OCTEON_IRQ_RML
r = octeon_irq_force_ciu_mapping(ciu_domain, OCTEON_IRQ_RML, 0, 46);
r = request_irq(OCTEON_IRQ_RML, cvm_oct_spi_rml_interrupt,
free_irq(OCTEON_IRQ_RML, &number_spi_ports);