diff options
Diffstat (limited to 'drivers/acpi')
47 files changed, 470 insertions, 1413 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 20eacc2c9e0e..e942ffe8b57e 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -13,6 +13,7 @@ config ACPI depends on IA64 || X86 depends on PCI depends on PM + select PNP default y ---help--- Advanced Configuration and Power Interface (ACPI) support for @@ -132,15 +133,6 @@ config ACPI_VIDEO Note that this is an ref. implementation only. It may or may not work for your integrated video device. -config ACPI_HOTKEY - tristate "Generic Hotkey (EXPERIMENTAL)" - depends on EXPERIMENTAL - depends on X86 - default n - help - Experimental consolidated hotkey driver. - If you are unsure, say N. - config ACPI_FAN tristate "Fan" default y diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 856c32bccacb..5956e9f64a8b 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -46,7 +46,6 @@ obj-$(CONFIG_ACPI_FAN) += fan.o obj-$(CONFIG_ACPI_DOCK) += dock.o obj-$(CONFIG_ACPI_BAY) += bay.o obj-$(CONFIG_ACPI_VIDEO) += video.o -obj-$(CONFIG_ACPI_HOTKEY) += hotkey.o obj-y += pci_root.o pci_link.o pci_irq.o pci_bind.o obj-$(CONFIG_ACPI_POWER) += power.o obj-$(CONFIG_ACPI_PROCESSOR) += processor.o diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 6daeace796a8..37c7dc4f9fe5 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -35,7 +35,6 @@ #define ACPI_AC_COMPONENT 0x00020000 #define ACPI_AC_CLASS "ac_adapter" #define ACPI_AC_HID "ACPI0003" -#define ACPI_AC_DRIVER_NAME "ACPI AC Adapter Driver" #define ACPI_AC_DEVICE_NAME "AC Adapter" #define ACPI_AC_FILE_STATE "state" #define ACPI_AC_NOTIFY_STATUS 0x80 @@ -44,10 +43,10 @@ #define ACPI_AC_STATUS_UNKNOWN 0xFF #define _COMPONENT ACPI_AC_COMPONENT -ACPI_MODULE_NAME("acpi_ac") +ACPI_MODULE_NAME("ac"); - MODULE_AUTHOR("Paul Diefenbaugh"); -MODULE_DESCRIPTION(ACPI_AC_DRIVER_NAME); +MODULE_AUTHOR("Paul Diefenbaugh"); +MODULE_DESCRIPTION("ACPI AC Adapter Driver"); MODULE_LICENSE("GPL"); extern struct proc_dir_entry *acpi_lock_ac_dir(void); @@ -58,7 +57,7 @@ static int acpi_ac_remove(struct acpi_device *device, int type); static int acpi_ac_open_fs(struct inode *inode, struct file *file); static struct acpi_driver acpi_ac_driver = { - .name = ACPI_AC_DRIVER_NAME, + .name = "ac", .class = ACPI_AC_CLASS, .ids = ACPI_AC_HID, .ops = { diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index cd946ed192d3..c26172671fd8 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -35,14 +35,13 @@ #define ACPI_MEMORY_DEVICE_COMPONENT 0x08000000UL #define ACPI_MEMORY_DEVICE_CLASS "memory" #define ACPI_MEMORY_DEVICE_HID "PNP0C80" -#define ACPI_MEMORY_DEVICE_DRIVER_NAME "Hotplug Mem Driver" #define ACPI_MEMORY_DEVICE_NAME "Hotplug Mem Device" #define _COMPONENT ACPI_MEMORY_DEVICE_COMPONENT -ACPI_MODULE_NAME("acpi_memory") - MODULE_AUTHOR("Naveen B S <naveen.b.s@intel.com>"); -MODULE_DESCRIPTION(ACPI_MEMORY_DEVICE_DRIVER_NAME); +ACPI_MODULE_NAME("acpi_memhotplug"); +MODULE_AUTHOR("Naveen B S <naveen.b.s@intel.com>"); +MODULE_DESCRIPTION("Hotplug Mem Driver"); MODULE_LICENSE("GPL"); /* ACPI _STA method values */ @@ -60,7 +59,7 @@ static int acpi_memory_device_remove(struct acpi_device *device, int type); static int acpi_memory_device_start(struct acpi_device *device); static struct acpi_driver acpi_memory_device_driver = { - .name = ACPI_MEMORY_DEVICE_DRIVER_NAME, + .name = "acpi_memhotplug", .class = ACPI_MEMORY_DEVICE_CLASS, .ids = ACPI_MEMORY_DEVICE_HID, .ops = { diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c index 31ad70a6e22e..772299fb5f9d 100644 --- a/drivers/acpi/asus_acpi.c +++ b/drivers/acpi/asus_acpi.c @@ -141,6 +141,7 @@ struct asus_hotk { W5A, //W5A W3V, //W3030V xxN, //M2400N, M3700N, M5200N, M6800N, S1300N, S5200N + A4S, //Z81sp //(Centrino) END_MODEL } model; //Models currently supported @@ -397,7 +398,16 @@ static struct model_data model_conf[END_MODEL] = { .brightness_set = "SPLV", .brightness_get = "GPLV", .display_set = "SDSP", - .display_get = "\\ADVG"} + .display_get = "\\ADVG"}, + + { + .name = "A4S", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .mt_bt_switch = "BLED", + .mt_wled = "WLED" + } + }; /* procdir we use */ @@ -421,7 +431,7 @@ static struct asus_hotk *hotk; static int asus_hotk_add(struct acpi_device *device); static int asus_hotk_remove(struct acpi_device *device, int type); static struct acpi_driver asus_hotk_driver = { - .name = ACPI_HOTK_NAME, + .name = "asus_acpi", .class = ACPI_HOTK_CLASS, .ids = ACPI_HOTK_HID, .ops = { @@ -1117,6 +1127,8 @@ static int asus_model_match(char *model) return W3V; else if (strncmp(model, "W5A", 3) == 0) return W5A; + else if (strncmp(model, "A4S", 3) == 0) + return A4S; else return END_MODEL; } @@ -1365,10 +1377,6 @@ static int __init asus_acpi_init(void) if (acpi_disabled) return -ENODEV; - if (!acpi_specific_hotkey_enabled) { - printk(KERN_ERR "Using generic hotkey driver\n"); - return -ENODEV; - } asus_proc_dir = proc_mkdir(PROC_ASUS, acpi_root_dir); if (!asus_proc_dir) { printk(KERN_ERR "Asus ACPI: Unable to create /proc entry\n"); diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 2f4521a48fe7..e64c76c8b726 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -42,7 +42,6 @@ #define ACPI_BATTERY_COMPONENT 0x00040000 #define ACPI_BATTERY_CLASS "battery" #define ACPI_BATTERY_HID "PNP0C0A" -#define ACPI_BATTERY_DRIVER_NAME "ACPI Battery Driver" #define ACPI_BATTERY_DEVICE_NAME "Battery" #define ACPI_BATTERY_FILE_INFO "info" #define ACPI_BATTERY_FILE_STATUS "state" @@ -53,10 +52,10 @@ #define ACPI_BATTERY_UNITS_AMPS "mA" #define _COMPONENT ACPI_BATTERY_COMPONENT -ACPI_MODULE_NAME("acpi_battery") +ACPI_MODULE_NAME("battery"); - MODULE_AUTHOR("Paul Diefenbaugh"); -MODULE_DESCRIPTION(ACPI_BATTERY_DRIVER_NAME); +MODULE_AUTHOR("Paul Diefenbaugh"); +MODULE_DESCRIPTION("ACPI Battery Driver"); MODULE_LICENSE("GPL"); extern struct proc_dir_entry *acpi_lock_battery_dir(void); @@ -67,7 +66,7 @@ static int acpi_battery_remove(struct acpi_device *device, int type); static int acpi_battery_resume(struct acpi_device *device); static struct acpi_driver acpi_battery_driver = { - .name = ACPI_BATTERY_DRIVER_NAME, + .name = "battery", .class = ACPI_BATTERY_CLASS, .ids = ACPI_BATTERY_HID, .ops = { @@ -324,6 +323,13 @@ static int acpi_battery_check(struct acpi_battery *battery) return result; } +static void acpi_battery_check_present(struct acpi_battery *battery) +{ + if (!battery->flags.present) { + acpi_battery_check(battery); + } +} + /* -------------------------------------------------------------------------- FS Interface (/proc) -------------------------------------------------------------------------- */ @@ -340,6 +346,8 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset) if (!battery) goto end; + acpi_battery_check_present(battery); + if (battery->flags.present) seq_printf(seq, "present: yes\n"); else { @@ -424,6 +432,8 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset) if (!battery) goto end; + acpi_battery_check_present(battery); + if (battery->flags.present) seq_printf(seq, "present: yes\n"); else { @@ -499,6 +509,8 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) if (!battery) goto end; + acpi_battery_check_present(battery); + if (!battery->flags.present) { seq_printf(seq, "present: no\n"); goto end; @@ -536,6 +548,8 @@ acpi_battery_write_alarm(struct file *file, if (!battery || (count > sizeof(alarm_string) - 1)) return -EINVAL; + acpi_battery_check_present(battery); + if (!battery->flags.present) return -ENODEV; diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c index 91082ce6f5d1..fb3f31b5e69f 100644 --- a/drivers/acpi/bay.c +++ b/drivers/acpi/bay.c @@ -32,11 +32,9 @@ #include <asm/uaccess.h> #include <linux/platform_device.h> -#define ACPI_BAY_DRIVER_NAME "ACPI Removable Drive Bay Driver" - -ACPI_MODULE_NAME("bay") +ACPI_MODULE_NAME("bay"); MODULE_AUTHOR("Kristen Carlson Accardi"); -MODULE_DESCRIPTION(ACPI_BAY_DRIVER_NAME); +MODULE_DESCRIPTION("ACPI Removable Drive Bay Driver"); MODULE_LICENSE("GPL"); #define ACPI_BAY_CLASS "bay" #define ACPI_BAY_COMPONENT 0x10000000 @@ -47,18 +45,6 @@ MODULE_LICENSE("GPL"); acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer);\ printk(KERN_DEBUG PREFIX "%s: %s\n", prefix, s); } static void bay_notify(acpi_handle handle, u32 event, void *data); -static int acpi_bay_add(struct acpi_device *device); -static int acpi_bay_remove(struct acpi_device *device, int type); - -static struct acpi_driver acpi_bay_driver = { - .name = ACPI_BAY_DRIVER_NAME, - .class = ACPI_BAY_CLASS, - .ids = ACPI_BAY_HID, - .ops = { - .add = acpi_bay_add, - .remove = acpi_bay_remove, - }, -}; struct bay { acpi_handle handle; @@ -234,14 +220,6 @@ int eject_removable_drive(struct device *dev) } EXPORT_SYMBOL_GPL(eject_removable_drive); -static int acpi_bay_add(struct acpi_device *device) -{ - bay_dprintk(device->handle, "adding bay device"); - strcpy(acpi_device_name(device), "Dockable Bay"); - strcpy(acpi_device_class(device), "bay"); - return 0; -} - static int acpi_bay_add_fs(struct bay *bay) { int ret; @@ -303,7 +281,7 @@ static int bay_add(acpi_handle handle, int id) /* initialize platform device stuff */ pdev = platform_device_register_simple(ACPI_BAY_CLASS, id, NULL, 0); - if (pdev == NULL) { + if (IS_ERR(pdev)) { printk(KERN_ERR PREFIX "Error registering bay device\n"); goto bay_add_err; } @@ -339,52 +317,6 @@ bay_add_err: return -ENODEV; } -static int acpi_bay_remove(struct acpi_device *device, int type) -{ - /*** FIXME: do something here */ - return 0; -} - -/** - * bay_create_acpi_device - add new devices to acpi - * @handle - handle of the device to add - * - * This function will create a new acpi_device for the given - * handle if one does not exist already. This should cause - * acpi to scan for drivers for the given devices, and call - * matching driver's add routine. - * - * Returns a pointer to the acpi_device corresponding to the handle. - */ -static struct acpi_device * bay_create_acpi_device(acpi_handle handle) -{ - struct acpi_device *device = NULL; - struct acpi_device *parent_device; - acpi_handle parent; - int ret; - - bay_dprintk(handle, "Trying to get device"); - if (acpi_bus_get_device(handle, &device)) { - /* - * no device created for this object, - * so we should create one. - */ - bay_dprintk(handle, "No device for handle"); - acpi_get_parent(handle, &parent); - if (acpi_bus_get_device(parent, &parent_device)) - parent_device = NULL; - - ret = acpi_bus_add(&device, parent_device, handle, - ACPI_BUS_TYPE_DEVICE); - if (ret) { - pr_debug("error adding bus, %x\n", - -ret); - return NULL; - } - } - return device; -} - /** * bay_notify - act upon an acpi bay notification * @handle: the bay handle @@ -394,38 +326,19 @@ static struct acpi_device * bay_create_acpi_device(acpi_handle handle) */ static void bay_notify(acpi_handle handle, u32 event, void *data) { - struct acpi_device *dev; + struct bay *bay_dev = (struct bay *)data; + struct device *dev = &bay_dev->pdev->dev; bay_dprintk(handle, "Bay event"); switch(event) { case ACPI_NOTIFY_BUS_CHECK: - printk("Bus Check\n"); case ACPI_NOTIFY_DEVICE_CHECK: - printk("Device Check\n"); - dev = bay_create_acpi_device(handle); - if (dev) - acpi_bus_generate_event(dev, event, 0); - else - printk("No device for generating event\n"); - /* wouldn't it be a good idea to just rescan SATA - * right here? - */ - break; case ACPI_NOTIFY_EJECT_REQUEST: - printk("Eject request\n"); - dev = bay_create_acpi_device(handle); - if (dev) - acpi_bus_generate_event(dev, event, 0); - else - printk("No device for generating