diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-30 15:34:15 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-30 15:34:15 -0700 |
| commit | 3e8d6ad9bf1f02fdb9fd119c3c266d4b73b7175d (patch) | |
| tree | b5bfbb88a489ad5e3ce6692697b0be6e68b12dae /drivers | |
| parent | 598736c55622f7ea65b98f93c825ff95c433877c (diff) | |
| parent | 55910b28f7ca80af8fdfac84ddd6ece201a5928b (diff) | |
| download | lwn-3e8d6ad9bf1f02fdb9fd119c3c266d4b73b7175d.tar.gz lwn-3e8d6ad9bf1f02fdb9fd119c3c266d4b73b7175d.zip | |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (25 commits)
ACPI: Kconfig: ACPI_SRAT depends on ACPI
ACPI: drivers/acpi/scan.c: make acpi_bus_type static
ACPI: fixup memhotplug debug message
ACPI: ACPICA 20060623
ACPI: C-States: only demote on current bus mastering activity
ACPI: C-States: bm_activity improvements
ACPI: C-States: accounting of sleep states
ACPI: additional blacklist entry for ThinkPad R40e
ACPI: restore comment justifying 'extra' P_LVLx access
ACPI: fix battery on HP NX6125
ACPIPHP: prevent duplicate slot numbers when no _SUN
ACPI: static-ize handle_hotplug_event_func()
ACPIPHP: use ACPI dock driver
ACPI: dock driver
KEVENT: add new uevent for dock
ACPI: asus_acpi_init: propagate correct return value
[ACPI] Print error message if remove/install notify handler fails
ACPI: delete tracing macros from drivers/acpi/*.c
ACPI: HW P-state coordination support
ACPI: un-export ACPI_ERROR() -- use printk(KERN_ERR...)
...
Diffstat (limited to 'drivers')
56 files changed, 2483 insertions, 2580 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index 610d2cc02cf8..bc2652d72fdc 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 5984b4f6715a..f0a68ecf1e57 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 7839b831df94..36ca365bcead 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 1012284ff4f7..cd57372a6729 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; } @@ -254,7 +248,7 @@ static int acpi_memory_enable_device(struct acpi_memory_device *mem_device) num_enabled++; } if (!num_enabled) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "\nadd_memory failed\n")); + printk(KERN_ERR PREFIX "add_memory failed\n"); mem_device->state = MEMORY_INVALID_STATE; return -EINVAL; } @@ -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 839f423d738d..055cfd5c8766 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/drivers/acpi/battery.c b/drivers/acpi/battery.c index 702e857e98c5..00b0728efe82 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -132,17 +132,16 @@ acpi_battery_get_info(struct acpi_battery *battery, struct acpi_buffer data = { 0, NULL }; union acpi_object *package = NULL; - ACPI_FUNCTION_TRACE("acpi_battery_get_info"); if (!battery || !bif) - return_VALUE(-EINVAL); + return -EINVAL; /* Evalute _BIF */ status = acpi_evaluate_object(battery->handle, "_BIF", NULL, &buffer); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _BIF\n")); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BIF")); + return -ENODEV; } package = (union acpi_object *)buffer.pointer; @@ -151,7 +150,7 @@ acpi_battery_get_info(struct acpi_battery *battery, status = acpi_extract_package(package, &format, &data); if (status != AE_BUFFER_OVERFLOW) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error extracting _BIF\n")); + ACPI_EXCEPTION((AE_INFO, status, "Extracting _BIF")); result = -ENODEV; goto end; } @@ -165,7 +164,7 @@ acpi_battery_get_info(struct acpi_battery *battery, status = acpi_extract_package(package, &format, &data); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error extracting _BIF\n")); + ACPI_EXCEPTION((AE_INFO, status, "Extracting _BIF")); kfree(data.pointer); result = -ENODEV; goto end; @@ -177,7 +176,7 @@ acpi_battery_get_info(struct acpi_battery *battery, if (!result) (*bif) = (struct acpi_battery_info *)data.pointer; - return_VALUE(result); + return result; } static int @@ -193,17 +192,16 @@ acpi_battery_get_status(struct acpi_battery *battery, struct acpi_buffer data = { 0, NULL }; union acpi_object *package = NULL; - ACPI_FUNCTION_TRACE("acpi_battery_get_status"); if (!battery || !bst) - return_VALUE(-EINVAL); + return -EINVAL; /* Evalute _BST */ status = acpi_evaluate_object(battery->handle, "_BST", NULL, &buffer); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _BST\n")); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BST")); + return -ENODEV; } package = (union acpi_object *)buffer.pointer; @@ -212,7 +210,7 @@ acpi_battery_get_status(struct acpi_battery *battery, status = acpi_extract_package(package, &format, &data); if (status != AE_BUFFER_OVERFLOW) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error extracting _BST\n")); + ACPI_EXCEPTION((AE_INFO, status, "Extracting _BST")); result = -ENODEV; goto end; } @@ -226,7 +224,7 @@ acpi_battery_get_status(struct acpi_battery *battery, status = acpi_extract_package(package, &format, &data); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error extracting _BST\n")); + ACPI_EXCEPTION((AE_INFO, status, "Extracting _BST")); kfree(data.pointer); result = -ENODEV; goto end; @@ -238,7 +236,7 @@ acpi_battery_get_status(struct acpi_battery *battery, if (!result) (*bst) = (struct acpi_battery_status *)data.pointer; - return_VALUE(result); + return result; } static int @@ -248,25 +246,24 @@ acpi_battery_set_alarm(struct acpi_battery *battery, unsigned long alarm) union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list arg_list = { 1, &arg0 }; - ACPI_FUNCTION_TRACE("acpi_battery_set_alarm"); if (!battery) - return_VALUE(-EINVAL); + return -EINVAL; if (!battery->flags.alarm) - return_VALUE(-ENODEV); + return -ENODEV; arg0.integer.value = alarm; status = acpi_evaluate_object(battery->handle, "_BTP", &arg_list, NULL); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Alarm set to %d\n", (u32) alarm)); battery->alarm = alarm; - return_VALUE(0); + return 0; } static int acpi_battery_check(struct acpi_battery *battery) @@ -277,18 +274,17 @@ static int acpi_battery_check(struct acpi_battery *battery) struct acpi_device *device = NULL; struct acpi_battery_info *bif = NULL; - ACPI_FUNCTION_TRACE("acpi_battery_check"); if (!battery) - return_VALUE(-EINVAL); + return -EINVAL; result = acpi_bus_get_device(battery->handle, &device); if (result) - return_VALUE(result); + return result; result = acpi_bus_get_status(device); if (result) - return_VALUE(result); + return result; /* Insertion? */ @@ -300,7 +296,7 @@ static int acpi_battery_check(struct acpi_battery *battery) result = acpi_battery_get_info(battery, &bif); if (result) - return_VALUE(result); + return result; battery->flags.power_unit = bif->power_unit; battery->trips.warning = bif->design_capacity_warning; @@ -324,7 +320,7 @@ static int acpi_battery_check(struct acpi_battery *battery) battery->flags.present = device->status.battery_present; - return_VALUE(result); + return result; } /* -------------------------------------------------------------------------- @@ -339,7 +335,6 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset) struct acpi_battery_info *bif = NULL; char *units = "?"; - ACPI_FUNCTION_TRACE("acpi_battery_read_info"); if (!battery) goto end; @@ -409,7 +404,7 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset) end: kfree(bif); - return_VALUE(0); + return 0; } static int acpi_battery_info_open_fs(struct inode *inode, struct file *file) @@ -424,7 +419,6 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset) struct acpi_battery_status *bst = NULL; char *units = "?"; - ACPI_FUNCTION_TRACE("acpi_battery_read_state"); if (!battery) goto end; @@ -458,8 +452,6 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset) if ((bst->state & 0x01) && (bst->state & 0x02)) { seq_printf(seq, "charging state: charging/discharging\n"); - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Battery Charging and Discharging?\n")); } else if (bst->state & 0x01) seq_printf(seq, "charging state: discharging\n"); else if (bst->state & 0x02) @@ -489,7 +481,7 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset) end: kfree(bst); - return_VALUE(0); + return 0; } static int acpi_battery_state_open_fs(struct inode *inode, struct file *file) @@ -502,7 +494,6 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) struct acpi_battery *battery = (struct acpi_battery *)seq->private; char *units = "?"; - ACPI_FUNCTION_TRACE("acpi_battery_read_alarm"); if (!battery) goto end; @@ -527,7 +518,7 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset) seq_printf(seq, "%d %sh\n", (u32) battery->alarm, units); end: - return_VALUE(0); + return 0; } static ssize_t @@ -540,25 +531,24 @@ acpi_battery_write_alarm(struct file *file, struct seq_file *m = (struct seq_file *)file->private_data; struct acpi_battery *battery = (struct acpi_battery *)m->private; - ACPI_FUNCTION_TRACE("acpi_battery_write_alarm"); if (!battery || (count > sizeof(alarm_string) - 1)) - return_VALUE(-EINVAL); + return -EINVAL; if (!battery->flags.present) - return_VALUE(-ENODEV); + return -ENODEV; if (copy_from_user(alarm_string, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; alarm_string[count] = '\0'; result = acpi_battery_set_alarm(battery, simple_strtoul(alarm_string, NULL, 0)); if (result) - return_VALUE(result); + return result; - return_VALUE(count); + return count; } static int acpi_battery_alarm_open_fs(struct inode *inode, struct file *file) @@ -595,13 +585,12 @@ static int acpi_battery_add_fs(struct acpi_device *device) { struct proc_dir_entry *entry = NULL; - ACPI_FUNCTION_TRACE("acpi_battery_add_fs"); if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_battery_dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; acpi_device_dir(device)->owner = THIS_MODULE; } @@ -609,9 +598,7 @@ static int acpi_battery_add_fs(struct acpi_device *device) entry = create_proc_entry(ACPI_BATTERY_FILE_INFO, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_BATTERY_FILE_INFO)); + return -ENODEV; else { entry->proc_fops = &acpi_battery_info_ops; entry->data = acpi_driver_data(device); @@ -622,9 +609,7 @@ static int acpi_battery_add_fs(struct acpi_device *device) entry = create_proc_entry(ACPI_BATTERY_FILE_STATUS, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_BATTERY_FILE_STATUS)); + return -ENODEV; else { entry->proc_fops = &acpi_battery_state_ops; entry->data = acpi_driver_data(device); @@ -636,21 +621,18 @@ static int acpi_battery_add_fs(struct acpi_device *device) S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_BATTERY_FILE_ALARM)); + return -ENODEV; else { entry->proc_fops = &acpi_battery_alarm_ops; entry->data = acpi_driver_data(device); entry->owner = THIS_MODULE; } - return_VALUE(0); + return 0; } static int acpi_battery_remove_fs(struct acpi_device *device) { - ACPI_FUNCTION_TRACE("acpi_battery_remove_fs"); if (acpi_device_dir(device)) { remove_proc_entry(ACPI_BATTERY_FILE_ALARM, @@ -664,7 +646,7 @@ static int acpi_battery_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -676,13 +658,12 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data) struct acpi_battery *battery = (struct acpi_battery *)data; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_battery_notify"); if (!battery) - return_VOID; + return; if (acpi_bus_get_device(handle, &device)) - return_VOID; + return; switch (event) { case ACPI_BATTERY_NOTIFY_STATUS: @@ -696,7 +677,7 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data) break; } - return_VOID; + return; } static int acpi_battery_add(struct acpi_device *device) @@ -705,14 +686,13 @@ static int acpi_battery_add(struct acpi_device *device) acpi_status status = 0; struct acpi_battery *battery = NULL; - ACPI_FUNCTION_TRACE("acpi_battery_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; battery = kmalloc(sizeof(struct acpi_battery), GFP_KERNEL); if (!battery) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(battery, 0, sizeof(struct acpi_battery)); battery->handle = device->handle; @@ -732,8 +712,6 @@ static int acpi_battery_add(struct acpi_device *device) ACPI_DEVICE_NOTIFY, acpi_battery_notify, battery); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing notify handler\n")); result = -ENODEV; goto end; } @@ -748,7 +726,7 @@ static int acpi_battery_add(struct acpi_device *device) kfree(battery); } - return_VALUE(result); + return result; } static int acpi_battery_remove(struct acpi_device *device, int type) @@ -756,56 +734,50 @@ static int acpi_battery_remove(struct acpi_device *device, int type) acpi_status status = 0; struct acpi_battery *battery = NULL; - ACPI_FUNCTION_TRACE("acpi_battery_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; battery = (struct acpi_battery *)acpi_driver_data(device); status = acpi_remove_notify_handler(battery->handle, ACPI_DEVICE_NOTIFY, acpi_battery_notify); - if (ACPI_FAILURE(status)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); acpi_battery_remove_fs(device); kfree(battery); - return_VALUE(0); + return 0; } static int __init acpi_battery_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_battery_init"); acpi_battery_dir = proc_mkdir(ACPI_BATTERY_CLASS, acpi_root_dir); if (!acpi_battery_dir) - return_VALUE(-ENODEV); + return -ENODEV; acpi_battery_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_battery_driver); if (result < 0) { remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } static void __exit acpi_battery_exit(void) { - ACPI_FUNCTION_TRACE("acpi_battery_exit"); acpi_bus_unregister_driver(&acpi_battery_driver); remove_proc_entry(ACPI_BATTERY_CLASS, acpi_root_dir); - return_VOID; + return; } module_init(acpi_battery_init); diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index dd3983cece92..dec044c04273 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -60,21 +60,19 @@ int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device) { acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE("acpi_bus_get_device"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; /* TBD: Support fixed-feature devices */ status = acpi_get_data(handle, acpi_bus_data_handler, (void **)device); if (ACPI_FAILURE(status) || !