/* Reset ColdFire timer2 */
        __raw_writeb(MCFTIMER_TER_CAP | MCFTIMER_TER_REF, PA(MCFTIMER_TER));
        if (current->pid)
-               profile_tick(CPU_PROFILING, regs);
+               profile_tick(CPU_PROFILING);
        return IRQ_HANDLED;
 }
 
 /***************************************************************************/
 
+static struct irqaction coldfire_profile_irq = {
+       .name    = "profile timer",
+       .flags   = IRQF_DISABLED | IRQF_TIMER,
+       .handler = coldfire_profile_tick,
+};
+
 void coldfire_profile_init(void)
 {
-       printk(KERN_INFO "PROFILE: lodging TIMER2 @ %dHz as profile timer\n", PROFILEHZ);
+       printk(KERN_INFO "PROFILE: lodging TIMER2 @ %dHz as profile timer\n",
+              PROFILEHZ);
+
+       setup_irq(mcf_profilevector, &coldfire_profile_irq);
 
        /* Set up TIMER 2 as high speed profile clock */
        __raw_writew(MCFTIMER_TMR_DISABLE, PA(MCFTIMER_TMR));
 
-       __raw_writetrr(((MCF_CLK / 16) / PROFILEHZ), PA(MCFTIMER_TRR));
+       __raw_writetrr(((MCF_BUSCLK / 16) / PROFILEHZ), PA(MCFTIMER_TRR));
        __raw_writew(MCFTIMER_TMR_ENORI | MCFTIMER_TMR_CLK16 |
                MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENABLE, PA(MCFTIMER_TMR));
 
-       request_irq(mcf_profilevector, coldfire_profile_tick,
-               (IRQF_DISABLED | IRQ_FLG_FAST), "profile timer", NULL);
        mcf_settimericr(2, 7);
 }