[patch 20/55] timekeeping: Use ktime_t data for ktime_get_update_offsets_now()

From: Thomas Gleixner
Date: Fri Jul 11 2014 - 09:54:57 EST


No need to juggle with timespecs.

Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
kernel/time/timekeeping.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

Index: tip/kernel/time/timekeeping.c
===================================================================
--- tip.orig/kernel/time/timekeeping.c
+++ tip/kernel/time/timekeeping.c
@@ -1672,14 +1672,14 @@ ktime_t ktime_get_update_offsets_now(kti
ktime_t *offs_tai)
{
struct timekeeper *tk = &tk_core.timekeeper;
- ktime_t now;
unsigned int seq;
- u64 secs, nsecs;
+ ktime_t base;
+ u64 nsecs;

do {
seq = read_seqcount_begin(&tk_core.seq);

- secs = tk->xtime_sec;
+ base = tk->base_mono;
nsecs = timekeeping_get_ns(tk);

*offs_real = tk->offs_real;
@@ -1687,9 +1687,7 @@ ktime_t ktime_get_update_offsets_now(kti
*offs_tai = tk->offs_tai;
} while (read_seqcount_retry(&tk_core.seq, seq));

- now = ktime_add_ns(ktime_set(secs, 0), nsecs);
- now = ktime_sub(now, *offs_real);
- return now;
+ return ktime_add_ns(base, nsecs);
}
#endif



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