*device) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, "No context for object [%p]\n", - handle)); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "No context for object [%p]", handle)); + return -ENODEV; } - return_VALUE(0); + return 0; } EXPORT_SYMBOL(acpi_bus_get_device); @@ -84,10 +82,9 @@ int acpi_bus_get_status(struct acpi_device *device) acpi_status status = AE_OK; unsigned long sta = 0; - ACPI_FUNCTION_TRACE("acpi_bus_get_status"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; /* * Evaluate _STA if present. @@ -96,7 +93,7 @@ int acpi_bus_get_status(struct acpi_device *device) status = acpi_evaluate_integer(device->handle, "_STA", NULL, &sta); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; STRUCT_TO_INT(device->status) = (int)sta; } @@ -120,7 +117,7 @@ int acpi_bus_get_status(struct acpi_device *device) device->pnp.bus_id, (u32) STRUCT_TO_INT(device->status))); - return_VALUE(0); + return 0; } EXPORT_SYMBOL(acpi_bus_get_status); @@ -136,11 +133,10 @@ int acpi_bus_get_power(acpi_handle handle, int *state) struct acpi_device *device = NULL; unsigned long psc = 0; - ACPI_FUNCTION_TRACE("acpi_bus_get_power"); result = acpi_bus_get_device(handle, &device); if (result) - return_VALUE(result); + return result; *state = ACPI_STATE_UNKNOWN; @@ -159,12 +155,12 @@ int acpi_bus_get_power(acpi_handle handle, int *state) status = acpi_evaluate_integer(device->handle, "_PSC", NULL, &psc); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; device->power.state = (int)psc; } else if (device->power.flags.power_resources) { result = acpi_power_get_inferred_state(device); if (result) - return_VALUE(result); + return result; } *state = device->power.state; @@ -173,7 +169,7 @@ int acpi_bus_get_power(acpi_handle handle, int *state) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] power state is D%d\n", device->pnp.bus_id, device->power.state)); - return_VALUE(0); + return 0; } EXPORT_SYMBOL(acpi_bus_get_power); @@ -185,21 +181,20 @@ int acpi_bus_set_power(acpi_handle handle, int state) struct acpi_device *device = NULL; char object_name[5] = { '_', 'P', 'S', '0' + state, '\0' }; - ACPI_FUNCTION_TRACE("acpi_bus_set_power"); result = acpi_bus_get_device(handle, &device); if (result) - return_VALUE(result); + return result; if ((state < ACPI_STATE_D0) || (state > ACPI_STATE_D3)) - return_VALUE(-EINVAL); + return -EINVAL; /* Make sure this is a valid target state */ if (!device->flags.power_manageable) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Device is not power manageable\n")); - return_VALUE(-ENODEV); + printk(KERN_DEBUG "Device `[%s]is not power manageable", + device->kobj.name); + return -ENODEV; } /* * Get device's current power state if it's unknown @@ -211,18 +206,18 @@ int acpi_bus_set_power(acpi_handle handle, int state) if (state == device->power.state) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device is already at D%d\n", state)); - return_VALUE(0); + return 0; } } if (!device->power.states[state].flags.valid) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Device does not support D%d\n", - state)); - return_VALUE(-ENODEV); + printk(KERN_WARNING PREFIX "Device does not support D%d\n", state); + return -ENODEV; } if (device->parent && (state < device->parent->power.state)) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Cannot set device to a higher-powered state than parent\n")); - return_VALUE(-ENODEV); + printk(KERN_WARNING PREFIX + "Cannot set device to a higher-powered" + " state than parent\n"); + return -ENODEV; } /* @@ -264,15 +259,15 @@ int acpi_bus_set_power(acpi_handle handle, int state) end: if (result) - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Error transitioning device [%s] to D%d\n", - device->pnp.bus_id, state)); + printk(KERN_WARNING PREFIX + "Transitioning device [%s] to D%d\n", + device->pnp.bus_id, state); else ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device [%s] transitioned to D%d\n", device->pnp.bus_id, state)); - return_VALUE(result); + return result; } EXPORT_SYMBOL(acpi_bus_set_power); @@ -293,18 +288,17 @@ int acpi_bus_generate_event(struct acpi_device *device, u8 type, int data) struct acpi_bus_event *event = NULL; unsigned long flags = 0; - ACPI_FUNCTION_TRACE("acpi_bus_generate_event"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; /* drop event on the floor if no one's listening */ if (!event_is_open) - return_VALUE(0); + return 0; event = kmalloc(sizeof(struct acpi_bus_event), GFP_ATOMIC); if (!event) - return_VALUE(-ENOMEM); + return -ENOMEM; strcpy(event->device_class, device->pnp.device_class); strcpy(event->bus_id, device->pnp.bus_id); @@ -317,7 +311,7 @@ int acpi_bus_generate_event(struct acpi_device *device, u8 type, int data) wake_up_interruptible(&acpi_bus_event_queue); - return_VALUE(0); + return 0; } EXPORT_SYMBOL(acpi_bus_generate_event); @@ -329,10 +323,9 @@ int acpi_bus_receive_event(struct acpi_bus_event *event) DECLARE_WAITQUEUE(wait, current); - ACPI_FUNCTION_TRACE("acpi_bus_receive_event"); if (!event) - return_VALUE(-EINVAL); + return -EINVAL; if (list_empty(&acpi_bus_event_list)) { @@ -346,7 +339,7 @@ int acpi_bus_receive_event(struct acpi_bus_event *event) set_current_state(TASK_RUNNING); if (signal_pending(current)) - return_VALUE(-ERESTARTSYS); + return -ERESTARTSYS; } spin_lock_irqsave(&acpi_bus_event_lock, flags); @@ -357,13 +350,13 @@ int acpi_bus_receive_event(struct acpi_bus_event *event) spin_unlock_irqrestore(&acpi_bus_event_lock, flags); if (!entry) - return_VALUE(-ENODEV); + return -ENODEV; memcpy(event, entry, sizeof(struct acpi_bus_event)); kfree(entry); - return_VALUE(0); + return 0; } EXPORT_SYMBOL(acpi_bus_receive_event); @@ -378,10 +371,9 @@ acpi_bus_check_device(struct acpi_device *device, int *status_changed) acpi_status status = 0; struct acpi_device_status old_status; - ACPI_FUNCTION_TRACE("acpi_bus_check_device"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; if (status_changed) *status_changed = 0; @@ -398,15 +390,15 @@ acpi_bus_check_device(struct acpi_device *device, int *status_changed) if (status_changed) *status_changed = 1; } - return_VALUE(0); + return 0; } status = acpi_bus_get_status(device); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; if (STRUCT_TO_INT(old_status) == STRUCT_TO_INT(device->status)) - return_VALUE(0); + return 0; if (status_changed) *status_changed = 1; @@ -422,7 +414,7 @@ acpi_bus_check_device(struct acpi_device *device, int *status_changed) /* TBD: Handle device removal */ } - return_VALUE(0); + return 0; } static int acpi_bus_check_scope(struct acpi_device *device) @@ -430,25 +422,24 @@ static int acpi_bus_check_scope(struct acpi_device *device) int result = 0; int status_changed = 0; - ACPI_FUNCTION_TRACE("acpi_bus_check_scope"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; /* Status Change? */ result = acpi_bus_check_device(device, &status_changed); if (result) - return_VALUE(result); + return result; if (!status_changed) - return_VALUE(0); + return 0; /* * TBD: Enumerate child devices within this device's scope and * run acpi_bus_check_device()'s on them. */ - return_VALUE(0); + return 0; } /** @@ -461,10 +452,9 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data) int result = 0; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_bus_notify"); if (acpi_bus_get_device(handle, &device)) - return_VOID; + return; switch (type) { @@ -539,7 +529,7 @@ static void acpi_bus_notify(acpi_handle handle, u32 type, void *data) break; } - return_VOID; + return; } /* -------------------------------------------------------------------------- @@ -553,7 +543,6 @@ static int __init acpi_bus_init_irq(void) struct acpi_object_list arg_list = { 1, &arg }; char *message = NULL; - ACPI_FUNCTION_TRACE("acpi_bus_init_irq"); /* * Let the system know what interrupt model we are using by @@ -572,7 +561,7 @@ static int __init acpi_bus_init_irq(void) break; default: printk(KERN_WARNING PREFIX "Unknown interrupt routing model\n"); - return_VALUE(-ENODEV); + return -ENODEV; } printk(KERN_INFO PREFIX "Using %s for interrupt routing\n", message); @@ -581,11 +570,11 @@ static int __init acpi_bus_init_irq(void) status = acpi_evaluate_object(NULL, "\\_PIC", &arg_list, NULL); if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PIC\n")); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PIC")); + return -ENODEV; } - return_VALUE(0); + return 0; } void __init acpi_early_init(void) @@ -593,10 +582,9 @@ void __init acpi_early_init(void) acpi_status status = AE_OK; struct acpi_buffer buffer = { sizeof(acpi_fadt), &acpi_fadt }; - ACPI_FUNCTION_TRACE("acpi_early_init"); if (acpi_disabled) - return_VOID; + return; printk(KERN_INFO PREFIX "Core revision %08x\n", ACPI_CA_VERSION); @@ -656,11 +644,11 @@ void __init acpi_early_init(void) goto error0; } - return_VOID; + return; error0: disable_acpi(); - return_VOID; + return; } static int __init acpi_bus_init(void) @@ -669,7 +657,6 @@ static int __init acpi_bus_init(void) acpi_status status = AE_OK; extern acpi_status acpi_os_initialize1(void); - ACPI_FUNCTION_TRACE("acpi_bus_init"); status = acpi_os_initialize1(); @@ -731,12 +718,12 @@ static int __init acpi_bus_init(void) */ acpi_root_dir = proc_mkdir(ACPI_BUS_FILE_ROOT, NULL); - return_VALUE(0); + return 0; /* Mimic structured exception handling */ error1: acpi_terminate(); - return_VALUE(-ENODEV); + return -ENODEV; } decl_subsys(acpi, NULL, NULL); @@ -745,11 +732,10 @@ static int __init acpi_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_init"); if (acpi_disabled) { printk(KERN_INFO PREFIX "Interpreter disabled.\n"); - return_VALUE(-ENODEV); + return -ENODEV; } firmware_register(&acpi_subsys); @@ -770,7 +756,7 @@ static int __init acpi_init(void) } else disable_acpi(); - return_VALUE(result); + return result; } subsys_initcall(acpi_init); diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c index 4b6d9f0096a1..02594639c4d9 100644 --- a/drivers/acpi/button.c +++ b/drivers/acpi/button.c @@ -112,15 +112,14 @@ static int acpi_button_info_seq_show(struct seq_file *seq, void *offset) { struct acpi_button *button = (struct acpi_button *)seq->private; - ACPI_FUNCTION_TRACE("acpi_button_info_seq_show"); if (!button || !button->device) - return_VALUE(0); + return 0; seq_printf(seq, "type: %s\n", acpi_device_name(button->device)); - return_VALUE(0); + return 0; } static int acpi_button_info_open_fs(struct inode *inode, struct file *file) @@ -134,10 +133,9 @@ static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) acpi_status status; unsigned long state; - ACPI_FUNCTION_TRACE("acpi_button_state_seq_show"); if (!button || !button->device) - return_VALUE(0); + return 0; status = acpi_evaluate_integer(button->handle, "_LID", NULL, &state); if (ACPI_FAILURE(status)) { @@ -147,7 +145,7 @@ static int acpi_button_state_seq_show(struct seq_file *seq, void *offset) (state ? "open" : "closed")); } - return_VALUE(0); + return 0; } static int acpi_button_state_open_fs(struct inode *inode, struct file *file) @@ -164,10 +162,9 @@ static int acpi_button_add_fs(struct acpi_device *device) struct proc_dir_entry *entry = NULL; struct acpi_button *button = NULL; - ACPI_FUNCTION_TRACE("acpi_button_add_fs"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; button = acpi_driver_data(device); @@ -195,21 +192,19 @@ static int acpi_button_add_fs(struct acpi_device *device) } if (!entry) - return_VALUE(-ENODEV); + return -ENODEV; entry->owner = THIS_MODULE; acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), entry); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; acpi_device_dir(device)->owner = THIS_MODULE; /* 'info' [R] */ entry = create_proc_entry(ACPI_BUTTON_FILE_INFO, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_BUTTON_FILE_INFO)); + return -ENODEV; else { entry->proc_fops = &acpi_button_info_fops; entry->data = acpi_driver_data(device); @@ -221,9 +216,7 @@ static int acpi_button_add_fs(struct acpi_device *device) entry = create_proc_entry(ACPI_BUTTON_FILE_STATE, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_BUTTON_FILE_INFO)); + return -ENODEV; else { entry->proc_fops = &acpi_button_state_fops; entry->data = acpi_driver_data(device); @@ -231,14 +224,13 @@ static int acpi_button_add_fs(struct acpi_device *device) } } - return_VALUE(0); + return 0; } static int acpi_button_remove_fs(struct acpi_device *device) { struct acpi_button *button = NULL; - ACPI_FUNCTION_TRACE("acpi_button_remove_fs"); button = acpi_driver_data(device); if (acpi_device_dir(device)) { @@ -253,7 +245,7 @@ static int acpi_button_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -264,10 +256,9 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data) { struct acpi_button *button = (struct acpi_button *)data; - ACPI_FUNCTION_TRACE("acpi_button_notify"); if (!button || !button->device) - return_VOID; + return; switch (event) { case ACPI_BUTTON_NOTIFY_STATUS: @@ -280,21 +271,20 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data) break; } - return_VOID; + return; } static acpi_status acpi_button_notify_fixed(void *data) { struct acpi_button *button = (struct acpi_button *)data; - ACPI_FUNCTION_TRACE("acpi_button_notify_fixed"); if (!button) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; acpi_button_notify(button->handle, ACPI_BUTTON_NOTIFY_STATUS, button); - return_ACPI_STATUS(AE_OK); + return AE_OK; } static int acpi_button_add(struct acpi_device *device) @@ -303,14 +293,13 @@ static int acpi_button_add(struct acpi_device *device) acpi_status status = AE_OK; struct acpi_button *button = NULL; - ACPI_FUNCTION_TRACE("acpi_button_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; button = kmalloc(sizeof(struct acpi_button), GFP_KERNEL); if (!button) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(button, 0, sizeof(struct acpi_button)); button->device = device; @@ -349,8 +338,8 @@ static int acpi_button_add(struct acpi_device *device) sprintf(acpi_device_class(device), "%s/%s", ACPI_BUTTON_CLASS, ACPI_BUTTON_SUBCLASS_LID); } else { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unsupported hid [%s]\n", - acpi_device_hid(device))); + printk(KERN_ERR PREFIX "Unsupported hid [%s]\n", + acpi_device_hid(device)); result = -ENODEV; goto end; } @@ -381,8 +370,6 @@ static int acpi_button_add(struct acpi_device *device) } if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing notify handler\n")); result = -ENODEV; goto end; } @@ -406,7 +393,7 @@ static int acpi_button_add(struct acpi_device *device) kfree(button); } - return_VALUE(result); + return result; } static int acpi_button_remove(struct acpi_device *device, int type) @@ -414,10 +401,9 @@ static int acpi_button_remove(struct acpi_device *device, int type) acpi_status status = 0; struct acpi_button *button = NULL; - ACPI_FUNCTION_TRACE("acpi_button_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; button = acpi_driver_data(device); @@ -440,39 +426,33 @@ static int acpi_button_remove(struct acpi_device *device, int type) break; } - if (ACPI_FAILURE(status)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); - acpi_button_remove_fs(device); kfree(button); - return_VALUE(0); + return 0; } static int __init acpi_button_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_button_init"); acpi_button_dir = proc_mkdir(ACPI_BUTTON_CLASS, acpi_root_dir); if (!acpi_button_dir) - return_VALUE(-ENODEV); + return -ENODEV; acpi_button_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_button_driver); if (result < 0) { remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } static void __exit acpi_button_exit(void) { - ACPI_FUNCTION_TRACE("acpi_button_exit"); acpi_bus_unregister_driver(&acpi_button_driver); @@ -484,7 +464,7 @@ static void __exit acpi_button_exit(void) remove_proc_entry(ACPI_BUTTON_SUBCLASS_LID, acpi_button_dir); remove_proc_entry(ACPI_BUTTON_CLASS, acpi_root_dir); - return_VOID; + return; } module_init(acpi_button_init); diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index b69a8cad82b7..7f7e41d40a3b 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -73,17 +73,16 @@ static int is_device_present(acpi_handle handle) acpi_status status; unsigned long sta; - ACPI_FUNCTION_TRACE("is_device_present"); status = acpi_get_handle(handle, "_STA", &temp); if (ACPI_FAILURE(status)) - return_VALUE(1); /* _STA not found, assmue device present */ + return 1; /* _STA not found, assmue device present */ status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); if (ACPI_FAILURE(status)) - return_VALUE(0); /* Firmware error */ + return 0; /* Firmware error */ - return_VALUE((sta & ACPI_STA_PRESENT) == ACPI_STA_PRESENT); + return ((sta & ACPI_STA_PRESENT) == ACPI_STA_PRESENT); } /*******************************************************************/ @@ -91,16 +90,15 @@ static int acpi_container_add(struct acpi_device *device) { struct acpi_container *container; - ACPI_FUNCTION_TRACE("acpi_container_add"); if (!device) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "device is NULL\n")); - return_VALUE(-EINVAL); + printk(KERN_ERR PREFIX "device is NULL\n"); + return -EINVAL; } container = kmalloc(sizeof(struct acpi_container), GFP_KERNEL); if (!container) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(container, 0, sizeof(struct acpi_container)); container->handle = device->handle; @@ -111,7 +109,7 @@ static int acpi_container_add(struct acpi_device *device) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device <%s> bid <%s>\n", acpi_device_name(device), acpi_device_bid(device))); - return_VALUE(0); + return 0; } static int acpi_container_remove(struct acpi_device *device, int type) @@ -130,23 +128,22 @@ static int container_device_add(struct acpi_device **device, acpi_handle handle) struct acpi_device *pdev; int result; - ACPI_FUNCTION_TRACE("container_device_add"); if (acpi_get_parent(handle, &phandle)) { - return_VALUE(-ENODEV); + return -ENODEV; } if (acpi_bus_get_device(phandle, &pdev)) { - return_VALUE(-ENODEV); + return -ENODEV; } if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_DEVICE)) { - return_VALUE(-ENODEV); + return -ENODEV; } result = acpi_bus_start(*device); - return_VALUE(result); + return result; } static void container_notify_cb(acpi_handle handle, u32 type, void *context) @@ -156,7 +153,6 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) int present; acpi_status status; - ACPI_FUNCTION_TRACE("container_notify_cb"); present = is_device_present(handle); @@ -192,7 +188,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) default: break; } - return_VOID; + return; } static acpi_status @@ -205,11 +201,10 @@ container_walk_namespace_cb(acpi_handle handle, acpi_status status; int *action = context; - ACPI_FUNCTION_TRACE("container_walk_namespace_cb"); status = acpi_get_object_info(handle, &buffer); if (ACPI_FAILURE(status) || !buffer.pointer) { - return_ACPI_STATUS(AE_OK); + return AE_OK; } info = buffer.pointer; @@ -243,7 +238,7 @@ container_walk_namespace_cb(acpi_handle handle, end: acpi_os_free(buffer.pointer); - return_ACPI_STATUS(AE_OK); + return AE_OK; } static int __init acpi_container_init(void) @@ -269,7 +264,6 @@ static void __exit acpi_container_exit(void) { int action = UNINSTALL_NOTIFY_HANDLER; - ACPI_FUNCTION_TRACE("acpi_container_exit"); acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, @@ -278,7 +272,7 @@ static void __exit acpi_container_exit(void) acpi_bus_unregister_driver(&acpi_container_driver); - return_VOID; + return; } module_init(acpi_container_init); diff --git a/drivers/acpi/debug.c b/drivers/acpi/debug.c index 263322b7d113..35c6af8a83cd 100644 --- a/drivers/acpi/debug.c +++ b/drivers/acpi/debug.c @@ -155,13 +155,12 @@ acpi_system_write_debug(struct file *file, { char debug_string[12] = { '\0' }; - ACPI_FUNCTION_TRACE("acpi_system_write_debug"); if (count > sizeof(debug_string) - 1) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(debug_string, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; debug_string[count] = '\0'; @@ -173,10 +172,10 @@ acpi_system_write_debug(struct file *file, acpi_dbg_level = simple_strtoul(debug_string, NULL, 0); break; default: - return_VALUE(-EINVAL); + return -EINVAL; } - return_VALUE(count); + return count; } static int __init acpi_debug_init(void) @@ -185,10 +184,9 @@ static int __init acpi_debug_init(void) int error = 0; char *name; - ACPI_FUNCTION_TRACE("acpi_debug_init"); if (acpi_disabled) - return_VALUE(0); + return 0; /* 'debug_layer' [R/W] */ name = ACPI_SYSTEM_FILE_DEBUG_LAYER; @@ -213,15 +211,12 @@ static int __init acpi_debug_init(void) goto Error; Done: - return_VALUE(error); + return error; Error: - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' proc fs entry\n", name)); - remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LEVEL, acpi_root_dir); remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LAYER, acpi_root_dir); - error = -EFAULT; + error = -ENODEV; goto Done; } diff --git a/drivers/acpi/dispatcher/dsinit.c b/drivers/acpi/dispatcher/dsinit.c index bbdf990e9f65..daf51b5b5875 100644 --- a/drivers/acpi/dispatcher/dsinit.c +++ b/drivers/acpi/dispatcher/dsinit.c @@ -125,37 +125,7 @@ acpi_ds_init_one_object(acpi_handle obj_handle, if (info->table_desc->pointer->revision == 1) { node->flags |= ANOBJ_DATA_WIDTH_32; } -#ifdef ACPI_INIT_PARSE_METHODS - /* - * Note 11/2005: Removed this code to parse all methods during table - * load because it causes problems if there are any errors during the - * parse. Also, it seems like overkill and we probably don't want to - * abort a table load because of an issue with a single method. - */ - - /* - * Print a dot for each method unless we are going to print - * the entire pathname - */ - if (!(acpi_dbg_level & ACPI_LV_INIT_NAMES)) { - ACPI_DEBUG_PRINT_RAW((ACPI_DB_INIT, ".")); - } - /* - * Always parse methods to detect errors, we will delete - * the parse tree below - */ - status = acpi_ds_parse_method(obj_handle); - if (ACPI_FAILURE(status)) { - ACPI_ERROR((AE_INFO, - "Method %p [%4.4s] - parse failure, %s", - obj_handle, - acpi_ut_get_node_name(obj_handle), - acpi_format_exception(status))); - - /* This parse failed, but we will continue parsing more methods */ - } -#endif info->method_count++; break; diff --git a/drivers/acpi/dispatcher/dsmethod.c b/drivers/acpi/dispatcher/dsmethod.c index bc9aca4e7401..a39a33f4847a 100644 --- a/drivers/acpi/dispatcher/dsmethod.c +++ b/drivers/acpi/dispatcher/dsmethod.c @@ -52,6 +52,10 @@ #define _COMPONENT ACPI_DISPATCHER ACPI_MODULE_NAME("dsmethod") +/* Local prototypes */ +static acpi_status +acpi_ds_create_method_mutex(union acpi_operand_object *method_desc); + /******************************************************************************* * * FUNCTION: acpi_ds_method_error @@ -67,6 +71,7 @@ ACPI_MODULE_NAME("dsmethod") * Note: Allows the exception handler to change the status code * ******************************************************************************/ + acpi_status acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) { @@ -113,11 +118,51 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) /******************************************************************************* * + * FUNCTION: acpi_ds_create_method_mutex + * + * PARAMETERS: obj_desc - The method object + * + * RETURN: Status + * + * DESCRIPTION: Create a mutex object for a serialized control method + * + ******************************************************************************/ + +static acpi_status +acpi_ds_create_method_mutex(union acpi_operand_object *method_desc) +{ + union acpi_operand_object *mutex_desc; + acpi_status status; + + ACPI_FUNCTION_NAME(ds_create_method_mutex); + + /* Create the new mutex object */ + + mutex_desc = acpi_ut_create_internal_object(ACPI_TYPE_MUTEX); + if (!mutex_desc) { + return_ACPI_STATUS(AE_NO_MEMORY); + } + + /* Create the actual OS Mutex */ + + status = acpi_os_create_mutex(&mutex_desc->mutex.os_mutex); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + mutex_desc->mutex.sync_level = method_desc->method.sync_level; + method_desc->method.mutex = mutex_desc; + return_ACPI_STATUS(AE_OK); +} + +/******************************************************************************* + * * FUNCTION: acpi_ds_begin_method_execution * * PARAMETERS: method_node - Node of the method * obj_desc - The method object - * calling_method_node - Caller of this method (if non-null) + * walk_state - current state, NULL if not yet executing + * a method. * * RETURN: Status * @@ -128,9 +173,9 @@ acpi_ds_method_error(acpi_status status, struct acpi_walk_state *walk_state) ******************************************************************************/ acpi_status -acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, - union acpi_operand_object * obj_desc, - struct acpi_namespace_node * calling_method_node) +acpi_ds_begin_method_execution(struct acpi_namespace_node *method_node, + union acpi_operand_object *obj_desc, + struct acpi_walk_state *walk_state) { acpi_status status = AE_OK; @@ -149,35 +194,80 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, } /* - * If there is a concurrency limit on this method, we need to - * obtain a unit from the method semaphore. + * If this method is serialized, we need to acquire the method mutex. */ - if (obj_desc->method.semaphore) { + if (obj_desc->method.method_flags & AML_METHOD_SERIALIZED) { /* - * Allow recursive method calls, up to the reentrancy/concurrency - * limit imposed by the SERIALIZED rule and the sync_level method - * parameter. - * - * The point of this code is to avoid permanently blocking a - * thread that is making recursive method calls. + * Create a mutex for the method if it is defined to be Serialized + * and a mutex has not already been created. We defer the mutex creation + * until a method is actually executed, to minimize the object count */ - if (method_node == calling_method_node) { - if (obj_desc->method.thread_count >= - obj_desc->method.concurrency) { - return_ACPI_STATUS(AE_AML_METHOD_LIMIT); + if (!obj_desc->method.mutex) { + status = acpi_ds_create_method_mutex(obj_desc); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); } } /* - * Get a unit from the method semaphore. This releases the - * interpreter if we block (then reacquires it) + * The current_sync_level (per-thread) must be less than or equal to + * the sync level of the method. This mechanism provides some + * deadlock prevention + * + * Top-level method invocation has no walk state at this point */ - status = - acpi_ex_system_wait_semaphore(obj_desc->method.semaphore, - ACPI_WAIT_FOREVER); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + if (walk_state && + (walk_state->thread->current_sync_level > + obj_desc->method.mutex->mutex.sync_level)) { + ACPI_ERROR((AE_INFO, + "Cannot acquire Mutex for method [%4.4s], current SyncLevel is too large (%d)", + acpi_ut_get_node_name(method_node), + walk_state->thread->current_sync_level)); + + return_ACPI_STATUS(AE_AML_MUTEX_ORDER); } + + /* + * 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)) { + /* + * Acquire the method mutex. This releases the interpreter if we + * block (and reacquires it before it returns) + */ + status = + acpi_ex_system_wait_mutex(obj_desc->method.mutex-> + mutex.os_mutex, + ACPI_WAIT_FOREVER); + if (ACPI_FAILURE(status)) { + return_ACPI_STATUS(status); + } + + /* Update the mutex and walk info and save the original sync_level */ + + 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 { + obj_desc->method.mutex->mutex. + original_sync_level = + obj_desc->method.mutex->mutex.sync_level; + } + } + + /* Always increase acquisition depth */ + + obj_desc->method.mutex->mutex.acquisition_depth++; } /* @@ -200,10 +290,10 @@ acpi_ds_begin_method_execution(struct acpi_namespace_node * method_node, return_ACPI_STATUS(status); cleanup: - /* On error, must signal the method semaphore if present */ + /* On error, must release the method mutex (if present) */ - if (obj_desc->method.semaphore) { - (void)acpi_os_signal_semaphore(obj_desc->method.semaphore, 1); + if (obj_desc->method.mutex) { + acpi_os_release_mutex(obj_desc->method.mutex->mutex.os_mutex); } return_ACPI_STATUS(status); } @@ -253,10 +343,10 @@ acpi_ds_call_control_method(struct acpi_thread_state *thread, return_ACPI_STATUS(AE_NULL_OBJECT); } - /* Init for new method, possibly wait on concurrency semaphore */ + /* Init for new method, possibly wait on method mutex */ status = acpi_ds_begin_method_execution(method_node, obj_desc, - this_walk_state->method_node); + this_walk_state); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } @@ -478,6 +568,8 @@ acpi_ds_restart_control_method(struct acpi_walk_state *walk_state, * created, delete all locals and arguments, and delete the parse * tree if requested. * + * MUTEX: Interpreter is locked + * ******************************************************************************/ void @@ -503,26 +595,21 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, } /* - * Lock the parser while we terminate this method. - * If this is the last thread executing the method, - * we have additional cleanup to perform + * If method is serialized, release the mutex and restore the + * current sync level for this thread */ - status = acpi_ut_acquire_mutex(ACPI_MTX_CONTROL_METHOD); - if (ACPI_FAILURE(status)) { - return_VOID; - } + if (method_desc->method.mutex) { - /* Signal completion of the execution of this method if necessary */ + /* Acquisition Depth handles recursive calls */ - if (method_desc->method.semaphore) { - status = - acpi_os_signal_semaphore(method_desc->method.semaphore, 1); - if (ACPI_FAILURE(status)) { - - /* Ignore error and continue */ + method_desc->method.mutex->mutex.acquisition_depth--; + if (!method_desc->method.mutex->mutex.acquisition_depth) { + walk_state->thread->current_sync_level = + method_desc->method.mutex->mutex. + original_sync_level; - ACPI_EXCEPTION((AE_INFO, status, - "Could not signal method semaphore")); + acpi_os_release_mutex(method_desc->method.mutex->mutex. + os_mutex); } } @@ -537,7 +624,7 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - goto exit; + return_VOID; } /* @@ -580,18 +667,16 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, /* * Support to dynamically change a method from not_serialized to * Serialized if it appears that the method is incorrectly written and - * does not support multiple thread execution. The best example of this - * is if such a method creates namespace objects and blocks. A second + * does not support multiple thread execution. The best example of this + * is if such a method creates namespace objects and blocks. A second * thread will fail with an AE_ALREADY_EXISTS exception * * This code is here because we must wait until the last thread exits * before creating the synchronization semaphore. */ - if ((method_desc->method.concurrency == 1) && - (!method_desc->method.semaphore)) { - status = acpi_os_create_semaphore(1, 1, - &method_desc->method. - semaphore); + if ((method_desc->method.method_flags & AML_METHOD_SERIALIZED) + && (!method_desc->method.mutex)) { + status = acpi_ds_create_method_mutex(method_desc); } /* No more threads, we can free the owner_id */ @@ -599,144 +684,5 @@ acpi_ds_terminate_control_method(union acpi_operand_object *method_desc, acpi_ut_release_owner_id(&method_desc->method.owner_id); } - exit: - (void)acpi_ut_release_mutex(ACPI_MTX_CONTROL_METHOD); return_VOID; } - -#ifdef ACPI_INIT_PARSE_METHODS - /* - * Note 11/2005: Removed this code to parse all methods during table - * load because it causes problems if there are any errors during the - * parse. Also, it seems like overkill and we probably don't want to - * abort a table load because of an issue with a single method. - */ - -/******************************************************************************* - * - * FUNCTION: acpi_ds_parse_method - * - * PARAMETERS: Node - Method node - * - * RETURN: Status - * - * DESCRIPTION: Parse the AML that is associated with the method. - * - * MUTEX: Assumes parser is locked - * - ******************************************************************************/ - -acpi_status acpi_ds_parse_method(struct acpi_namespace_node *node) -{ - acpi_status status; - union acpi_operand_object *obj_desc; - union acpi_parse_object *op; - struct acpi_walk_state *walk_state; - - ACPI_FUNCTION_TRACE_PTR(ds_parse_method, node); - - /* Parameter Validation */ - - if (!node) { - return_ACPI_STATUS(AE_NULL_ENTRY); - } - - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "**** Parsing [%4.4s] **** NamedObj=%p\n", - acpi_ut_get_node_name(node), node)); - - /* Extract the method object from the method Node */ - - obj_desc = acpi_ns_get_attached_object(node); - if (!obj_desc) { - return_ACPI_STATUS(AE_NULL_OBJECT); - } - - /* Create a mutex for the method if there is a concurrency limit */ - - if ((obj_desc->method.concurrency != ACPI_INFINITE_CONCURRENCY) && - (!obj_desc->method.semaphore)) { - status = acpi_os_create_semaphore(obj_desc->method.concurrency, - obj_desc->method.concurrency, - &obj_desc->method.semaphore); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } - } - - /* - * Allocate a new parser op to be the root of the parsed - * method tree - */ - op = acpi_ps_alloc_op(AML_METHOD_OP); - if (!op) { - return_ACPI_STATUS(AE_NO_MEMORY); - } - - /* Init new op with the method name and pointer back to the Node */ - - acpi_ps_set_name(op, node->name.integer); - op->common.node = node; - - /* - * Get a new owner_id for objects created by this method. Namespace - * objects (such as Operation Regions) can be created during the - * first pass parse. - */ - status = acpi_ut_allocate_owner_id(&obj_desc->method.owner_id); - if (ACPI_FAILURE(status)) { - goto cleanup; - } - - /* Create and initialize a new walk state */ - - walk_state = - acpi_ds_create_walk_state(obj_desc->method.owner_id, NULL, NULL, - NULL); - if (!walk_state) { - status = AE_NO_MEMORY; - goto cleanup2; - } - - status = acpi_ds_init_aml_walk(walk_state, op, node, - obj_desc->method.aml_start, - obj_desc->method.aml_length, NULL, 1); - if (ACPI_FAILURE(status)) { - acpi_ds_delete_walk_state(walk_state); - goto cleanup2; - } - - /* - * Parse the method, first pass - * - * The first pass load is where newly declared named objects are added into - * the namespace. Actual evaluation of the named objects (what would be - * called a "second pass") happens during the actual execution of the - * method so that operands to the named objects can take on dynamic - * run-time values. - */ - status = acpi_ps_parse_aml(walk_state); - if (ACPI_FAILURE(status)) { - goto cleanup2; - } - - ACPI_DEBUG_PRINT((ACPI_DB_PARSE, - "**** [%4.4s] Parsed **** NamedObj=%p Op=%p\n", - acpi_ut_get_node_name(node), node, op)); - - /* - * Delete the parse tree. We