diff options
Diffstat (limited to 'drivers/acpi')
-rw-r--r-- | drivers/acpi/ac.c | 32 | ||||
-rw-r--r-- | drivers/acpi/acpi_pad.c | 29 | ||||
-rw-r--r-- | drivers/acpi/battery.c | 54 | ||||
-rw-r--r-- | drivers/acpi/pci_root.c | 19 | ||||
-rw-r--r-- | drivers/acpi/processor_idle.c | 22 | ||||
-rw-r--r-- | drivers/acpi/sbs.c | 68 |
6 files changed, 113 insertions, 111 deletions
diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 36b0e61..bbcc2b5 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -95,13 +95,14 @@ static struct acpi_driver acpi_ac_driver = { }; struct acpi_ac { - struct power_supply charger; + struct power_supply *charger; + struct power_supply_desc charger_desc; struct acpi_device * device; unsigned long long state; struct notifier_block battery_nb; }; -#define to_acpi_ac(x) container_of(x, struct acpi_ac, charger) +#define to_acpi_ac(x) power_supply_get_drvdata(x) #ifdef CONFIG_ACPI_PROCFS_POWER static const struct file_operations acpi_ac_fops = { @@ -275,7 +276,7 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event) dev_name(&device->dev), event, (u32) ac->state); acpi_notifier_call_chain(device, event, (u32) ac->state); - kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE); + kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE); } return; @@ -321,6 +322,7 @@ static struct dmi_system_id ac_dmi_table[] = { static int acpi_ac_add(struct acpi_device *device) { + struct power_supply_config psy_cfg = {}; int result = 0; struct acpi_ac *ac = NULL; @@ -341,19 +343,24 @@ static int acpi_ac_add(struct acpi_device *device) if (result) goto end; - ac->charger.name = acpi_device_bid(device); + psy_cfg.drv_data = ac; + + ac->charger_desc.name = acpi_device_bid(device); #ifdef CONFIG_ACPI_PROCFS_POWER result = acpi_ac_add_fs(ac); if (result) goto end; #endif - ac->charger.type = POWER_SUPPLY_TYPE_MAINS; - ac->charger.properties = ac_props; - ac->charger.num_properties = ARRAY_SIZE(ac_props); - ac->charger.get_property = get_ac_property; - result = power_supply_register(&ac->device->dev, &ac->charger); - if (result) + ac->charger_desc.type = POWER_SUPPLY_TYPE_MAINS; + ac->charger_desc.properties = ac_props; + ac->charger_desc.num_properties = ARRAY_SIZE(ac_props); + ac->charger_desc.get_property = get_ac_property; + ac->charger = power_supply_register(&ac->device->dev, + &ac->charger_desc, &psy_cfg); + if (IS_ERR(ac->charger)) { + result = PTR_ERR(ac->charger); goto end; + } printk(KERN_INFO PREFIX "%s [%s] (%s)\n", acpi_device_name(device), acpi_device_bid(device), @@ -390,7 +397,7 @@ static int acpi_ac_resume(struct device *dev) if (acpi_ac_get_state(ac)) return 0; if (old_state != ac->state) - kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE); + kobject_uevent(&ac->charger->dev.kobj, KOBJ_CHANGE); return 0; } #else @@ -407,8 +414,7 @@ static int acpi_ac_remove(struct acpi_device *device) ac = acpi_driver_data(device); - if (ac->charger.dev) - power_supply_unregister(&ac->charger); + power_supply_unregister(ac->charger); unregister_acpi_notifier(&ac->battery_nb); #ifdef CONFIG_ACPI_PROCFS_POWER diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index c7b105c..6bc9cbc 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -26,7 +26,7 @@ #include <linux/kthread.h> #include <linux/freezer.h> #include <linux/cpu.h> -#include <linux/clockchips.h> +#include <linux/tick.h> #include <linux/slab.h> #include <linux/acpi.h> #include <asm/mwait.h> @@ -41,8 +41,6 @@ static unsigned long power_saving_mwait_eax; static unsigned char tsc_detected_unstable; static unsigned char tsc_marked_unstable; -static unsigned char lapic_detected_unstable; -static unsigned char