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-rw-r--r--Documentation/feature-removal-schedule.txt9
-rw-r--r--drivers/acpi/ec.c22
-rw-r--r--drivers/acpi/internal.h5
-rw-r--r--drivers/acpi/processor_idle.c17
-rw-r--r--drivers/acpi/sleep.c57
5 files changed, 55 insertions, 55 deletions
diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 672be0109d02..c268783bc4e7 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -578,15 +578,6 @@ Who: Avi Kivity <avi@redhat.com>
578 578
579---------------------------- 579----------------------------
580 580
581What: "acpi=ht" boot option
582When: 2.6.35
583Why: Useful in 2003, implementation is a hack.
584 Generally invoked by accident today.
585 Seen as doing more harm than good.
586Who: Len Brown <len.brown@intel.com>
587
588----------------------------
589
590What: iwlwifi 50XX module parameters 581What: iwlwifi 50XX module parameters
591When: 2.6.40 582When: 2.6.40
592Why: The "..50" modules parameters were used to configure 5000 series and 583Why: The "..50" modules parameters were used to configure 5000 series and
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index e61d4f8e62a5..5f2027d782e8 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -79,7 +79,7 @@ enum {
79 EC_FLAGS_GPE_STORM, /* GPE storm detected */ 79 EC_FLAGS_GPE_STORM, /* GPE storm detected */
80 EC_FLAGS_HANDLERS_INSTALLED, /* Handlers for GPE and 80 EC_FLAGS_HANDLERS_INSTALLED, /* Handlers for GPE and
81 * OpReg are installed */ 81 * OpReg are installed */
82 EC_FLAGS_FROZEN, /* Transactions are suspended */ 82 EC_FLAGS_BLOCKED, /* Transactions are blocked */
83}; 83};
84 84
85/* If we find an EC via the ECDT, we need to keep a ptr to its context */ 85/* If we find an EC via the ECDT, we need to keep a ptr to its context */
@@ -293,7 +293,7 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
293 if (t->rdata) 293 if (t->rdata)
294 memset(t->rdata, 0, t->rlen); 294 memset(t->rdata, 0, t->rlen);
295 mutex_lock(&ec->lock); 295 mutex_lock(&ec->lock);
296 if (test_bit(EC_FLAGS_FROZEN, &ec->flags)) { 296 if (test_bit(EC_FLAGS_BLOCKED, &ec->flags)) {
297 status = -EINVAL; 297 status = -EINVAL;
298 goto unlock; 298 goto unlock;
299 } 299 }
@@ -459,7 +459,7 @@ int ec_transaction(u8 command,
459 459
460EXPORT_SYMBOL(ec_transaction); 460EXPORT_SYMBOL(ec_transaction);
461 461
462void acpi_ec_suspend_transactions(void) 462void acpi_ec_block_transactions(void)
463{ 463{
464 struct acpi_ec *ec = first_ec; 464 struct acpi_ec *ec = first_ec;
465 465
@@ -468,11 +468,11 @@ void acpi_ec_suspend_transactions(void)
468 468
469 mutex_lock(&ec->lock); 469 mutex_lock(&ec->lock);
470 /* Prevent transactions from being carried out */ 470 /* Prevent transactions from being carried out */
471 set_bit(EC_FLAGS_FROZEN, &ec->flags); 471 set_bit(EC_FLAGS_BLOCKED, &ec->flags);
472 mutex_unlock(&ec->lock); 472 mutex_unlock(&ec->lock);
473} 473}
474 474
475void acpi_ec_resume_transactions(void) 475void acpi_ec_unblock_transactions(void)
476{ 476{
477 struct acpi_ec *ec = first_ec; 477 struct acpi_ec *ec = first_ec;
478 478
@@ -481,10 +481,20 @@ void acpi_ec_resume_transactions(void)
481 481
482 mutex_lock(&ec->lock); 482 mutex_lock(&ec->lock);
483 /* Allow transactions to be carried out again */ 483 /* Allow transactions to be carried out again */
484 clear_bit(EC_FLAGS_FROZEN, &ec->flags); 484 clear_bit(EC_FLAGS_BLOCKED, &ec->flags);
485 mutex_unlock(&ec->lock); 485 mutex_unlock(&ec->lock);
486} 486}
487 487
488void acpi_ec_unblock_transactions_early(void)
489{
490 /*
491 * Allow transactions to happen again (this function is called from
492 * atomic context during wakeup, so we don't need to acquire the mutex).
