441 static int build_info_commit_dev(struct build_feature_devs_info *binfo)  in build_info_commit_dev()  argument
443 	struct platform_device *fdev = binfo->feature_dev;  in build_info_commit_dev()
457 	pdata = kzalloc(dfl_feature_platform_data_size(binfo->feature_num),  in build_info_commit_dev()
463 	pdata->num = binfo->feature_num;  in build_info_commit_dev()
464 	pdata->dfl_cdev = binfo->cdev;  in build_info_commit_dev()
478 	fdev->num_resources = binfo->feature_num;  in build_info_commit_dev()
479 	fdev->resource = kcalloc(binfo->feature_num, sizeof(*fdev->resource),  in build_info_commit_dev()
485 	list_for_each_entry_safe(finfo, p, &binfo->sub_features, node) {  in build_info_commit_dev()
498 	ret = platform_device_add(binfo->feature_dev);  in build_info_commit_dev()
500 		if (feature_dev_id_type(binfo->feature_dev) == PORT_ID)  in build_info_commit_dev()
501 			dfl_fpga_cdev_add_port_dev(binfo->cdev,  in build_info_commit_dev()
502 						   binfo->feature_dev);  in build_info_commit_dev()
504 			binfo->cdev->fme_dev =  in build_info_commit_dev()
505 					get_device(&binfo->feature_dev->dev);  in build_info_commit_dev()
513 		binfo->feature_dev = NULL;  in build_info_commit_dev()
520 build_info_create_dev(struct build_feature_devs_info *binfo,  in build_info_create_dev()  argument
530 	ret = build_info_commit_dev(binfo);  in build_info_create_dev()
542 	binfo->feature_dev = fdev;  in build_info_create_dev()
543 	binfo->feature_num = 0;  in build_info_create_dev()
544 	binfo->ioaddr = ioaddr;  in build_info_create_dev()
545 	INIT_LIST_HEAD(&binfo->sub_features);  in build_info_create_dev()
551 	fdev->dev.parent = &binfo->cdev->region->dev;  in build_info_create_dev()
557 static void build_info_free(struct build_feature_devs_info *binfo)  in build_info_free()  argument
565 	if (binfo->feature_dev && binfo->feature_dev->id >= 0) {  in build_info_free()
566 		dfl_id_free(feature_dev_id_type(binfo->feature_dev),  in build_info_free()
567 			    binfo->feature_dev->id);  in build_info_free()
569 		list_for_each_entry_safe(finfo, p, &binfo->sub_features, node) {  in build_info_free()
575 	platform_device_put(binfo->feature_dev);  in build_info_free()
577 	devm_kfree(binfo->dev, binfo);  in build_info_free()
613 create_feature_instance(struct build_feature_devs_info *binfo,  in create_feature_instance()  argument
636 	list_add_tail(&finfo->node, &binfo->sub_features);  in create_feature_instance()
637 	binfo->feature_num++;  in create_feature_instance()
642 static int parse_feature_port_afu(struct build_feature_devs_info *binfo,  in parse_feature_port_afu()  argument
646 	u64 v = readq(binfo->ioaddr + PORT_HDR_CAP);  in parse_feature_port_afu()
651 	return create_feature_instance(binfo, dfl, ofst, size, FEATURE_ID_AFU);  in parse_feature_port_afu()
654 static int parse_feature_afu(struct build_feature_devs_info *binfo,  in parse_feature_afu()  argument
658 	if (!binfo->feature_dev) {  in parse_feature_afu()
659 		dev_err(binfo->dev, "this AFU does not belong to any FIU.\n");  in parse_feature_afu()
663 	switch (feature_dev_id_type(binfo->feature_dev)) {  in parse_feature_afu()
665 		return parse_feature_port_afu(binfo, dfl, ofst);  in parse_feature_afu()
667 		dev_info(binfo->dev, "AFU belonging to FIU %s is not supported yet.\n",  in parse_feature_afu()
668 			 binfo->feature_dev->name);  in parse_feature_afu()
674 static int parse_feature_fiu(struct build_feature_devs_info *binfo,  in parse_feature_fiu()  argument
686 	ret = build_info_create_dev(binfo, dfh_id_to_type(id),  in parse_feature_fiu()
691 	ret = create_feature_instance(binfo, dfl, ofst, 0, 0);  in parse_feature_fiu()
702 		return parse_feature_afu(binfo, dfl, ofst + offset);  in parse_feature_fiu()
704 	dev_dbg(binfo->dev, "No AFUs detected on FIU %d\n", id);  in parse_feature_fiu()
709 static int parse_feature_private(struct build_feature_devs_info *binfo,  in parse_feature_private()  argument
713 	if (!binfo->feature_dev) {  in parse_feature_private()
714 		dev_err(binfo->dev, "the private feature %llx does not belong to any AFU.\n",  in parse_feature_private()
719 	return create_feature_instance(binfo, dfl, ofst, 0, 0);  in parse_feature_private()
729 static int parse_feature(struct build_feature_devs_info *binfo,  in parse_feature()  argument
740 		return parse_feature_afu(binfo, dfl, ofst);  in parse_feature()
742 		return parse_feature_private(binfo, dfl, ofst);  in parse_feature()
744 		return parse_feature_fiu(binfo, dfl, ofst);  in parse_feature()
746 		dev_info(binfo->dev,  in parse_feature()
753 static int parse_feature_list(struct build_feature_devs_info *binfo,  in parse_feature_list()  argument
765 			dev_err(binfo->dev, "The region is too small to contain a feature.\n");  in parse_feature_list()
769 		ret = parse_feature(binfo, dfl, start - dfl->ioaddr);  in parse_feature_list()
782 	return build_info_commit_dev(binfo);  in parse_feature_list()
890 	struct build_feature_devs_info *binfo;  in dfl_fpga_feature_devs_enumerate()  local
917 	binfo = devm_kzalloc(info->dev, sizeof(*binfo), GFP_KERNEL);  in dfl_fpga_feature_devs_enumerate()
918 	if (!binfo) {  in dfl_fpga_feature_devs_enumerate()
923 	binfo->dev = info->dev;  in dfl_fpga_feature_devs_enumerate()
924 	binfo->cdev = cdev;  in dfl_fpga_feature_devs_enumerate()
931 		ret = parse_feature_list(binfo, dfl);  in dfl_fpga_feature_devs_enumerate()
934 			build_info_free(binfo);  in dfl_fpga_feature_devs_enumerate()
939 	build_info_free(binfo);  in dfl_fpga_feature_devs_enumerate()