[RFC][PATCH 8/14] Convert ia64 to read/update_persistent_clock

[john stultz]

This patch converts the ia64  architecture to use the generic
read_persistent_clock and update_persistent_clock interfaces, reducing
the amount of arch specific code we have to maintain, and allowing for
further cleanups in the future.

I have not built or tested this patch, so help from arch maintainers
would be appreciated.

Signed-off-by: John Stultz <johnstul@xxxxxxxxxx>
---
 time.c |   12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

Index: gettimeoffset/arch/ia64/kernel/time.c
===================================================================
--- gettimeoffset.orig/arch/ia64/kernel/time.c	2009-12-22 18:50:55.000000000 -0800
+++ gettimeoffset/arch/ia64/kernel/time.c	2009-12-22 18:51:10.000000000 -0800
@@ -430,18 +430,16 @@ static int __init rtc_init(void)
 }
 module_init(rtc_init);
 
+void read_persistent_clock(struct timespec *ts)
+{
+	efi_gettimeofday(ts);
+}
+
 void __init
 time_init (void)
 {
 	register_percpu_irq(IA64_TIMER_VECTOR, &timer_irqaction);
-	efi_gettimeofday(&xtime);
 	ia64_init_itm();
-
-	/*
-	 * Initialize wall_to_monotonic such that adding it to xtime will yield zero, the
-	 * tv_nsec field must be normalized (i.e., 0 <= nsec < NSEC_PER_SEC).
-	 */
-	set_normalized_timespec(&wall_to_monotonic, -xtime.tv_sec, -xtime.tv_nsec);
 }
 
 /*


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