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authorLinus Torvalds <torvalds@linux-foundation.org>2010-05-28 14:42:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-05-28 14:42:18 -0700
commit9a90e09854a3c7cc603ab8fc9163f77bb1f66cfa (patch)
treec8c5f767dd2351c9db440f003cc14401583bafd3 /drivers/acpi/processor_idle.c
parentd372e7fe4698bde3a00b718f7901a0025dda47ef (diff)
parentd3b383338f105f50724c10a7d81b04a3930e886b (diff)
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Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (27 commits) ACPI: Don't let acpi_pad needlessly mark TSC unstable drivers/acpi/sleep.h: Checkpatch cleanup ACPI: Minor cleanup eliminating redundant PMTIMER_TICKS to NS conversion ACPI: delete unused c-state promotion/demotion data strucutures ACPI: video: fix acpi_backlight=video ACPI: EC: Use kmemdup drivers/acpi: use kasprintf ACPI, APEI, EINJ injection parameters support Add x64 support to debugfs ACPI, APEI, Use ERST for persistent storage of MCE ACPI, APEI, Error Record Serialization Table (ERST) support ACPI, APEI, Generic Hardware Error Source memory error support ACPI, APEI, UEFI Common Platform Error Record (CPER) header Unified UUID/GUID definition ACPI Hardware Error Device (PNP0C33) support ACPI, APEI, PCIE AER, use general HEST table parsing in AER firmware_first setup ACPI, APEI, Document for APEI ACPI, APEI, EINJ support ACPI, APEI, HEST table parsing ACPI, APEI, APEI supporting infrastructure ...
Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r--drivers/acpi/processor_idle.c30
1 files changed, 13 insertions, 17 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index c3817e1..13c6cb7 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -727,19 +727,9 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
break;
}
- if (pr->power.states[i].promotion.state)
- seq_printf(seq, "promotion[C%zd] ",
- (pr->power.states[i].promotion.state -
- pr->power.states));
- else
- seq_puts(seq, "promotion[--] ");
-
- if (pr->power.states[i].demotion.state)
- seq_printf(seq, "demotion[C%zd] ",
- (pr->power.states[i].demotion.state -
- pr->power.states));
- else
- seq_puts(seq, "demotion[--] ");
+ seq_puts(seq, "promotion[--] ");
+
+ seq_puts(seq, "demotion[--] ");
seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n",
pr->power.states[i].latency,
@@ -869,6 +859,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
struct acpi_processor *pr;
struct acpi_processor_cx *cx = cpuidle_get_statedata(state);
ktime_t kt1, kt2;
+ s64 idle_time_ns;
s64 idle_time;
s64 sleep_ticks = 0;
@@ -910,12 +901,14 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
sched_clock_idle_sleep_event();
acpi_idle_do_entry(cx);
kt2 = ktime_get_real();
- idle_time = 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);
sleep_ticks = us_to_pm_timer_ticks(idle_time);
/* Tell the scheduler how much we idled: */
- sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
+ sched_clock_idle_wakeup_event(idle_time_ns);
local_irq_enable();
current_thread_info()->status |= TS_POLLING;
@@ -943,6 +936,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
struct acpi_processor *pr;
struct acpi_processor_cx *cx = cpuidle_get_statedata(state);
ktime_t kt1, kt2;
+ s64 idle_time_ns;
s64 idle_time;
s64 sleep_ticks = 0;
@@ -1025,11 +1019,13 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
spin_unlock(&c3_lock);
}
kt2 = ktime_get_real();
- idle_time = ktime_to_us(ktime_sub(kt2, kt1));
+ idle_time_ns = ktime_to_us(ktime_sub(kt2, kt1));
+ idle_time = idle_time_ns;
+ do_div(idle_time, NSEC_PER_USEC);
sleep_ticks = us_to_pm_timer_ticks(idle_time);
/* Tell the scheduler how much we idled: */
- sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS);
+ sched_clock_idle_wakeup_event(idle_time_ns);
local_irq_enable();
current_thread_info()->status |= TS_POLLING;