simply re-parse the method for every - * execution since there isn't much overhead (compared to keeping lots - * of parse trees around) - */ - acpi_ns_delete_namespace_subtree(node); - acpi_ns_delete_namespace_by_owner(obj_desc->method.owner_id); - - cleanup2: - acpi_ut_release_owner_id(&obj_desc->method.owner_id); - - cleanup: - acpi_ps_delete_parse_tree(op); - return_ACPI_STATUS(status); -} -#endif diff --git a/drivers/acpi/dispatcher/dswexec.c b/drivers/acpi/dispatcher/dswexec.c index 3acbd9145d72..b1ded62d0df1 100644 --- a/drivers/acpi/dispatcher/dswexec.c +++ b/drivers/acpi/dispatcher/dswexec.c @@ -472,7 +472,6 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) acpi_ds_result_push(walk_state->result_obj, walk_state); } - break; default: @@ -510,6 +509,7 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Method Reference in a Package, Op=%p\n", op)); + op->common.node = (struct acpi_namespace_node *)op->asl.value. arg->asl.node->object; @@ -670,7 +670,6 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) status = acpi_ds_result_stack_pop(walk_state); } - break; case AML_TYPE_UNDEFINED: @@ -708,7 +707,6 @@ acpi_status acpi_ds_exec_end_op(struct acpi_walk_state *walk_state) * Check if we just completed the evaluation of a * conditional predicate */ - if ((ACPI_SUCCESS(status)) && (walk_state->control_state) && (walk_state->control_state->common.state == diff --git a/drivers/acpi/dispatcher/dswload.c b/drivers/acpi/dispatcher/dswload.c index 35074399c617..e3ca7f6539c1 100644 --- a/drivers/acpi/dispatcher/dswload.c +++ b/drivers/acpi/dispatcher/dswload.c @@ -175,7 +175,7 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, if (status == AE_NOT_FOUND) { /* * Table disassembly: - * Target of Scope() not found. Generate an External for it, and + * Target of Scope() not found. Generate an External for it, and * insert the name into the namespace. */ acpi_dm_add_to_external_list(path, ACPI_TYPE_DEVICE, 0); @@ -210,16 +210,15 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, case ACPI_TYPE_BUFFER: /* - * These types we will allow, but we will change the type. This + * These types we will allow, but we will change the type. This * enables some existing code of the form: * * Name (DEB, 0) * Scope (DEB) { ... } * - * Note: silently change the type here. On the second pass, we will report + * Note: silently change the type here. On the second pass, we will report * a warning */ - ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)\n", path, @@ -242,7 +241,6 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, break; default: - /* * For all other named opcodes, we will enter the name into * the namespace. @@ -259,7 +257,6 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, * buffer_field, or Package), the name of the object is already * in the namespace. */ - if (walk_state->deferred_node) { /* This name is already in the namespace, get the node */ @@ -293,8 +290,8 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, } /* - * Enter the named type into the internal namespace. We enter the name - * as we go downward in the parse tree. Any necessary subobjects that + * Enter the named type into the internal namespace. We enter the name + * as we go downward in the parse tree. Any necessary subobjects that * involve arguments to the opcode must be created as we go back up the * parse tree later. */ @@ -327,12 +324,12 @@ acpi_ds_load1_begin_op(struct acpi_walk_state * walk_state, (status); } } + status = AE_OK; } } if (ACPI_FAILURE(status)) { - ACPI_ERROR_NAMESPACE(path, status); return_ACPI_STATUS(status); } @@ -434,9 +431,13 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state) status = acpi_ex_create_region(op->named.data, op->named.length, - (acpi_adr_space_type) - ((op->common.value.arg)-> - common.value.integer), + (acpi_adr_space_type) ((op-> + common. + value. + arg)-> + common. + value. + integer), walk_state); if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); @@ -474,7 +475,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state) * method_op pkg_length name_string method_flags term_list * * Note: We must create the method node/object pair as soon as we - * see the method declaration. This allows later pass1 parsing + * see the method declaration. This allows later pass1 parsing * of invocations of the method (need to know the number of * arguments.) */ @@ -499,6 +500,7 @@ acpi_status acpi_ds_load1_end_op(struct acpi_walk_state *walk_state) length, walk_state); } + walk_state->operands[0] = NULL; walk_state->num_operands = 0; @@ -570,7 +572,6 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, #ifdef ACPI_ENABLE_MODULE_LEVEL_CODE if ((walk_state->op_info->class == AML_CLASS_EXECUTE) || (walk_state->op_info->class == AML_CLASS_CONTROL)) { - ACPI_DEBUG_PRINT((ACPI_DB_DISPATCH, "Begin/EXEC: %s (fl %8.8X)\n", walk_state->op_info->name, @@ -602,7 +603,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, } else { /* Get name from the op */ - buffer_ptr = (char *)&op->named.name; + buffer_ptr = ACPI_CAST_PTR(char, &op->named.name); } } else { /* Get the namestring from the raw AML */ @@ -629,7 +630,6 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, break; case AML_INT_NAMEPATH_OP: - /* * The name_path is an object reference to an existing object. * Don't enter the name into the namespace, but look it up @@ -642,7 +642,6 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, break; case AML_SCOPE_OP: - /* * The Path is an object reference to an existing object. * Don't enter the name into the namespace, but look it up @@ -664,6 +663,7 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, #endif return_ACPI_STATUS(status); } + /* * We must check to make sure that the target is * one of the opcodes that actually opens a scope @@ -683,13 +683,12 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, case ACPI_TYPE_BUFFER: /* - * These types we will allow, but we will change the type. This + * These types we will allow, but we will change the type. This * enables some existing code of the form: * * Name (DEB, 0) * Scope (DEB) { ... } */ - ACPI_WARNING((AE_INFO, "Type override - [%4.4s] had invalid type (%s) for Scope operator, changed to (Scope)", buffer_ptr, @@ -729,14 +728,14 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, if (ACPI_FAILURE(status)) { return_ACPI_STATUS(status); } - } + return_ACPI_STATUS(AE_OK); } /* - * Enter the named type into the internal namespace. We enter the name - * as we go downward in the parse tree. Any necessary subobjects that + * Enter the named type into the internal namespace. We enter the name + * as we go downward in the parse tree. Any necessary subobjects that * involve arguments to the opcode must be created as we go back up the * parse tree later. * @@ -787,7 +786,6 @@ acpi_ds_load2_begin_op(struct acpi_walk_state *walk_state, * can get it again quickly when this scope is closed */ op->common.node = node; - return_ACPI_STATUS(status); } @@ -922,7 +920,6 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) #ifndef ACPI_NO_METHOD_EXECUTION case AML_TYPE_CREATE_FIELD: - /* * Create the field object, but the field buffer and index must * be evaluated later during the execution phase @@ -931,7 +928,6 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) break; case AML_TYPE_NAMED_FIELD: - /* * If we are executing a method, initialize the field */ @@ -1051,6 +1047,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) * argument is the space_id. (We must save the address of the * AML of the address and length operands) */ + /* * If we have a valid region, initialize it * Namespace is NOT locked at this point. @@ -1080,7 +1077,7 @@ acpi_status acpi_ds_load2_end_op(struct acpi_walk_state *walk_state) * method_op pkg_length name_string method_flags term_list * * Note: We must create the method node/object pair as soon as we - * see the method declaration. This allows later pass1 parsing + * see the method declaration. This allows later pass1 parsing * of invocations of the method (need to know the number of * arguments.) */ diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c new file mode 100644 index 000000000000..510a94524298 --- /dev/null +++ b/drivers/acpi/dock.c @@ -0,0 +1,739 @@ +/* + * dock.c - ACPI dock station driver + * + * Copyright (C) 2006 Kristen Carlson Accardi <kristen.c.accardi@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/notifier.h> +#include <acpi/acpi_bus.h> +#include <acpi/acpi_drivers.h> + +#define ACPI_DOCK_DRIVER_NAME "ACPI Dock Station Driver" + +ACPI_MODULE_NAME("dock") +MODULE_AUTHOR("Kristen Carlson Accardi"); +MODULE_DESCRIPTION(ACPI_DOCK_DRIVER_NAME); +MODULE_LICENSE("GPL"); + +static struct atomic_notifier_head dock_notifier_list; + +struct dock_station { + acpi_handle handle; + unsigned long last_dock_time; + u32 flags; + spinlock_t dd_lock; + spinlock_t hp_lock; + struct list_head dependent_devices; + struct list_head hotplug_devices; +}; + +struct dock_dependent_device { + struct list_head list; + struct list_head hotplug_list; + acpi_handle handle; + acpi_notify_handler handler; + void *context; +}; + +#define DOCK_DOCKING 0x00000001 +#define DOCK_EVENT KOBJ_DOCK +#define UNDOCK_EVENT KOBJ_UNDOCK + +static struct dock_station *dock_station; + +/***************************************************************************** + * Dock Dependent device functions * + *****************************************************************************/ +/** + * alloc_dock_dependent_device - allocate and init a dependent device + * @handle: the acpi_handle of the dependent device + * + * Allocate memory for a dependent device structure for a device referenced + * by the acpi handle + */ +static struct dock_dependent_device * +alloc_dock_dependent_device(acpi_handle handle) +{ + struct dock_dependent_device *dd; + + dd = kzalloc(sizeof(*dd), GFP_KERNEL); + if (dd) { + dd->handle = handle; + INIT_LIST_HEAD(&dd->list); + INIT_LIST_HEAD(&dd->hotplug_list); + } + return dd; +} + +/** + * add_dock_dependent_device - associate a device with the dock station + * @ds: The dock station + * @dd: The dependent device + * + * Add the dependent device to the dock's dependent device list. + */ +static void +add_dock_dependent_device(struct dock_station *ds, + struct dock_dependent_device *dd) +{ + spin_lock(&ds->dd_lock); + list_add_tail(&dd->list, &ds->dependent_devices); + spin_unlock(&ds->dd_lock); +} + +/** + * dock_add_hotplug_device - associate a hotplug handler with the dock station + * @ds: The dock station + * @dd: The dependent device struct + * + * Add the dependent device to the dock's hotplug device list + */ +static void +dock_add_hotplug_device(struct dock_station *ds, + struct dock_dependent_device *dd) +{ + spin_lock(&ds->hp_lock); + list_add_tail(&dd->hotplug_list, &ds->hotplug_devices); + spin_unlock(&ds->hp_lock); +} + +/** + * dock_del_hotplug_device - remove a hotplug handler from the dock station + * @ds: The dock station + * @dd: the dependent device struct + * + * Delete the dependent device from the dock's hotplug device list + */ +static void +dock_del_hotplug_device(struct dock_station *ds, + struct dock_dependent_device *dd) +{ + spin_lock(&ds->hp_lock); + list_del(&dd->hotplug_list); + spin_unlock(&ds->hp_lock); +} + +/** + * find_dock_dependent_device - get a device dependent on this dock + * @ds: the dock station + * @handle: the acpi_handle of the device we want + * + * iterate over the dependent device list for this dock. If the + * dependent device matches the handle, return. + */ +static struct dock_dependent_device * +find_dock_dependent_device(struct dock_station *ds, acpi_handle handle) +{ + struct dock_dependent_device *dd; + + spin_lock(&ds->dd_lock); + list_for_each_entry(dd, &ds->dependent_devices, list) { + if (handle == dd->handle) { + spin_unlock(&ds->dd_lock); + return dd; + } + } + spin_unlock(&ds->dd_lock); + return NULL; +} + +/***************************************************************************** + * Dock functions * + *****************************************************************************/ +/** + * is_dock - see if a device is a dock station + * @handle: acpi handle of the device + * + * If an acpi object has a _DCK method, then it is by definition a dock + * station, so return true. + */ +static int is_dock(acpi_handle handle) +{ + acpi_status status; + acpi_handle tmp; + + status = acpi_get_handle(handle, "_DCK", &tmp); + if (ACPI_FAILURE(status)) + return 0; + return 1; +} + +/** + * is_dock_device - see if a device is on a dock station + * @handle: acpi handle of the device + * + * If this device is either the dock station itself, + * or is a device dependent on the dock station, then it + * is a dock device + */ +int is_dock_device(acpi_handle handle) +{ + if (!dock_station) + return 0; + + if (is_dock(handle) || find_dock_dependent_device(dock_station, handle)) + return 1; + + return 0; +} + +EXPORT_SYMBOL_GPL(is_dock_device); + +/** + * dock_present - see if the dock station is present. + * @ds: the dock station + * + * execute the _STA method. note that present does not + * imply that we are docked. + */ +static int dock_present(struct dock_station *ds) +{ + unsigned long sta; + acpi_status status; + + if (ds) { + status = acpi_evaluate_integer(ds->handle, "_STA", NULL, &sta); + if (ACPI_SUCCESS(status) && sta) + return 1; + } + return 0; +} + + + +/** + * dock_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 * dock_create_acpi_device(acpi_handle handle) +{ + struct acpi_device *device = NULL; + struct acpi_device *parent_device; + acpi_handle parent; + int ret; + + if (acpi_bus_get_device(handle, &device)) { + /* + * no device created for this object, + * so we should create one. + */ + 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; +} + +/** + * dock_remove_acpi_device - remove the acpi_device struct from acpi + * @handle - the handle of the device to remove + * + * Tell acpi to remove the acpi_device. This should cause any loaded + * driver to have it's remove routine called. + */ +static void dock_remove_acpi_device(acpi_handle handle) +{ + struct acpi_device *device; + int ret; + + if (!acpi_bus_get_device(handle, &device)) { + ret = acpi_bus_trim(device, 1); + if (ret) + pr_debug("error removing bus, %x\n", -ret); + } +} + + +/** + * hotplug_dock_devices - insert or remove devices on the dock station + * @ds: the dock station + * @event: either bus check or eject request + * + * Some devices on the dock station need to have drivers called + * to perform hotplug operations after a dock event has occurred. + * Traverse the list of dock devices that have registered a + * hotplug handler, and call the handler. + */ +static void hotplug_dock_devices(struct dock_station *ds, u32 event) +{ + struct dock_dependent_device *dd; + + spin_lock(&ds->hp_lock); + + /* + * First call driver specific hotplug functions + */ + list_for_each_entry(dd, &ds->hotplug_devices, hotplug_list) { + if (dd->handler) + dd->handler(dd->handle, event, dd->context); + } + + /* + * Now make sure that an acpi_device is created for each + * dependent device, or removed if this is an eject request. + * This will cause acpi_drivers to be stopped/started if they + * exist + */ + list_for_each_entry(dd, &ds->dependent_devices, list) { + if (event == ACPI_NOTIFY_EJECT_REQUEST) + dock_remove_acpi_device(dd->handle); + else + dock_create_acpi_device(dd->handle); + } + spin_unlock(&ds->hp_lock); +} + +static void dock_event(struct dock_station *ds, u32 event, int num) +{ + struct acpi_device *device; + + device = dock_create_acpi_device(ds->handle); + if (device) + kobject_uevent(&device->kobj, num); +} + +/** + * eject_dock - respond to a dock eject request + * @ds: the dock station + * + * This is called after _DCK is called, to execute the dock station's + * _EJ0 method. + */ +static void eject_dock(struct dock_station *ds) +{ + struct acpi_object_list arg_list; + union acpi_object arg; + acpi_status status; + acpi_handle tmp; + + /* all dock devices should have _EJ0, but check anyway */ + status = acpi_get_handle(ds->handle, "_EJ0", &tmp); + if (ACPI_FAILURE(status)) { + pr_debug("No _EJ0 support for dock device\n"); + return; + } + + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = 1; + + if (ACPI_FAILURE(acpi_evaluate_object(ds->handle, "_EJ0", + &arg_list, NULL))) + pr_debug("Failed to evaluate _EJ0!