Commit-ID: 41fa4215f8e8150bdc5d2a5f8704915f1b059fa8
Gitweb: http://git.kernel.org/tip/41fa4215f8e8150bdc5d2a5f8704915f1b059fa8
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Wed, 16 Jul 2014 21:04:50 +0000
Committer: John Stultz <john.stultz@xxxxxxxxxx>
CommitDate: Wed, 23 Jul 2014 15:01:45 -0700
arm: bL_switcher:k Use ktime_get_real_ns()
Use the nanoseconds based interface instead of converting from a
timespec.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxxx>
Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx
Signed-off-by: John Stultz <john.stultz@xxxxxxxxxx>
---
arch/arm/common/bL_switcher.c | 16 +++-------------
1 file changed, 3 insertions(+), 13 deletions(-)
diff --git a/arch/arm/common/bL_switcher.c b/arch/arm/common/bL_switcher.c
index 490f3dc..6eaddc4 100644
--- a/arch/arm/common/bL_switcher.c
+++ b/arch/arm/common/bL_switcher.c
@@ -58,16 +58,6 @@ static int read_mpidr(void)
}
/*
- * Get a global nanosecond time stamp for tracing.
- */
-static s64 get_ns(void)
-{
- struct timespec ts;
- getnstimeofday(&ts);
- return timespec_to_ns(&ts);
-}
-
-/*
* bL switcher core code.
*/
@@ -224,7 +214,7 @@ static int bL_switch_to(unsigned int new_cluster_id)
*/
local_irq_disable();
local_fiq_disable();
- trace_cpu_migrate_begin(get_ns(), ob_mpidr);
+ trace_cpu_migrate_begin(ktime_get_real_ns(), ob_mpidr);
/* redirect GIC's SGIs to our counterpart */
gic_migrate_target(bL_gic_id[ib_cpu][ib_cluster]);
@@ -267,7 +257,7 @@ static int bL_switch_to(unsigned int new_cluster_id)
tdev->evtdev->next_event, 1);
}
- trace_cpu_migrate_finish(get_ns(), ib_mpidr);
+ trace_cpu_migrate_finish(ktime_get_real_ns(), ib_mpidr);
local_fiq_enable();
local_irq_enable();
@@ -558,7 +548,7 @@ int bL_switcher_get_logical_index(u32 mpidr)
static void bL_switcher_trace_trigger_cpu(void *__always_unused info)
{
- trace_cpu_migrate_current(get_ns(), read_mpidr());
+ trace_cpu_migrate_current(ktime_get_real_ns(), read_mpidr());
}
int bL_switcher_trace_trigger(void)
--
To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
|