diff options
author | Len Brown <len.brown@intel.com> | 2005-08-05 00:44:28 -0400 |
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committer | Len Brown <len.brown@intel.com> | 2005-08-05 00:45:14 -0400 |
commit | 4be44fcd3bf648b782f4460fd06dfae6c42ded4b (patch) | |
tree | 5b5b7d296ea58786f53b95e5eac9565ff66890b0 /drivers/acpi/processor_idle.c | |
parent | c65ade4dc8b486e8c8b9b0a6399789a5428e2039 (diff) | |
download | kernel_samsung_tuna-4be44fcd3bf648b782f4460fd06dfae6c42ded4b.zip kernel_samsung_tuna-4be44fcd3bf648b782f4460fd06dfae6c42ded4b.tar.gz kernel_samsung_tuna-4be44fcd3bf648b782f4460fd06dfae6c42ded4b.tar.bz2 |
[ACPI] Lindent all ACPI files
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/acpi/processor_idle.c')
-rw-r--r-- | drivers/acpi/processor_idle.c | 315 |
1 files changed, 159 insertions, 156 deletions
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 2c04740..26a3a40 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -48,15 +48,12 @@ #define ACPI_PROCESSOR_CLASS "processor" #define ACPI_PROCESSOR_DRIVER_NAME "ACPI Processor Driver" #define _COMPONENT ACPI_PROCESSOR_COMPONENT -ACPI_MODULE_NAME ("acpi_processor") - +ACPI_MODULE_NAME("acpi_processor") #define ACPI_PROCESSOR_FILE_POWER "power" - #define US_TO_PM_TIMER_TICKS(t) ((t * (PM_TIMER_FREQUENCY/1000)) / 1000) #define C2_OVERHEAD 4 /* 1us (3.579 ticks per us) */ #define C3_OVERHEAD 4 /* 1us (3.579 ticks per us) */ - -static void (*pm_idle_save)(void); +static void (*pm_idle_save) (void); module_param(max_cstate, uint, 0644); static unsigned int nocst = 0; @@ -69,7 +66,8 @@ module_param(nocst, uint, 0000); * 100 HZ: 0x0000000F: 4 jiffies = 40ms * reduce history for more aggressive entry into C3 */ -static unsigned int bm_history = (HZ >= 800 ? 0xFFFFFFFF : ((1U << (HZ / 25)) - 1)); +static unsigned int bm_history = + (HZ >= 800 ? 0xFFFFFFFF : ((1U << (HZ / 25)) - 1)); module_param(bm_history, uint, 0644); /* -------------------------------------------------------------------------- Power Management @@ -87,34 +85,36 @@ static int set_max_cstate(struct dmi_system_id *id) return 0; printk(KERN_NOTICE PREFIX "%s detected - limiting to C%ld max_cstate." - " Override with \"processor.max_cstate=%d\"\n", id->ident, - (long)id->driver_data, ACPI_PROCESSOR_MAX_POWER + 1); + " Override with \"processor.max_cstate=%d\"\n", id->ident, + (long)id->driver_data, ACPI_PROCESSOR_MAX_POWER + 1); max_cstate = (long)id->driver_data; return 0; } - static struct dmi_system_id __initdata processor_power_dmi_table[] = { - { set_max_cstate, "IBM ThinkPad R40e", { - DMI_MATCH(DMI_BIOS_VENDOR,"IBM"), - DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW") }, (void*)1}, - { set_max_cstate, "Medion 41700", { - DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"), - DMI_MATCH(DMI_BIOS_VERSION,"R01-A1J") }, (void*)1}, - { set_max_cstate, "Clevo 5600D", { - DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"), - DMI_MATCH(DMI_BIOS_VERSION,"SHE845M0.86C.0013.D.0302131307") }, - (void*)2}, + {set_max_cstate, "IBM ThinkPad R40e", { + DMI_MATCH(DMI_BIOS_VENDOR, + "IBM"), + DMI_MATCH(DMI_BIOS_VERSION, + "1SET60WW")}, + (void *)1}, + {set_max_cstate, "Medion 41700", { + DMI_MATCH(DMI_BIOS_VENDOR, + "Phoenix Technologies LTD"), + DMI_MATCH(DMI_BIOS_VERSION, + "R01-A1J")}, (void *)1}, + {set_max_cstate, "Clevo 5600D", { + DMI_MATCH(DMI_BIOS_VENDOR, + "Phoenix Technologies