eventn"); - - /* wouldn't it be a good idea to just call the - * eject_device here if we were a SATA device? - */ + kobject_uevent(&dev->kobj, KOBJ_CHANGE); break; default: - printk("unknown event %d\n", event); + printk(KERN_ERR PREFIX "Bay: unknown event %d\n", event); } } @@ -457,10 +370,6 @@ static int __init bay_init(void) acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, find_bay, &bays, NULL); - if (bays) - if ((acpi_bus_register_driver(&acpi_bay_driver) < 0)) - printk(KERN_ERR "Unable to register bay driver\n"); - if (!bays) return -ENODEV; @@ -481,8 +390,6 @@ static void __exit bay_exit(void) kfree(bay->name); kfree(bay); } - - acpi_bus_unregister_driver(&acpi_bay_driver); } postcore_initcall(bay_init); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index be9a878557c7..0c93cd400ddb 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -39,7 +39,7 @@ #include <acpi/acpi_drivers.h> #define _COMPONENT ACPI_BUS_COMPONENT -ACPI_MODULE_NAME("acpi_bus") +ACPI_MODULE_NAME("bus"); #ifdef CONFIG_X86 extern void __init acpi_pic_sci_set_trigger(unsigned int irq, u16 trigger); #endif diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index c726612fafb6..cb4110b50cd0 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -34,7 +34,6 @@ #include <acpi/acpi_drivers.h> #define ACPI_BUTTON_COMPONENT 0x00080000 -#define ACPI_BUTTON_DRIVER_NAME "ACPI Button Driver" #define ACPI_BUTTON_CLASS "button" #define ACPI_BUTTON_FILE_INFO "info" #define ACPI_BUTTON_FILE_STATE "state" @@ -61,10 +60,10 @@ #define ACPI_BUTTON_TYPE_LID 0x05 #define _COMPONENT ACPI_BUTTON_COMPONENT -ACPI_MODULE_NAME("acpi_button") +ACPI_MODULE_NAME("button"); MODULE_AUTHOR("Paul Diefenbaugh"); -MODULE_DESCRIPTION(ACPI_BUTTON_DRIVER_NAME); +MODULE_DESCRIPTION("ACPI Button Driver"); MODULE_LICENSE("GPL"); static int acpi_button_add(struct acpi_device *device); @@ -73,7 +72,7 @@ static int acpi_button_info_open_fs(struct inode *inode, struct file *file); static int acpi_button_state_open_fs(struct inode *inode, struct file *file); static struct acpi_driver acpi_button_driver = { - .name = ACPI_BUTTON_DRIVER_NAME, + .name = "button", .class = ACPI_BUTTON_CLASS, .ids = "button_power,button_sleep,PNP0C0D,PNP0C0C,PNP0C0E", .ops = { diff --git a/drivers/acpi/cm_sbs.c b/drivers/acpi/cm_sbs.c index 4a9b7bf6f44e..f9db4f444bd0 100644 --- a/drivers/acpi/cm_sbs.c +++ b/drivers/acpi/cm_sbs.c @@ -31,7 +31,7 @@ #include <acpi/actypes.h> #include <acpi/acutils.h> -ACPI_MODULE_NAME("cm_sbs") +ACPI_MODULE_NAME("cm_sbs"); #define ACPI_AC_CLASS "ac_adapter" #define ACPI_BATTERY_CLASS "battery" #define ACPI_SBS_COMPONENT 0x00080000 diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 69a68fd394cf..0930d9413dfa 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -35,7 +35,6 @@ #include <acpi/acpi_drivers.h> #include <acpi/container.h> -#define ACPI_CONTAINER_DRIVER_NAME "ACPI container driver" #define ACPI_CONTAINER_DEVICE_NAME "ACPI container device" #define ACPI_CONTAINER_CLASS "container" @@ -44,10 +43,10 @@ #define ACPI_CONTAINER_COMPONENT 0x01000000 #define _COMPONENT ACPI_CONTAINER_COMPONENT -ACPI_MODULE_NAME("acpi_container") +ACPI_MODULE_NAME("container"); - MODULE_AUTHOR("Anil S Keshavamurthy"); -MODULE_DESCRIPTION(ACPI_CONTAINER_DRIVER_NAME); +MODULE_AUTHOR("Anil S Keshavamurthy"); +MODULE_DESCRIPTION("ACPI container driver"); MODULE_LICENSE("GPL"); #define ACPI_STA_PRESENT (0x00000001) @@ -56,7 +55,7 @@ static int acpi_container_add(struct acpi_device *device); static int acpi_container_remove(struct acpi_device *device, int type); static struct acpi_driver acpi_container_driver = { - .name = ACPI_CONTAINER_DRIVER_NAME, + .name = "container", .class = ACPI_CONTAINER_CLASS, .ids = "ACPI0004,PNP0A05,PNP0A06", .ops = { diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c index d48f65a8f658..bf513e07b773 100644 --- a/drivers/acpi/debug.c +++ b/drivers/acpi/debug.c @@ -12,7 +12,7 @@ #include <acpi/acglobal.h> #define _COMPONENT ACPI_SYSTEM_COMPONENT -ACPI_MODULE_NAME("debug") +ACPI_MODULE_NAME("debug"); #ifdef MODULE_PARAM_PREFIX #undef MODULE_PARAM_PREFIX diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index 1cbe61905824..1683e5c5b94c 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -231,10 +231,8 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, * Obtain the method mutex if necessary. Do not acquire mutex for a * recursive call. */ - if (!walk_state || - !obj_desc->method.mutex->mutex.owner_thread || - (walk_state->thread != - obj_desc->method.mutex->mutex.owner_thread)) { + if (acpi_os_get_thread_id() != + obj_desc->method.mutex->mutex.owner_thread_id) { /* * Acquire the method mutex. This releases the interpreter if we * block (and reacquires it before it returns) @@ -248,14 +246,14 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, } /* Update the mutex and walk info and save the original sync_level */ + obj_desc->method.mutex->mutex.owner_thread_id = + acpi_os_get_thread_id(); if (walk_state) { obj_desc->method.mutex->mutex. original_sync_level = walk_state->thread->current_sync_level; - obj_desc->method.mutex->mutex.owner_thread = - walk_state->thread; walk_state->thread->current_sync_level = obj_desc->method.sync_level; } else { @@ -569,7 +567,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, acpi_os_release_mutex(method_desc->method.mutex->mutex. os_mutex); - method_desc->method.mutex->mutex.owner_thread = NULL; + method_desc->method.mutex->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED; } } diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 688e83a16906..54a697f9aa18 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -32,11 +32,11 @@ #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#define ACPI_DOCK_DRIVER_NAME "ACPI Dock Station Driver" +#define ACPI_DOCK_DRIVER_DESCRIPTION "ACPI Dock Station Driver" -ACPI_MODULE_NAME("dock") +ACPI_MODULE_NAME("dock"); MODULE_AUTHOR("Kristen Carlson Accardi"); -MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_NAME); +MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_DESCRIPTION); MODULE_LICENSE("GPL"); static struct atomic_notifier_head dock_notifier_list; @@ -741,7 +741,7 @@ static int dock_add(acpi_handle handle) goto dock_add_err; } - printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_NAME); + printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_DESCRIPTION); return 0; diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 743ce27fa0bb..ab6888373795 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -38,11 +38,10 @@ #include <acpi/actypes.h> #define _COMPONENT ACPI_EC_COMPONENT -ACPI_MODULE_NAME("acpi_ec") +ACPI_MODULE_NAME("ec"); #define ACPI_EC_COMPONENT 0x00100000 #define ACPI_EC_CLASS "embedded_controller" #define ACPI_EC_HID "PNP0C09" -#define ACPI_EC_DRIVER_NAME "ACPI Embedded Controller Driver" #define ACPI_EC_DEVICE_NAME "Embedded Controller" #define ACPI_EC_FILE_INFO "info" #undef PREFIX @@ -80,7 +79,7 @@ static int acpi_ec_stop(struct acpi_device *device, int type); static int acpi_ec_add(struct acpi_device *device); static struct acpi_driver acpi_ec_driver = { - .name = ACPI_EC_DRIVER_NAME, + .name = "ec", .class = ACPI_EC_CLASS, .ids = ACPI_EC_HID, .ops = { @@ -280,8 +279,10 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command, mutex_lock(&ec->lock); if (ec->global_lock) { status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); - if (ACPI_FAILURE(status)) + if (ACPI_FAILURE(status)) { + mutex_unlock(&ec->lock); return -ENODEV; + } } /* Make sure GPE is enabled before doing transaction */ diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c index 959a893c8d1f..3b23562e6f92 100644 --- a/drivers/acpi/event.c +++ b/drivers/acpi/event.c @@ -13,7 +13,7 @@ #include <acpi/acpi_drivers.h> #define _COMPONENT ACPI_SYSTEM_COMPONENT -ACPI_MODULE_NAME("event") +ACPI_MODULE_NAME("event"); /* Global vars for handling event proc entry */ static DEFINE_SPINLOCK(acpi_system_event_lock); diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c index dfac3ecc596e..635ba449ebc2 100644 --- a/drivers/acpi/events/evgpe.c +++ b/drivers/acpi/events/evgpe.c @@ -636,17 +636,6 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number) } } - if (!acpi_gbl_system_awake_and_running) { - /* - * We just woke up because of a wake GPE. Disable any further GPEs - * until we are fully up and running (Only wake GPEs should be enabled - * at this time, but we just brute-force disable them all.) - * 1) We must disable this particular wake GPE so it won't fire again - * 2) We want to disable all wake GPEs, since we are now awake - */ - (void)acpi_hw_disable_all_gpes(); - } - /* * Dispatch the GPE to either an installed handler, or the control method * associated with this GPE (_Lxx or _Exx). If a handler exists, we invoke diff --git a/drivers/acpi/events/evmisc.c b/drivers/acpi/events/evmisc.c index 1b784ffe54c3..d572700197f3 100644 --- a/drivers/acpi/events/evmisc.c +++ b/drivers/acpi/events/evmisc.c @@ -196,12 +196,11 @@ acpi_ev_queue_notify_request(struct acpi_namespace_node * node, notify_info->notify.value = (u16) notify_value; notify_info->notify.handler_obj = handler_obj; - status = - acpi_os_execute(OSL_NOTIFY_HANDLER, acpi_ev_notify_dispatch, - notify_info); - if (ACPI_FAILURE(status)) { - acpi_ut_delete_generic_state(notify_info); - } + acpi_ex_relinquish_interpreter(); + + acpi_ev_notify_dispatch(notify_info); + + acpi_ex_reacquire_interpreter(); } if (!handler_obj) { diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c index 68d283fd60e7..1a73c14df2c5 100644 --- a/drivers/acpi/executer/exdump.c +++ b/drivers/acpi/executer/exdump.c @@ -134,7 +134,7 @@ static struct acpi_exdump_info acpi_ex_dump_method[8] = { static struct acpi_exdump_info acpi_ex_dump_mutex[5] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_mutex), NULL}, {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(mutex.sync_level), "Sync Level"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"}, + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread_id), "Owner Thread"}, {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth), "Acquire Depth"}, {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"} diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index 5101bad5baf8..4eb883bda6ae 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -66,10 +66,9 @@ acpi_ex_link_mutex(union acpi_operand_object *obj_desc, * ******************************************************************************/ -void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc) +void acpi_ex_unlink_mutex(union acpi_operand_object *obj_desc, + struct acpi_thread_state *thread) { - struct acpi_thread_state *thread = obj_desc->mutex.owner_thread; - if (!thread) { return; } @@ -174,16 +173,13 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, /* Support for multiple acquires by the owning thread */ - if (obj_desc->mutex.owner_thread) { - if (obj_desc->mutex.owner_thread->thread_id == - walk_state->thread->thread_id) { - /* - * The mutex is already owned by this thread, just increment the - * acquisition depth - */ - obj_desc->mutex.acquisition_depth++; - return_ACPI_STATUS(AE_OK); - } + if (obj_desc->mutex.owner_thread_id == acpi_os_get_thread_id()) { + /* + * The mutex is already owned by this thread, just increment the + * acquisition depth + */ + obj_desc->mutex.acquisition_depth++; + return_ACPI_STATUS(AE_OK); } /* Acquire the mutex, wait if necessary. Special case for Global Lock */ @@ -206,7 +202,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, /* Have the mutex: update mutex and walk info