657 	struct xsdfec_ldpc_params *ldpc;  in xsdfec_add_ldpc()  local
660 	ldpc = memdup_user(arg, sizeof(*ldpc));  in xsdfec_add_ldpc()
661 	if (IS_ERR(ldpc))  in xsdfec_add_ldpc()
662 		return PTR_ERR(ldpc);  in xsdfec_add_ldpc()
681 	ret = xsdfec_reg0_write(xsdfec, ldpc->n, ldpc->k, ldpc->psize,  in xsdfec_add_ldpc()
682 				ldpc->code_id);  in xsdfec_add_ldpc()
687 	ret = xsdfec_reg1_write(xsdfec, ldpc->psize, ldpc->no_packing, ldpc->nm,  in xsdfec_add_ldpc()
688 				ldpc->code_id);  in xsdfec_add_ldpc()
693 	ret = xsdfec_reg2_write(xsdfec, ldpc->nlayers, ldpc->nmqc,  in xsdfec_add_ldpc()
694 				ldpc->norm_type, ldpc->special_qc,  in xsdfec_add_ldpc()
695 				ldpc->no_final_parity, ldpc->max_schedule,  in xsdfec_add_ldpc()
696 				ldpc->code_id);  in xsdfec_add_ldpc()
701 	ret = xsdfec_reg3_write(xsdfec, ldpc->sc_off, ldpc->la_off,  in xsdfec_add_ldpc()
702 				ldpc->qc_off, ldpc->code_id);  in xsdfec_add_ldpc()
707 	n = ldpc->nlayers / 4;  in xsdfec_add_ldpc()
708 	if (ldpc->nlayers % 4)  in xsdfec_add_ldpc()
711 	ret = xsdfec_table_write(xsdfec, ldpc->sc_off, ldpc->sc_table, n,  in xsdfec_add_ldpc()
717 	ret = xsdfec_table_write(xsdfec, 4 * ldpc->la_off, ldpc->la_table,  in xsdfec_add_ldpc()
718 				 ldpc->nlayers, XSDFEC_LDPC_LA_TABLE_ADDR_BASE,  in xsdfec_add_ldpc()
723 	ret = xsdfec_table_write(xsdfec, 4 * ldpc->qc_off, ldpc->qc_table,  in xsdfec_add_ldpc()
724 				 ldpc->nqc, XSDFEC_LDPC_QC_TABLE_ADDR_BASE,  in xsdfec_add_ldpc()
727 	kfree(ldpc);  in xsdfec_add_ldpc()