lapic_marked_unstable; static void power_saving_mwait_init(void) { @@ -82,13 +80,10 @@ static void power_saving_mwait_init(void) */ if (!boot_cpu_has(X86_FEATURE_NONSTOP_TSC)) tsc_detected_unstable = 1; - if (!boot_cpu_has(X86_FEATURE_ARAT)) - lapic_detected_unstable = 1; break; default: - /* TSC & LAPIC could halt in idle */ + /* TSC could halt in idle */ tsc_detected_unstable = 1; - lapic_detected_unstable = 1; } #endif } @@ -155,7 +150,6 @@ static int power_saving_thread(void *data) sched_setscheduler(current, SCHED_RR, ¶m); while (!kthread_should_stop()) { - int cpu; unsigned long expire_time; try_to_freeze(); @@ -177,28 +171,15 @@ static int power_saving_thread(void *data) mark_tsc_unstable("TSC halts in idle"); tsc_marked_unstable = 1; } - if (lapic_detected_unstable && !lapic_marked_unstable) { - int i; - /* LAPIC could halt in idle, so notify users */ - for_each_online_cpu(i) - clockevents_notify( - CLOCK_EVT_NOTIFY_BROADCAST_ON, - &i); - lapic_marked_unstable = 1; - } local_irq_disable(); - cpu = smp_processor_id(); - if (lapic_marked_unstable) - clockevents_notify( - CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &cpu); + tick_broadcast_enable(); + tick_broadcast_enter(); stop_critical_timings(); mwait_idle_with_hints(power_saving_mwait_eax, 1); start_critical_timings(); - if (lapic_marked_unstable) - clockevents_notify( - CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu); + tick_broadcast_exit(); local_irq_enable(); if (time_before(expire_time, jiffies)) { diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index d98ba43..fdc16ce 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -117,7 +117,8 @@ enum { struct acpi_battery { struct mutex lock; struct mutex sysfs_lock; - struct power_supply bat; + struct power_supply *bat; + struct power_supply_desc bat_desc; struct acpi_device *device; struct notifier_block pm_nb; unsigned long update_time; @@ -149,7 +150,7 @@ struct acpi_battery { unsigned long flags; }; -#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat) +#define to_acpi_battery(x) power_supply_get_drvdata(x) static inline int acpi_battery_present(struct acpi_battery *battery) { @@ -608,40 +609,45 @@ static struct device_attribute alarm_attr = { static int sysfs_add_battery(struct acpi_battery *battery) { - int result; + struct power_supply_config psy_cfg = { .drv_data = battery, }; if (battery->power_unit == ACPI_BATTERY_POWER_UNIT_MA) { - battery->bat.properties = charge_battery_props; - battery->bat.num_properties = + battery->bat_desc.properties = charge_battery_props; + battery->bat_desc.num_properties = ARRAY_SIZE(charge_battery_props); } else { - battery->bat.properties = energy_battery_props; - battery->bat.num_properties = + battery->bat_desc.properties = energy_battery_props; + battery->bat_desc.num_properties = ARRAY_SIZE(energy_battery_props); } - battery->bat.name = acpi_device_bid(battery->device); - battery->bat.type = POWER_SUPPLY_TYPE_BATTERY; - battery->bat.get_property = acpi_battery_get_property; + battery->bat_desc.name = acpi_device_bid(battery->device); + battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY; + battery->bat_desc.get_property = acpi_battery_get_property; - result = power_supply_register_no_ws(&battery->device->dev, &battery->bat); + battery->bat = power_supply_register_no_ws(&battery->device->dev, + &battery->bat_desc, &psy_cfg); - if (result) + if (IS_ERR(battery->bat)) { + int result = PTR_ERR(battery->bat); + + battery->bat = NULL; return result; - return device_create_file(battery->bat.dev, &alarm_attr); + } + return device_create_file(&battery->bat->dev, &alarm_attr); } static void sysfs_remove_battery(struct acpi_battery *battery) { mutex_lock(&battery->sysfs_lock); - if (!battery->bat.dev) { + if (!battery->bat) { mutex_unlock(&battery->sysfs_lock); return; } - device_remove_file(battery->bat.dev, &alarm_attr); - power_supply_unregister(&battery->bat); - battery->bat.dev = NULL; + device_remove_file(&battery->bat->dev, &alarm_attr); + power_supply_unregister(battery->bat); + battery->bat = NULL; mutex_unlock(&battery->sysfs_lock); } @@ -738,7 +744,7 @@ static int acpi_battery_update(struct acpi_battery *battery, bool resume) return result; acpi_battery_init_alarm(battery); } - if (!battery->bat.dev) { + if (!battery->bat) { result = sysfs_add_battery(battery); if (result) return result; @@ -764,7 +770,7 @@ static void acpi_battery_refresh(struct acpi_battery *battery) { int power_unit; - if (!battery->bat.dev) + if (!battery->bat) return; power_unit = battery->power_unit; @@ -1062,11 +1068,11 @@ static void acpi_battery_remove_fs(struct acpi_device *device) static void acpi_battery_notify(struct acpi_device *device, u32 event) { struct acpi_battery *battery = acpi_driver_data(device); - struct device *old; + struct power_supply *old; if (!battery) return; - old = battery->bat.dev; + old = battery->bat; /* * On Acer Aspire V5-573G notifications are sometimes triggered too * early. For example, when AC is unplugged and notification is @@ -1083,8 +1089,8 @@ static void acpi_battery_notify(struct acpi_device *device, u32 event) acpi_battery_present(battery)); acpi_notifier_call_chain(device, event, acpi_battery_present(battery)); /* acpi_battery_update could remove power_supply object */ - if (old && battery->bat.dev) - power_supply_changed(&battery->bat); + if (old && battery->bat) + power_supply_changed(battery->bat); } static int battery_notify(struct notifier_block *nb, @@ -1100,7 +1106,7 @@ static int battery_notify(struct notifier_block *nb, if (!acpi_battery_present(battery)) return 0; - if (!battery->bat.dev) { + if (battery->bat) { result = acpi_battery_get_info(battery); if (result) return result; diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 68a5f71..1b5569c 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -423,8 +423,7 @@ out: } EXPORT_SYMBOL(acpi_pci_osc_control_set); -static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm, - int *clear_aspm) +static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm) { u32 support, control, requested; acpi_status status; @@ -495,10 +494,12 @@ static void negotiate_os_control(struct acpi_pci_root *root, int *no_aspm, decode_osc_control(root, "OS now controls", control); if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM) { /* - * We have ASPM control, but the FADT indicates - * that it's unsupported. Clear it. + * We have ASPM control, but the FADT indicates that + * it's unsupported. Leave existing configuration + * intact and prevent the OS from touching it. */ - *clear_aspm = 1; + dev_info(&device->dev, "FADT indicates ASPM is unsupported, using BIOS configuration\n"); + *no_aspm = 1; } } else { decode_osc_control(root, "OS requested", requested); @@ -525,7 +526,7 @@ static int acpi_pci_root_add(struct acpi_device *device, int result; struct acpi_pci_root *root; acpi_handle handle = device->handle; - int no_aspm = 0, clear_aspm = 0; + int no_aspm = 0; bool hotadd = system_state != SYSTEM_BOOTING; root = kzalloc(sizeof(struct acpi_pci_root), GFP_KERNEL); @@ -584,7 +585,7 @@ static int acpi_pci_root_add(struct acpi_device *device, root->mcfg_addr = acpi_pci_root_get_mcfg_addr(handle); - negotiate_os_control(root, &no_aspm, &clear_aspm); + negotiate_os_control(root, &no_aspm); /* * TBD: Need PCI interface for enumeration/configuration