LTD"), + DMI_MATCH(DMI_BIOS_VERSION, + "SHE845M0.86C.0013.D.0302131307")}, + (void *)2}, {}, }; - -static inline u32 -ticks_elapsed ( - u32 t1, - u32 t2) +static inline u32 ticks_elapsed(u32 t1, u32 t2) { if (t2 >= t1) return (t2 - t1); @@ -124,13 +124,11 @@ ticks_elapsed ( return ((0xFFFFFFFF - t1) + t2); } - static void -acpi_processor_power_activate ( - struct acpi_processor *pr, - struct acpi_processor_cx *new) +acpi_processor_power_activate(struct acpi_processor *pr, + struct acpi_processor_cx *new) { - struct acpi_processor_cx *old; + struct acpi_processor_cx *old; if (!pr || !new) return; @@ -139,7 +137,7 @@ acpi_processor_power_activate ( if (old) old->promotion.count = 0; - new->demotion.count = 0; + new->demotion.count = 0; /* Cleanup from old state. */ if (old) { @@ -147,7 +145,8 @@ acpi_processor_power_activate ( case ACPI_STATE_C3: /* Disable bus master reload */ if (new->type != ACPI_STATE_C3 && pr->flags.bm_check) - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0, ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0, + ACPI_MTX_DO_NOT_LOCK); break; } } @@ -157,7 +156,8 @@ acpi_processor_power_activate ( case ACPI_STATE_C3: /* Enable bus master reload */ if (old->type != ACPI_STATE_C3 && pr->flags.bm_check) - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1, ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1, + ACPI_MTX_DO_NOT_LOCK); break; } @@ -166,17 +166,15 @@ acpi_processor_power_activate ( return; } +static atomic_t c3_cpu_count; -static atomic_t c3_cpu_count; - - -static void acpi_processor_idle (void) +static void acpi_processor_idle(void) { - struct acpi_processor *pr = NULL; + struct acpi_processor *pr = NULL; struct acpi_processor_cx *cx = NULL; struct acpi_processor_cx *next_state = NULL; - int sleep_ticks = 0; - u32 t1, t2 = 0; + int sleep_ticks = 0; + u32 t1, t2 = 0; pr = processors[raw_smp_processor_id()]; if (!pr) @@ -208,8 +206,8 @@ static void acpi_processor_idle (void) * for demotion. */ if (pr->flags.bm_check) { - u32 bm_status = 0; - unsigned long diff = jiffies - pr->power.bm_check_timestamp; + u32 bm_status = 0; + unsigned long diff = jiffies - pr->power.bm_check_timestamp; if (diff > 32) diff = 32; @@ -223,11 +221,11 @@ static void acpi_processor_idle (void) } acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, - &bm_status, ACPI_MTX_DO_NOT_LOCK); + &bm_status, ACPI_MTX_DO_NOT_LOCK); if (bm_status) { pr->power.bm_activity++; acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, - 1, ACPI_MTX_DO_NOT_LOCK); + 1, ACPI_MTX_DO_NOT_LOCK); } /* * PIIX4 Erratum #18: Note that BM_STS doesn't always reflect @@ -236,7 +234,7 @@ static void acpi_processor_idle (void) */ else if (errata.piix4.bmisx) { if ((inb_p(errata.piix4.bmisx + 0x02) & 0x01) - || (inb_p(errata.piix4.bmisx + 0x0A) & 0x01)) + || (inb_p(errata.piix4.bmisx + 0x0A) & 0x01)) pr->power.bm_activity++; } @@ -281,7 +279,7 @@ static void acpi_processor_idle (void) else safe_halt(); /* - * TBD: Can't get time duration while in C1, as resumes + * TBD: Can't get time duration while in C1, as resumes * go to an ISR rather than here. Need to instrument * base interrupt handler. */ @@ -300,26 +298,27 @@ static void acpi_processor_idle (void) /* Re-enable interrupts */ local_irq_enable(); /* Compute time (ticks) that we were actually asleep */ - sleep_ticks = ticks_elapsed(t1, t2) - cx->latency_ticks - C2_OVERHEAD; + sleep_ticks = + ticks_elapsed(t1, t2) - cx->latency_ticks - C2_OVERHEAD; break; case ACPI_STATE_C3: - + if (pr->flags.bm_check) { if (atomic_inc_return(&c3_cpu_count) == - num_online_cpus()) { + num_online_cpus()) { /* * All CPUs are trying to go to C3 * Disable bus master arbitration */ acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1, - ACPI_MTX_DO_NOT_LOCK); + ACPI_MTX_DO_NOT_LOCK); } } else { /* SMP with no shared cache... Invalidate cache */ ACPI_FLUSH_CPU_CACHE(); } - + /* Get start time (ticks) */ t1 = inl(acpi_fadt.xpm_tmr_blk.address); /* Invoke C3 */ @@ -331,13 +330,15 @@ static void acpi_processor_idle (void) if (pr->flags.bm_check) { /* Enable bus master arbitration */ atomic_dec(&c3_cpu_count); - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0, ACPI_MTX_DO_NOT_LOCK); + acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0, + ACPI_MTX_DO_NOT_LOCK); } /* Re-enable interrupts */ local_irq_enable(); /* Compute time (ticks) that we were actually asleep */ - sleep_ticks = ticks_elapsed(t1, t2) - cx->latency_ticks - C3_OVERHEAD; + sleep_ticks = + ticks_elapsed(t1, t2) - cx->latency_ticks - C3_OVERHEAD; break; default: @@ -359,15 +360,18 @@ static void acpi_processor_idle (void) ((cx->promotion.state - pr->power.states) <= max_cstate)) { if (sleep_ticks > cx->promotion.threshold.ticks) { cx->promotion.count++; - cx->demotion.count = 0; - if (cx->promotion.count >= cx->promotion.threshold.count) { + cx->demotion.count = 0; + if (cx->promotion.count >= + cx->promotion.threshold.count) { if (pr->flags.bm_check) { - if (!(pr->power.bm_activity & cx->promotion.threshold.bm)) { - next_state = cx->promotion.state; + if (! + (pr->power.bm_activity & cx-> + promotion.threshold.bm)) { + next_state = + cx->promotion.state; goto end; } - } - else { + } else { next_state = cx->promotion.state; goto end; } @@ -392,7 +396,7 @@ static void acpi_processor_idle (void) } } -end: + end: /* * Demote if current state exceeds max_cstate */ @@ -412,7 +416,7 @@ end: return; - easy_out: + easy_out: /* do C1 instead of busy loop */ if (pm_idle_save) pm_idle_save(); @@ -421,10 +425,7 @@ end: return; } - -static int -acpi_processor_set_power_policy ( - struct acpi_processor *pr) +static int acpi_processor_set_power_policy(struct acpi_processor *pr) { unsigned int i; unsigned int state_is_set = 0; @@ -432,7 +433,7 @@ acpi_processor_set_power_policy ( struct acpi_processor_cx *higher = NULL; struct acpi_processor_cx *cx; - ACPI_FUNCTION_TRACE("acpi_processor_set_power_policy"); + ACPI_FUNCTION_TRACE("acpi_processor_set_power_policy"); if (!pr) return_VALUE(-EINVAL); @@ -447,7 +448,7 @@ acpi_processor_set_power_policy ( */ /* startup state */ - for (i=1; i < ACPI_PROCESSOR_MAX_POWER; i++) { + for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { cx = &pr->power.states[i]; if (!cx->valid) continue; @@ -456,13 +457,13 @@ acpi_processor_set_power_policy ( pr->power.state = cx; state_is_set++; break; - } + } if (!state_is_set) return_VALUE(-ENODEV); /* demotion */ - for (i=1; i < ACPI_PROCESSOR_MAX_POWER; i++) { + for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { cx = &pr->power.states[i]; if (!cx->valid) continue; @@ -485,7 +486,7 @@ acpi_processor_set_power_policy ( continue; if (higher) { - cx->promotion.state = higher; + cx->promotion.state = higher; cx->promotion.threshold.ticks = cx->latency_ticks; if (cx->type >= ACPI_STATE_C2) cx->promotion.threshold.count = 4; @@ -498,11 +499,10 @@ acpi_processor_set_power_policy ( higher = cx; } - return_VALUE(0); + return_VALUE(0); } - -static int acpi_processor_get_power_info_fadt (struct acpi_processor *pr) +static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) { int i; @@ -543,15 +543,14 @@ static int acpi_processor_get_power_info_fadt (struct acpi_processor *pr) return_VALUE(0); } - -static int acpi_processor_get_power_info_default_c1 (struct acpi_processor *pr) +static int acpi_processor_get_power_info_default_c1(struct acpi_processor *pr) { int i; ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_default_c1"); for (i = 0; i < ACPI_PROCESSOR_MAX_POWER; i++) - memset(&(pr->power.states[i]), 0, + memset(&(pr->power.states[i]), 0, sizeof(struct acpi_processor_cx)); /* if info is obtained from pblk/fadt, type equals state */ @@ -567,14 +566,13 @@ static int acpi_processor_get_power_info_default_c1 (struct acpi_processor *pr) return_VALUE(0); } - -static int acpi_processor_get_power_info_cst (struct acpi_processor *pr) +static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) { - acpi_status status = 0; - acpi_integer count; - int i; - struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; - union acpi_object *cst; + acpi_status status = 0; + acpi_integer count; + int i; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *cst; ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_cst"); @@ -583,20 +581,21 @@ static int acpi_processor_get_power_info_cst (struct acpi_processor *pr) pr->power.count = 0; for (i = 0; i < ACPI_PROCESSOR_MAX_POWER; i++) - memset(&(pr->power.states[i]), 0, + memset(&(pr->power.states[i]), 0, sizeof(struct acpi_processor_cx)); status = acpi_evaluate_object(pr->handle, "_CST", NULL, &buffer); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No _CST, giving up\n")); return_VALUE(-ENODEV); - } + } - cst = (union acpi_object *) buffer.pointer; + cst = (union acpi_object *)buffer.pointer; /* There must be at least 2 elements */ if (!cst || (cst->type != ACPI_TYPE_PACKAGE) || cst->package.count < 2) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "not enough elements in _CST\n")); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "not enough elements in _CST\n")); status = -EFAULT; goto end; } @@ -605,15 +604,19 @@ static int acpi_processor_get_power_info_cst (struct acpi_processor *pr) /* Validate number of power states. */ if (count < 1 || count != cst->package.count - 1) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "count given by _CST is not valid\n")); + ACPI_DEBUG_PRINT((ACPI_DB_ERROR, + "count given by _CST is not valid\n")); status = -EFAULT; goto end; } /* We support up to ACPI_PROCESSOR_MAX_POWER. */ if (count > ACPI_PROCESSOR_MAX_POWER) { - printk(KERN_WARNING "Limiting number of power states to max (%d)\n", ACPI_PROCESSOR_MAX_POWER); - printk(KERN_WARNING "Please increase ACPI_PROCESSOR_MAX_POWER if needed.\n"); + printk(KERN_WARNING + "Limiting number of power states to max (%d)\n", + ACPI_PROCESSOR_MAX_POWER); + printk(KERN_WARNING + "Please increase ACPI_PROCESSOR_MAX_POWER if needed.