m68knommu: fix profile timer
Matt Waddel [Fri, 15 Feb 2008 03:31:27 +0000 (19:31 -0800)]
I was looking at timers in the Coldfire system and I noticed that the
CONFIG_HIGHPROFILE option seems to be a little out of date.

Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/m68knommu/platform/coldfire/timers.c

index a60213e..ba5a9f3 100644 (file)
@@ -148,25 +148,32 @@ irqreturn_t coldfire_profile_tick(int irq, void *dummy)
        /* 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);
 }