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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@linutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: John Stultz <john.stultz@linaro.org>
This commit is contained in:
Thomas Gleixner 2014-07-16 21:04:50 +00:00 committed by John Stultz
parent fb31cc153d
commit 41fa4215f8
1 changed files with 3 additions and 13 deletions
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16
arch/arm/common/bL_switcher.c
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@ -57,16 +57,6 @@ static int read_mpidr(void)
return id & MPIDR_HWID_BITMASK;
}
/*
* 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)