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>

2 files changed, 13 insertions, 18 deletions

diff --git a/arch/h8300/kernel/Makefile b/arch/h8300/kernel/Makefile
index 6c248c3c5c3..8d4d2a54be9 100644
--- a/arch/h8300/kernel/Makefile
+++ b/arch/h8300/kernel/Makefile
@@ -7,6 +7,6 @@ extra-y := vmlinux.lds
 obj-y := process.o traps.o ptrace.o irq.o \
 	 sys_h8300.o time.o signal.o \
          setup.o gpio.o init_task.o syscalls.o \
-	 entry.o
+	 entry.o timer/
 
 obj-$(CONFIG_MODULES) += module.o h8300_ksyms.o 
diff --git a/arch/h8300/kernel/time.c b/arch/h8300/kernel/time.c
index e37c835e67c..7f2d6cfbb4b 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();
 }