and save the sync_level */ - obj_desc->mutex.owner_thread = walk_state->thread; + obj_desc->mutex.owner_thread_id = acpi_os_get_thread_id(); obj_desc->mutex.acquisition_depth = 1; obj_desc->mutex.original_sync_level = walk_state->thread->current_sync_level; @@ -246,7 +242,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, /* The mutex must have been previously acquired in order to release it */ - if (!obj_desc->mutex.owner_thread) { + if (!obj_desc->mutex.owner_thread_id) { ACPI_ERROR((AE_INFO, "Cannot release Mutex [%4.4s], not acquired", acpi_ut_get_node_name(obj_desc->mutex.node))); @@ -266,14 +262,14 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, * The Mutex is owned, but this thread must be the owner. * Special case for Global Lock, any thread can release */ - if ((obj_desc->mutex.owner_thread->thread_id != + if ((obj_desc->mutex.owner_thread_id != walk_state->thread->thread_id) && (obj_desc->mutex.os_mutex != acpi_gbl_global_lock_mutex)) { ACPI_ERROR((AE_INFO, "Thread %lX cannot release Mutex [%4.4s] acquired by thread %lX", (unsigned long)walk_state->thread->thread_id, acpi_ut_get_node_name(obj_desc->mutex.node), - (unsigned long)obj_desc->mutex.owner_thread->thread_id)); + (unsigned long)obj_desc->mutex.owner_thread_id)); return_ACPI_STATUS(AE_AML_NOT_OWNER); } @@ -300,7 +296,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, /* Unlink the mutex from the owner's list */ - acpi_ex_unlink_mutex(obj_desc); + acpi_ex_unlink_mutex(obj_desc, walk_state->thread); /* Release the mutex, special case for Global Lock */ @@ -312,7 +308,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, /* Update the mutex and restore sync_level */ - obj_desc->mutex.owner_thread = NULL; + obj_desc->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED; walk_state->thread->current_sync_level = obj_desc->mutex.original_sync_level; @@ -367,7 +363,7 @@ void acpi_ex_release_all_mutexes(struct acpi_thread_state *thread) /* Mark mutex unowned */ - obj_desc->mutex.owner_thread = NULL; + obj_desc->mutex.owner_thread_id = ACPI_MUTEX_NOT_ACQUIRED; /* Update Thread sync_level (Last mutex is the important one) */ diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index af22fdf73413..ec655c539492 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -36,14 +36,13 @@ #define ACPI_FAN_COMPONENT 0x00200000 #define ACPI_FAN_CLASS "fan" -#define ACPI_FAN_DRIVER_NAME "ACPI Fan Driver" #define ACPI_FAN_FILE_STATE "state" #define _COMPONENT ACPI_FAN_COMPONENT -ACPI_MODULE_NAME("acpi_fan") +ACPI_MODULE_NAME("fan"); - MODULE_AUTHOR("Paul Diefenbaugh"); -MODULE_DESCRIPTION(ACPI_FAN_DRIVER_NAME); +MODULE_AUTHOR("Paul Diefenbaugh"); +MODULE_DESCRIPTION("ACPI Fan Driver"); MODULE_LICENSE("GPL"); static int acpi_fan_add(struct acpi_device *device); @@ -52,7 +51,7 @@ static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state); static int acpi_fan_resume(struct acpi_device *device); static struct acpi_driver acpi_fan_driver = { - .name = ACPI_FAN_DRIVER_NAME, + .name = "fan", .class = ACPI_FAN_CLASS, .ids = "PNP0C0B", .ops = { diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 7b6c9ff9bebe..4334c208841a 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -241,3 +241,65 @@ static int __init init_acpi_device_notify(void) } arch_initcall(init_acpi_device_notify); + + +#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE) + +/* Every ACPI platform has a mc146818 compatible "cmos rtc". Here we find + * its device node and pass extra config data. This helps its driver use + * capabilities that the now-obsolete mc146818 didn't have, and informs it + * that this board's RTC is wakeup-capable (per ACPI spec). + */ +#include <linux/mc146818rtc.h> + +static struct cmos_rtc_board_info rtc_info; + + +/* PNP devices are registered in a subsys_initcall(); + * ACPI specifies the PNP IDs to use. + */ +#include <linux/pnp.h> + +static int __init pnp_match(struct device *dev, void *data) +{ + static const char *ids[] = { "PNP0b00", "PNP0b01", "PNP0b02", }; + struct pnp_dev *pnp = to_pnp_dev(dev); + int i; + + for (i = 0; i < ARRAY_SIZE(ids); i++) { + if (compare_pnp_id(pnp->id, ids[i]) != 0) + return 1; + } + return 0; +} + +static struct device *__init get_rtc_dev(void) +{ + return bus_find_device(&pnp_bus_type, NULL, NULL, pnp_match); +} + +static int __init acpi_rtc_init(void) +{ + struct device *dev = get_rtc_dev(); + + if (dev) { + rtc_info.rtc_day_alarm = acpi_gbl_FADT.day_alarm; + rtc_info.rtc_mon_alarm = acpi_gbl_FADT.month_alarm; + rtc_info.rtc_century = acpi_gbl_FADT.century; + + /* NOTE: acpi_gbl_FADT->rtcs4 is NOT currently useful */ + + dev->platform_data = &rtc_info; + + /* RTC always wakes from S1/S2/S3, and often S4/STD */ + device_init_wakeup(dev, 1); + + put_device(dev); + } else + pr_debug("ACPI: RTC unavailable?\n"); + return 0; +} +/* do this between RTC subsys_initcall() and rtc_cmos driver_initcall() */ +fs_initcall(acpi_rtc_init); + +#endif diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c deleted file mode 100644 index 8edfb92f7ede..000000000000 --- a/drivers/acpi/hotkey.c +++ /dev/null @@ -1,1042 +0,0 @@ -/* - * hotkey.c - ACPI Hotkey Driver ($Revision: 0.2 $) - * - * Copyright (C) 2004 Luming Yu <luming.yu@intel.com> - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or (at - * your option) any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. - * - * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - */ -#include <linux/kernel.h> -#include <linux/module.h> -#include <linux/init.h> -#include <linux/types.h> -#include <linux/proc_fs.h> -#include <linux/sched.h> -#include <linux/kmod.h> -#include <linux/seq_file.h> -#include <acpi/acpi_drivers.h> -#include <acpi/acpi_bus.h> -#include <asm/uaccess.h> - -#define HOTKEY_ACPI_VERSION "0.1" - -#define HOTKEY_PROC "hotkey" -#define HOTKEY_EV_CONFIG "event_config" -#define HOTKEY_PL_CONFIG "poll_config" -#define HOTKEY_ACTION "action" -#define HOTKEY_INFO "info" - -#define ACPI_HOTK_NAME "Generic Hotkey Driver" -#define ACPI_HOTK_CLASS "Hotkey" -#define ACPI_HOTK_DEVICE_NAME "Hotkey" -#define ACPI_HOTK_HID "Unknown?" -#define ACPI_HOTKEY_COMPONENT 0x20000000 - -#define ACPI_HOTKEY_EVENT 0x1 -#define ACPI_HOTKEY_POLLING 0x2 -#define ACPI_UNDEFINED_EVENT 0xf - -#define RESULT_STR_LEN 80 - -#define ACTION_METHOD 0 -#define POLL_METHOD 1 - -#define IS_EVENT(e) ((e) <= 10000 && (e) >0) -#define IS_POLL(e) ((e) > 10000) -#define IS_OTHERS(e) ((e)<=0 || (e)>=20000) -#define _COMPONENT ACPI_HOTKEY_COMPONENT -ACPI_MODULE_NAME("acpi_hotkey") - - MODULE_AUTHOR("luming.yu@intel.com"); -MODULE_DESCRIPTION(ACPI_HOTK_NAME); -MODULE_LICENSE("GPL"); - -/* standardized internal hotkey number/event */ -enum { - /* Video Extension event */ - HK_EVENT_CYCLE_OUTPUT_DEVICE = 0x80, - HK_EVENT_OUTPUT_DEVICE_STATUS_CHANGE, - HK_EVENT_CYCLE_DISPLAY_OUTPUT, - HK_EVENT_NEXT_DISPLAY_OUTPUT, - HK_EVENT_PREVIOUS_DISPLAY_OUTPUT, - HK_EVENT_CYCLE_BRIGHTNESS, - HK_EVENT_INCREASE_BRIGHTNESS, - HK_EVENT_DECREASE_BRIGHTNESS, - HK_EVENT_ZERO_BRIGHTNESS, - HK_EVENT_DISPLAY_DEVICE_OFF, - - /* Snd Card event */ - HK_EVENT_VOLUME_MUTE, - HK_EVENT_VOLUME_INCLREASE, - HK_EVENT_VOLUME_DECREASE, - - /* running state control */ - HK_EVENT_ENTERRING_S3, - HK_EVENT_ENTERRING_S4, - HK_EVENT_ENTERRING_S5, -}; - -enum conf_entry_enum { - bus_handle = 0, - bus_method = 1, - action_handle = 2, - method = 3, - LAST_CONF_ENTRY -}; - -/* procdir we use */ -static struct proc_dir_entry *hotkey_proc_dir; -static struct proc_dir_entry *hotkey_config; -static struct proc_dir_entry *hotkey_poll_config; -static struct proc_dir_entry *hotkey_action; -static struct proc_dir_entry *hotkey_info; - -/* linkage for all type of hotkey */ -struct acpi_hotkey_link { - struct list_head entries; - int hotkey_type; /* event or polling based hotkey */ - int hotkey_standard_num; /* standardized hotkey(event) number */ -}; - -/* event based hotkey */ -struct acpi_event_hotkey { - struct acpi_hotkey_link hotkey_link; - int flag; - acpi_handle bus_handle; /* bus to install notify handler */ - int external_hotkey_num; /* external hotkey/event number */ - acpi_handle action_handle; /* acpi handle attached aml action method */ - char *action_method; /* action method */ -}; - -/* - * There are two ways to poll status - * 1. directy call read_xxx method, without any arguments passed in - * 2. call write_xxx method, with arguments passed in, you need - * the result is saved in acpi_polling_hotkey.poll_result. - * anthoer read command through polling interface. - * - */ - -/* polling based hotkey */ -struct acpi_polling_hotkey { - struct acpi_hotkey_link hotkey_link; - int flag; - acpi_handle poll_handle; /* acpi handle attached polling method */ - char *poll_method; /* poll method */ - acpi_handle action_handle; /* acpi handle attached action method */ - char *action_method; /* action method */ - union acpi_object *poll_result; /* polling_result */ - struct proc_dir_entry *proc; -}; - -/* hotkey object union */ -union acpi_hotkey { - struct list_head entries; - struct acpi_hotkey_link link; - struct acpi_event_hotkey event_hotkey; - struct acpi_polling_hotkey poll_hotkey; -}; - -/* hotkey object list */ -struct acpi_hotkey_list { - struct list_head *entries; - int count; -}; - -static int auto_hotkey_add(struct acpi_device *device); -static int auto_hotkey_remove(struct acpi_device *device, int type); - -static struct acpi_driver hotkey_driver = { - .name = ACPI_HOTK_NAME, - .class = ACPI_HOTK_CLASS, - .ids = ACPI_HOTK_HID, - .ops = { - .add = auto_hotkey_add, - .remove = auto_hotkey_remove, - }, -}; - -static void free_hotkey_device(union acpi_hotkey *key); -static void free_hotkey_buffer(union acpi_hotkey *key); -static void free_poll_hotkey_buffer(union acpi_hotkey *key); -static int hotkey_open_config(struct inode *inode, struct file *file); -static int hotkey_poll_open_config(struct inode *inode, struct file *file); -static ssize_t hotkey_write_config(struct file *file, - const char __user * buffer, - size_t count, loff_t * data); -static int hotkey_info_open_fs(struct inode *inode, struct file *file); -static int hotkey_action_open_fs(struct inode *inode, struct file *file); -static ssize_t hotkey_execute_aml_method(struct file *file, - const char __user * buffer, - size_t count, loff_t * data); -static int hotkey_config_seq_show(struct seq_file *seq, void *offset); -static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset); -static int hotkey_polling_open_fs(struct inode *inode, struct file *file); -static union acpi_hotkey *get_hotkey_by_event(struct - acpi_hotkey_list - *hotkey_list, int event); - -/* event based config */ -static const struct file_operations hotkey_config_fops = { - .open = hotkey_open_config, - .read = seq_read, - .write = hotkey_write_config, - .llseek = seq_lseek, - .release = single_release, -}; - -/* polling based config */ -static const struct file_operations hotkey_poll_config_fops = { - .open = hotkey_poll_open_config, - .read = seq_read, - .write = hotkey_write_config, - .llseek = seq_lseek, - .release = single_release, -}; - -/* hotkey driver info */ -static const struct file_operations hotkey_info_fops = { - .open = hotkey_info_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -/* action */ -static const struct file_operations hotkey_action_fops = { - .open = hotkey_action_open_fs, - .read = seq_read, - .write = hotkey_execute_aml_method, - .llseek = seq_lseek, - .release = single_release, -}; - -/* polling results */ -static const struct file_operations hotkey_polling_fops = { - .open = hotkey_polling_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -struct acpi_hotkey_list global_hotkey_list; /* link all ev or pl hotkey */ -struct list_head hotkey_entries; /* head of the list of hotkey_list */ - -static int hotkey_info_seq_show(struct seq_file *seq, void *offset) -{ - - seq_printf(seq, "Hotkey generic driver ver: %s\n", HOTKEY_ACPI_VERSION); - - return 0; -} - -static int hotkey_info_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, hotkey_info_seq_show, PDE(inode)->data); -} - -static char *format_result(union acpi_object *object) -{ - char *buf; - - buf = kzalloc(RESULT_STR_LEN, GFP_KERNEL); - if (!buf) - return NULL; - /* Now, just support integer type */ - if (object->type == ACPI_TYPE_INTEGER) - sprintf(buf, "%d\n", (u32) object->integer.value); - return buf; -} - -static int hotkey_polling_seq_show(struct seq_file *seq, void *offset) -{ - struct acpi_polling_hotkey *poll_hotkey = seq->private; - char *buf; - - - if (poll_hotkey->poll_result) { - buf = format_result(poll_hotkey->poll_result); - if (buf) - seq_printf(seq, "%s", buf); - kfree(buf); - } - return 0; -} - -static int hotkey_polling_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, hotkey_polling_seq_show, PDE(inode)->data); -} - -static int hotkey_action_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, hotkey_info_seq_show, PDE(inode)->data); -} - -/* Mapping external hotkey number to standardized hotkey event num */ -static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list) -{ - struct list_head *entries; - int val = -1; - - - list_for_each(entries, list->entries) { - union acpi_hotkey *key = - container_of(entries, union acpi_hotkey, entries); - if (key->link.hotkey_type == ACPI_HOTKEY_EVENT - && key->event_hotkey.external_hotkey_num == event) { - val = key->link.hotkey_standard_num; - break; - } - } - - return val; -} - -static void -acpi_hotkey_notify_handler(acpi_handle handle, u32 event, void *data) -{ - struct acpi_device *device = NULL; - u32 internal_event; - - - if (acpi_bus_get_device(handle, &device)) - return; - - internal_event = hotkey_get_internal_event(event, &global_hotkey_list); - acpi_bus_generate_event(device, internal_event, 0); - - return; -} - -/* Need to invent automatically hotkey add method */ -static int auto_hotkey_add(struct acpi_device *device) -{ - /* Implement me */ - return 0; -} - -/* Need to invent automatically hotkey remove method */ -static int auto_hotkey_remove(struct acpi_device *device, int type) -{ - /* Implement me */ - return 0; -} - -/* Create a proc file for each polling method */ -static int create_polling_proc(union acpi_hotkey *device) -{ - struct proc_dir_entry *proc; - char proc_name[80]; - mode_t mode; - - mode = S_IFREG | S_IRUGO | S_IWUGO; - - sprintf(proc_name, "%d", device->link.hotkey_standard_num); - /* - strcat(proc_name, device->poll_hotkey.poll_method); - */ - proc = create_proc_entry(proc_name, mode, hotkey_proc_dir); - - if (!proc) { - return -ENODEV; - } else { - proc->proc_fops = &hotkey_polling_fops; - proc->owner = THIS_MODULE; - proc->data = device; - proc->uid = 0; - proc->gid = 0; - device->poll_hotkey.proc = proc; - } - return 0; -} - -static int hotkey_add(union acpi_hotkey *device) -{ - int status = 0; - struct acpi_device *dev = NULL; - - - if (device->link.hotkey_type == ACPI_HOTKEY_EVENT) { - acpi_bus_get_device(device->event_hotkey.bus_handle, &dev); - status = acpi_install_notify_handler(dev->handle, - ACPI_DEVICE_NOTIFY, - acpi_hotkey_notify_handler, - dev); - } else /* Add polling hotkey */ - create_polling_proc(device); - - global_hotkey_list.count++; - - list_add_tail(&device->link.entries, global_hotkey_list.entries); - - return status; -} - -static int hotkey_remove(union acpi_hotkey *device) -{ - struct list_head *entries, *next; - - - list_for_each_safe(entries, next, global_hotkey_list.entries) { - union acpi_hotkey *key = - container_of(entries, union acpi_hotkey, entries); - if (key->link.hotkey_standard_num == - device->link.hotkey_standard_num) { - list_del(&key->link.entries); - free_hotkey_device(key); - global_hotkey_list.count--; - break; - } - } - kfree(device); - return 0; -} - -static int hotkey_update(union acpi_hotkey *key) -{ - struct list_head *entries; - - - list_for_each(entries, global_hotkey_list.entries) { - union acpi_hotkey *tmp = - container_of(entries, union acpi_hotkey, entries); - if (tmp->link.hotkey_standard_num == - key->link.hotkey_standard_num) { - if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) { - free_hotkey_buffer(tmp); - tmp->event_hotkey.bus_handle = - key->event_hotkey.bus_handle; - tmp->event_hotkey.external_hotkey_num = - key->event_hotkey.external_hotkey_num; - tmp->event_hotkey.action_handle = - key->event_hotkey.action_handle; - tmp->event_hotkey.action_method = - key->event_hotkey.action_method; - kfree(key); - } else { - /* - char proc_name[80]; - - sprintf(proc_name, "%d", tmp->link.hotkey_standard_num); - strcat(proc_name, tmp->poll_hotkey.poll_method); - remove_proc_entry(proc_name,hotkey_proc_dir); - */ - free_poll_hotkey_buffer(tmp); - tmp->poll_hotkey.poll_handle = - key->poll_hotkey.poll_handle; - tmp->poll_hotkey.poll_method = - key->poll_hotkey.poll_method; - tmp->poll_hotkey.action_handle = - key->poll_hotkey.action_handle; - tmp->poll_hotkey.action_method = - key->poll_hotkey.action_method; - tmp->poll_hotkey.poll_result = - key->poll_hotkey.poll_result; - /* - create_polling_proc(tmp); - */ - kfree(key); - } - return 0; - break; - } - } - - return -ENODEV; -} - -static void free_hotkey_device(union acpi_hotkey *key) -{ - struct acpi_device *dev; - - - if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) { - acpi_bus_get_device(key->event_hotkey.bus_handle, &dev); - if (dev->handle) - acpi_remove_notify_handler(dev->handle, - ACPI_DEVICE_NOTIFY, - acpi_hotkey_notify_handler); - free_hotkey_buffer(key); - } else { - char proc_name[80]; - - sprintf(proc_name, "%d", key->link.hotkey_standard_num); - /* - strcat(proc_name, key->poll_hotkey.poll_method); - */ - remove_proc_entry(proc_name, hotkey_proc_dir); - free_poll_hotkey_buffer(key); - } - kfree(key); - return; -} - -static void free_hotkey_buffer(union acpi_hotkey *key) -{ - /* key would never be null, action method could be */ - kfree(key->event_hotkey.action_method); -} - -static void free_poll_hotkey_buffer(union acpi_hotkey *key) -{ - /* key would never be null, others could be*/ - kfree(key->poll_hotkey.action_method); - kfree(key->poll_hotkey.poll_method); - kfree(key->poll_hotkey.poll_result); -} -static int -init_hotkey_device(union acpi_hotkey *key, char **config_entry, - int std_num, int external_num) -{ - acpi_handle tmp_handle; - acpi_status status = AE_OK; - - if (std_num < 0 || IS_POLL(std_num) || !key) - goto do_fail; - - if (!config_entry[bus_handle] || !config_entry[action_handle] - || !config_entry[method]) - goto do_fail; - - key->link.hotkey_type = ACPI_HOTKEY_EVENT; - key->link.hotkey_standard_num = std_num; - key->event_hotkey.flag = 0; - key->event_hotkey.action_method = config_entry[method]; - - status = acpi_get_handle(NULL, config_entry[bus_handle], - &(key->event_hotkey.bus_handle)); - if (ACPI_FAILURE(status)) - goto do_fail_zero; - key->event_hotkey.external_hotkey_num = external_num; - status = acpi_get_handle(NULL, config_entry[action_handle], - &(key->event_hotkey.action_handle)); - if (ACPI_FAILURE(status)) - goto do_fail_zero; - status = acpi_get_handle(key->event_hotkey.action_handle, - config_entry[method], &tmp_handle); - if (ACPI_FAILURE(status)) - goto do_fail_zero; - return AE_OK; -do_fail_zero: - key->event_hotkey.action_method = NULL; -do_fail: - return -ENODEV; -} - -static int -init_poll_hotkey_device(union acpi_hotkey *key, char **config_entry, - int std_num) -{ - acpi_status status = AE_OK; - acpi_handle tmp_handle; - - if (std_num < 0 || IS_EVENT(std_num) || !key) - goto do_fail; - if (!config_entry[bus_handle] ||!config_entry[bus_method] || - !config_entry[action_handle] || !config_entry[method]) - goto do_fail; - - key->link.hotkey_type = ACPI_HOTKEY_POLLING; - key->link.hotkey_standard_num = std_num; - key->poll_hotkey.flag = 0; - key->poll_hotkey.poll_method = config_entry[bus_method]; - key->poll_hotkey.action_method = config_entry[method]; - - status = acpi_get_handle(NULL, config_entry[bus_handle], - &(key->poll_hotkey.poll_handle)); - if (ACPI_FAILURE(status)) - goto do_fail_zero; - status = acpi_get_handle(key->poll_hotkey.poll_handle, - config_entry[bus_method], &tmp_handle); - if (ACPI_FAILURE(status)) - goto do_fail_zero; - status = - acpi_get_handle(NULL, config_entry[action_handle], - &(key->poll_hotkey.action_handle)); - if (ACPI_FAILURE(status)) - goto do_fail_zero; - status = acpi_get_handle(key->poll_hotkey.action_handle, - config_entry[method], &tmp_handle); - if (ACPI_FAILURE(status)) - goto do_fail_zero; - key->poll_hotkey.poll_result = - kmalloc(sizeof(union acpi_object), GFP_KERNEL); - if (!key->poll_hotkey.poll_result) - goto do_fail_zero; - return AE_OK; - -do_fail_zero: - key->poll_hotkey.poll_method = NULL; - key->poll_hotkey.action_method = NULL; -do_fail: - return -ENODEV; -} - -static int hotkey_open_config(struct inode *inode, struct file *file) -{ - return (single_open - (file, hotkey_config_seq_show, PDE(inode)->data)); -} - -static int hotkey_poll_open_config(struct inode *inode, struct file *file) -{ - return (single_open - (file, hotkey_poll_config_seq_show, PDE(inode)->data)); -} - -static int hotkey_config_seq_show(struct seq_file *seq, void *offset) -{ - struct acpi_hotkey_list *hotkey_list = &global_hotkey_list; - struct list_head *entries; - char bus_name[ACPI_PATHNAME_MAX] = { 0 }; - char action_name[ACPI_PATHNAME_MAX] = { 0 }; - struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name }; - struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name }; - - - list_for_each(entries, hotkey_list->entries) { - union acpi_hotkey *key = - container_of(entries, union acpi_hotkey, entries); - if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) { - acpi_get_name(key->event_hotkey.bus_handle, - ACPI_NAME_TYPE_MAX, &bus); - acpi_get_name(key->event_hotkey.action_handle, - ACPI_NAME_TYPE_MAX, &act); - seq_printf(seq, "%s:%s:%s:%d:%d\n", bus_name, - action_name, - key->event_hotkey.action_method, - key->link.hotkey_standard_num, - key->event_hotkey.external_hotkey_num); - } - } - seq_puts(seq, "\n"); - return 0; -} - -static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset) -{ - struct acpi_hotkey_list *hotkey_list = &global_hotkey_list; - struct list_head *entries; - char bus_name[ACPI_PATHNAME_MAX] = { 0 }; - char action_name[ACPI_PATHNAME_MAX] = { 0 }; - struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name }; - struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name }; - - - list_for_each(entries, hotkey_list->entries) { - union acpi_hotkey *key = - container_of(entries, union acpi_hotkey, entries); - if (key->link.hotkey_type == ACPI_HOTKEY_POLLING) { - acpi_get_name(key->poll_hotkey.poll_handle, - ACPI_NAME_TYPE_MAX, &bus); - acpi_get_name(key->poll_hotkey.action_handle, - ACPI_NAME_TYPE_MAX, &act); - seq_printf(seq, "%s:%s:%s:%s:%d\n", bus_name, - key->poll_hotkey.poll_method, - action_name, - key->poll_hotkey.action_method, - key->link.hotkey_standard_num); - } - } - seq_puts(seq, "\n"); - return 0; -} - -static int -get_parms(char *config_record, int *cmd, char **config_entry, - int *internal_event_num, int *external_event_num) -{ -/* the format of *config_record = - * "1:\d+:*" : "cmd:internal_event_num" - * "\d+:\w+:\w+:\w+:\w+:\d+:\d+" : - * "cmd:bus_handle:bus_method:action_handle:method:internal_event_num:external_event_num" - */ - char *tmp, *tmp1, count; - int i; - - sscanf(config_record, "%d", cmd); - if (*cmd == 1) { - if (sscanf(config_record, "%d:%d", cmd, internal_event_num) != - 2) - goto do_fail; - else - return (6); - } - tmp = strchr(config_record, ':'); - if (!tmp) - goto do_fail; - tmp++; - for (i = 0; i < LAST_CONF_ENTRY; i++) { - tmp1 = strchr(tmp, ':'); - if (!tmp1) { - goto do_fail; - } - count = tmp1 - tmp; - config_entry[i] = kzalloc(count + 1, GFP_KERNEL); - if (!config_entry[i]) - goto handle_failure; - strncpy(config_entry[i], tmp, count); - tmp = tmp1 + 1; - } - if (sscanf(tmp, "%d:%d", internal_event_num, external_event_num) <= 0) - goto handle_failure; - if (!IS_OTHERS(*internal_event_num)) { - return 6; - } -handle_failure: - while (i-- > 0) - kfree(config_entry[i]); -do_fail: - return -1; -} - -/* count is length for one input record */ -static ssize_t hotkey_write_config(struct file *file, - const char __user * buffer, - size_t count, loff_t * data) -{ - char *config_record = NULL; - char *config_entry[LAST_CONF_ENTRY]; - int cmd, internal_event_num, external_event_num; - int ret = 0; - union acpi_hotkey *key = kzalloc(sizeof(union acpi_hotkey), GFP_KERNEL); - - if (!key) - return -ENOMEM; - - config_record = kzalloc(count + 1, GFP_KERNEL); - if (!config_record) { - kfree(key); - return -ENOMEM; - } - - if (copy_from_user(config_record, buffer, count)) { - kfree(config_record); - kfree(key); - printk(KERN_ERR PREFIX "Invalid data\n"); - return -EINVAL; - } - ret = get_parms(config_record, &cmd, config_entry, - &internal_event_num, &external_event_num); - kfree(config_record); - if (ret != 6) { - printk(KERN_ERR PREFIX "Invalid data format ret=%d\n", ret); - return -EINVAL; - } - - if (cmd == 1) { - union acpi_hotkey *tmp = NULL; - tmp = get_hotkey_by_event(&global_hotkey_list, - internal_event_num); - if (!tmp) - printk(KERN_ERR PREFIX "Invalid key\n"); - else - memcpy(key, tmp, sizeof(union acpi_hotkey)); - goto cont_cmd; - } - if (IS_EVENT(internal_event_num)) { - if (init_hotkey_device(key, config_entry, - internal_event_num, external_event_num)) - goto init_hotkey_fail; - } else { - if (init_poll_hotkey_device(key, config_entry, - internal_event_num)) - goto init_poll_hotkey_fail; - } -cont_cmd: - switch (cmd) { - case 0: - if (get_hotkey_by_event(&global_hotkey_list, - key->link.hotkey_standard_num)) - goto fail_out; - else - hotkey_add(key); - break; - case 1: - hotkey_remove(key); - break; - case 2: - /* key is kfree()ed if matched*/ - if (hotkey_update(key)) - goto fail_out; - break; - default: - goto fail_out; - break; - } - return count; - -init_poll_hotkey_fail: /* failed init_poll_hotkey_device */ - kfree(config_entry[bus_method]); - config_entry[bus_method] = NULL; -init_hotkey_fail: /* failed init_hotkey_device */ - kfree(config_entry[method]); -fail_out: - kfree(config_entry[bus_handle]); - kfree(config_entry[action_handle]); - /* No double free since elements =NULL for error cases */ - if (IS_EVENT(internal_event_num)) { - if (config_entry[bus_method]) - kfree(config_entry[bus_method]); - free_hotkey_buffer(key); /* frees [method] */ - } else - free_poll_hotkey_buffer(key); /* frees [bus_method]+[method] */ - kfree(key); - printk(KERN_ERR PREFIX "invalid key\n"); - return -EINVAL; -} - -/* - * This function evaluates an ACPI method, given an int as parameter, the - * method is searched within the scope of the handle, can be NULL. The output - * of the method is written is output, which can also be NULL - * - * returns 1 if write is successful, 0 else. - */ -static int write_acpi_int(acpi_handle handle, const char *method, int val, - struct acpi_buffer *output) -{ - struct acpi_object_list params; /* list of input parameters (an int here) */ - union acpi_object in_obj; /* the only param we use */ - acpi_status status; - - params.count = 1; - params.pointer = &in_obj; - in_obj.type = ACPI_TYPE_INTEGER; - in_obj.integer.value = val; - - status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); - - return (status == AE_OK); -} - -static int read_acpi_int(acpi_handle handle, const char *method, - union acpi_object *val) -{ - struct acpi_buffer output; - union acpi_object out_obj; - acpi_status status; - - output.length = sizeof(out_obj); - output.pointer = &out_obj; - - status = acpi_evaluate_object(handle, (char *)method, NULL, &output); - if (val) { - val->integer.value = out_obj.integer.value; - val->type = out_obj.type; - } else - printk(KERN_ERR PREFIX "null val pointer\n"); - return ((status == AE_OK) - && (out_obj.type == ACPI_TYPE_INTEGER)); -} - -static union acpi_hotkey *get_hotkey_by_event(struct - acpi_hotkey_list - *hotkey_list, int event) -{ - struct list_head *entries; - - list_for_each(entries, hotkey_list->entries) { - union acpi_hotkey *key = - container_of(entries, union acpi_hotkey, entries); - if (key->link.hotkey_standard_num == event) { - return (key); - } - } - return (NULL); -} - -/* - * user call AML method interface: - * Call convention: - * echo "event_num: arg type : value" - * example: echo "1:1:30" > /proc/acpi/action - * Just support 1 integer arg passing to AML method - */ - -static ssize_t hotkey_execute_aml_method(struct file *file, - const char __user * buffer, - size_t count, loff_t * data) -{ - struct acpi_hotkey_list *hotkey_list = &global_hotkey_list; - char *arg; - int event, method_type, type, value; - union acpi_hotkey *key; - - - arg = kzalloc(count + 1, GFP_KERNEL); - if (!arg) - return -ENOMEM; - - if (copy_from_user(arg, buffer, count)) { - kfree(arg); - printk(KERN_ERR PREFIX "Invalid argument 2\n"); - return -EINVAL; - } - - if (sscanf(arg, "%d:%d:%d:%d", &event, &method_type, &type, &value) != - 4) { - kfree(arg); - printk(KERN_ERR PREFIX "Invalid argument 3\n"); - return -EINVAL; - } - kfree(arg); - if (type == ACPI_TYPE_INTEGER) { - key = get_hotkey_by_event(hotkey_list, event); - if (!key) - goto do_fail; - if (IS_EVENT(event)) - write_acpi_int(key->event_hotkey.action_handle, - key->event_hotkey.action_method, value, - NULL); - else if (IS_POLL(event)) { - if (method_type == POLL_METHOD) - read_acpi_int(key->poll_hotkey.poll_handle, - key->poll_hotkey.poll_method, - key->poll_hotkey.poll_result); - else if (method_type == ACTION_METHOD) - write_acpi_int(key->poll_hotkey.action_handle, - key->poll_hotkey.action_method, - value, NULL); - else - goto do_fail; - - } - } else { - printk(KERN_WARNING "Not supported\n"); - return -EINVAL; - } - return count; - do_fail: - return -EINVAL; - -} - -static int __init hotkey_init(void) -{ - int result; - mode_t mode = S_IFREG | S_IRUGO | S_IWUGO; - - - if (acpi_disabled) - return -ENODEV; - - if (acpi_specific_hotkey_enabled) { - printk("Using specific hotkey driver\n"); - return -ENODEV; - } - - hotkey_proc_dir = proc_mkdir(HOTKEY_PROC, acpi_root_dir); - if (!hotkey_proc_dir) { - return (-ENODEV); - } - hotkey_proc_dir->owner = THIS_MODULE; - - hotkey_config = - create_proc_entry(HOTKEY_EV_CONFIG, mode, hotkey_proc_dir); - if (!hotkey_config) { - goto do_fail1; - } else { - hotkey_config->proc_fops = &hotkey_config_fops; - hotkey_config->data = &global_hotkey_list; - hotkey_config->owner = THIS_MODULE; - hotkey_config->uid = 0; - hotkey_config->gid = 0; - } - - hotkey_poll_config = - create_proc_entry(HOTKEY_PL_CONFIG, mode, hotkey_proc_dir); - if (!hotkey_poll_config) { - goto do_fail2; - } else { - hotkey_poll_config->proc_fops = &hotkey_poll_config_fops; - hotkey_poll_config->data = &global_hotkey_list; - hotkey_poll_config->owner = THIS_MODULE; - hotkey_poll_config->uid = 0; - hotkey_poll_config->gid = 0; - } - - hotkey_action = create_proc_entry(HOTKEY_ACTION, mode, hotkey_proc_dir); - if (!hotkey_action) { - goto do_fail3; - } else { - hotkey_action->proc_fops = &hotkey_action_fops; - hotkey_action->owner = THIS_MODULE; - hotkey_action->uid = 0; - hotkey_action->gid = 0; - } - - hotkey_info = create_proc_entry(HOTKEY_INFO, mode, hotkey_proc_dir); - if (!hotkey_info) { - goto do_fail4; - } else { - hotkey_info->proc_fops = &hotkey_info_fops; - hotkey_info->owner = THIS_MODULE; - hotkey_info->uid = 0; - hotkey_info->gid = 0; - } - - result = acpi_bus_register_driver(&hotkey_driver); - if (result < 0) - goto do_fail5; - global_hotkey_list.count = 0; - global_hotkey_list.entries = &hotkey_entries; - - INIT_LIST_HEAD(&hotkey_entries); - - return (0); - - do_fail5: - remove_proc_entry(HOTKEY_INFO, hotkey_proc_dir); - do_fail4: - remove_proc_entry(HOTKEY_ACTION, hotkey_proc_dir); - do_fail3: - remove_proc_entry(HOTKEY_PL_CONFIG, hotkey_proc_dir); - do_fail2: - remove_proc_entry(HOTKEY_EV_CONFIG, hotkey_proc_dir); - do_fail1: - remove_proc_entry(HOTKEY_PROC, acpi_root_dir); - return (-ENODEV); -} - -static void __exit hotkey_exit(void) -{ - struct list_head *entries, *next; - - - list_for_each_safe(entries, next, global_hotkey_list.entries) { - union acpi_hotkey *key = - container_of(entries, union acpi_hotkey, entries); - - acpi_os_wait_events_complete(NULL); - list_del(&key->link.entries); - global_hotkey_list.count--; - free_hotkey_device(key); - } - acpi_bus_unregister_driver(&hotkey_driver); - remove_proc_entry(HOTKEY_EV_CONFIG, hotkey_proc_dir); - remove_proc_entry(HOTKEY_PL_CONFIG, hotkey_proc_dir); - remove_proc_entry(HOTKEY_ACTION, hotkey_proc_dir); - remove_proc_entry(HOTKEY_INFO, hotkey_proc_dir); - remove_proc_entry(HOTKEY_PROC, acpi_root_dir); - return; -} - -module_init(hotkey_init); -module_exit(hotkey_exit); diff --git a/drivers/acpi/i2c_ec.c b/drivers/acpi/i2c_ec.c index 76ec8b63e69f..acab4a481897 100644 --- a/drivers/acpi/i2c_ec.c +++ b/drivers/acpi/i2c_ec.c @@ -27,18 +27,17 @@ #define ACPI_EC_HC_COMPONENT 0x00080000 #define ACPI_EC_HC_CLASS "ec_hc_smbus" #define ACPI_EC_HC_HID "ACPI0001" -#define ACPI_EC_HC_DRIVER_NAME "ACPI EC HC smbus driver" #define ACPI_EC_HC_DEVICE_NAME "EC HC smbus" #define _COMPONENT ACPI_EC_HC_COMPONENT -ACPI_MODULE_NAME("acpi_smbus") +ACPI_MODULE_NAME("i2c_ec"); static int acpi_ec_hc_add(struct acpi_device *device); static int acpi_ec_hc_remove(struct acpi_device *device, int type); static struct acpi_driver acpi_ec_hc_driver = { - .name = ACPI_EC_HC_DRIVER_NAME, + .name = "i2c_ec", .class = ACPI_EC_HC_CLASS, .ids = ACPI_EC_HC_HID, .ops = { diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c index c6144ca66638..1a0ed3dc409c 100644 --- a/drivers/acpi/ibm_acpi.c +++ b/drivers/acpi/ibm_acpi.c @@ -496,6 +496,10 @@ static int ibm_acpi_driver_init(void) printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION); printk(IBM_INFO "%s\n", IBM_URL); + if (ibm_thinkpad_ec_found) + printk(IBM_INFO "ThinkPad EC firmware %s\n", + ibm_thinkpad_ec_found); + return 0; } @@ -2617,7 +2621,7 @@ static void __init ibm_handle_init(char *name, ibm_handle_init(#object, &object##_handle, *object##_parent, \ object##_paths, ARRAY_SIZE(object##_paths), &object##_path) -static int set_ibm_param(const char *val, struct kernel_param *kp) +static int __init set_ibm_param(const char *val, struct kernel_param *kp) { unsigned int i; @@ -2659,7 +2663,8 @@ static void acpi_ibm_exit(void) for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--) ibm_exit(&ibms[i]); - remove_proc_entry(IBM_DIR, acpi_root_dir); + if (proc_dir) + remove_proc_entry(IBM_DIR, acpi_root_dir); if (ibm_thinkpad_ec_found) kfree(ibm_thinkpad_ec_found); @@ -2696,11 +2701,6 @@ static int __init acpi_ibm_init(void) if (acpi_disabled) return -ENODEV; - if (!acpi_specific_hotkey_enabled) { - printk(IBM_ERR "using generic hotkey