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Commit 41fa4215 authored by Thomas Gleixner's avatar Thomas Gleixner Committed by John Stultz
Browse files

arm: bL_switcher:k Use ktime_get_real_ns() 



Use the nanoseconds based interface instead of converting from a
timespec.

Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org
Signed-off-by: default avatarJohn Stultz <john.stultz@linaro.org>
parent fb31cc15

arch/arm/common/bL_switcher.c

+3 −13
Original line number Original line Diff line number Diff line
@@ -57,16 +57,6 @@ static int read_mpidr(void) 
	return id & MPIDR_HWID_BITMASK;

	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.

 * bL switcher core code.

 */

 */
@@ -224,7 +214,7 @@ static int bL_switch_to(unsigned int new_cluster_id) 
	 */

	 */

	local_irq_disable();

	local_irq_disable();

	local_fiq_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 */

	/* redirect GIC's SGIs to our counterpart */

	gic_migrate_target(bL_gic_id[ib_cpu][ib_cluster]);

	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);

					  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_fiq_enable();

	local_irq_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)

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)

int bL_switcher_trace_trigger(void)