493 */
494 if (first_ec)
495 clear_bit(EC_FLAGS_BLOCKED, &first_ec->flags);
496}
497
488static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 * data) 498static int acpi_ec_query_unlocked(struct acpi_ec *ec, u8 * data)
489{ 499{
490 int result; 500 int result;
diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index e28411367239..f8f190ec066e 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -49,8 +49,9 @@ void acpi_early_processor_set_pdc(void);
49int acpi_ec_init(void); 49int acpi_ec_init(void);
50int acpi_ec_ecdt_probe(void); 50int acpi_ec_ecdt_probe(void);
51int acpi_boot_ec_enable(void); 51int acpi_boot_ec_enable(void);
52void acpi_ec_suspend_transactions(void); 52void acpi_ec_block_transactions(void);
53void acpi_ec_resume_transactions(void); 53void acpi_ec_unblock_transactions(void);
54void acpi_ec_unblock_transactions_early(void);
54 55
55/*-------------------------------------------------------------------------- 56/*--------------------------------------------------------------------------
56 Suspend/Resume 57 Suspend/Resume
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 2e8c27d48f2b..b1b385692f46 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -80,7 +80,7 @@ module_param(nocst, uint, 0000);
80static unsigned int latency_factor __read_mostly = 2; 80static unsigned int latency_factor __read_mostly = 2;
81module_param(latency_factor, uint, 0644); 81module_param(latency_factor, uint, 0644);
82 82
83static s64 us_to_pm_timer_ticks(s64 t) 83static u64 us_to_pm_timer_ticks(s64 t)
84{ 84{
85 return div64_u64(t * PM_TIMER_FREQUENCY, 1000000); 85 return div64_u64(t * PM_TIMER_FREQUENCY, 1000000);
86} 86}
@@ -731,10 +731,10 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
731 731
732 seq_puts(seq, "demotion[--] "); 732 seq_puts(seq, "demotion[--] ");
733 733
734 seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n", 734 seq_printf(seq, "latency[%03d] usage[%08d] duration[%020Lu]\n",
735 pr->power.states[i].latency, 735 pr->power.states[i].latency,
736 pr->power.states[i].usage, 736 pr->power.states[i].usage,
737 (unsigned long long)pr->power.states[i].time); 737 us_to_pm_timer_ticks(pr->power.states[i].time));
738 } 738 }
739 739
740 end: 740 end:
@@ -861,7 +861,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
861 ktime_t kt1, kt2; 861 ktime_t kt1, kt2;
862 s64 idle_time_ns; 862 s64 idle_time_ns;
863 s64 idle_time; 863 s64 idle_time;
864 s64 sleep_ticks = 0;
865 864
866 pr = __get_cpu_var(processors); 865 pr = __get_cpu_var(processors);
867 866
@@ -906,8 +905,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
906 idle_time = idle_time_ns; 905 idle_time = idle_time_ns;
907 do_div(idle_time, NSEC_PER_USEC); 906 do_div(idle_time, NSEC_PER_USEC);
908 907
909 sleep_ticks = us_to_pm_timer_ticks(idle_time);
910
911 /* Tell the scheduler how much we idled: */ 908 /* Tell the scheduler how much we idled: */
912 sched_clock_idle_wakeup_event(idle_time_ns); 909 sched_clock_idle_wakeup_event(idle_time_ns);
913 910
@@ -918,7 +915,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
918 cx->usage++; 915 cx->usage++;
919 916
920 lapic_timer_state_broadcast(pr, cx, 0); 917 lapic_timer_state_broadcast(pr, cx, 0);
921 cx->time += sleep_ticks; 918 cx->time += idle_time;
922 return idle_time; 919 return idle_time;
923} 920}
924 921
@@ -940,7 +937,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
940 ktime_t kt1, kt2; 937 ktime_t kt1, kt2;
941 s64 idle_time_ns; 938 s64 idle_time_ns;
942 s64 idle_time; 939 s64 idle_time;
943 s64 sleep_ticks = 0;
944 940
945 941
946 pr = __get_cpu_var(processors); 942 pr = __get_cpu_var(processors);
@@ -1022,11 +1018,10 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
1022 spin_unlock(&c3_lock); 1018 spin_unlock(&c3_lock);
1023 } 1019 }
1024 kt2 = ktime_get_real(); 1020 kt2 = ktime_get_real();