h8300: update timer handler - misc update

- Update selection
- Update common timer handler
- Add support functions

Signed-off-by: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 12 insertions, 17 deletions

diff --git a/arch/h8300/kernel/time.c b/arch/h8300/kernel/time.c
index e37c835e67cf..7f2d6cfbb4b6 100644
--- a/arch/h8300/kernel/time.c
+++ b/arch/h8300/kernel/time.c
@@ -27,27 +27,21 @@
 #include <linux/profile.h>
 
 #include <asm/io.h>
-#include <asm/target_time.h>
+#include <asm/timer.h>
 
 #define TICK_SIZE (tick_nsec / 1000)
 
-/*
- * timer_interrupt() needs to keep up the real-time clock,
- * as well as call the "do_timer()" routine every clocktick
- */
-static void timer_interrupt(int irq, void *dummy, struct pt_regs * regs)
+void h8300_timer_tick(void)
 {
-        /* may need to kick the hardware timer */
-        platform_timer_eoi();
-
+        if (current->pid)
+                profile_tick(CPU_PROFILING);
+        write_seqlock(&xtime_lock);
         do_timer(1);
-#ifndef CONFIG_SMP
-        update_process_times(user_mode(regs));
-#endif
-        profile_tick(CPU_PROFILING);
+        write_sequnlock(&xtime_lock);
+        update_process_times(user_mode(get_irq_regs()));
 }
 
-void time_init(void)
+void __init time_init(void)
 {
         unsigned int year, mon, day, hour, min, sec;
 
@@ -57,12 +51,13 @@ void time_init(void)
         year = 1980;
         mon = day = 1;
         hour = min = sec = 0;
-        platform_gettod (&year, &mon, &day, &hour, &min, &sec);
-
+#ifdef CONFIG_H8300_GETTOD
+        h8300_gettod (&year, &mon, &day, &hour, &min, &sec);
+#endif
         if ((year += 1900) < 1970)
                 year += 100;
         xtime.tv_sec = mktime(year, mon, day, hour, min, sec);
         xtime.tv_nsec = 0;
 
-        platform_timer_setup(timer_interrupt);
+        h8300_timer_setup();
 }