powerpc: cell: Use ktime_get_ns()

Replace the ever recurring:
	ts = ktime_get_ts();
	ns = timespec_to_ns(&ts);
with
	ns = ktime_get_ns();

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>

1 files changed, 3 insertions, 8 deletions

diff --git a/arch/powerpc/platforms/cell/spu_base.c b/arch/powerpc/platforms/cell/spu_base.c
index f85db3a69b4a..2930d1e81a05 100644
--- a/arch/powerpc/platforms/cell/spu_base.c
+++ b/arch/powerpc/platforms/cell/spu_base.c
@@ -611,7 +611,6 @@ static int __init create_spu(void *data)
 	int ret;
 	static int number;
 	unsigned long flags;
-	struct timespec ts;
 
 	ret = -ENOMEM;
 	spu = kzalloc(sizeof (*spu), GFP_KERNEL);
@@ -652,8 +651,7 @@ static int __init create_spu(void *data)
 	mutex_unlock(&spu_full_list_mutex);
 
 	spu->stats.util_state = SPU_UTIL_IDLE_LOADED;
-	ktime_get_ts(&ts);
-	spu->stats.tstamp = timespec_to_ns(&ts);
+	spu->stats.tstamp = ktime_get_ns();
 
 	INIT_LIST_HEAD(&spu->aff_list);
 
@@ -676,7 +674,6 @@ static const char *spu_state_names[] = {
 static unsigned long long spu_acct_time(struct spu *spu,
 		enum spu_utilization_state state)
 {
-	struct timespec ts;
 	unsigned long long time = spu->stats.times[state];
 
 	/*
@@ -684,10 +681,8 @@ static unsigned long long spu_acct_time(struct spu *spu,
 	 * statistics are not updated.  Apply the time delta from the
 	 * last recorded state of the spu.
 	 */
-	if (spu->stats.util_state == state) {
-		ktime_get_ts(&ts);
-		time += timespec_to_ns(&ts) - spu->stats.tstamp;
-	}
+	if (spu->stats.util_state == state)
+		time += ktime_get_ns() - spu->stats.tstamp;
 
 	return time / NSEC_PER_MSEC;
 }