diff options
author | Len Brown <len.brown@intel.com> | 2009-04-24 01:35:08 -0400 |
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committer | Len Brown <len.brown@intel.com> | 2009-04-24 01:35:08 -0400 |
commit | f752a091abd1f9d38f926823bfd5c8480dd1132b (patch) | |
tree | ace3b9ae356ac88c583678ad3e40cc2b6a7fb5a0 /drivers/acpi | |
parent | 6e6c348fb23122c6faf89ef10f1b9f034dba0da5 (diff) | |
parent | 92614610774072ea68131f16e024ee8fc15be9be (diff) |
Merge branch 'idle' into release
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/processor_idle.c | 19 |
1 files changed, 6 insertions, 13 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 6fe121434ffb..eed3b458ebac 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c | |||
@@ -581,6 +581,11 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) | |||
581 | for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { | 581 | for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { |
582 | struct acpi_processor_cx *cx = &pr->power.states[i]; | 582 | struct acpi_processor_cx *cx = &pr->power.states[i]; |
583 | 583 | ||
584 | #if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) | ||
585 | /* TSC could halt in idle, so notify users */ | ||
586 | if (tsc_halts_in_c(cx->type)) | ||
587 | mark_tsc_unstable("TSC halts in idle");; | ||
588 | #endif | ||
584 | switch (cx->type) { | 589 | switch (cx->type) { |
585 | case ACPI_STATE_C1: | 590 | case ACPI_STATE_C1: |
586 | cx->valid = 1; | 591 | cx->valid = 1; |
@@ -657,11 +662,9 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) | |||
657 | 662 | ||
658 | seq_printf(seq, "active state: C%zd\n" | 663 | seq_printf(seq, "active state: C%zd\n" |
659 | "max_cstate: C%d\n" | 664 | "max_cstate: C%d\n" |
660 | "bus master activity: %08x\n" | ||
661 | "maximum allowed latency: %d usec\n", | 665 | "maximum allowed latency: %d usec\n", |
662 | pr->power.state ? pr->power.state - pr->power.states : 0, | 666 | pr->power.state ? pr->power.state - pr->power.states : 0, |
663 | max_cstate, (unsigned)pr->power.bm_activity, | 667 | max_cstate, pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)); |
664 | pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)); | ||
665 | 668 | ||
666 | seq_puts(seq, "states:\n"); | 669 | seq_puts(seq, "states:\n"); |
667 | 670 | ||
@@ -871,11 +874,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, | |||
871 | kt2 = ktime_get_real(); | 874 | kt2 = ktime_get_real(); |
872 | idle_time = ktime_to_us(ktime_sub(kt2, kt1)); | 875 | idle_time = ktime_to_us(ktime_sub(kt2, kt1)); |
873 | 876 | ||
874 | #if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) | ||
875 | /* TSC could halt in idle, so notify users */ | ||
876 | if (tsc_halts_in_c(cx->type)) | ||
877 | mark_tsc_unstable("TSC halts in idle");; | ||
878 | #endif | ||
879 | sleep_ticks = us_to_pm_timer_ticks(idle_time); | 877 | sleep_ticks = us_to_pm_timer_ticks(idle_time); |
880 | 878 | ||
881 | /* Tell the scheduler how much we idled: */ | 879 | /* Tell the scheduler how much we idled: */ |
@@ -989,11 +987,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, | |||
989 | spin_unlock(&c3_lock); | 987 | spin_unlock(&c3_lock); |
990 | } | 988 | } |
991 | 989 | ||
992 | #if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) | ||
993 | /* TSC could halt in idle, so notify users */ | ||
994 | if (tsc_halts_in_c(ACPI_STATE_C3)) | ||
995 | mark_tsc_unstable("TSC halts in idle"); | ||
996 | #endif | ||
997 | sleep_ticks = us_to_pm_timer_ticks(idle_time); | 990 | sleep_ticks = us_to_pm_timer_ticks(idle_time); |
998 | /* Tell the scheduler how much we idled: */ | 991 | /* Tell the scheduler how much we idled: */ |
999 | sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS); | 992 | sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS); |