1 files changed, 13 insertions, 25 deletions

diff --git a/arch/sparc/kernel/sun4m_smp.c b/arch/sparc/kernel/sun4m_smp.c
index 02db9a0412ce..29f8ace10b59 100644
--- a/arch/sparc/kernel/sun4m_smp.c
+++ b/arch/sparc/kernel/sun4m_smp.c
@@ -4,6 +4,7 @@
  * Copyright (C) 1996 David S. Miller (davem@caip.rutgers.edu)
  */
 
+#include <linux/clockchips.h>
 #include <linux/interrupt.h>
 #include <linux/profile.h>
 #include <linux/delay.h>
@@ -12,6 +13,7 @@
 #include <asm/cacheflush.h>
 #include <asm/switch_to.h>
 #include <asm/tlbflush.h>
+#include <asm/timer.h>
 
 #include "irq.h"
 #include "kernel.h"
@@ -31,7 +33,6 @@ swap_ulong(volatile unsigned long *ptr, unsigned long val)
 }
 
 static void smp4m_ipi_init(void);
-static void smp_setup_percpu_timer(void);
 
 void __cpuinit smp4m_callin(void)
 {
@@ -42,8 +43,7 @@ void __cpuinit smp4m_callin(void)
 
 	notify_cpu_starting(cpuid);
 
-	/* Get our local ticker going. */
-	smp_setup_percpu_timer();
+	register_percpu_ce(cpuid);
 
 	calibrate_delay();
 	smp_store_cpu_info(cpuid);
@@ -87,7 +87,7 @@ void __cpuinit smp4m_callin(void)
 void __init smp4m_boot_cpus(void)
 {
 	smp4m_ipi_init();
-	smp_setup_percpu_timer();
+	sun4m_unmask_profile_irq();
 	local_flush_cache_all();
 }
 
@@ -260,37 +260,25 @@ void smp4m_cross_call_irq(void)
 void smp4m_percpu_timer_interrupt(struct pt_regs *regs)
 {
 	struct pt_regs *old_regs;
+	struct clock_event_device *ce;
 	int cpu = smp_processor_id();
 
 	old_regs = set_irq_regs(regs);
 
-	sun4m_clear_profile_irq(cpu);
+	ce = &per_cpu(sparc32_clockevent, cpu);
 
-	profile_tick(CPU_PROFILING);
+	if (ce->mode & CLOCK_EVT_MODE_PERIODIC)
+		sun4m_clear_profile_irq(cpu);
+	else
+		load_profile_irq(cpu, 0); /* Is this needless? */
 
-	if (!--prof_counter(cpu)) {
-		int user = user_mode(regs);
+	irq_enter();
+	ce->event_handler(ce);
+	irq_exit();
 
-		irq_enter();
-		update_process_times(user);
-		irq_exit();
-
-		prof_counter(cpu) = prof_multiplier(cpu);
-	}
 	set_irq_regs(old_regs);
 }
 
-static void __cpuinit smp_setup_percpu_timer(void)
-{
-	int cpu = smp_processor_id();
-
-	prof_counter(cpu) = prof_multiplier(cpu) = 1;
-	load_profile_irq(cpu, lvl14_resolution);
-
-	if (cpu == boot_cpu_id)
-		sun4m_unmask_profile_irq();
-}
-
 static void __init smp4m_blackbox_id(unsigned *addr)
 {
 	int rd = *addr & 0x3e000000;