of roots. @@ -607,10 +608,6 @@ static int acpi_pci_root_add(struct acpi_device *device, goto remove_dmar; } - if (clear_aspm) { - dev_info(&device->dev, "Disabling ASPM (FADT indicates it is unsupported)\n"); - pcie_clear_aspm(root->bus); - } if (no_aspm) pcie_no_aspm(); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index c6bb9f1..39e0c8e 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -32,7 +32,7 @@ #include <linux/acpi.h> #include <linux/dmi.h> #include <linux/sched.h> /* need_resched() */ -#include <linux/clockchips.h> +#include <linux/tick.h> #include <linux/cpuidle.h> #include <linux/syscore_ops.h> #include <acpi/processor.h> @@ -157,12 +157,11 @@ static void lapic_timer_check_state(int state, struct acpi_processor *pr, static void __lapic_timer_propagate_broadcast(void *arg) { struct acpi_processor *pr = (struct acpi_processor *) arg; - unsigned long reason; - reason = pr->power.timer_broadcast_on_state < INT_MAX ? - CLOCK_EVT_NOTIFY_BROADCAST_ON : CLOCK_EVT_NOTIFY_BROADCAST_OFF; - - clockevents_notify(reason, &pr->id); + if (pr->power.timer_broadcast_on_state < INT_MAX) + tick_broadcast_enable(); + else + tick_broadcast_disable(); } static void lapic_timer_propagate_broadcast(struct acpi_processor *pr) @@ -179,11 +178,10 @@ static void lapic_timer_state_broadcast(struct acpi_processor *pr, int state = cx - pr->power.states; if (state >= pr->power.timer_broadcast_on_state) { - unsigned long reason; - - reason = broadcast ? CLOCK_EVT_NOTIFY_BROADCAST_ENTER : - CLOCK_EVT_NOTIFY_BROADCAST_EXIT; - clockevents_notify(reason, &pr->id); + if (broadcast) + tick_broadcast_enter(); + else + tick_broadcast_exit(); } } @@ -922,7 +920,7 @@ static int acpi_processor_setup_cpuidle_states(struct acpi_processor *pr) return -EINVAL; drv->safe_state_index = -1; - for (i = 0; i < CPUIDLE_STATE_MAX; i++) { + for (i = CPUIDLE_DRIVER_STATE_START; i < CPUIDLE_STATE_MAX; i++) { drv->states[i].name[0] = '\0'; drv->states[i].desc[0] = '\0'; } diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index a7a3edd..cd82762 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -74,7 +74,8 @@ static const struct acpi_device_id sbs_device_ids[] = { MODULE_DEVICE_TABLE(acpi, sbs_device_ids); struct acpi_battery { - struct power_supply bat; + struct power_supply *bat; + struct power_supply_desc bat_desc; struct acpi_sbs *sbs; unsigned long update_time; char name[8]; @@ -101,10 +102,10 @@ struct acpi_battery { u8 have_sysfs_alarm:1; }; -#define to_acpi_battery(x) container_of(x, struct acpi_battery, bat) +#define to_acpi_battery(x) power_supply_get_drvdata(x) struct acpi_sbs { - struct power_supply charger; + struct power_supply *charger; struct acpi_device *device; struct acpi_smb_hc *hc; struct mutex lock; @@ -115,7 +116,7 @@ struct acpi_sbs { u8 charger_exists:1; }; -#define to_acpi_sbs(x) container_of(x, struct acpi_sbs, charger) +#define to_acpi_sbs(x) power_supply_get_drvdata(x) static int acpi_sbs_remove(struct acpi_device *device); static int acpi_battery_get_state(struct acpi_battery *battery); @@ -303,6 +304,13 @@ static enum power_supply_property sbs_energy_battery_props[] = { POWER_SUPPLY_PROP_MANUFACTURER, }; +static const struct power_supply_desc acpi_sbs_charger_desc = { + .name = "sbs-charger", + .type = POWER_SUPPLY_TYPE_MAINS, + .properties = sbs_ac_props, + .num_properties = ARRAY_SIZE(sbs_ac_props), + .get_property = sbs_get_ac_property, +}; /* -------------------------------------------------------------------------- Smart Battery System Management @@ -519,6 +527,7 @@ static int acpi_battery_read(struct acpi_battery *battery) static int acpi_battery_add(struct acpi_sbs *sbs, int id) { struct