diff options
Diffstat (limited to 'drivers/acpi')
51 files changed, 2385 insertions, 2055 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 610d2cc02cf..bc2652d72fd 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -133,6 +133,13 @@ config ACPI_FAN This driver adds support for ACPI fan devices, allowing user-mode applications to perform basic fan control (on, off, status). +config ACPI_DOCK + tristate "Dock" + depends on !ACPI_IBM_DOCK + default y + help + This driver adds support for ACPI controlled docking stations + config ACPI_PROCESSOR tristate "Processor" default y diff --git a/drivers/acpi/Makefile b/drivers/acpi/Makefile index 5984b4f6715..f0a68ecf1e5 100644 --- a/drivers/acpi/Makefile +++ b/drivers/acpi/Makefile @@ -42,6 +42,7 @@ obj-$(CONFIG_ACPI_BATTERY) += battery.o obj-$(CONFIG_ACPI_BUTTON) += button.o obj-$(CONFIG_ACPI_EC) += ec.o obj-$(CONFIG_ACPI_FAN) += fan.o +obj-$(CONFIG_ACPI_DOCK) += dock.o obj-$(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 diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c index 7839b831df9..36ca365bcea 100644 --- a/drivers/acpi/ac.c +++ b/drivers/acpi/ac.c @@ -84,20 +84,18 @@ static int acpi_ac_get_state(struct acpi_ac *ac) { acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE("acpi_ac_get_state"); if (!ac) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_evaluate_integer(ac->handle, "_PSR", NULL, &ac->state); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error reading AC Adapter state\n")); + ACPI_EXCEPTION((AE_INFO, status, "Error reading AC Adapter state")); ac->state = ACPI_AC_STATUS_UNKNOWN; - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -110,14 +108,13 @@ static int acpi_ac_seq_show(struct seq_file *seq, void *offset) { struct acpi_ac *ac = (struct acpi_ac *)seq->private; - ACPI_FUNCTION_TRACE("acpi_ac_seq_show"); if (!ac) - return_VALUE(0); + return 0; if (acpi_ac_get_state(ac)) { seq_puts(seq, "ERROR: Unable to read AC Adapter state\n"); - return_VALUE(0); + return 0; } seq_puts(seq, "state: "); @@ -133,7 +130,7 @@ static int acpi_ac_seq_show(struct seq_file *seq, void *offset) break; } - return_VALUE(0); + return 0; } static int acpi_ac_open_fs(struct inode *inode, struct file *file) @@ -145,13 +142,12 @@ static int acpi_ac_add_fs(struct acpi_device *device) { struct proc_dir_entry *entry = NULL; - ACPI_FUNCTION_TRACE("acpi_ac_add_fs"); if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_ac_dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; acpi_device_dir(device)->owner = THIS_MODULE; } @@ -159,21 +155,18 @@ static int acpi_ac_add_fs(struct acpi_device *device) entry = create_proc_entry(ACPI_AC_FILE_STATE, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_AC_FILE_STATE)); + return -ENODEV; else { entry->proc_fops = &acpi_ac_fops; entry->data = acpi_driver_data(device); entry->owner = THIS_MODULE; } - return_VALUE(0); + return 0; } static int acpi_ac_remove_fs(struct acpi_device *device) { - ACPI_FUNCTION_TRACE("acpi_ac_remove_fs"); if (acpi_device_dir(device)) { remove_proc_entry(ACPI_AC_FILE_STATE, acpi_device_dir(device)); @@ -182,7 +175,7 @@ static int acpi_ac_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -194,13 +187,12 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data) struct acpi_ac *ac = (struct acpi_ac *)data; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_ac_notify"); if (!ac) - return_VOID; + return; if (acpi_bus_get_device(ac->handle, &device)) - return_VOID; + return; switch (event) { case ACPI_AC_NOTIFY_STATUS: @@ -213,7 +205,7 @@ static void acpi_ac_notify(acpi_handle handle, u32 event, void *data) break; } - return_VOID; + return; } static int acpi_ac_add(struct acpi_device *device) @@ -222,14 +214,13 @@ static int acpi_ac_add(struct acpi_device *device) acpi_status status = AE_OK; struct acpi_ac *ac = NULL; - ACPI_FUNCTION_TRACE("acpi_ac_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; ac = kmalloc(sizeof(struct acpi_ac), GFP_KERNEL); if (!ac) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(ac, 0, sizeof(struct acpi_ac)); ac->handle = device->handle; @@ -249,8 +240,6 @@ static int acpi_ac_add(struct acpi_device *device) ACPI_DEVICE_NOTIFY, acpi_ac_notify, ac); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing notify handler\n")); result = -ENODEV; goto end; } @@ -265,7 +254,7 @@ static int acpi_ac_add(struct acpi_device *device) kfree(ac); } - return_VALUE(result); + return