tb_switch_tmu_enhanced_is_supported
if (tb_switch_tmu_enhanced_is_supported(sw)) {
if (!parent_sw || !tb_switch_tmu_enhanced_is_supported(parent_sw))
if (!tb_switch_tmu_enhanced_is_supported(sw))
if (!tb_switch_tmu_enhanced_is_supported(port->sw))
if (!tb_switch_tmu_enhanced_is_supported(port->sw))
enhanced = tb_switch_tmu_enhanced_is_supported(sw);