\n"); +} + +/** + * handle_dock - handle a dock event + * @ds: the dock station + * @dock: to dock, or undock - that is the question + * + * Execute the _DCK method in response to an acpi event + */ +static void handle_dock(struct dock_station *ds, int dock) +{ + acpi_status status; + struct acpi_object_list arg_list; + union acpi_object arg; + struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + struct acpi_buffer name_buffer = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object *obj; + + acpi_get_name(ds->handle, ACPI_FULL_PATHNAME, &name_buffer); + obj = name_buffer.pointer; + + printk(KERN_INFO PREFIX "%s\n", dock ? "docking" : "undocking"); + + /* _DCK method has one argument */ + arg_list.count = 1; + arg_list.pointer = &arg; + arg.type = ACPI_TYPE_INTEGER; + arg.integer.value = dock; + status = acpi_evaluate_object(ds->handle, "_DCK", &arg_list, &buffer); + if (ACPI_FAILURE(status)) + pr_debug("%s: failed to execute _DCK\n", obj->string.pointer); + kfree(buffer.pointer); + kfree(name_buffer.pointer); +} + +static inline void dock(struct dock_station *ds) +{ + handle_dock(ds, 1); +} + +static inline void undock(struct dock_station *ds) +{ + handle_dock(ds, 0); +} + +static inline void begin_dock(struct dock_station *ds) +{ + ds->flags |= DOCK_DOCKING; +} + +static inline void complete_dock(struct dock_station *ds) +{ + ds->flags &= ~(DOCK_DOCKING); + ds->last_dock_time = jiffies; +} + +/** + * dock_in_progress - see if we are in the middle of handling a dock event + * @ds: the dock station + * + * Sometimes while docking, false dock events can be sent to the driver + * because good connections aren't made or some other reason. Ignore these + * if we are in the middle of doing something. + */ +static int dock_in_progress(struct dock_station *ds) +{ + if ((ds->flags & DOCK_DOCKING) || + time_before(jiffies, (ds->last_dock_time + HZ))) + return 1; + return 0; +} + +/** + * register_dock_notifier - add yourself to the dock notifier list + * @nb: the callers notifier block + * + * If a driver wishes to be notified about dock events, they can + * use this function to put a notifier block on the dock notifier list. + * this notifier call chain will be called after a dock event, but + * before hotplugging any new devices. + */ +int register_dock_notifier(struct notifier_block *nb) +{ + return atomic_notifier_chain_register(&dock_notifier_list, nb); +} + +EXPORT_SYMBOL_GPL(register_dock_notifier); + +/** + * unregister_dock_notifier - remove yourself from the dock notifier list + * @nb: the callers notifier block + */ +void unregister_dock_notifier(struct notifier_block *nb) +{ + atomic_notifier_chain_unregister(&dock_notifier_list, nb); +} + +EXPORT_SYMBOL_GPL(unregister_dock_notifier); + +/** + * register_hotplug_dock_device - register a hotplug function + * @handle: the handle of the device + * @handler: the acpi_notifier_handler to call after docking + * @context: device specific data + * + * If a driver would like to perform a hotplug operation after a dock + * event, they can register an acpi_notifiy_handler to be called by + * the dock driver after _DCK is executed. + */ +int +register_hotplug_dock_device(acpi_handle handle, acpi_notify_handler handler, + void *context) +{ + struct dock_dependent_device *dd; + + if (!dock_station) + return -ENODEV; + + /* + * make sure this handle is for a device dependent on the dock, + * this would include the dock station itself + */ + dd = find_dock_dependent_device(dock_station, handle); + if (dd) { + dd->handler = handler; + dd->context = context; + dock_add_hotplug_device(dock_station, dd); + return 0; + } + + return -EINVAL; +} + +EXPORT_SYMBOL_GPL(register_hotplug_dock_device); + +/** + * unregister_hotplug_dock_device - remove yourself from the hotplug list + * @handle: the acpi handle of the device + */ +void unregister_hotplug_dock_device(acpi_handle handle) +{ + struct dock_dependent_device *dd; + + if (!dock_station) + return; + + dd = find_dock_dependent_device(dock_station, handle); + if (dd) + dock_del_hotplug_device(dock_station, dd); +} + +EXPORT_SYMBOL_GPL(unregister_hotplug_dock_device); + +/** + * dock_notify - act upon an acpi dock notification + * @handle: the dock station handle + * @event: the acpi event + * @data: our driver data struct + * + * If we are notified to dock, then check to see if the dock is + * present and then dock. Notify all drivers of the dock event, + * and then hotplug and devices that may need hotplugging. For undock + * check to make sure the dock device is still present, then undock + * and hotremove all the devices that may need removing. + */ +static void dock_notify(acpi_handle handle, u32 event, void *data) +{ + struct dock_station *ds = (struct dock_station *)data; + + switch (event) { + case ACPI_NOTIFY_BUS_CHECK: + if (!dock_in_progress(ds) && dock_present(ds)) { + begin_dock(ds); + dock(ds); + if (!dock_present(ds)) { + printk(KERN_ERR PREFIX "Unable to dock!\n"); + break; + } + atomic_notifier_call_chain(&dock_notifier_list, + event, NULL); + hotplug_dock_devices(ds, event); + complete_dock(ds); + dock_event(ds, event, DOCK_EVENT); + } + break; + case ACPI_NOTIFY_DEVICE_CHECK: + /* + * According to acpi spec 3.0a, if a DEVICE_CHECK notification + * is sent and _DCK is present, it is assumed to mean an + * undock request. This notify routine will only be called + * for objects defining _DCK, so we will fall through to eject + * request here. However, we will pass an eject request through + * to the driver who wish to hotplug. + */ + case ACPI_NOTIFY_EJECT_REQUEST: + if (!dock_in_progress(ds) && dock_present(ds)) { + /* + * here we need to generate the undock + * event prior to actually doing the undock + * so that the device struct still exists. + */ + dock_event(ds, event, UNDOCK_EVENT); + hotplug_dock_devices(ds, ACPI_NOTIFY_EJECT_REQUEST); + undock(ds); + eject_dock(ds); + if (dock_present(ds)) + printk(KERN_ERR PREFIX "Unable to undock!\n"); + } + break; + default: + printk(KERN_ERR PREFIX "Unknown dock event %d\n", event); + } +} + +/** + * find_dock_devices - find devices on the dock station + * @handle: the handle of the device we are examining + * @lvl: unused + * @context: the dock station private data + * @rv: unused + * + * This function is called by acpi_walk_namespace. It will + * check to see if an object has an _EJD method. If it does, then it + * will see if it is dependent on the dock station. + */ +static acpi_status +find_dock_devices(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + acpi_status status; + acpi_handle tmp; + struct dock_station *ds = (struct dock_station *)context; + struct dock_dependent_device *dd; + + status = acpi_bus_get_ejd(handle, &tmp); + if (ACPI_FAILURE(status)) + return AE_OK; + + if (tmp == ds->handle) { + dd = alloc_dock_dependent_device(handle); + if (dd) + add_dock_dependent_device(ds, dd); + } + + return AE_OK; +} + +/** + * dock_add - add a new dock station + * @handle: the dock station handle + * + * allocated and initialize a new dock station device. Find all devices + * that are on the dock station, and register for dock event notifications. + */ +static int dock_add(acpi_handle handle) +{ + int ret; + acpi_status status; + struct dock_dependent_device *dd; + + /* allocate & initialize the dock_station private data */ + dock_station = kzalloc(sizeof(*dock_station), GFP_KERNEL); + if (!dock_station) + return -ENOMEM; + dock_station->handle = handle; + dock_station->last_dock_time = jiffies - HZ; + INIT_LIST_HEAD(&dock_station->dependent_devices); + INIT_LIST_HEAD(&dock_station->hotplug_devices); + spin_lock_init(&dock_station->dd_lock); + spin_lock_init(&dock_station->hp_lock); + + /* Find dependent devices */ + acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, + ACPI_UINT32_MAX, find_dock_devices, dock_station, + NULL); + + /* add the dock station as a device dependent on itself */ + dd = alloc_dock_dependent_device(handle); + if (!dd) { + kfree(dock_station); + return -ENOMEM; + } + add_dock_dependent_device(dock_station, dd); + + /* register for dock events */ + status = acpi_install_notify_handler(dock_station->handle, + ACPI_SYSTEM_NOTIFY, + dock_notify, dock_station); + + if (ACPI_FAILURE(status)) { + printk(KERN_ERR PREFIX "Error installing notify handler\n"); + ret = -ENODEV; + goto dock_add_err; + } + + printk(KERN_INFO PREFIX "%s \n", ACPI_DOCK_DRIVER_NAME); + + return 0; + +dock_add_err: + kfree(dock_station); + kfree(dd); + return ret; +} + +/** + * dock_remove - free up resources related to the dock station + */ +static int dock_remove(void) +{ + struct dock_dependent_device *dd, *tmp; + acpi_status status; + + if (!dock_station) + return 0; + + /* remove dependent devices */ + list_for_each_entry_safe(dd, tmp, &dock_station->dependent_devices, + list) + kfree(dd); + + /* remove dock notify handler */ + status = acpi_remove_notify_handler(dock_station->handle, + ACPI_SYSTEM_NOTIFY, + dock_notify); + if (ACPI_FAILURE(status)) + printk(KERN_ERR "Error removing notify handler\n"); + + /* free dock station memory */ + kfree(dock_station); + return 0; +} + +/** + * find_dock - look for a dock station + * @handle: acpi handle of a device + * @lvl: unused + * @context: counter of dock stations found + * @rv: unused + * + * This is called by acpi_walk_namespace to look for dock stations. + */ +static acpi_status +find_dock(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + int *count = (int *)context; + acpi_status status = AE_OK; + + if (is_dock(handle)) { + if (dock_add(handle) >= 0) { + (*count)++; + status = AE_CTRL_TERMINATE; + } + } + return status; +} + +static int __init dock_init(void) +{ + int num = 0; + + dock_station = NULL; + + /* look for a dock station */ + acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, + ACPI_UINT32_MAX, find_dock, &num, NULL); + + if (!num) + return -ENODEV; + + return 0; +} + +static void __exit dock_exit(void) +{ + dock_remove(); +} + +postcore_initcall(dock_init); +module_exit(dock_exit); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index 18b3ea9dace2..8c5d7df7d343 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -207,16 +207,15 @@ static int acpi_ec_intr_wait(union acpi_ec *ec, unsigned int event) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_ec_wait"); ec->intr.expect_event = event; smp_mb(); switch (event) { case ACPI_EC_EVENT_IBE: - if (~acpi_ec_read_status(ec) & event) { + if (~acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) { ec->intr.expect_event = 0; - return_VALUE(0); + return 0; } break; default: @@ -238,16 +237,16 @@ static int acpi_ec_intr_wait(union acpi_ec *ec, unsigned int event) switch (event) { case ACPI_EC_EVENT_OBF: if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_OBF) - return_VALUE(0); + return 0; break; case ACPI_EC_EVENT_IBE: if (~acpi_ec_read_status(ec) & ACPI_EC_FLAG_IBF) - return_VALUE(0); + return 0; break; } - return_VALUE(-ETIME); + return -ETIME; } #ifdef ACPI_FUTURE_USAGE @@ -260,7 +259,6 @@ int acpi_ec_enter_burst_mode(union acpi_ec *ec) u32 tmp = 0; int status = 0; - ACPI_FUNCTION_TRACE("acpi_ec_enter_burst_mode"); status = acpi_ec_read_status(ec); if (status != -EINVAL && !(status & ACPI_EC_FLAG_BURST)) { @@ -272,22 +270,21 @@ int acpi_ec_enter_burst_mode(union acpi_ec *ec) status = acpi_ec_wait(ec, ACPI_EC_EVENT_OBF); acpi_hw_low_level_read(8, &tmp, &ec->common.data_addr); if (tmp != 0x90) { /* Burst ACK byte */ - return_VALUE(-EINVAL); + return -EINVAL; } } atomic_set(&ec->intr.leaving_burst, 0); - return_VALUE(0); + return 0; end: - printk(KERN_WARNING PREFIX "Error in acpi_ec_wait\n"); - return_VALUE(-1); + ACPI_EXCEPTION ((AE_INFO, status, "EC wait, burst mode"); + return -1; } int acpi_ec_leave_burst_mode(union acpi_ec *ec) { int status = 0; - ACPI_FUNCTION_TRACE("acpi_ec_leave_burst_mode"); status = acpi_ec_read_status(ec); if (status != -EINVAL && (status & ACPI_EC_FLAG_BURST)){ @@ -298,10 +295,10 @@ int acpi_ec_leave_burst_mode(union acpi_ec *ec) acpi_ec_wait(ec, ACPI_EC_FLAG_IBF); } atomic_set(&ec->intr.leaving_burst, 1); - return_VALUE(0); + return 0; end: - printk(KERN_WARNING PREFIX "leave burst_mode:error\n"); - return_VALUE(-1); + ACPI_EXCEPTION((AE_INFO, status, "EC leave burst mode"); + return -1; } #endif /* ACPI_FUTURE_USAGE */ @@ -325,17 +322,16 @@ static int acpi_ec_poll_read(union acpi_ec *ec, u8 address, u32 * data) int result = 0; u32 glk = 0; - ACPI_FUNCTION_TRACE("acpi_ec_read"); if (!ec || !data) - return_VALUE(-EINVAL); + return -EINVAL; *data = 0; if (ec->common.global_lock) { status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; } if (down_interruptible(&ec->poll.sem)) { @@ -365,7 +361,7 @@ end_nosem: if (ec->common.global_lock) acpi_release_global_lock(glk); - return_VALUE(result); + return result; } static int acpi_ec_poll_write(union acpi_ec *ec, u8 address, u8 data) @@ -374,15 +370,14 @@ static int acpi_ec_poll_write(union acpi_ec *ec, u8 address, u8 data) acpi_status status = AE_OK; u32 glk = 0; - ACPI_FUNCTION_TRACE("acpi_ec_write"); if (!ec) - return_VALUE(-EINVAL); + return -EINVAL; if (ec->common.global_lock) { status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; } if (down_interruptible(&ec->poll.sem)) { @@ -415,7 +410,7 @@ end_nosem: if (ec->common.global_lock) acpi_release_global_lock(glk); - return_VALUE(result); + return result; } static int acpi_ec_intr_read(union acpi_ec *ec, u8 address, u32 * data) @@ -423,17 +418,16 @@ static int acpi_ec_intr_read(union acpi_ec *ec, u8 address, u32 * data) int status = 0; u32 glk; - ACPI_FUNCTION_TRACE("acpi_ec_read"); if (!ec || !data) - return_VALUE(-EINVAL); + return -EINVAL; *data = 0; if (ec->common.global_lock) { status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; } WARN_ON(in_interrupt()); @@ -467,7 +461,7 @@ static int acpi_ec_intr_read(union acpi_ec *ec, u8 address, u32 * data) if (ec->common.global_lock) acpi_release_global_lock(glk); - return_VALUE(status); + return status; } static int acpi_ec_intr_write(union acpi_ec *ec, u8 address, u8 data) @@ -475,15 +469,14 @@ static int acpi_ec_intr_write(union acpi_ec *ec, u8 address, u8 data) int status = 0; u32 glk; - ACPI_FUNCTION_TRACE("acpi_ec_write"); if (!ec) - return_VALUE(-EINVAL); + return -EINVAL; if (ec->common.global_lock) { status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; } WARN_ON(in_interrupt()); @@ -516,7 +509,7 @@ static int acpi_ec_intr_write(union acpi_ec *ec, u8 address, u8 data) if (ec->common.global_lock) acpi_release_global_lock(glk); - return_VALUE(status); + return status; } /* @@ -574,17 +567,16 @@ static int acpi_ec_poll_query(union acpi_ec *ec, u32 * data) acpi_status status = AE_OK; u32 glk = 0; - ACPI_FUNCTION_TRACE("acpi_ec_query"); if (!ec || !data) - return_VALUE(-EINVAL); + return -EINVAL; *data = 0; if (ec->common.global_lock) { status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; } /* @@ -613,23 +605,22 @@ end_nosem: if (ec->common.global_lock) acpi_release_global_lock(glk); - return_VALUE(result); + return result; } static int acpi_ec_intr_query(union acpi_ec *ec, u32 * data) { int status = 0; u32 glk; - ACPI_FUNCTION_TRACE("acpi_ec_query"); if (!ec || !data) - return_VALUE(-EINVAL); + return -EINVAL; *data = 0; if (ec->common.global_lock) { status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; } down(&ec->intr.sem); @@ -662,7 +653,7 @@ static int acpi_ec_intr_query(union acpi_ec *ec, u32 * data) if (ec->common.global_lock) acpi_release_global_lock(glk); - return_VALUE(status); + return status; } /* -------------------------------------------------------------------------- @@ -691,13 +682,12 @@ static void acpi_ec_gpe_poll_query(void *ec_cxt) '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; - ACPI_FUNCTION_TRACE("acpi_ec_gpe_query"); if (!ec_cxt) goto end; if (down_interruptible (&ec->poll.sem)) { - return_VOID; + return; } acpi_hw_low_level_read(8, &value, &ec->common.command_addr); up(&ec->poll.sem); @@ -734,7 +724,6 @@ static void acpi_ec_gpe_intr_query(void *ec_cxt) '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' }; - ACPI_FUNCTION_TRACE("acpi_ec_gpe_query"); if (acpi_ec_read_status(ec) & ACPI_EC_FLAG_SCI) result = acpi_ec_query(ec, &value); @@ -793,12 +782,15 @@ static u32 acpi_ec_gpe_intr_handler(void *data) case ACPI_EC_EVENT_OBF: if (!