result; } static int acpi_ac_remove(struct acpi_device *device, int type) @@ -273,55 +262,49 @@ static int acpi_ac_remove(struct acpi_device *device, int type) acpi_status status = AE_OK; struct acpi_ac *ac = NULL; - ACPI_FUNCTION_TRACE("acpi_ac_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; ac = (struct acpi_ac *)acpi_driver_data(device); status = acpi_remove_notify_handler(ac->handle, ACPI_DEVICE_NOTIFY, acpi_ac_notify); - if (ACPI_FAILURE(status)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); acpi_ac_remove_fs(device); kfree(ac); - return_VALUE(0); + return 0; } static int __init acpi_ac_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_ac_init"); acpi_ac_dir = proc_mkdir(ACPI_AC_CLASS, acpi_root_dir); if (!acpi_ac_dir) - return_VALUE(-ENODEV); + return -ENODEV; acpi_ac_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_ac_driver); if (result < 0) { remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } static void __exit acpi_ac_exit(void) { - ACPI_FUNCTION_TRACE("acpi_ac_exit"); acpi_bus_unregister_driver(&acpi_ac_driver); remove_proc_entry(ACPI_AC_CLASS, acpi_root_dir); - return_VOID; + return; } module_init(acpi_ac_init); diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c index 1012284ff4f..6f5e395c78a 100644 --- a/drivers/acpi/acpi_memhotplug.c +++ b/drivers/acpi/acpi_memhotplug.c @@ -128,7 +128,6 @@ acpi_memory_get_device_resources(struct acpi_memory_device *mem_device) acpi_status status; struct acpi_memory_info *info, *n; - ACPI_FUNCTION_TRACE("acpi_memory_get_device_resources"); status = acpi_walk_resources(mem_device->handle, METHOD_NAME__CRS, acpi_memory_get_resource, mem_device); @@ -150,23 +149,21 @@ acpi_memory_get_device(acpi_handle handle, struct acpi_device *device = NULL; struct acpi_device *pdevice = NULL; - ACPI_FUNCTION_TRACE("acpi_memory_get_device"); if (!acpi_bus_get_device(handle, &device) && device) goto end; status = acpi_get_parent(handle, &phandle); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error in acpi_get_parent\n")); - return_VALUE(-EINVAL); + ACPI_EXCEPTION((AE_INFO, status, "Cannot find acpi parent")); + return -EINVAL; } /* Get the parent device */ status = acpi_bus_get_device(phandle, &pdevice); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error in acpi_bus_get_device\n")); - return_VALUE(-EINVAL); + ACPI_EXCEPTION((AE_INFO, status, "Cannot get acpi bus device")); + return -EINVAL; } /* @@ -175,30 +172,29 @@ acpi_memory_get_device(acpi_handle handle, */ status = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error in acpi_bus_add\n")); - return_VALUE(-EINVAL); + ACPI_EXCEPTION((AE_INFO, status, "Cannot add acpi bus")); + return -EINVAL; } end: *mem_device = acpi_driver_data(device); if (!(*mem_device)) { printk(KERN_ERR "\n driver data not found"); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } static int acpi_memory_check_device(struct acpi_memory_device *mem_device) { unsigned long current_status; - ACPI_FUNCTION_TRACE("acpi_memory_check_device"); /* Get device present/absent information from the _STA */ if (ACPI_FAILURE(acpi_evaluate_integer(mem_device->handle, "_STA", NULL, ¤t_status))) - return_VALUE(-ENODEV); + return -ENODEV; /* * Check for device status. Device should be * present/enabled/functioning. @@ -206,9 +202,9 @@ static int acpi_memory_check_device(struct acpi_memory_device *mem_device) if (!((current_status & ACPI_MEMORY_STA_PRESENT) && (current_status & ACPI_MEMORY_STA_ENABLED) && (current_status & ACPI_MEMORY_STA_FUNCTIONAL))) - return_VALUE(-ENODEV); + return -ENODEV; - return_VALUE(0); + return 0; } static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) @@ -217,13 +213,11 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) struct acpi_memory_info *info; int node; - ACPI_FUNCTION_TRACE("acpi_memory_enable_device"); /* Get the range from the _CRS */ result = acpi_memory_get_device_resources(mem_device); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "\nget_device_resources failed\n")); + printk(KERN_ERR PREFIX "get_device_resources failed\n"); mem_device->state = MEMORY_INVALID_STATE; return result; } @@ -269,7 +263,6 @@ static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device) union acpi_object arg; unsigned long current_status; - ACPI_FUNCTION_TRACE("acpi_memory_powerdown_device"); /* Issue the _EJ0 command */ arg_list.count = 1; @@ -280,21 +273,21 @@ static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device) "_EJ0", &arg_list, NULL); /* Return on _EJ0 failure */ if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "_EJ0 failed.