driver\n"); - return -ENODEV; - } - /* ec is required because many other handles are relative to it */ IBM_HANDLE_INIT(ec); if (!ec_handle) { @@ -2710,9 +2710,6 @@ static int __init acpi_ibm_init(void) /* Models with newer firmware report the EC in DMI */ ibm_thinkpad_ec_found = check_dmi_for_ec(); - if (ibm_thinkpad_ec_found) - printk(IBM_INFO "ThinkPad EC firmware %s\n", - ibm_thinkpad_ec_found); /* these handles are not required */ IBM_HANDLE_INIT(vid); @@ -2742,6 +2739,7 @@ static int __init acpi_ibm_init(void) proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir); if (!proc_dir) { printk(IBM_ERR "unable to create proc dir %s", IBM_DIR); + acpi_ibm_exit(); return -ENODEV; } proc_dir->owner = THIS_MODULE; diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c index 4a9faff4c01d..8fcd6a15517f 100644 --- a/drivers/acpi/numa.c +++ b/drivers/acpi/numa.c @@ -33,7 +33,7 @@ #define ACPI_NUMA 0x80000000 #define _COMPONENT ACPI_NUMA -ACPI_MODULE_NAME("numa") +ACPI_MODULE_NAME("numa"); static nodemask_t nodes_found_map = NODE_MASK_NONE; #define PXM_INVAL -1 @@ -45,12 +45,6 @@ int __cpuinitdata pxm_to_node_map[MAX_PXM_DOMAINS] int __cpuinitdata node_to_pxm_map[MAX_NUMNODES] = { [0 ... MAX_NUMNODES - 1] = PXM_INVAL }; -extern int __init acpi_table_parse_madt_family(char *id, - unsigned long madt_size, - int entry_id, - acpi_madt_entry_handler handler, - unsigned int max_entries); - int __cpuinit pxm_to_node(int pxm) { if (pxm < 0) @@ -208,9 +202,9 @@ static int __init acpi_parse_srat(struct acpi_table_header *table) int __init acpi_table_parse_srat(enum acpi_srat_type id, - acpi_madt_entry_handler handler, unsigned int max_entries) + acpi_table_entry_handler handler, unsigned int max_entries) { - return acpi_table_parse_madt_family(ACPI_SIG_SRAT, + return acpi_table_parse_entries(ACPI_SIG_SRAT, sizeof(struct acpi_table_srat), id, handler, max_entries); } @@ -220,9 +214,7 @@ int __init acpi_numa_init(void) int result; /* SRAT: Static Resource Affinity Table */ - result = acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat); - - if (result > 0) { + if (!acpi_table_parse(ACPI_SIG_SRAT, acpi_parse_srat)) { result = acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY, acpi_parse_processor_affinity, NR_CPUS); @@ -230,7 +222,7 @@ int __init acpi_numa_init(void) } /* SLIT: System Locality Information Table */ - result = acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit); + acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit); acpi_numa_arch_fixup(); return 0; diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 0f6f3bcbc8eb..971eca4864fa 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -46,7 +46,7 @@ #include <linux/efi.h> #define _COMPONENT ACPI_OS_SERVICES -ACPI_MODULE_NAME("osl") +ACPI_MODULE_NAME("osl"); #define PREFIX "ACPI: " struct acpi_os_dpc { acpi_osd_exec_callback function; @@ -68,9 +68,6 @@ EXPORT_SYMBOL(acpi_in_debugger); extern char line_buf[80]; #endif /*ENABLE_DEBUGGER */ -int acpi_specific_hotkey_enabled = TRUE; -EXPORT_SYMBOL(acpi_specific_hotkey_enabled); - static unsigned int acpi_irq_irq; static acpi_osd_handler acpi_irq_handler; static void *acpi_irq_context; @@ -205,7 +202,7 @@ void __iomem *acpi_os_map_memory(acpi_physical_address phys, acpi_size size) { if (phys > ULONG_MAX) { printk(KERN_ERR PREFIX "Cannot map memory that high\n"); - return 0; + return NULL; } if (acpi_gbl_permanent_mmap) /* @@ -890,26 +887,6 @@ u32 acpi_os_get_line(char *buffer) } #endif /* ACPI_FUTURE_USAGE */ -/* Assumes no unreadable holes inbetween */ -u8 acpi_os_readable(void *ptr, acpi_size len) -{ -#if defined(__i386__) || defined(__x86_64__) - char tmp; - return !__get_user(tmp, (char __user *)ptr) - && !__get_user(tmp, (char __user *)ptr + len - 1); -#endif - return 1; -} - -#ifdef ACPI_FUTURE_USAGE -u8 acpi_os_writable(void *ptr, acpi_size len) -{ - /* could do dummy write (racy) or a kernel page table lookup. - The later may be difficult at early boot when kmap doesn't work yet. */ - return 1; -} -#endif - acpi_status acpi_os_signal(u32 function, void *info) { switch (function) { @@ -1012,14 +989,6 @@ static int __init acpi_wake_gpes_always_on_setup(char *str) __setup("acpi_wake_gpes_always_on", acpi_wake_gpes_always_on_setup); -static int __init acpi_hotkey_setup(char *str) -{ - acpi_specific_hotkey_enabled = FALSE; - return 1; -} - -__setup("acpi_generic_hotkey", acpi_hotkey_setup); - /* * max_cstate is defined in the base kernel so modules can * change it w/o depending on the state of the processor module. diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c index 55f57a61c55e..028969370bbf 100644 --- a/drivers/acpi/pci_bind.c +++ b/drivers/acpi/pci_bind.c @@ -36,7 +36,7 @@ #include <acpi/acpi_drivers.h> #define _COMPONENT ACPI_PCI_COMPONENT -ACPI_MODULE_NAME("pci_bind") +ACPI_MODULE_NAME("pci_bind"); struct acpi_pci_data { struct acpi_pci_id id; diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index fe7d007833ad..dd3186abe07a 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -38,7 +38,7 @@ #include <acpi/acpi_drivers.h> #define _COMPONENT ACPI_PCI_COMPONENT -ACPI_MODULE_NAME("pci_irq") +ACPI_MODULE_NAME("pci_irq"); static struct acpi_prt_list acpi_prt; static DEFINE_SPINLOCK(acpi_prt_lock); diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 0f683c8c6fbc..acc594771379 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -44,10 +44,9 @@ #include <acpi/acpi_drivers.h> #define _COMPONENT ACPI_PCI_COMPONENT -ACPI_MODULE_NAME("pci_link") +ACPI_MODULE_NAME("pci_link"); #define ACPI_PCI_LINK_CLASS "pci_irq_routing" #define ACPI_PCI_LINK_HID "PNP0C0F" -#define ACPI_PCI_LINK_DRIVER_NAME "ACPI PCI Interrupt Link Driver" #define ACPI_PCI_LINK_DEVICE_NAME "PCI Interrupt Link" #define ACPI_PCI_LINK_FILE_INFO "info" #define ACPI_PCI_LINK_FILE_STATUS "state" @@ -56,7 +55,7 @@ static int acpi_pci_link_add(struct acpi_device *device); static int acpi_pci_link_remove(struct acpi_device *device, int type); static struct acpi_driver acpi_pci_link_driver = { - .name = ACPI_PCI_LINK_DRIVER_NAME, + .name = "pci_link", .class = ACPI_PCI_LINK_CLASS, .ids = ACPI_PCI_LINK_HID, .ops = { diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 4ecf701687e8..ad4145a37786 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -36,17 +36,16 @@ #include <acpi/acpi_drivers.h> #define _COMPONENT ACPI_PCI_COMPONENT -ACPI_MODULE_NAME("pci_root") +ACPI_MODULE_NAME("pci_root"); #define ACPI_PCI_ROOT_CLASS "pci_bridge" #define ACPI_PCI_ROOT_HID "PNP0A03" -#define ACPI_PCI_ROOT_DRIVER_NAME "ACPI PCI Root Bridge Driver" #define ACPI_PCI_ROOT_DEVICE_NAME "PCI Root Bridge" static int acpi_pci_root_add(struct acpi_device *device); static int acpi_pci_root_remove(struct acpi_device *device, int type); static int acpi_pci_root_start(struct acpi_device *device); static struct acpi_driver acpi_pci_root_driver = { - .name = ACPI_PCI_ROOT_DRIVER_NAME, + .name = "pci_root", .class = ACPI_PCI_ROOT_CLASS, .ids = ACPI_PCI_ROOT_HID, .ops = { diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 01ce311ed6ee..1ef338545dfe 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -45,10 +45,9 @@ #include <acpi/acpi_drivers.h> #define _COMPONENT ACPI_POWER_COMPONENT -ACPI_MODULE_NAME("acpi_power") +ACPI_MODULE_NAME("power"); #define ACPI_POWER_COMPONENT 0x00800000 #define ACPI_POWER_CLASS "power_resource" -#define ACPI_POWER_DRIVER_NAME "ACPI Power Resource Driver" #define ACPI_POWER_DEVICE_NAME "Power Resource" #define ACPI_POWER_FILE_INFO "info" #define ACPI_POWER_FILE_STATUS "state" @@ -57,25 +56,33 @@ ACPI_MODULE_NAME("acpi_power") #define ACPI_POWER_RESOURCE_STATE_UNKNOWN 0xFF static int acpi_power_add(struct acpi_device *device); static int acpi_power_remove(struct acpi_device *device, int type); +static int acpi_power_resume(struct acpi_device *device); static int acpi_power_open_fs(struct inode *inode, struct file *file); static struct acpi_driver acpi_power_driver = { - .name = ACPI_POWER_DRIVER_NAME, + .name = "power", .class = ACPI_POWER_CLASS, .ids = ACPI_POWER_HID, .ops = { .add = acpi_power_add, .remove = acpi_power_remove, + .resume = acpi_power_resume, }, }; +struct acpi_power_reference { + struct list_head node; + struct acpi_device *device; +}; + struct acpi_power_resource { struct acpi_device * device; acpi_bus_id name; u32 system_level; u32 order; int state; - int references; + struct mutex resource_lock; + struct list_head reference; }; static struct list_head acpi_power_resource_list; @@ -171,22 +178,47 @@ static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state) return result; } -static int acpi_power_on(acpi_handle handle) +static int acpi_power_on(acpi_handle handle, struct acpi_device *dev) { int result = 0; + int found = 0; acpi_status status = AE_OK; - struct acpi_device *device = NULL; struct acpi_power_resource *resource = NULL; + struct list_head *node, *next; + struct acpi_power_reference *ref; result = acpi_power_get_context(handle, &resource); if (result) return result; - resource->references++; + mutex_lock(&resource->resource_lock); + list_for_each_safe(node, next, &resource->reference) { + ref = container_of(node, struct acpi_power_reference, node); + if (dev->handle == ref->device->handle) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] already referenced by resource [%s]\n", + dev->pnp.bus_id, resource->name)); + found = 1; + break; + } + } + + if (!found) { + ref = kmalloc(sizeof (struct acpi_power_reference), + irqs_disabled() ? GFP_ATOMIC : GFP_KERNEL); + if (!ref) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "kmalloc() failed\n")); + mutex_unlock(&resource->resource_lock); + return -ENOMEM; + } + list_add_tail(&ref->node, &resource->reference); + ref->device = dev; + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] added to resource [%s] references\n", + dev->pnp.bus_id, resource->name)); + } + mutex_unlock(&resource->resource_lock); - if ((resource->references > 1) - || (resource->state == ACPI_POWER_RESOURCE_STATE_ON)) { + if (resource->state == ACPI_POWER_RESOURCE_STATE_ON) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] already on\n", resource->name)); return 0; @@ -203,38 +235,49 @@ static int acpi_power_on(acpi_handle handle) return -ENOEXEC; /* Update the power resource's _device_ power state */ - device = resource->device; resource->device->power.state = ACPI_STATE_D0; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned on\n", resource->name)); - return 0; } -static int acpi_power_off_device(acpi_handle handle) +static int acpi_power_off_device(acpi_handle handle, struct acpi_device *dev) { int result = 0; acpi_status status = AE_OK; struct acpi_power_resource *resource = NULL; + struct list_head *node, *next; + struct acpi_power_reference *ref; + result = acpi_power_get_context(handle, &resource); if (result) return result; - if (resource->references) - resource->references--; + mutex_lock(&resource->resource_lock); + list_for_each_safe(node, next, &resource->reference) { + ref = container_of(node, struct acpi_power_reference, node); + if (dev->handle == ref->device->handle) { + list_del(&ref->node); + kfree(ref); + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] removed from resource [%s] references\n", + dev->pnp.bus_id, resource->name)); + break; + } + } - if (resource->references) { - ACPI_DEBUG_PRINT((ACPI_DB_INFO, - "Resource [%s] is still in use, dereferencing\n", - resource->device->pnp.bus_id)); + if (!list_empty(&resource->reference)) { + ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cannot turn resource [%s] off - resource is in