(value & ACPI_EC_FLAG_OBF)) break; + ec->intr.expect_event = 0; + wake_up(&ec->intr.wait); + break; case ACPI_EC_EVENT_IBE: if ((value & ACPI_EC_FLAG_IBF)) break; ec->intr.expect_event = 0; wake_up(&ec->intr.wait); - return ACPI_INTERRUPT_HANDLED; + break; default: break; } @@ -846,15 +838,14 @@ acpi_ec_space_handler(u32 function, acpi_integer f_v = 0; int i = 0; - ACPI_FUNCTION_TRACE("acpi_ec_space_handler"); if ((address > 0xFF) || !value || !handler_context) - return_VALUE(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; if (bit_width != 8 && acpi_strict) { printk(KERN_WARNING PREFIX "acpi_ec_space_handler: bit_width should be 8\n"); - return_VALUE(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; } ec = (union acpi_ec *)handler_context; @@ -893,16 +884,16 @@ acpi_ec_space_handler(u32 function, out: switch (result) { case -EINVAL: - return_VALUE(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; break; case -ENODEV: - return_VALUE(AE_NOT_FOUND); + return AE_NOT_FOUND; break; case -ETIME: - return_VALUE(AE_TIME); + return AE_TIME; break; default: - return_VALUE(AE_OK); + return AE_OK; } } @@ -916,7 +907,6 @@ static int acpi_ec_read_info(struct seq_file *seq, void *offset) { union acpi_ec *ec = (union acpi_ec *)seq->private; - ACPI_FUNCTION_TRACE("acpi_ec_read_info"); if (!ec) goto end; @@ -931,7 +921,7 @@ static int acpi_ec_read_info(struct seq_file *seq, void *offset) acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR); end: - return_VALUE(0); + return 0; } static int acpi_ec_info_open_fs(struct inode *inode, struct file *file) @@ -951,33 +941,29 @@ static int acpi_ec_add_fs(struct acpi_device *device) { struct proc_dir_entry *entry = NULL; - ACPI_FUNCTION_TRACE("acpi_ec_add_fs"); if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_ec_dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; } entry = create_proc_entry(ACPI_EC_FILE_INFO, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Unable to create '%s' fs entry\n", - ACPI_EC_FILE_INFO)); + return -ENODEV; else { entry->proc_fops = &acpi_ec_info_ops; entry->data = acpi_driver_data(device); entry->owner = THIS_MODULE; } - return_VALUE(0); + return 0; } static int acpi_ec_remove_fs(struct acpi_device *device) { - ACPI_FUNCTION_TRACE("acpi_ec_remove_fs"); if (acpi_device_dir(device)) { remove_proc_entry(ACPI_EC_FILE_INFO, acpi_device_dir(device)); @@ -985,7 +971,7 @@ static int acpi_ec_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -998,14 +984,13 @@ static int acpi_ec_poll_add(struct acpi_device *device) acpi_status status = AE_OK; union acpi_ec *ec = NULL; - ACPI_FUNCTION_TRACE("acpi_ec_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; ec = kmalloc(sizeof(union acpi_ec), GFP_KERNEL); if (!ec) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(ec, 0, sizeof(union acpi_ec)); ec->common.handle = device->handle; @@ -1038,8 +1023,7 @@ static int acpi_ec_poll_add(struct acpi_device *device) acpi_evaluate_integer(ec->common.handle, "_GPE", NULL, &ec->common.gpe_bit); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error obtaining GPE bit assignment\n")); + ACPI_EXCEPTION((AE_INFO, status, "Obtaining GPE bit")); result = -ENODEV; goto end; } @@ -1059,7 +1043,7 @@ static int acpi_ec_poll_add(struct acpi_device *device) if (result) kfree(ec); - return_VALUE(result); + return result; } static int acpi_ec_intr_add(struct acpi_device *device) { @@ -1067,14 +1051,13 @@ static int acpi_ec_intr_add(struct acpi_device *device) acpi_status status = AE_OK; union acpi_ec *ec = NULL; - ACPI_FUNCTION_TRACE("acpi_ec_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; ec = kmalloc(sizeof(union acpi_ec), GFP_KERNEL); if (!ec) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(ec, 0, sizeof(union acpi_ec)); ec->common.handle = device->handle; @@ -1110,8 +1093,7 @@ static int acpi_ec_intr_add(struct acpi_device *device) acpi_evaluate_integer(ec->common.handle, "_GPE", NULL, &ec->common.gpe_bit); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error obtaining GPE bit assignment\n")); + printk(KERN_ERR PREFIX "Obtaining GPE bit assignment\n"); result = -ENODEV; goto end; } @@ -1131,17 +1113,16 @@ static int acpi_ec_intr_add(struct acpi_device *device) if (result) kfree(ec); - return_VALUE(result); + return result; } static int acpi_ec_remove(struct acpi_device *device, int type) { union acpi_ec *ec = NULL; - ACPI_FUNCTION_TRACE("acpi_ec_remove"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; ec = acpi_driver_data(device); @@ -1149,7 +1130,7 @@ static int acpi_ec_remove(struct acpi_device *device, int type) kfree(ec); - return_VALUE(0); + return 0; } static acpi_status @@ -1188,15 +1169,14 @@ static int acpi_ec_start(struct acpi_device *device) acpi_status status = AE_OK; union acpi_ec *ec = NULL; - ACPI_FUNCTION_TRACE("acpi_ec_start"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; ec = acpi_driver_data(device); if (!ec) - return_VALUE(-EINVAL); + return -EINVAL; /* * Get I/O port addresses. Convert to GAS format. @@ -1205,9 +1185,8 @@ static int acpi_ec_start(struct acpi_device *device) acpi_ec_io_ports, ec); if (ACPI_FAILURE(status) || ec->common.command_addr.register_bit_width == 0) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error getting I/O port addresses")); - return_VALUE(-ENODEV); + printk(KERN_ERR PREFIX "Error getting I/O port addresses\n"); + return -ENODEV; } ec->common.status_addr = ec->common.command_addr; @@ -1224,7 +1203,7 @@ static int acpi_ec_start(struct acpi_device *device) ACPI_GPE_EDGE_TRIGGERED, &acpi_ec_gpe_handler, ec); if (ACPI_FAILURE(status)) { - return_VALUE(-ENODEV); + return -ENODEV; } acpi_set_gpe_type(NULL, ec->common.gpe_bit, ACPI_GPE_TYPE_RUNTIME); acpi_enable_gpe(NULL, ec->common.gpe_bit, ACPI_NOT_ISR); @@ -1236,10 +1215,10 @@ static int acpi_ec_start(struct acpi_device *device) if (ACPI_FAILURE(status)) { acpi_remove_gpe_handler(NULL, ec->common.gpe_bit, &acpi_ec_gpe_handler); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(AE_OK); + return AE_OK; } static int acpi_ec_stop(struct acpi_device *device, int type) @@ -1247,10 +1226,9 @@ static int acpi_ec_stop(struct acpi_device *device, int type) acpi_status status = AE_OK; union acpi_ec *ec = NULL; - ACPI_FUNCTION_TRACE("acpi_ec_stop"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; ec = acpi_driver_data(device); @@ -1258,15 +1236,15 @@ static int acpi_ec_stop(struct acpi_device *device, int type) ACPI_ADR_SPACE_EC, &acpi_ec_space_handler); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; status = acpi_remove_gpe_handler(NULL, ec->common.gpe_bit, &acpi_ec_gpe_handler); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; - return_VALUE(0); + return 0; } static acpi_status __init @@ -1536,23 +1514,22 @@ static int __init acpi_ec_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_ec_init"); if (acpi_disabled) - return_VALUE(0); + return 0; acpi_ec_dir = proc_mkdir(ACPI_EC_CLASS, acpi_root_dir); if (!acpi_ec_dir) - return_VALUE(-ENODEV); + return -ENODEV; /* Now register the driver for the EC */ result = acpi_bus_register_driver(&acpi_ec_driver); if (result < 0) { remove_proc_entry(ACPI_EC_CLASS, acpi_root_dir); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(result); + return result; } subsys_initcall(acpi_ec_init); @@ -1561,13 +1538,12 @@ subsys_initcall(acpi_ec_init); #if 0 static void __exit acpi_ec_exit(void) { - ACPI_FUNCTION_TRACE("acpi_ec_exit"); acpi_bus_unregister_driver(&acpi_ec_driver); remove_proc_entry(ACPI_EC_CLASS, acpi_root_dir); - return_VOID; + return; } #endif /* 0 */ diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c index 2dbb1b0f11d5..a901b23e95e7 100644 --- a/drivers/acpi/event.c +++ b/drivers/acpi/event.c @@ -48,18 +48,17 @@ acpi_system_read_event(struct file *file, char __user * buffer, size_t count, static int chars_remaining = 0; static char *ptr; - ACPI_FUNCTION_TRACE("acpi_system_read_event"); if (!chars_remaining) { memset(&event, 0, sizeof(struct acpi_bus_event)); if ((file->f_flags & O_NONBLOCK) && (list_empty(&acpi_bus_event_list))) - return_VALUE(-EAGAIN); + return -EAGAIN; result = acpi_bus_receive_event(&event); if (result) - return_VALUE(result); + return result; chars_remaining = sprintf(str, "%s %s %08x %08x\n", event.device_class ? event. @@ -75,13 +74,13 @@ acpi_system_read_event(struct file *file, char __user * buffer, size_t count, } if (copy_to_user(buffer, ptr, count)) - return_VALUE(-EFAULT); + return -EFAULT; *ppos += count; chars_remaining -= count; ptr += count; - return_VALUE(count); + return count; } static int acpi_system_close_event(struct inode *inode, struct file *file) @@ -112,22 +111,18 @@ static int __init acpi_event_init(void) struct proc_dir_entry *entry; int error = 0; - ACPI_FUNCTION_TRACE("acpi_event_init"); if (acpi_disabled) - return_VALUE(0); + return 0; /* 'event' [R] */ entry = create_proc_entry("event", S_IRUSR, acpi_root_dir); if (entry) entry->proc_fops = &acpi_system_event_ops; else { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' proc fs entry\n", - "event")); - error = -EFAULT; + error = -ENODEV; } - return_VALUE(error); + return error; } subsys_initcall(acpi_event_init); diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c index f01d339407f8..c76c0583ca6a 100644 --- a/drivers/acpi/events/evgpe.c +++ b/drivers/acpi/events/evgpe.c @@ -382,7 +382,6 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) u32 status_reg; u32 enable_reg; acpi_cpu_flags flags; - acpi_cpu_flags hw_flags; acpi_native_uint i; acpi_native_uint j; @@ -394,8 +393,11 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) return (int_status); } - /* We need to hold the GPE lock now, hardware lock in the loop */ - + /* + * We need to obtain the GPE lock for both the data structs and registers + * Note: Not necessary to obtain the hardware lock, since the GPE registers + * are owned by the gpe_lock. + */ flags = acpi_os_acquire_lock(acpi_gbl_gpe_lock); /* Examine all GPE blocks attached to this interrupt level */ @@ -413,8 +415,6 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) gpe_register_info = &gpe_block->register_info[i]; - hw_flags = acpi_os_acquire_lock(acpi_gbl_hardware_lock); - /* Read the Status Register */ status = @@ -423,8 +423,6 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) &gpe_register_info-> status_address); if (ACPI_FAILURE(status)) { - acpi_os_release_lock(acpi_gbl_hardware_lock, - hw_flags); goto unlock_and_exit; } @@ -435,8 +433,6 @@ u32 acpi_ev_gpe_detect(struct acpi_gpe_xrupt_info * gpe_xrupt_list) &enable_reg, &gpe_register_info-> enable_address); - acpi_os_release_lock(acpi_gbl_hardware_lock, hw_flags); - if (ACPI_FAILURE(status)) { goto unlock_and_exit; } diff --git a/drivers/acpi/events/evxface.c b/drivers/acpi/events/evxface.c index 76c34a66e0e0..4f948df17ab9 100644 --- a/drivers/acpi/events/evxface.c +++ b/drivers/acpi/events/evxface.c @@ -414,12 +414,13 @@ acpi_remove_notify_handler(acpi_handle device, if ((!device) || (!handler) || (handler_type > ACPI_MAX_NOTIFY_HANDLER_TYPE)) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + status = AE_BAD_PARAMETER; + goto exit; } status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto exit; } /* Convert and validate the device handle */ @@ -427,7 +428,7 @@ acpi_remove_notify_handler(acpi_handle device, node = acpi_ns_map_handle_to_node(device); if (!node) { status = AE_BAD_PARAMETER; - goto unlock_and_exit; + goto unlock; } /* Root Object */ @@ -441,7 +442,7 @@ acpi_remove_notify_handler(acpi_handle device, ((handler_type & ACPI_DEVICE_NOTIFY) && !acpi_gbl_device_notify.handler)) { status = AE_NOT_EXIST; - goto unlock_and_exit; + goto unlock; } /* Make sure all deferred tasks are completed */ @@ -450,7 +451,7 @@ acpi_remove_notify_handler(acpi_handle device, acpi_os_wait_events_complete(NULL); status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto exit; } if (handler_type & ACPI_SYSTEM_NOTIFY) { @@ -473,7 +474,7 @@ acpi_remove_notify_handler(acpi_handle device, if (!acpi_ev_is_notify_object(node)) { status = AE_TYPE; - goto unlock_and_exit; + goto unlock; } /* Check for an existing internal object */ @@ -481,7 +482,7 @@ acpi_remove_notify_handler(acpi_handle device, obj_desc = acpi_ns_get_attached_object(node); if (!obj_desc) { status = AE_NOT_EXIST; - goto unlock_and_exit; + goto unlock; } /* Object exists - make sure there's an existing handler */ @@ -491,7 +492,7 @@ acpi_remove_notify_handler(acpi_handle device, if ((!notify_obj) || (notify_obj->notify.handler != handler)) { status = AE_BAD_PARAMETER; - goto unlock_and_exit; + goto unlock; } /* Make sure all deferred tasks are completed */ @@ -499,7 +500,7 @@ acpi_remove_notify_handler(acpi_handle device, acpi_os_wait_events_complete(NULL); status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto exit; } /* Remove the handler */ @@ -512,7 +513,7 @@ acpi_remove_notify_handler(acpi_handle device, if ((!notify_obj) || (notify_obj->notify.handler != handler)) { status = AE_BAD_PARAMETER; - goto unlock_and_exit; + goto unlock; } /* Make sure all deferred tasks are completed */ @@ -520,7 +521,7 @@ acpi_remove_notify_handler(acpi_handle device, acpi_os_wait_events_complete(NULL); status = acpi_ut_acquire_mutex(ACPI_MTX_NAMESPACE); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto exit; } /* Remove the handler */ @@ -529,8 +530,11 @@ acpi_remove_notify_handler(acpi_handle device, } } - unlock_and_exit: +unlock: (void)acpi_ut_release_mutex(ACPI_MTX_NAMESPACE); +exit: + if (ACPI_FAILURE(status)) + ACPI_EXCEPTION((AE_INFO, status, "Removing notify handler")); return_ACPI_STATUS(status); } @@ -568,12 +572,13 @@ acpi_install_gpe_handler(acpi_handle gpe_device, /* Parameter validation */ if ((!address) || (type > ACPI_GPE_XRUPT_TYPE_MASK)) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + status = AE_BAD_PARAMETER; + goto exit; } status = acpi_ut_acquire_mutex(ACPI_MTX_EVENTS); if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); + goto exit; } /* Ensure that we have a valid GPE number */ @@ -581,7 +586,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device, gpe_event_info = acpi_ev_get_gpe_event_info(gpe_device, gpe_number); if (!gpe_event_info) { status = AE_BAD_PARAMETER; - goto unlock_and_exit; + goto unlock; } /* Make sure that there isn't a handler there already */ @@ -589,7 +594,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device, if ((gpe_event_info->flags & ACPI_GPE_DISPATCH_MASK) == ACPI_GPE_DISPATCH_HANDLER) { status = AE_ALREADY_EXISTS; - goto unlock_and_exit; + goto unlock; } /* Allocate and init handler object */ @@ -597,7 +602,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device, handler = ACPI_ALLOCATE_ZEROED(sizeof(struct acpi_handler_info)); if (!handler) { status = AE_NO_MEMORY; - goto unlock_and_exit; + goto unlock; } handler->address = address; @@ -608,7 +613,7 @@ acpi_install_gpe_handler(acpi_handle gpe_device, status = acpi_ev_disable_gpe(gpe_event_info); if (ACPI_FAILURE(status)) { - goto unlock_and_exit; + goto unlock; } /* Install the handler */ @@ -623,8 +628,12 @@ acpi_install_gpe_handler(acpi_handle gpe_device, acpi_os_release_lock(acpi_gbl_gpe_lock, flags); - unlock_and_exit: +unlock: (void)acpi_ut_release_mutex(ACPI_MTX_EVENTS); +exit: + if (ACPI_FAILURE(status)) + ACPI_EXCEPTION((AE_INFO, status, + "Installing notify handler failed")); return_ACPI_STATUS(status); } diff --git a/drivers/acpi/executer/exconfig.c b/drivers/acpi/executer/exconfig.c index 823352435e08..83fed079a276 100644 --- a/drivers/acpi/executer/exconfig.c +++ b/drivers/acpi/executer/exconfig.c @@ -266,6 +266,10 @@ acpi_ex_load_table_op(struct acpi_walk_state *walk_state, } } + ACPI_INFO((AE_INFO, + "Dynamic OEM Table Load - [%4.4s] OemId [%6.6s] OemTableId [%8.8s]", + table->signature, table->oem_id, table->oem_table_id)); + *return_desc = ddb_handle; return_ACPI_STATUS(status); } @@ -446,6 +450,10 @@ acpi_ex_load_op(union acpi_operand_object *obj_desc, return_ACPI_STATUS(status); } + ACPI_INFO((AE_INFO, + "Dynamic SSDT Load - OemId [%6.6s] OemTableId [%8.8s]", + table_ptr->oem_id, table_ptr->oem_table_id)); + cleanup: if (ACPI_FAILURE(status)) { ACPI_FREE(table_ptr); diff --git a/drivers/acpi/executer/excreate.c b/drivers/acpi/executer/excreate.c index 106dc7219df7..34eec82c1b1e 100644 --- a/drivers/acpi/executer/excreate.c +++ b/drivers/acpi/executer/excreate.c @@ -177,7 +177,7 @@ acpi_status acpi_ex_create_event(struct acpi_walk_state *walk_state) * that the event is created in an unsignalled state */ status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0, - &obj_desc->event.semaphore); + &obj_desc->event.os_semaphore); if (ACPI_FAILURE(status)) { goto cleanup; } @@ -226,12 +226,9 @@ acpi_status acpi_ex_create_mutex(struct acpi_walk_state *walk_state) goto cleanup; } - /* - * Create the actual OS semaphore. - * One unit max to make it a mutex, with one initial unit to allow - * the mutex to be acquired. - */ - status = acpi_os_create_semaphore(1, 1, &obj_desc->mutex.semaphore); + /* Create the actual OS Mutex */ + + status = acpi_os_create_mutex(&obj_desc->mutex.os_mutex); if (ACPI_FAILURE(status)) { goto cleanup; } @@ -565,7 +562,7 @@ acpi_ex_create_method(u8 * aml_start, obj_desc->method.aml_length = aml_length; /* - * Disassemble the method flags. Split off the Arg Count + * Disassemble the method flags. Split off the Arg Count * for efficiency */ method_flags = (u8) operand[1]->integer.value; @@ -576,21 +573,19 @@ acpi_ex_create_method(u8 * aml_start, (u8) (method_flags & AML_METHOD_ARG_COUNT); /* - * Get the concurrency count. If required, a semaphore will be + * Get the sync_level. If method is serialized, a mutex will be * created for this method when it is parsed. */ if (acpi_gbl_all_methods_serialized) { - obj_desc->method.concurrency = 1; + obj_desc->method.sync_level = 0; obj_desc->method.method_flags |= AML_METHOD_SERIALIZED; } else if (method_flags & AML_METHOD_SERIALIZED) { /* - * ACPI 1.0: Concurrency = 1 - * ACPI 2.0: Concurrency = (sync_level (in method declaration) + 1) + * ACPI 1.0: sync_level = 0 + * ACPI 2.0: sync_level = sync_level in method declaration */ - obj_desc->method.concurrency = (u8) - (((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4) + 1); - } else { - obj_desc->method.concurrency = ACPI_INFINITE_CONCURRENCY; + obj_desc->method.sync_level = (u8) + ((method_flags & AML_METHOD_SYNCH_LEVEL) >> 4); } /* Attach the new object to the method Node */ diff --git a/drivers/acpi/executer/exdump.c b/drivers/acpi/executer/exdump.c index 7b9718e976bf..2450943add33 100644 --- a/drivers/acpi/executer/exdump.c +++ b/drivers/acpi/executer/exdump.c @@ -118,14 +118,14 @@ static struct acpi_exdump_info acpi_ex_dump_device[4] = { static struct acpi_exdump_info acpi_ex_dump_event[2] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_event), NULL}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.semaphore), "Semaphore"} + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(event.os_semaphore), "OsSemaphore"} }; static struct acpi_exdump_info acpi_ex_dump_method[8] = { {ACPI_EXD_INIT, ACPI_EXD_TABLE_SIZE(acpi_ex_dump_method), NULL}, {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.param_count), "ParamCount"}, - {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.concurrency), "Concurrency"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.semaphore), "Semaphore"}, + {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.sync_level), "Sync Level"}, + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(method.mutex), "Mutex"}, {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.owner_id), "Owner Id"}, {ACPI_EXD_UINT8, ACPI_EXD_OFFSET(method.thread_count), "Thread Count"}, {ACPI_EXD_UINT32, ACPI_EXD_OFFSET(method.aml_length), "Aml Length"}, @@ -138,7 +138,7 @@ static struct acpi_exdump_info acpi_ex_dump_mutex[5] = { {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.owner_thread), "Owner Thread"}, {ACPI_EXD_UINT16, ACPI_EXD_OFFSET(mutex.acquisition_depth), "Acquire Depth"}, - {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.semaphore), "Semaphore"} + {ACPI_EXD_POINTER, ACPI_EXD_OFFSET(mutex.os_mutex), "OsMutex"} }; static struct acpi_exdump_info acpi_ex_dump_region[7] = { diff --git a/drivers/acpi/executer/exfldio.c b/drivers/acpi/executer/exfldio.c index 051053f7cccb..40f0bee6faa5 100644 --- a/drivers/acpi/executer/exfldio.c +++ b/drivers/acpi/executer/exfldio.c @@ -727,11 +727,23 @@ acpi_ex_extract_from_field(union acpi_operand_object *obj_desc, return_ACPI_STATUS(status); } - /* Merge with previous datum if necessary */ - - merged_datum |= raw_datum << - (obj_desc->common_field.access_bit_width - - obj_desc->common_field.start_field_bit_offset); + /* + * Merge with previous datum if necessary. + * + * Note: Before the shift, check if the shift value will be larger than + * the integer size. If so, there is no need to perform the operation. + * This avoids the differences in behavior between different compilers + * concerning shift values larger than the target data width. + */ + if ((obj_desc->common_field.access_bit_width - + obj_desc->common_field.start_field_bit_offset) < + ACPI_INTEGER_BIT_SIZE) { + merged_datum |= + raw_datum << (obj_desc->common_field. + access_bit_width - + obj_desc->common_field. + start_field_bit_offset); + } if (i == datum_count) { break; @@ -808,13 +820,23 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, return_ACPI_STATUS(AE_BUFFER_OVERFLOW); } - /* Compute the number of datums (access width data items) */ + /* + * Create the bitmasks used for bit insertion. + * Note: This if/else is used to bypass compiler differences with the + * shift operator + */ + if (obj_desc->common_field.access_bit_width == ACPI_INTEGER_BIT_SIZE) { + width_mask = ACPI_INTEGER_MAX; + } else { + width_mask = + ACPI_MASK_BITS_ABOVE(obj_desc->common_field. + access_bit_width); + } - width_mask = - ACPI_MASK_BITS_ABOVE(obj_desc->common_field.access_bit_width); - mask = - width_mask & ACPI_MASK_BITS_BELOW(obj_desc->common_field. - start_field_bit_offset); + mask = width_mask & + ACPI_MASK_BITS_BELOW(obj_desc->common_field.start_field_bit_offset); + + /* Compute the number of datums (access width data items) */ datum_count = ACPI_ROUND_UP_TO(obj_desc->common_field.bit_length, obj_desc->common_field.access_bit_width); @@ -848,12 +870,29 @@ acpi_ex_insert_into_field(union acpi_operand_object *obj_desc, return_ACPI_STATUS(status); } - /* Start new output datum by merging with previous input datum */ - field_offset += obj_desc->common_field.access_byte_width; - merged_datum = raw_datum >> - (obj_desc->common_field.access_bit_width - - obj_desc->common_field.start_field_bit_offset); + + /* + * Start new output datum by merging with previous input datum + * if necessary. + * + * Note: Before the shift, check if the shift value will be larger than + * the integer size. If so, there is no need to perform the operation. + * This avoids the differences in behavior between different compilers + * concerning shift values larger than the target data width. + */ + if ((obj_desc->common_field.access_bit_width - + obj_desc->common_field.start_field_bit_offset) < + ACPI_INTEGER_BIT_SIZE) { + merged_datum = + raw_datum >> (obj_desc->common_field. + access_bit_width - + obj_desc->common_field. + start_field_bit_offset); + } else { + merged_datum = 0; + } + mask = width_mask; if (i == datum_count) { diff --git a/drivers/acpi/executer/exmutex.c b/drivers/acpi/executer/exmutex.c index 93098d68cadf..d8ac2877cf05 100644 --- a/drivers/acpi/executer/exmutex.c +++ b/drivers/acpi/executer/exmutex.c @@ -161,12 +161,13 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, /* * Current Sync must be less than or equal to the sync level of the - * mutex. This mechanism provides some deadlock prevention + * mutex. This mechanism provides some deadlock prevention */ if (walk_state->thread->current_sync_level > obj_desc->mutex.sync_level) { ACPI_ERROR((AE_INFO, - "Cannot acquire Mutex [%4.4s], incorrect SyncLevel", - acpi_ut_get_node_name(obj_desc->mutex.node))); + "Cannot acquire Mutex [%4.4s], current SyncLevel is too large (%d)", + acpi_ut_get_node_name(obj_desc->mutex.node), + walk_state->thread->current_sync_level)); return_ACPI_STATUS(AE_AML_MUTEX_ORDER); } @@ -178,8 +179,7 @@ acpi_ex_acquire_mutex(union acpi_operand_object *time_desc, if ((obj_desc->mutex.owner_thread->thread_id == walk_state->thread->thread_id) || - (obj_desc->mutex.semaphore == - acpi_gbl_global_lock_semaphore)) { + (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK)) { /* * The mutex is already owned by this thread, * just increment the acquisition depth @@ -264,7 +264,7 @@ acpi_ex_release_mutex(union acpi_operand_object *obj_desc, */ if ((obj_desc->mutex.owner_thread->thread_id != walk_state->thread->thread_id) - && (obj_desc->mutex.semaphore != acpi_gbl_global_lock_semaphore)) { + && (obj_desc->mutex.os_mutex != ACPI_GLOBAL_LOCK)) { ACPI_ERROR((AE_INFO, "Thread %X cannot release Mutex [%4.4s] acquired by thread %X", walk_state->thread->thread_id, diff --git a/drivers/acpi/executer/exsystem.c b/drivers/acpi/executer/exsystem.c index 52beee3674a0..6b5d1e6ce94b 100644 --- a/drivers/acpi/executer/exsystem.c +++ b/drivers/acpi/executer/exsystem.c @@ -63,14 +63,14 @@ ACPI_MODULE_NAME("exsystem") * interpreter is released. * ******************************************************************************/ -acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout) +acpi_status acpi_ex_system_wait_semaphore(acpi_semaphore semaphore, u16 timeout) { acpi_status status; acpi_status status2; ACPI_FUNCTION_TRACE(ex_system_wait_semaphore); - status = acpi_os_wait_semaphore(semaphore, 1, 0); + status = acpi_os_wait_semaphore(semaphore, 1, ACPI_DO_NOT_WAIT); if (ACPI_SUCCESS(status)) { return_ACPI_STATUS(status); } @@ -103,6 +103,59 @@ acpi_status acpi_ex_system_wait_semaphore(acpi_handle semaphore, u16 timeout) /******************************************************************************* * + * FUNCTION: acpi_ex_system_wait_mutex + * + * PARAMETERS: Mutex - Mutex to wait on + * Timeout - Max time to wait + * + * RETURN: Status + * + * DESCRIPTION: Implements a semaphore wait with a check to see if the + * semaphore is available immediately. If it is not, the + * interpreter is released. + * + ******************************************************************************/ + +acpi_status acpi_ex_system_wait_mutex(acpi_mutex mutex, u16 timeout) +{ + acpi_status status; + acpi_status status2; + + ACPI_FUNCTION_TRACE(ex_system_wait_mutex); + + status = acpi_os_acquire_mutex(mutex, ACPI_DO_NOT_WAIT); + if (ACPI_SUCCESS(status)) { + return_ACPI_STATUS(status); + } + + if (status == AE_TIME) { + + /* We must wait, so unlock the interpreter */ + + acpi_ex_exit_interpreter(); + + status = acpi_os_acquire_mutex(mutex, timeout); + + ACPI_DEBUG_PRINT((ACPI_DB_EXEC, + "*** Thread awake after blocking, %s\n", + acpi_format_exception(status))); + + /* Reacquire the interpreter */ + + status2 = acpi_ex_enter_interpreter(); + if (ACPI_FAILURE(status2)) { + + /* Report fatal error, could not acquire interpreter */ + + return_ACPI_STATUS(status2); + } + } + + return_ACPI_STATUS(status); +} + +/******************************************************************************* + * * FUNCTION: acpi_ex_system_do_stall * * PARAMETERS: how_long - The amount of time to stall, @@ -176,7 +229,7 @@ acpi_status acpi_ex_system_do_suspend(acpi_integer how_long) * * FUNCTION: acpi_ex_system_acquire_mutex * - * PARAMETERS: time_desc - The 'time to delay' object descriptor + * PARAMETERS: time_desc - Maximum time to wait for the mutex * obj_desc - The object descriptor for this op * * RETURN: Status @@ -201,14 +254,14 @@ acpi_ex_system_acquire_mutex(union acpi_operand_object * time_desc, /* Support for the _GL_ Mutex object -- go get the global lock */ - if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) { + if (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK) { status = acpi_ev_acquire_global_lock((u16) time_desc->integer.value); return_ACPI_STATUS(status); } - status = acpi_ex_system_wait_semaphore(obj_desc->mutex.semaphore, - (u16) time_desc->integer.value); + status = acpi_ex_system_wait_mutex(obj_desc->mutex.os_mutex, + (u16) time_desc->integer.value); return_ACPI_STATUS(status); } @@ -239,13 +292,13 @@ acpi_status acpi_ex_system_release_mutex(union acpi_operand_object *obj_desc) /* Support for the _GL_ Mutex object -- release the global lock */ - if (obj_desc->mutex.semaphore == acpi_gbl_global_lock_semaphore) { + if (obj_desc->mutex.os_mutex == ACPI_GLOBAL_LOCK) { status = acpi_ev_release_global_lock(); return_ACPI_STATUS(status); } - status = acpi_os_signal_semaphore(obj_desc->mutex.semaphore, 1); - return_ACPI_STATUS(status); + acpi_os_release_mutex(obj_desc->mutex.os_mutex); + return_ACPI_STATUS(AE_OK); } /******************************************************************************* @@ -268,7 +321,8 @@ acpi_status acpi_ex_system_signal_event(union acpi_operand_object *obj_desc) ACPI_FUNCTION_TRACE(ex_system_signal_event); if (obj_desc) { - status = acpi_os_signal_semaphore(obj_desc->event.semaphore, 1); + status = + acpi_os_signal_semaphore(obj_desc->event.os_semaphore, 1); } return_ACPI_STATUS(status); @@ -299,7 +353,7 @@ acpi_ex_system_wait_event(union acpi_operand_object *time_desc, if (obj_desc) { status = - acpi_ex_system_wait_semaphore(obj_desc->event.semaphore, + acpi_ex_system_wait_semaphore(obj_desc->event.os_semaphore, (u16) time_desc->integer. value); } @@ -322,7 +376,7 @@ acpi_ex_system_wait_event(union acpi_operand_object *time_desc, acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc) { acpi_status status = AE_OK; - void *temp_semaphore; + acpi_semaphore temp_semaphore; ACPI_FUNCTION_ENTRY(); @@ -333,8 +387,8 @@ acpi_status acpi_ex_system_reset_event(union acpi_operand_object *obj_desc) status = acpi_os_create_semaphore(ACPI_NO_UNIT_LIMIT, 0, &temp_semaphore); if (ACPI_SUCCESS(status)) { - (void)acpi_os_delete_semaphore(obj_desc->event.semaphore); - obj_desc->event.semaphore = temp_semaphore; + (void)acpi_os_delete_semaphore(obj_desc->event.os_semaphore); + obj_desc->event.os_semaphore = temp_semaphore; } return (status); diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 1cd25784b7a4..38acc69b21bc 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -78,7 +78,6 @@ static int acpi_fan_read_state(struct seq_file *seq, void *offset) struct acpi_fan *fan = seq->private; int state = 0; - ACPI_FUNCTION_TRACE("acpi_fan_read_state"); if (fan) { if (acpi_bus_get_power(fan->handle, &state)) @@ -87,7 +86,7 @@ static int acpi_fan_read_state(struct seq_file *seq, void *offset) seq_printf(seq, "status: %s\n", !state ? "on" : "off"); } - return_VALUE(0); + return 0; } static int acpi_fan_state_open_fs(struct inode *inode, struct file *file) @@ -104,22 +103,21 @@ acpi_fan_write_state(struct file *file, const char __user * buffer, struct acpi_fan *fan = (struct acpi_fan *)m->private; char state_string[12] = { '\0' }; - ACPI_FUNCTION_TRACE("acpi_fan_write_state"); if (!fan || (count > sizeof(state_string) - 1)) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(state_string, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; state_string[count] = '\0'; result = acpi_bus_set_power(fan->handle, simple_strtoul(state_string, NULL, 0)); if (result) - return_VALUE(result); + return result; - return_VALUE(count); + return count; } static struct file_operations acpi_fan_state_ops = { @@ -135,16 +133,15 @@ static int acpi_fan_add_fs(struct acpi_device *device) { struct proc_dir_entry *entry = NULL; - ACPI_FUNCTION_TRACE("acpi_fan_add_fs"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_fan_dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; acpi_device_dir(device)->owner = THIS_MODULE; } @@ -153,21 +150,18 @@ static int acpi_fan_add_fs(struct acpi_device *device) S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_FAN_FILE_STATE)); + return -ENODEV; else { entry->proc_fops = &acpi_fan_state_ops; entry->data = acpi_driver_data(device); entry->owner = THIS_MODULE; } - return_VALUE(0); + return 0; } static int acpi_fan_remove_fs(struct acpi_device *device) { - ACPI_FUNCTION_TRACE("acpi_fan_remove_fs"); if (acpi_device_dir(device)) { remove_proc_entry(ACPI_FAN_FILE_STATE, acpi_device_dir(device)); @@ -175,7 +169,7 @@ static int