\n"); count = ACPI_PROCESSOR_MAX_POWER; } @@ -628,29 +631,29 @@ static int acpi_processor_get_power_info_cst (struct acpi_processor *pr) memset(&cx, 0, sizeof(cx)); - element = (union acpi_object *) &(cst->package.elements[i]); + element = (union acpi_object *)&(cst->package.elements[i]); if (element->type != ACPI_TYPE_PACKAGE) continue; if (element->package.count != 4) continue; - obj = (union acpi_object *) &(element->package.elements[0]); + obj = (union acpi_object *)&(element->package.elements[0]); if (obj->type != ACPI_TYPE_BUFFER) continue; - reg = (struct acpi_power_register *) obj->buffer.pointer; + reg = (struct acpi_power_register *)obj->buffer.pointer; if (reg->space_id != ACPI_ADR_SPACE_SYSTEM_IO && - (reg->space_id != ACPI_ADR_SPACE_FIXED_HARDWARE)) + (reg->space_id != ACPI_ADR_SPACE_FIXED_HARDWARE)) continue; cx.address = (reg->space_id == ACPI_ADR_SPACE_FIXED_HARDWARE) ? - 0 : reg->address; + 0 : reg->address; /* There should be an easy way to extract an integer... */ - obj = (union acpi_object *) &(element->package.elements[1]); + obj = (union acpi_object *)&(element->package.elements[1]); if (obj->type != ACPI_TYPE_INTEGER) continue; @@ -660,17 +663,16 @@ static int acpi_processor_get_power_info_cst (struct acpi_processor *pr) (reg->space_id != ACPI_ADR_SPACE_SYSTEM_IO)) continue; - if ((cx.type < ACPI_STATE_C1) || - (cx.type > ACPI_STATE_C3)) + if ((cx.type < ACPI_STATE_C1) || (cx.type > ACPI_STATE_C3)) continue; - obj = (union acpi_object *) &(element->package.elements[2]); + obj = (union acpi_object *)&(element->package.elements[2]); if (obj->type != ACPI_TYPE_INTEGER) continue; cx.latency = obj->integer.value; - obj = (union acpi_object *) &(element->package.elements[3]); + obj = (union acpi_object *)&(element->package.elements[3]); if (obj->type != ACPI_TYPE_INTEGER) continue; @@ -680,19 +682,19 @@ static int acpi_processor_get_power_info_cst (struct acpi_processor *pr) memcpy(&(pr->power.states[pr->power.count]), &cx, sizeof(cx)); } - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d power states\n", pr->power.count)); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d power states\n", + pr->power.count)); /* Validate number of power states discovered */ if (pr->power.count < 2) status = -ENODEV; -end: + end: acpi_os_free(buffer.pointer); return_VALUE(status); } - static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx) { ACPI_FUNCTION_TRACE("acpi_processor_get_power_verify_c2"); @@ -706,8 +708,7 @@ static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx) */ else if (cx->latency > ACPI_PROCESSOR_MAX_C2_LATENCY) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "latency too large [%d]\n", - cx->latency)); + "latency too large [%d]\n", cx->latency)); return_VOID; } @@ -721,10 +722,8 @@ static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx) return_VOID; } - -static void acpi_processor_power_verify_c3( - struct acpi_processor *pr, - struct acpi_processor_cx *cx) +static void acpi_processor_power_verify_c3(struct acpi_processor *pr, + struct acpi_processor_cx *cx) { static int bm_check_flag; @@ -739,8 +738,7 @@ static void acpi_processor_power_verify_c3( */ else if (cx->latency > ACPI_PROCESSOR_MAX_C3_LATENCY) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "latency too large [%d]\n", - cx->latency)); + "latency too large [%d]\n", cx->latency)); return_VOID; } @@ -753,7 +751,7 @@ static void acpi_processor_power_verify_c3( */ else if (errata.piix4.fdma) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C3 not supported on PIIX4 with Type-F DMA\n")); + "C3 not supported on PIIX4 with Type-F DMA\n")); return_VOID; } @@ -770,7 +768,7 @@ static void acpi_processor_power_verify_c3( /* bus mastering control is necessary */ if (!pr->flags.bm_control) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "C3 support requires bus mastering control\n")); + "C3 support requires bus mastering control\n")); return_VOID; } } else { @@ -780,12 +778,12 @@ static void acpi_processor_power_verify_c3( */ if (acpi_fadt.wb_invd != 1) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Cache invalidation should work properly" - " for C3 to be enabled on SMP systems\n")); + "Cache invalidation should work properly" + " for C3 to be enabled on SMP systems\n")); return_VOID; } acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, - 0, ACPI_MTX_DO_NOT_LOCK); + 0, ACPI_MTX_DO_NOT_LOCK); } /* @@ -800,13 +798,12 @@ static void acpi_processor_power_verify_c3( return_VOID; } - static int acpi_processor_power_verify(struct acpi_processor *pr) { unsigned int i; unsigned int working = 0; - for (i=1; i < ACPI_PROCESSOR_MAX_POWER; i++) { + for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { struct acpi_processor_cx *cx = &pr->power.states[i]; switch (cx->type) { @@ -830,8 +827,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) return (working); } -static int acpi_processor_get_power_info ( - struct acpi_processor *pr) +static int acpi_processor_get_power_info(struct acpi_processor *pr) { unsigned int i; int result; @@ -874,16 +870,16 @@ static int acpi_processor_get_power_info ( return_VALUE(0); } -int acpi_processor_cst_has_changed (struct acpi_processor *pr) +int acpi_processor_cst_has_changed(struct acpi_processor *pr) { - int result = 0; + int result = 0; ACPI_FUNCTION_TRACE("acpi_processor_cst_has_changed"); if (!pr) - return_VALUE(-EINVAL); + return_VALUE(-EINVAL); - if ( nocst) { + if (nocst) { return_VALUE(-ENODEV); } @@ -892,7 +888,7 @@ int acpi_processor_cst_has_changed (struct acpi_processor *pr) /* Fall back to the default idle loop */ pm_idle = pm_idle_save; - synchronize_sched(); /* Relies on interrupts forcing exit from idle. */ + synchronize_sched(); /* Relies on interrupts forcing exit from idle. */ pr->flags.power = 0; result = acpi_processor_get_power_info(pr); @@ -906,8 +902,8 @@ int acpi_processor_cst_has_changed (struct acpi_processor *pr) static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) { - struct acpi_processor *pr = (struct acpi_processor *)seq->private; - unsigned int i; + struct acpi_processor *pr = (struct acpi_processor *)seq->private; + unsigned int i; ACPI_FUNCTION_TRACE("acpi_processor_power_seq_show"); @@ -915,17 +911,17 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) goto end; seq_printf(seq, "active state: C%zd\n" - "max_cstate: C%d\n" - "bus master activity: %08x\n", - pr->power.state ? pr->power.state - pr->power.states : 0, - max_cstate, - (unsigned)pr->power.bm_activity); + "max_cstate: C%d\n" + "bus master activity: %08x\n", + pr->power.state ? pr->power.state - pr->power.states : 0, + max_cstate, (unsigned)pr->power.bm_activity); seq_puts(seq, "states:\n"); for (i = 1; i <= pr->power.count; i++) { seq_printf(seq, " %cC%d: ", - (&pr->power.states[i] == pr->power.state?'