use\n", + resource->name)); + mutex_unlock(&resource->resource_lock); return 0; } + mutex_unlock(&resource->resource_lock); if (resource->state == ACPI_POWER_RESOURCE_STATE_OFF) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] already off\n", - resource->device->pnp.bus_id)); + resource->name)); return 0; } @@ -276,7 +319,7 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev) arg.integer.value = 1; /* Open power resource */ for (i = 0; i < dev->wakeup.resources.count; i++) { - ret = acpi_power_on(dev->wakeup.resources.handles[i]); + ret = acpi_power_on(dev->wakeup.resources.handles[i], dev); if (ret) { printk(KERN_ERR PREFIX "Transition power state\n"); dev->wakeup.flags.valid = 0; @@ -323,7 +366,7 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev) /* Close power resource */ for (i = 0; i < dev->wakeup.resources.count; i++) { - ret = acpi_power_off_device(dev->wakeup.resources.handles[i]); + ret = acpi_power_off_device(dev->wakeup.resources.handles[i], dev); if (ret) { printk(KERN_ERR PREFIX "Transition power state\n"); dev->wakeup.flags.valid = 0; @@ -407,7 +450,7 @@ int acpi_power_transition(struct acpi_device *device, int state) * (e.g. so the device doesn't lose power while transitioning). */ for (i = 0; i < tl->count; i++) { - result = acpi_power_on(tl->handles[i]); + result = acpi_power_on(tl->handles[i], device); if (result) goto end; } @@ -420,7 +463,7 @@ int acpi_power_transition(struct acpi_device *device, int state) * Then we dereference all power resources used in the current list. */ for (i = 0; i < cl->count; i++) { - result = acpi_power_off_device(cl->handles[i]); + result = acpi_power_off_device(cl->handles[i], device); if (result) goto end; } @@ -443,7 +486,11 @@ static struct proc_dir_entry *acpi_power_dir; static int acpi_power_seq_show(struct seq_file *seq, void *offset) { + int count = 0; + int result = 0; struct acpi_power_resource *resource = NULL; + struct list_head *node, *next; + struct acpi_power_reference *ref; resource = seq->private; @@ -451,6 +498,10 @@ static int acpi_power_seq_show(struct seq_file *seq, void *offset) if (!resource) goto end; + result = acpi_power_get_state(resource); + if (result) + goto end; + seq_puts(seq, "state: "); switch (resource->state) { case ACPI_POWER_RESOURCE_STATE_ON: @@ -464,11 +515,18 @@ static int acpi_power_seq_show(struct seq_file *seq, void *offset) break; } + mutex_lock(&resource->resource_lock); + list_for_each_safe(node, next, &resource->reference) { + ref = container_of(node, struct acpi_power_reference, node); + count++; + } + mutex_unlock(&resource->resource_lock); + seq_printf(seq, "system level: S%d\n" "order: %d\n" "reference count: %d\n", resource->system_level, - resource->order, resource->references); + resource->order, count); end: return 0; @@ -541,6 +599,8 @@ static int acpi_power_add(struct acpi_device *device) return -ENOMEM; resource->device = device; + mutex_init(&resource->resource_lock); + INIT_LIST_HEAD(&resource->reference); strcpy(resource->name, device->pnp.bus_id); strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_POWER_CLASS); @@ -588,6 +648,7 @@ static int acpi_power_add(struct acpi_device *device) static int acpi_power_remove(struct acpi_device *device, int type) { struct acpi_power_resource *resource = NULL; + struct list_head *node, *next; if (!device || !acpi_driver_data(device)) @@ -597,11 +658,54 @@ static int acpi_power_remove(struct acpi_device *device, int type) acpi_power_remove_fs(device); + mutex_lock(&resource->resource_lock); + list_for_each_safe(node, next, &resource->reference) { + struct acpi_power_reference *ref = container_of(node, struct acpi_power_reference, node); + list_del(&ref->node); + kfree(ref); + } + mutex_unlock(&resource->resource_lock); + kfree(resource); return 0; } +static int acpi_power_resume(struct acpi_device *device) +{ + int result = 0; + struct acpi_power_resource *resource = NULL; + struct acpi_power_reference *ref; + + if (!device || !acpi_driver_data(device)) + return -EINVAL; + + resource = (struct acpi_power_resource *)acpi_driver_data(device); + + result = acpi_power_get_state(resource); + if (result) + return result; + + mutex_lock(&resource->resource_lock); + if ((resource->state == ACPI_POWER_RESOURCE_STATE_ON) && + list_empty(&resource->reference)) { + mutex_unlock(&resource->resource_lock); + result = acpi_power_off_device(device->handle, NULL); + return result; + } + + if ((resource->state == ACPI_POWER_RESOURCE_STATE_OFF) && + !list_empty(&resource->reference)) { + ref = container_of(resource->reference.next, struct acpi_power_reference, node); + mutex_unlock(&resource->resource_lock); + result = acpi_power_on(device->handle, ref->device); + return result; + } + + mutex_unlock(&resource->resource_lock); + return 0; +} + static int __init acpi_power_init(void) { int result = 0; diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index 0079bc51082c..99d1516d1e70 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -60,7 +60,6 @@ #define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" -#define ACPI_PROCESSOR_DRIVER_NAME "ACPI Processor Driver" #define ACPI_PROCESSOR_DEVICE_NAME "Processor" #define ACPI_PROCESSOR_FILE_INFO "info" #define ACPI_PROCESSOR_FILE_THROTTLING "throttling" @@ -74,10 +73,10 @@ #define ACPI_STA_PRESENT 0x00000001 #define _COMPONENT ACPI_PROCESSOR_COMPONENT -ACPI_MODULE_NAME("acpi_processor") +ACPI_MODULE_NAME("processor_core"); - MODULE_AUTHOR("Paul Diefenbaugh"); -MODULE_DESCRIPTION(ACPI_PROCESSOR_DRIVER_NAME); +MODULE_AUTHOR("Paul Diefenbaugh"); +MODULE_DESCRIPTION("ACPI Processor Driver"); MODULE_LICENSE("GPL"); static int acpi_processor_add(struct acpi_device *device); @@ -89,7 +88,7 @@ static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu); static int acpi_processor_handle_eject(struct acpi_processor *pr); static struct acpi_driver acpi_processor_driver = { - .name = ACPI_PROCESSOR_DRIVER_NAME, + .name = "processor", .class = ACPI_PROCESSOR_CLASS, .ids = ACPI_PROCESSOR_HID, .ops = { @@ -404,7 +403,7 @@ static int map_lsapic_id(struct acpi_subtable_header *entry, if (lsapic->lapic_flags & ACPI_MADT_ENABLED) { /* First check against id */ if (lsapic->processor_id == acpi_id) { - *apic_id = lsapic->id; + *apic_id = (lsapic->id << 8) | lsapic->eid; return 1; /* Check against optional uid */ } else if (entry->length >= 16 && @@ -1005,7 +1004,7 @@ static int __init acpi_processor_init(void) #ifdef CONFIG_SMP if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0, (struct acpi_table_header **)&madt))) - madt = 0; + madt = NULL; #endif acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 6c6751b1405b..60773005b8af 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -39,6 +39,25 @@ #include <linux/moduleparam.h> #include <linux/sched.h> /* need_resched() */ #include <linux/latency.h> +#include <linux/clockchips.h> + +/* + * Include the apic definitions for x86 to have the APIC timer related defines + * available also for UP (on SMP it gets magically included via linux/smp.h). + * asm/acpi.h is not an option, as it would require more include magic. Also + * creating an empty asm-ia64/apic.h would just trade pest vs. cholera. + */ +#ifdef CONFIG_X86 +#include <asm/apic.h> +#endif + +/* + * Include the apic definitions for x86 to have the APIC timer related defines + * available also for UP (on SMP it gets magically included via linux/smp.h). + */ +#ifdef CONFIG_X86 +#include <asm/apic.h> +#endif #include <asm/io.h> #include <asm/uaccess.h> @@ -48,9 +67,8 @@ #define ACPI_PROCESSOR_COMPONENT 0x01000000 #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("processor_idle"); #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) */ @@ -238,6 +256,81 @@ static void acpi_cstate_enter(struct acpi_processor_cx *cstate) } } +#ifdef ARCH_APICTIMER_STOPS_ON_C3 + +/* + * Some BIOS implementations switch to C3 in the published C2 state. + * This seems to be a common problem on AMD boxen, but other vendors + * are affected too. We pick the most conservative approach: we assume + * that the local APIC stops in both C2 and C3. + */ +static void acpi_timer_check_state(int state, struct acpi_processor *pr, + struct acpi_processor_cx *cx) +{ + struct acpi_processor_power *pwr = &pr->power; + + /* + * Check, if one of the previous states already marked the lapic + * unstable + */ + if (pwr->timer_broadcast_on_state < state) + return; + + if (cx->type >= ACPI_STATE_C2) + pr->power.timer_broadcast_on_state = state; +} + +static void acpi_propagate_timer_broadcast(struct acpi_processor *pr) +{ +#ifdef CONFIG_GENERIC_CLOCKEVENTS + 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); +#else + cpumask_t mask = cpumask_of_cpu(pr->id); + + if (pr->power.timer_broadcast_on_state < INT_MAX) + on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1); + else + on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1); +#endif +} + +/* Power(C) State timer broadcast control */ +static void acpi_state_timer_broadcast(struct acpi_processor *pr, + struct acpi_processor_cx *cx, + int broadcast) +{ +#ifdef CONFIG_GENERIC_CLOCKEVENTS + + 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); + } +#endif +} + +#else + +static void acpi_timer_check_state(int state, struct acpi_processor *pr, + struct acpi_processor_cx *cstate) { } +static void acpi_propagate_timer_broadcast(struct acpi_processor *pr) { } +static void acpi_state_timer_broadcast(struct acpi_processor *pr, + struct acpi_processor_cx *cx, + int broadcast) +{ +} + +#endif + static void acpi_processor_idle(void) { struct acpi_processor *pr = NULL; @@ -382,6 +475,7 @@ static void acpi_processor_idle(void) /* Get start time (ticks) */ t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); /* Invoke C2 */ + acpi_state_timer_broadcast(pr, cx, 1); acpi_cstate_enter(cx); /* Get end time (ticks) */ t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); @@ -396,6 +490,7 @@ static void acpi_processor_idle(void) /* Compute time (ticks) that we were actually asleep */ sleep_ticks = ticks_elapsed(t1, t2) - cx->latency_ticks - C2_OVERHEAD; + acpi_state_timer_broadcast(pr, cx, 0); break; case ACPI_STATE_C3: @@ -417,6 +512,7 @@ static void acpi_processor_idle(void) /* Get start time (ticks) */ t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); /* Invoke C3 */ + acpi_state_timer_broadcast(pr, cx, 1); acpi_cstate_enter(cx); /* Get end time (ticks) */ t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); @@ -436,6 +532,7 @@ static void acpi_processor_idle(void) /* Compute time (ticks) that we were actually asleep */ sleep_ticks = ticks_elapsed(t1, t2) - cx->latency_ticks - C3_OVERHEAD; + acpi_state_timer_broadcast(pr, cx, 0); break; default: @@ -904,11 +1001,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) unsigned int i; unsigned int working = 0; -#ifdef ARCH_APICTIMER_STOPS_ON_C3 - int timer_broadcast = 0; - cpumask_t mask = cpumask_of_cpu(pr->id); - on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1); -#endif + pr->power.timer_broadcast_on_state = INT_MAX; for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { struct acpi_processor_cx *cx = &pr->power.states[i]; @@ -920,21 +1013,14 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) case ACPI_STATE_C2: acpi_processor_power_verify_c2(cx); -#ifdef ARCH_APICTIMER_STOPS_ON_C3 - /* Some AMD systems fake C3 as C2, but still - have timer troubles */ - if (cx->valid && - boot_cpu_data.x86_vendor == X86_VENDOR_AMD) - timer_broadcast++; -#endif + if (cx->valid) + acpi_timer_check_state(i, pr, cx); break; case ACPI_STATE_C3: acpi_processor_power_verify_c3(pr, cx); -#ifdef