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authorLen Brown <len.brown@intel.com>2009-04-24 10:41:31 -0400
committerLen Brown <len.brown@intel.com>2009-04-24 10:41:31 -0400
commit3869e929bb38499b37f8cd76ec96ab6e5a169efb (patch)
tree7c76cc0159d4fa87367463eb97970474eab84da4 /drivers/acpi/processor_idle.c
parent2d40570786c7c208539c65893818119557327ba0 (diff)
parentf461ddea0af8b98e2b7940eba9c693b0ee44d64a (diff)
Merge branch 'hpet' into release
Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index eed3b458ebac..07c7d216c89d 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -953,6 +953,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
953 */ 953 */
954 acpi_state_timer_broadcast(pr, cx, 1); 954 acpi_state_timer_broadcast(pr, cx, 1);
955 955
956 kt1 = ktime_get_real();
956 /* 957 /*
957 * disable bus master 958 * disable bus master
958 * bm_check implies we need ARB_DIS 959 * bm_check implies we need ARB_DIS
@@ -974,10 +975,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
974 ACPI_FLUSH_CPU_CACHE(); 975 ACPI_FLUSH_CPU_CACHE();
975 } 976 }
976 977
977 kt1 = ktime_get_real();
978 acpi_idle_do_entry(cx); 978 acpi_idle_do_entry(cx);
979 kt2 = ktime_get_real();
980 idle_time = ktime_to_us(ktime_sub(kt2, kt1));
981 979
982 /* Re-enable bus master arbitration */ 980 /* Re-enable bus master arbitration */
983 if (pr->flags.bm_check && pr->flags.bm_control) { 981 if (pr->flags.bm_check && pr->flags.bm_control) {
@@ -986,6 +984,8 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
986 c3_cpu_count--; 984 c3_cpu_count--;
987 spin_unlock(&c3_lock); 985 spin_unlock(&c3_lock);
988 } 986 }
987 kt2 = ktime_get_real();
988 idle_time = ktime_to_us(ktime_sub(kt2, kt1));
989 989
990 sleep_ticks = us_to_pm_timer_ticks(idle_time); 990 sleep_ticks = us_to_pm_timer_ticks(idle_time);
991 /* Tell the scheduler how much we idled: */ 991 /* Tell the scheduler how much we idled: */