*':' '), i); + (&pr->power.states[i] == + pr->power.state ? '*' : ' '), i); if (!pr->power.states[i].valid) { seq_puts(seq, "<not supported>\n"); @@ -949,45 +945,46 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) if (pr->power.states[i].promotion.state) seq_printf(seq, "promotion[C%zd] ", - (pr->power.states[i].promotion.state - - pr->power.states)); + (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)); + (pr->power.states[i].demotion.state - + pr->power.states)); else seq_puts(seq, "demotion[--] "); seq_printf(seq, "latency[%03d] usage[%08d]\n", - pr->power.states[i].latency, - pr->power.states[i].usage); + pr->power.states[i].latency, + pr->power.states[i].usage); } -end: + end: return_VALUE(0); } static int acpi_processor_power_open_fs(struct inode *inode, struct file *file) { return single_open(file, acpi_processor_power_seq_show, - PDE(inode)->data); + PDE(inode)->data); } static struct file_operations acpi_processor_power_fops = { - .open = acpi_processor_power_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, + .open = acpi_processor_power_open_fs, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, }; -int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *device) +int acpi_processor_power_init(struct acpi_processor *pr, + struct acpi_device *device) { - acpi_status status = 0; - static int first_run = 0; - struct proc_dir_entry *entry = NULL; + acpi_status status = 0; + static int first_run = 0; + struct proc_dir_entry *entry = NULL; unsigned int i; ACPI_FUNCTION_TRACE("acpi_processor_power_init"); @@ -995,7 +992,9 @@ int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *dev if (!first_run) { dmi_check_system(processor_power_dmi_table); if (max_cstate < ACPI_C_STATES_MAX) - printk(KERN_NOTICE "ACPI: processor limited to max C-state %d\n", max_cstate); + printk(KERN_NOTICE + "ACPI: processor limited to max C-state %d\n", + max_cstate); first_run++; } @@ -1003,7 +1002,8 @@ int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *dev return_VALUE(-EINVAL); if (acpi_fadt.cst_cnt && !nocst) { - status = acpi_os_write_port(acpi_fadt.smi_cmd, acpi_fadt.cst_cnt, 8); + status = + acpi_os_write_port(acpi_fadt.smi_cmd, acpi_fadt.cst_cnt, 8); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Notifying BIOS of _CST ability failed\n")); @@ -1023,7 +1023,8 @@ int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *dev printk(KERN_INFO PREFIX "CPU%d (power states:", pr->id); for (i = 1; i <= pr->power.count; i++) if (pr->power.states[i].valid) - printk(" C%d[C%d]", i, pr->power.states[i].type); + printk(" C%d[C%d]", i, + pr->power.states[i].type); printk(")\n"); if (pr->id == 0) { @@ -1034,11 +1035,11 @@ int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *dev /* 'power' [R] */ entry = create_proc_entry(ACPI_PROCESSOR_FILE_POWER, - S_IRUGO, acpi_device_dir(device)); + S_IRUGO, acpi_device_dir(device)); if (!entry) ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_PROCESSOR_FILE_POWER)); + "Unable to create '%s' fs entry\n", + ACPI_PROCESSOR_FILE_POWER)); else { entry->proc_fops = &acpi_processor_power_fops; entry->data = acpi_driver_data(device); @@ -1050,14 +1051,16 @@ int acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *dev return_VALUE(0); } -int acpi_processor_power_exit(struct acpi_processor *pr, struct acpi_device *device) +int acpi_processor_power_exit(struct acpi_processor *pr, + struct acpi_device *device) { ACPI_FUNCTION_TRACE("acpi_processor_power_exit"); pr->flags.power_setup_done = 0; if (acpi_device_dir(device)) - remove_proc_entry(ACPI_PROCESSOR_FILE_POWER,acpi_device_dir(device)); + remove_proc_entry(ACPI_PROCESSOR_FILE_POWER, + acpi_device_dir(device)); /* Unregister the idle handler when processor #0 is removed. */ if (pr->id == 0) { |