ARCH_APICTIMER_STOPS_ON_C3 if (cx->valid) - timer_broadcast++; -#endif + acpi_timer_check_state(i, pr, cx); break; } @@ -942,10 +1028,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr) working++; } -#ifdef ARCH_APICTIMER_STOPS_ON_C3 - if (timer_broadcast) - on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1); -#endif + acpi_propagate_timer_broadcast(pr); return (working); } diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 058f13cf3b79..2f2e7964226d 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -44,10 +44,9 @@ #define ACPI_PROCESSOR_COMPONENT 0x01000000 #define ACPI_PROCESSOR_CLASS "processor" -#define ACPI_PROCESSOR_DRIVER_NAME "ACPI Processor Driver" #define ACPI_PROCESSOR_FILE_PERFORMANCE "performance" #define _COMPONENT ACPI_PROCESSOR_COMPONENT -ACPI_MODULE_NAME("acpi_processor") +ACPI_MODULE_NAME("processor_perflib"); static DEFINE_MUTEX(performance_mutex); diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index 40fecd67ad83..06e6f3fb8825 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -41,9 +41,8 @@ #define ACPI_PROCESSOR_COMPONENT 0x01000000 #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("processor_thermal"); /* -------------------------------------------------------------------------- Limit Interface diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index 89dff3639abe..b33486009f41 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -41,9 +41,8 @@ #define ACPI_PROCESSOR_COMPONENT 0x01000000 #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("processor_throttling"); /* -------------------------------------------------------------------------- Throttling Control diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c index f58fc7447ab4..1eab2034c9a5 100644 --- a/drivers/acpi/sbs.c +++ b/drivers/acpi/sbs.c @@ -59,7 +59,6 @@ extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); #define ACPI_AC_CLASS "ac_adapter" #define ACPI_BATTERY_CLASS "battery" #define ACPI_SBS_HID "ACPI0002" -#define ACPI_SBS_DRIVER_NAME "ACPI Smart Battery System Driver" #define ACPI_SBS_DEVICE_NAME "Smart Battery System" #define ACPI_SBS_FILE_INFO "info" #define ACPI_SBS_FILE_STATE "state" @@ -78,7 +77,7 @@ extern void acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir); #define MAX_SBS_BAT 4 #define MAX_SMBUS_ERR 1 -ACPI_MODULE_NAME("acpi_sbs"); +ACPI_MODULE_NAME("sbs"); MODULE_AUTHOR("Rich Townsend"); MODULE_DESCRIPTION("Smart Battery System ACPI interface driver"); @@ -110,7 +109,7 @@ static void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus); static void acpi_sbs_update_queue(void *data); static struct acpi_driver acpi_sbs_driver = { - .name = ACPI_SBS_DRIVER_NAME, + .name = "sbs", .class = ACPI_SBS_CLASS, .ids = ACPI_SBS_HID, .ops = { diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index 64f26db10c8e..bb0e0da39fb1 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -11,13 +11,12 @@ #include <acpi/acinterp.h> /* for acpi_ex_eisa_id_to_string() */ #define _COMPONENT ACPI_BUS_COMPONENT -ACPI_MODULE_NAME("scan") +ACPI_MODULE_NAME("scan"); #define STRUCT_TO_INT(s) (*((int*)&s)) extern struct acpi_device *acpi_root; #define ACPI_BUS_CLASS "system_bus" #define ACPI_BUS_HID "ACPI_BUS" -#define ACPI_BUS_DRIVER_NAME "ACPI Bus Driver" #define ACPI_BUS_DEVICE_NAME "System Bus" static LIST_HEAD(acpi_device_list); diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index 7147b0bdab0a..83a8d3097904 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -31,14 +31,13 @@ #include <acpi/acpi_drivers.h> #define _COMPONENT ACPI_SYSTEM_COMPONENT -ACPI_MODULE_NAME("acpi_system") +ACPI_MODULE_NAME("system"); #ifdef MODULE_PARAM_PREFIX #undef MODULE_PARAM_PREFIX #endif #define MODULE_PARAM_PREFIX "acpi." #define ACPI_SYSTEM_CLASS "system" -#define ACPI_SYSTEM_DRIVER_NAME "ACPI System Driver" #define ACPI_SYSTEM_DEVICE_NAME "System" #define ACPI_SYSTEM_FILE_INFO "info" #define ACPI_SYSTEM_FILE_EVENT "event" diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 45bd17313c4a..849e2c361804 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -169,40 +169,40 @@ void acpi_table_print_madt_entry(struct acpi_subtable_header * header) int __init -acpi_table_parse_madt_family(char *id, - unsigned long madt_size, +acpi_table_parse_entries(char *id, + unsigned long table_size, int entry_id, - acpi_madt_entry_handler handler, + acpi_table_entry_handler handler, unsigned int max_entries) { - struct acpi_table_header *madt = NULL; + struct acpi_table_header *table_header = NULL; struct acpi_subtable_header *entry; unsigned int count = 0; - unsigned long madt_end; + unsigned long table_end; if (!handler) return -EINVAL; - /* Locate the MADT (if exists). There should only be one. */ - acpi_get_table(id, 0, &madt); + /* Locate the table (if exists). There should only be one. */ + acpi_get_table(id, 0, &table_header); - if (!madt) { + if (!table_header) { printk(KERN_WARNING PREFIX "%4.4s not present\n", id); return -ENODEV; } - madt_end = (unsigned long)madt + madt->length; + table_end = (unsigned long)table_header + table_header->length; /* Parse all entries looking for a match. */ entry = (struct acpi_subtable_header *) - ((unsigned long)madt + madt_size); + ((unsigned long)table_header + table_size); while (((unsigned long)entry) + sizeof(struct acpi_subtable_header) < - madt_end) { + table_end) { if (entry->type == entry_id && (!max_entries || count++ < max_entries)) - if (handler(entry, madt_end)) + if (handler(entry, table_end)) return -EINVAL; entry = (struct acpi_subtable_header *) @@ -218,13 +218,22 @@ acpi_table_parse_madt_family(char *id, int __init acpi_table_parse_madt(enum acpi_madt_type id, - acpi_madt_entry_handler handler, unsigned int max_entries) + acpi_table_entry_handler handler, unsigned int max_entries) { - return acpi_table_parse_madt_family(ACPI_SIG_MADT, + return acpi_table_parse_entries(ACPI_SIG_MADT, sizeof(struct acpi_table_madt), id, handler, max_entries); } +/** + * acpi_table_parse - find table with @id, run @handler on it + * + * @id: table id to find + * @handler: handler to run + * + * Scan the ACPI System Descriptor Table (STD) for a table matching @id, + * run @handler on it. Return 0 if table found, return on if not. + */ int __init acpi_table_parse(char *id, acpi_table_handler handler) { struct acpi_table_header *table = NULL; @@ -234,9 +243,9 @@ int __init acpi_table_parse(char *id, acpi_table_handler handler) acpi_get_table(id, 0, &table); if (table) { handler(table); - return 1; - } else return 0; + } else + return 1; } /* diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c index 807978d5381a..417ef5fa7666 100644 --- a/drivers/acpi/tables/tbxface.c +++ b/drivers/acpi/tables/tbxface.c @@ -338,9 +338,9 @@ acpi_status acpi_unload_table_id(acpi_owner_id id) int i; acpi_status status = AE_NOT_EXIST; - ACPI_FUNCTION_TRACE(acpi_unload_table); + ACPI_FUNCTION_TRACE(acpi_unload_table_id); - /* Find table from the requested type list */ + /* Find table in the global table list */ for (i = 0; i < acpi_gbl_root_table_list.count; ++i) { if (id != acpi_gbl_root_table_list.tables[i].owner_id) { continue; @@ -352,8 +352,9 @@ acpi_status acpi_unload_table_id(acpi_owner_id id) * simply a position within the hierarchy */ acpi_tb_delete_namespace_by_owner(i); - acpi_tb_release_owner_id(i); + status = acpi_tb_release_owner_id(i); acpi_tb_set_table_loaded_flag(i, FALSE); + break; } return_ACPI_STATUS(status); } @@ -408,7 +409,7 @@ acpi_get_table(char *signature, } if (!acpi_gbl_permanent_mmap) { - acpi_gbl_root_table_list.tables[i].pointer = 0; + acpi_gbl_root_table_list.tables[i].pointer = NULL; } return (status); diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 7118ac67ef68..0ae8b9310cbf 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -47,7 +47,6 @@ #define ACPI_THERMAL_COMPONENT 0x04000000 #define ACPI_THERMAL_CLASS "thermal_zone" -#define ACPI_THERMAL_DRIVER_NAME "ACPI Thermal Zone Driver" #define ACPI_THERMAL_DEVICE_NAME "Thermal Zone" #define ACPI_THERMAL_FILE_STATE "state" #define ACPI_THERMAL_FILE_TEMPERATURE "temperature" @@ -71,10 +70,10 @@ #define CELSIUS_TO_KELVIN(t) ((t+273)*10) #define _COMPONENT ACPI_THERMAL_COMPONENT -ACPI_MODULE_NAME("acpi_thermal") +ACPI_MODULE_NAME("thermal"); MODULE_AUTHOR("Paul Diefenbaugh"); -MODULE_DESCRIPTION(ACPI_THERMAL_DRIVER_NAME); +MODULE_DESCRIPTION("ACPI Thermal Zone Driver"); MODULE_LICENSE("GPL"); static int tzp; @@ -99,7 +98,7 @@ static ssize_t acpi_thermal_write_polling(struct file *, const char __user *, size_t, loff_t *); static struct acpi_driver acpi_thermal_driver = { - .name = ACPI_THERMAL_DRIVER_NAME, + .name = "thermal", .class = ACPI_THERMAL_CLASS, .ids = ACPI_THERMAL_HID, .ops = { @@ -270,7 +269,7 @@ static int acpi_thermal_set_polling(struct acpi_thermal *tz, int seconds) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency set to %lu seconds\n", - tz->polling_frequency)); + tz->polling_frequency/10)); return 0; } diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c index d9b651ffcdc0..faf8a5232d8e 100644 --- a/drivers/acpi/toshiba_acpi.c +++ b/drivers/acpi/toshiba_acpi.c @@ -125,7 +125,7 @@ static int write_acpi_int(const char *methodName, int val) union acpi_object in_objs[1]; acpi_status status; - params.count = sizeof(in_objs) / sizeof(in_objs[0]); + params.count = ARRAY_SIZE(in_objs); params.pointer = in_objs; in_objs[0].type = ACPI_TYPE_INTEGER; in_objs[0].integer.value = val; @@ -561,10 +561,6 @@ static int __init toshiba_acpi_init(void) if (acpi_disabled) return -ENODEV; - if (!acpi_specific_hotkey_enabled) { - printk(MY_INFO "Using generic hotkey driver\n"); - return -ENODEV; - } /* simple device detection: look for HCI method */ if (is_valid_acpi_path(METHOD_HCI_1)) method_hci = METHOD_HCI_1; diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c index f777cebdc46d..673a0caa4073 100644 --- a/drivers/acpi/utilities/utdelete.c +++ b/drivers/acpi/utilities/utdelete.c @@ -170,7 +170,6 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) acpi_os_delete_mutex(object->mutex.os_mutex); acpi_gbl_global_lock_mutex = NULL; } else { - acpi_ex_unlink_mutex(object); acpi_os_delete_mutex(object->mutex.os_mutex); } break; diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 68a809fa7b19..34f157571080 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -31,7 +31,7 @@ #include <acpi/acpi_drivers.h> #define _COMPONENT ACPI_BUS_COMPONENT -ACPI_MODULE_NAME("acpi_utils") +ACPI_MODULE_NAME("utils"); /* -------------------------------------------------------------------------- Object Evaluation Helpers diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index e0b97add8c63..bf525cca3b63 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -40,7 +40,6 @@ #define ACPI_VIDEO_COMPONENT 0x08000000 #define ACPI_VIDEO_CLASS "video" -#define ACPI_VIDEO_DRIVER_NAME "ACPI Video Driver" #define ACPI_VIDEO_BUS_NAME "Video Bus" #define ACPI_VIDEO_DEVICE_NAME "Video Device" #define ACPI_VIDEO_NOTIFY_SWITCH 0x80 @@ -65,17 +64,17 @@ #define ACPI_VIDEO_DISPLAY_LCD 4 #define _COMPONENT ACPI_VIDEO_COMPONENT -ACPI_MODULE_NAME("acpi_video") +ACPI_MODULE_NAME("video"); - MODULE_AUTHOR("Bruno Ducrot"); -MODULE_DESCRIPTION(ACPI_VIDEO_DRIVER_NAME); +MODULE_AUTHOR("Bruno Ducrot"); +MODULE_DESCRIPTION("ACPI Video Driver"); MODULE_LICENSE("GPL"); static int acpi_video_bus_add(struct acpi_device *device); static int acpi_video_bus_remove(struct acpi_device *device, int type); static struct acpi_driver acpi_video_bus = { - .name = ACPI_VIDEO_DRIVER_NAME, + .name = "video", .class = ACPI_VIDEO_CLASS, .ids = ACPI_VIDEO_HID, .ops = { |