu/drm/amd/amdkfd/kfd_topology.h

@@ -130,7 +130,6 @@ struct kfd_topology_device {
 	struct list_head		mem_props;
 	uint32_t			cache_count;
 	struct list_head		cache_props;
-	uint32_t			io_link_count;
 	struct list_head		io_link_props;
 	struct list_head		p2p_link_props;
 	struct list_head		perf_props;