acpi_battery *battery = &sbs->battery[id]; + struct power_supply_config psy_cfg = { .drv_data = battery, }; int result; battery->id = id; @@ -528,23 +537,27 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id) return result; sprintf(battery->name, ACPI_BATTERY_DIR_NAME, id); - battery->bat.name = battery->name; - battery->bat.type = POWER_SUPPLY_TYPE_BATTERY; + battery->bat_desc.name = battery->name; + battery->bat_desc.type = POWER_SUPPLY_TYPE_BATTERY; if (!acpi_battery_mode(battery)) { - battery->bat.properties = sbs_charge_battery_props; - battery->bat.num_properties = + battery->bat_desc.properties = sbs_charge_battery_props; + battery->bat_desc.num_properties = ARRAY_SIZE(sbs_charge_battery_props); } else { - battery->bat.properties = sbs_energy_battery_props; - battery->bat.num_properties = + battery->bat_desc.properties = sbs_energy_battery_props; + battery->bat_desc.num_properties = ARRAY_SIZE(sbs_energy_battery_props); } - battery->bat.get_property = acpi_sbs_battery_get_property; - result = power_supply_register(&sbs->device->dev, &battery->bat); - if (result) + battery->bat_desc.get_property = acpi_sbs_battery_get_property; + battery->bat = power_supply_register(&sbs->device->dev, + &battery->bat_desc, &psy_cfg); + if (IS_ERR(battery->bat)) { + result = PTR_ERR(battery->bat); + battery->bat = NULL; goto end; + } - result = device_create_file(battery->bat.dev, &alarm_attr); + result = device_create_file(&battery->bat->dev, &alarm_attr); if (result) goto end; battery->have_sysfs_alarm = 1; @@ -559,28 +572,29 @@ static void acpi_battery_remove(struct acpi_sbs *sbs, int id) { struct acpi_battery *battery = &sbs->battery[id]; - if (battery->bat.dev) { + if (battery->bat) { if (battery->have_sysfs_alarm) - device_remove_file(battery->bat.dev, &alarm_attr); - power_supply_unregister(&battery->bat); + device_remove_file(&battery->bat->dev, &alarm_attr); + power_supply_unregister(battery->bat); } } static int acpi_charger_add(struct acpi_sbs *sbs) { int result; + struct power_supply_config psy_cfg = { .drv_data = sbs, }; result = acpi_ac_get_present(sbs); if (result) goto end; sbs->charger_exists = 1; - sbs->charger.name = "sbs-charger"; - sbs->charger.type = POWER_SUPPLY_TYPE_MAINS; - sbs->charger.properties = sbs_ac_props; - sbs->charger.num_properties = ARRAY_SIZE(sbs_ac_props); - sbs->charger.get_property = sbs_get_ac_property; - power_supply_register(&sbs->device->dev, &sbs->charger); + sbs->charger = power_supply_register(&sbs->device->dev, + &acpi_sbs_charger_desc, &psy_cfg); + if (IS_ERR(sbs->charger)) { + result = PTR_ERR(sbs->charger); + sbs->charger = NULL; + } printk(KERN_INFO PREFIX "%s [%s]: AC Adapter [%s] (%s)\n", ACPI_SBS_DEVICE_NAME, acpi_device_bid(sbs->device), ACPI_AC_DIR_NAME, sbs->charger_present ? "on-line" : "off-line"); @@ -590,8 +604,8 @@ static int acpi_charger_add(struct acpi_sbs *sbs) static void acpi_charger_remove(struct acpi_sbs *sbs) { - if (sbs->charger.dev) - power_supply_unregister(&sbs->charger); + if (sbs->charger) + power_supply_unregister(sbs->charger); } static void acpi_sbs_callback(void *context) @@ -605,7 +619,7 @@ static void acpi_sbs_callback(void *context) if (sbs->charger_exists) { acpi_ac_get_present(sbs); if (sbs->charger_present != saved_charger_state) - kobject_uevent(&sbs->charger.dev->kobj, KOBJ_CHANGE); + kobject_uevent(&sbs->charger->dev.kobj, KOBJ_CHANGE); } if (sbs->manager_present) { @@ -617,7 +631,7 @@ static void acpi_sbs_callback(void *context) acpi_battery_read(bat); if (saved_battery_state == bat->present) continue; - kobject_uevent(&bat->bat.dev->kobj, KOBJ_CHANGE); + kobject_uevent(&bat->bat->dev.kobj, KOBJ_CHANGE); } } } |