MLXSW_REG_MCDA_MAX_DATA_LEN
*p_max_write_size = min_t(u16, *p_max_write_size, MLXSW_REG_MCDA_MAX_DATA_LEN);
MLXSW_REG_MCDA_MAX_DATA_LEN);
(MLXSW_REG_MCDA_BASE_LEN + MLXSW_REG_MCDA_MAX_DATA_LEN)