m68knommu: fix profile timer

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CONFIG_HIGHPROFILE option seems to be a little out of date.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>

1 files changed, 12 insertions, 5 deletions

diff --git a/arch/m68knommu/platform/coldfire/timers.c b/arch/m68knommu/platform/coldfire/timers.c
index a60213e877ef..ba5a9f32ebd4 100644
--- a/arch/m68knommu/platform/coldfire/timers.c
+++ b/arch/m68knommu/platform/coldfire/timers.c
@@ -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);
 }