\n")); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "_EJ0 failed")); + return -ENODEV; } /* Evalute _STA to check if the device is disabled */ status = acpi_evaluate_integer(mem_device->handle, "_STA", NULL, ¤t_status); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; /* Check for device status. Device should be disabled */ if (current_status & ACPI_MEMORY_STA_ENABLED) - return_VALUE(-EINVAL); + return -EINVAL; - return_VALUE(0); + return 0; } static int acpi_memory_disable_device(struct acpi_memory_device *mem_device) @@ -302,7 +295,6 @@ static int acpi_memory_disable_device(struct acpi_memory_device *mem_device) int result; struct acpi_memory_info *info, *n; - ACPI_FUNCTION_TRACE("acpi_memory_disable_device"); /* * Ask the VM to offline this memory range. @@ -320,8 +312,6 @@ static int acpi_memory_disable_device(struct acpi_memory_device *mem_device) /* Power-off and eject the device */ result = acpi_memory_powerdown_device(mem_device); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Device Power Down failed.\n")); /* Set the status of the device to invalid */ mem_device->state = MEMORY_INVALID_STATE; return result; @@ -336,7 +326,6 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) struct acpi_memory_device *mem_device; struct acpi_device *device; - ACPI_FUNCTION_TRACE("acpi_memory_device_notify"); switch (event) { case ACPI_NOTIFY_BUS_CHECK: @@ -348,15 +337,14 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "\nReceived DEVICE CHECK notification for device\n")); if (acpi_memory_get_device(handle, &mem_device)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error in finding driver data\n")); - return_VOID; + printk(KERN_ERR PREFIX "Cannot find driver data\n"); + return; } if (!acpi_memory_check_device(mem_device)) { if (acpi_memory_enable_device(mem_device)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error in acpi_memory_enable_device\n")); + printk(KERN_ERR PREFIX + "Cannot enable memory device\n"); } break; case ACPI_NOTIFY_EJECT_REQUEST: @@ -364,14 +352,12 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) "\nReceived EJECT REQUEST notification for device\n")); if (acpi_bus_get_device(handle, &device)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Device doesn't exist\n")); + printk(KERN_ERR PREFIX "Device doesn't exist\n"); break; } mem_device = acpi_driver_data(device); if (!mem_device) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Driver Data is NULL\n")); + printk(KERN_ERR PREFIX "Driver Data is NULL\n"); break; } @@ -382,8 +368,8 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) * with generic sysfs driver */ if (acpi_memory_disable_device(mem_device)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error in acpi_memory_disable_device\n")); + printk(KERN_ERR PREFIX + "Disable memory device\n"); /* * TBD: Invoke acpi_bus_remove to cleanup data structures */ @@ -394,7 +380,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data) break; } - return_VOID; + return; } static int acpi_memory_device_add(struct acpi_device *device) @@ -402,14 +388,13 @@ static int acpi_memory_device_add(struct acpi_device *device) int result; struct acpi_memory_device *mem_device = NULL; - ACPI_FUNCTION_TRACE("acpi_memory_device_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; mem_device = kmalloc(sizeof(struct acpi_memory_device), GFP_KERNEL); if (!mem_device) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(mem_device, 0, sizeof(struct acpi_memory_device)); INIT_LIST_HEAD(&mem_device->res_list); @@ -422,7 +407,7 @@ static int acpi_memory_device_add(struct acpi_device *device) result = acpi_memory_get_device_resources(mem_device); if (result) { kfree(mem_device); - return_VALUE(result); + return result; } /* Set the device state */ @@ -430,22 +415,21 @@ static int acpi_memory_device_add(struct acpi_device *device) printk(KERN_INFO "%s \n", acpi_device_name(device)); - return_VALUE(result); + return result; } static int acpi_memory_device_remove(struct acpi_device *device, int type) { struct acpi_memory_device *mem_device = NULL; - ACPI_FUNCTION_TRACE("acpi_memory_device_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; mem_device = (struct acpi_memory_device *)acpi_driver_data(device); kfree(mem_device); - return_VALUE(0); + return 0; } static int acpi_memory_device_start (struct acpi_device *device) @@ -453,8 +437,6 @@ static int acpi_memory_device_start (struct acpi_device *device) struct acpi_memory_device *mem_device; int result = 0; - ACPI_FUNCTION_TRACE("acpi_memory_device_start"); - mem_device = acpi_driver_data(device); if (!acpi_memory_check_device(mem_device)) { @@ -464,7 +446,7 @@ static int acpi_memory_device_start (struct acpi_device *device) ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error in acpi_memory_enable_device\n")); } - return_VALUE(result); + return result; } /* @@ -477,16 +459,15 @@ static acpi_status is_memory_device(acpi_handle handle) struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; struct acpi_device_info *info; - ACPI_FUNCTION_TRACE("is_memory_device"); status = acpi_get_object_info(handle, &buffer); if (ACPI_FAILURE(status)) - return_ACPI_STATUS(AE_ERROR); + return status; info = buffer.pointer; if (!(info->valid & ACPI_VALID_HID)) { acpi_os_free(buffer.pointer); - return_ACPI_STATUS(AE_ERROR); + return AE_ERROR; } hardware_id = info->hardware_id.value; @@ -495,7 +476,7 @@ static acpi_status is_memory_device(acpi_handle handle) status = AE_ERROR; acpi_os_free(buffer.pointer); - return_ACPI_STATUS(status); + return status; } static acpi_status @@ -504,21 +485,17 @@ acpi_memory_register_notify_handler(acpi_handle handle, { acpi_status status; - ACPI_FUNCTION_TRACE("acpi_memory_register_notify_handler"); status = is_memory_device(handle); - if (ACPI_FAILURE(status)) - return_ACPI_STATUS(AE_OK); /* continue */ + if (ACPI_FAILURE(status)){ + ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device")); + return AE_OK; /* continue */ + } status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY, acpi_memory_device_notify, NULL); - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing notify handler\n")); - return_ACPI_STATUS(AE_OK); /* continue */ - } - - return_ACPI_STATUS(status); + /* continue */ + return AE_OK; } static acpi_status @@ -527,22 +504,18 @@ acpi_memory_deregister_notify_handler(acpi_handle handle, { acpi_status status; - ACPI_FUNCTION_TRACE("acpi_memory_deregister_notify_handler"); status = is_memory_device(handle); - if (ACPI_FAILURE(status)) - return_ACPI_STATUS(AE_OK); /* continue */ + if (ACPI_FAILURE(status)){ + ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device")); + return AE_OK; /* continue */ + } status = acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY, acpi_memory_device_notify); - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); - return_ACPI_STATUS(AE_OK); /* continue */ - } - return_ACPI_STATUS(status); + return AE_OK; /* continue */ } static int __init acpi_memory_device_init(void) @@ -550,12 +523,11 @@ static int __init acpi_memory_device_init(void) int result; acpi_status status; - ACPI_FUNCTION_TRACE("acpi_memory_device_init"); result = acpi_bus_register_driver(&acpi_memory_device_driver); if (result < 0) - return_VALUE(-ENODEV); + return -ENODEV; status = acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX, @@ -563,19 +535,18 @@ static int __init acpi_memory_device_init(void) NULL, NULL); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "walk_namespace failed\n")); + ACPI_EXCEPTION((AE_INFO, status, "walk_namespace failed")); acpi_bus_unregister_driver(&acpi_memory_device_driver); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } static void __exit acpi_memory_device_exit(void) { acpi_status status; - ACPI_FUNCTION_TRACE("acpi_memory_device_exit"); /* * Adding this to un-install notification handlers for all the device @@ -587,11 +558,11 @@ static void __exit acpi_memory_device_exit(void) NULL, NULL); if (ACPI_FAILURE(status)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "walk_namespace failed\n")); + ACPI_EXCEPTION((AE_INFO, status, "walk_namespace failed")); acpi_bus_unregister_driver(&acpi_memory_device_driver); - return_VOID; + return; } module_init(acpi_memory_device_init); diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c index 839f423d738..055cfd5c876 100644 --- a/drivers/acpi/asus_acpi.c +++ b/drivers/acpi/asus_acpi.c @@ -1232,7 +1232,7 @@ static int __init asus_acpi_init(void) result = acpi_bus_register_driver(&asus_hotk_driver); if (result < 0) { remove_proc_entry(PROC_ASUS, acpi_root_dir); - return -ENODEV; + return result; } /* diff --git a/ |