MCF_IRQ_TIMER
r = request_irq(MCF_IRQ_TIMER, mcfslt_tick, IRQF_TIMER, "timer", NULL);
pr_err("Failed to request irq %d (timer): %pe\n", MCF_IRQ_TIMER,
r = request_irq(MCF_IRQ_TIMER, mcftmr_tick, IRQF_TIMER, "timer", NULL);
pr_err("Failed to request irq %d (timer): %pe\n", MCF_IRQ_TIMER,
mcf_mapirq2imr(MCF_IRQ_TIMER, MCFINTC_TIMER1);