diff mbox

ACPI: Fix the incorrect calculation about C-state idle time

Message ID 1275447849-25761-1-git-send-email-yakui.zhao@intel.com (mailing list archive)
State New, archived
Headers show

Commit Message

Zhao, Yakui June 2, 2010, 3:04 a.m. UTC 
None
diff mbox

Patch

diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 2e8c27d..6b38a6b 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1022,7 +1022,7 @@  static int acpi_idle_enter_bm(struct cpuidle_device *dev,
 		spin_unlock(&c3_lock);
 	}
 	kt2 = ktime_get_real();
-	idle_time_ns = ktime_to_us(ktime_sub(kt2, kt1));
+	idle_time_ns = ktime_to_ns(ktime_sub(kt2, kt1));
 	idle_time = idle_time_ns;
 	do_div(idle_time, NSEC_PER_USEC);