acpi_fan_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -188,14 +182,13 @@ static int acpi_fan_add(struct acpi_device *device) struct acpi_fan *fan = NULL; int state = 0; - ACPI_FUNCTION_TRACE("acpi_fan_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; fan = kmalloc(sizeof(struct acpi_fan), GFP_KERNEL); if (!fan) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(fan, 0, sizeof(struct acpi_fan)); fan->handle = device->handle; @@ -205,8 +198,7 @@ static int acpi_fan_add(struct acpi_device *device) result = acpi_bus_get_power(fan->handle, &state); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error reading power state\n")); + printk(KERN_ERR PREFIX "Reading power state\n"); goto end; } @@ -226,17 +218,16 @@ static int acpi_fan_add(struct acpi_device *device) if (result) kfree(fan); - return_VALUE(result); + return result; } static int acpi_fan_remove(struct acpi_device *device, int type) { struct acpi_fan *fan = NULL; - ACPI_FUNCTION_TRACE("acpi_fan_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; fan = (struct acpi_fan *)acpi_driver_data(device); @@ -244,7 +235,7 @@ static int acpi_fan_remove(struct acpi_device *device, int type) kfree(fan); - return_VALUE(0); + return 0; } static int acpi_fan_suspend(struct acpi_device *device, int state) @@ -283,31 +274,29 @@ static int __init acpi_fan_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_fan_init"); acpi_fan_dir = proc_mkdir(ACPI_FAN_CLASS, acpi_root_dir); if (!acpi_fan_dir) - return_VALUE(-ENODEV); + return -ENODEV; acpi_fan_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_fan_driver); if (result < 0) { remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } static void __exit acpi_fan_exit(void) { - ACPI_FUNCTION_TRACE("acpi_fan_exit"); acpi_bus_unregister_driver(&acpi_fan_driver); remove_proc_entry(ACPI_FAN_CLASS, acpi_root_dir); - return_VOID; + return; } module_init(acpi_fan_init); diff --git a/drivers/acpi/hardware/hwregs.c b/drivers/acpi/hardware/hwregs.c index ae142de19507..3143f36fcec9 100644 --- a/drivers/acpi/hardware/hwregs.c +++ b/drivers/acpi/hardware/hwregs.c @@ -172,9 +172,9 @@ acpi_get_sleep_type_data(u8 sleep_state, u8 * sleep_type_a, u8 * sleep_type_b) } /* - * The package must have at least two elements. NOTE (March 2005): This + * The package must have at least two elements. NOTE (March 2005): This * goes against the current ACPI spec which defines this object as a - * package with one encoded DWORD element. However, existing practice + * package with one encoded DWORD element. However, existing practice * by BIOS vendors seems to be to have 2 or more elements, at least * one per sleep type (A/B). */ @@ -255,7 +255,7 @@ struct acpi_bit_register_info *acpi_hw_get_bit_register_info(u32 register_id) * return_value - Value that was read from the register * Flags - Lock the hardware or not * - * RETURN: Status and the value read from specified Register. Value + * RETURN: Status and the value read from specified Register. Value * returned is normalized to bit0 (is shifted all the way right) * * DESCRIPTION: ACPI bit_register read function. @@ -361,8 +361,8 @@ acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags) case ACPI_REGISTER_PM1_STATUS: /* - * Status Registers are different from the rest. Clear by - * writing 1, and writing 0 has no effect. So, the only relevant + * Status Registers are different from the rest. Clear by + * writing 1, and writing 0 has no effect. So, the only relevant * information is the single bit we're interested in, all others should * be written as 0 so they will be left unchanged. */ @@ -467,14 +467,13 @@ ACPI_EXPORT_SYMBOL(acpi_set_register) * * FUNCTION: acpi_hw_register_read * - * PARAMETERS: use_lock - Mutex hw access - * register_id - register_iD + Offset + * PARAMETERS: use_lock - Lock hardware? True/False + * register_id - ACPI Register ID * return_value - Where the register value is returned * * RETURN: Status and the value read. * - * DESCRIPTION: Acpi register read function. Registers are read at the - * given offset. + * DESCRIPTION: Read from the specified ACPI register * ******************************************************************************/ acpi_status @@ -580,14 +579,26 @@ acpi_hw_register_read(u8 use_lock, u32 register_id, u32 * return_value) * * FUNCTION: acpi_hw_register_write * - * PARAMETERS: use_lock - Mutex hw access - * register_id - register_iD + Offset + * PARAMETERS: use_lock - Lock hardware? True/False + * register_id - ACPI Register ID * Value - The value to write * * RETURN: Status * - * DESCRIPTION: Acpi register Write function. Registers are written at the - * given offset. + * DESCRIPTION: Write to the specified ACPI register + * + * NOTE: In accordance with the ACPI specification, this function automatically + * preserves the value of the following bits, meaning that these bits cannot be + * changed via this interface: + * + * PM1_CONTROL[0] = SCI_EN + * PM1_CONTROL[9] + * PM1_STATUS[11] + * + * ACPI References: + * 1) Hardware Ignored Bits: When software writes to a register with ignored + * bit fields, it preserves the ignored bit fields + * 2) SCI_EN: OSPM always preserves this bit position * ******************************************************************************/ @@ -595,6 +606,7 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value) { acpi_status status; acpi_cpu_flags lock_flags = 0; + u32 read_value; ACPI_FUNCTION_TRACE(hw_register_write); @@ -605,6 +617,22 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value) switch (register_id) { case ACPI_REGISTER_PM1_STATUS: /* 16-bit access */ + /* Perform a read first to preserve certain bits (per ACPI spec) */ + + status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK, + ACPI_REGISTER_PM1_STATUS, + &read_value); + if (ACPI_FAILURE(status)) { + goto unlock_and_exit; + } + + /* Insert the bits to be preserved */ + + ACPI_INSERT_BITS(value, ACPI_PM1_STATUS_PRESERVED_BITS, + read_value); + + /* Now we can write the data */ + status = acpi_hw_low_level_write(16, value, &acpi_gbl_FADT->xpm1a_evt_blk); @@ -635,6 +663,25 @@ acpi_status acpi_hw_register_write(u8 use_lock, u32 register_id, u32 value) case ACPI_REGISTER_PM1_CONTROL: /* 16-bit access */ + /* + * Perform a read first to preserve certain bits (per ACPI spec) + * + * Note: This includes SCI_EN, we never want to change this bit + */ + status = acpi_hw_register_read(ACPI_MTX_DO_NOT_LOCK, + ACPI_REGISTER_PM1_CONTROL, + &read_value); + if (ACPI_FAILURE(status)) { + goto unlock_and_exit; + } + + /* Insert the bits to be preserved */ + + ACPI_INSERT_BITS(value, ACPI_PM1_CONTROL_PRESERVED_BITS, + read_value); + + /* Now we can write the data */ + status = acpi_hw_low_level_write(16, value, &acpi_gbl_FADT->xpm1a_cnt_blk); @@ -726,7 +773,7 @@ acpi_hw_low_level_read(u32 width, u32 * value, struct acpi_generic_address *reg) return (AE_OK); } - /* Get a local copy of the address. Handles possible alignment issues */ + /* Get a local copy of the address. Handles possible alignment issues */ ACPI_MOVE_64_TO_64(&address, ®->address); if (!address) { @@ -798,7 +845,7 @@ acpi_hw_low_level_write(u32 width, u32 value, struct acpi_generic_address * reg) return (AE_OK); } - /* Get a local copy of the address. Handles possible alignment issues */ + /* Get a local copy of the address. Handles possible alignment issues */ ACPI_MOVE_64_TO_64(&address, ®->address); if (!address) { diff --git a/drivers/acpi/hotkey.c b/drivers/acpi/hotkey.c index c25b2b92edcf..fd81a0f5222f 100644 --- a/drivers/acpi/hotkey.c +++ b/drivers/acpi/hotkey.c @@ -231,11 +231,10 @@ struct list_head hotkey_entries; /* head of the list of hotkey_list */ static int hotkey_info_seq_show(struct seq_file *seq, void *offset) { - ACPI_FUNCTION_TRACE("hotkey_info_seq_show"); seq_printf(seq, "Hotkey generic driver ver: %s\n", HOTKEY_ACPI_VERSION); - return_VALUE(0); + return 0; } static int hotkey_info_open_fs(struct inode *inode, struct file *file) @@ -266,7 +265,6 @@ static int hotkey_polling_seq_show(struct seq_file *seq, void *offset) (struct acpi_polling_hotkey *)seq->private; char *buf; - ACPI_FUNCTION_TRACE("hotkey_polling_seq_show"); if (poll_hotkey->poll_result) { buf = format_result(poll_hotkey->poll_result); @@ -274,7 +272,7 @@ static int hotkey_polling_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "%s", buf); kfree(buf); } - return_VALUE(0); + return 0; } static int hotkey_polling_open_fs(struct inode *inode, struct file *file) @@ -293,7 +291,6 @@ static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list) struct list_head *entries; int val = -1; - ACPI_FUNCTION_TRACE("hotkey_get_internal_event"); list_for_each(entries, list->entries) { union acpi_hotkey *key = @@ -305,7 +302,7 @@ static int hotkey_get_internal_event(int event, struct acpi_hotkey_list *list) } } - return_VALUE(val); + return val; } static void @@ -314,15 +311,14 @@ acpi_hotkey_notify_handler(acpi_handle handle, u32 event, void *data) struct acpi_device *device = NULL; u32 internal_event; - ACPI_FUNCTION_TRACE("acpi_hotkey_notify_handler"); if (acpi_bus_get_device(handle, &device)) - return_VOID; + return; internal_event = hotkey_get_internal_event(event, &global_hotkey_list); acpi_bus_generate_event(device, internal_event, 0); - return_VOID; + return; } /* Need to invent automatically hotkey add method */ @@ -346,7 +342,6 @@ static int create_polling_proc(union acpi_hotkey *device) char proc_name[80]; mode_t mode; - ACPI_FUNCTION_TRACE("create_polling_proc"); mode = S_IFREG | S_IRUGO | S_IWUGO; sprintf(proc_name, "%d", device->link.hotkey_standard_num); @@ -356,10 +351,7 @@ static int create_polling_proc(union acpi_hotkey *device) proc = create_proc_entry(proc_name, mode, hotkey_proc_dir); if (!proc) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Hotkey: Unable to create %s entry\n", - device->poll_hotkey.poll_method)); - return_VALUE(-ENODEV); + return -ENODEV; } else { proc->proc_fops = &hotkey_polling_fops; proc->owner = THIS_MODULE; @@ -368,7 +360,7 @@ static int create_polling_proc(union acpi_hotkey *device) proc->gid = 0; device->poll_hotkey.proc = proc; } - return_VALUE(0); + return 0; } static int hotkey_add(union acpi_hotkey *device) @@ -376,7 +368,6 @@ static int hotkey_add(union acpi_hotkey *device) int status = 0; struct acpi_device *dev = NULL; - ACPI_FUNCTION_TRACE("hotkey_add"); if (device->link.hotkey_type == ACPI_HOTKEY_EVENT) { acpi_bus_get_device(device->event_hotkey.bus_handle, &dev); @@ -391,14 +382,13 @@ static int hotkey_add(union acpi_hotkey *device) list_add_tail(&device->link.entries, global_hotkey_list.entries); - return_VALUE(status); + return status; } static int hotkey_remove(union acpi_hotkey *device) { struct list_head *entries, *next; - ACPI_FUNCTION_TRACE("hotkey_remove"); list_for_each_safe(entries, next, global_hotkey_list.entries) { union acpi_hotkey *key = @@ -412,14 +402,13 @@ static int hotkey_remove(union acpi_hotkey *device) } } kfree(device); - return_VALUE(0); + return 0; } static int hotkey_update(union acpi_hotkey *key) { struct list_head *entries; - ACPI_FUNCTION_TRACE("hotkey_update"); list_for_each(entries, global_hotkey_list.entries) { union acpi_hotkey *tmp = @@ -461,19 +450,18 @@ static int hotkey_update(union acpi_hotkey *key) */ kfree(key); } - return_VALUE(0); + return 0; break; } } - return_VALUE(-ENODEV); + return -ENODEV; } static void free_hotkey_device(union acpi_hotkey *key) { struct acpi_device *dev; - ACPI_FUNCTION_TRACE("free_hotkey_device"); if (key->link.hotkey_type == ACPI_HOTKEY_EVENT) { acpi_bus_get_device(key->event_hotkey.bus_handle, &dev); @@ -493,7 +481,7 @@ static void free_hotkey_device(union acpi_hotkey *key) free_poll_hotkey_buffer(key); } kfree(key); - return_VOID; + return; } static void free_hotkey_buffer(union acpi_hotkey *key) @@ -514,7 +502,6 @@ init_hotkey_device(union acpi_hotkey *key, char *bus_str, char *action_str, acpi_handle tmp_handle; acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE("init_hotkey_device"); if (std_num < 0 || IS_POLL(std_num) || !key) goto do_fail; @@ -541,9 +528,9 @@ init_hotkey_device(union acpi_hotkey *key, char *bus_str, char *action_str, method, &tmp_handle); if (ACPI_FAILURE(status)) goto do_fail; - return_VALUE(AE_OK); + return AE_OK; do_fail: - return_VALUE(-ENODEV); + return -ENODEV; } static int @@ -555,7 +542,6 @@ init_poll_hotkey_device(union acpi_hotkey *key, acpi_status status = AE_OK; acpi_handle tmp_handle; - ACPI_FUNCTION_TRACE("init_poll_hotkey_device"); if (std_num < 0 || IS_EVENT(std_num) || !key) goto do_fail; @@ -590,22 +576,20 @@ init_poll_hotkey_device(union acpi_hotkey *key, (union acpi_object *)kmalloc(sizeof(union acpi_object), GFP_KERNEL); if (!key->poll_hotkey.poll_result) goto do_fail; - return_VALUE(AE_OK); + return AE_OK; do_fail: - return_VALUE(-ENODEV); + return -ENODEV; } static int hotkey_open_config(struct inode *inode, struct file *file) { - ACPI_FUNCTION_TRACE("hotkey_open_config"); - return_VALUE(single_open + return (single_open (file, hotkey_config_seq_show, PDE(inode)->data)); } static int hotkey_poll_open_config(struct inode *inode, struct file *file) { - ACPI_FUNCTION_TRACE("hotkey_poll_open_config"); - return_VALUE(single_open + return (single_open (file, hotkey_poll_config_seq_show, PDE(inode)->data)); } @@ -618,7 +602,6 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset) struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name }; struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name }; - ACPI_FUNCTION_TRACE(("hotkey_config_seq_show")); list_for_each(entries, hotkey_list->entries) { union acpi_hotkey *key = @@ -636,7 +619,7 @@ static int hotkey_config_seq_show(struct seq_file *seq, void *offset) } } seq_puts(seq, "\n"); - return_VALUE(0); + return 0; } static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset) @@ -648,7 +631,6 @@ static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset) struct acpi_buffer bus = { ACPI_PATHNAME_MAX, bus_name }; struct acpi_buffer act = { ACPI_PATHNAME_MAX, action_name }; - ACPI_FUNCTION_TRACE(("hotkey_config_seq_show")); list_for_each(entries, hotkey_list->entries) { union acpi_hotkey *key = @@ -666,7 +648,7 @@ static int hotkey_poll_config_seq_show(struct seq_file *seq, void *offset) } } seq_puts(seq, "\n"); - return_VALUE(0); + return 0; } static int @@ -678,7 +660,6 @@ get_parms(char *config_record, char **method, int *internal_event_num, int *external_event_num) { char *tmp, *tmp1, count; - ACPI_FUNCTION_TRACE(("get_parms")); sscanf(config_record, "%d", cmd); @@ -744,9 +725,9 @@ get_parms(char *config_record, 0) goto do_fail; - return_VALUE(6); + return 6; do_fail: - return_VALUE(-1); + return -1; } /* count is length for one input record */ @@ -763,16 +744,15 @@ static ssize_t hotkey_write_config(struct file *file, int ret = 0; union acpi_hotkey *key = NULL; - ACPI_FUNCTION_TRACE(("hotkey_write_config")); config_record = (char *)kmalloc(count + 1, GFP_KERNEL); if (!config_record) - return_VALUE(-ENOMEM); + return -ENOMEM; if (copy_from_user(config_record, buffer, count)) { kfree(config_record); - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data \n")); - return_VALUE(-EINVAL); + printk(KERN_ERR PREFIX "Invalid data\n"); + return -EINVAL; } config_record[count] = 0; @@ -792,9 +772,8 @@ static ssize_t hotkey_write_config(struct file *file, kfree(bus_method); kfree(action_handle); kfree(method); - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid data format ret=%d\n", ret)); - return_VALUE(-EINVAL); + printk(KERN_ERR PREFIX "Invalid data format ret=%d\n", ret); + return -EINVAL; } key = kmalloc(sizeof(union acpi_hotkey), GFP_KERNEL); @@ -806,7 +785,7 @@ static ssize_t hotkey_write_config(struct file *file, tmp = get_hotkey_by_event(&global_hotkey_list, internal_event_num); if (!tmp) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid key")); + printk(KERN_ERR PREFIX "Invalid key\n"); else memcpy(key, tmp, sizeof(union acpi_hotkey)); goto cont_cmd; @@ -828,8 +807,8 @@ static ssize_t hotkey_write_config(struct file *file, else free_poll_hotkey_buffer(key); kfree(key); - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid hotkey \n")); - return_VALUE(-EINVAL); + printk(KERN_ERR PREFIX "Invalid hotkey\n"); + return -EINVAL; } cont_cmd: @@ -855,15 +834,15 @@ static ssize_t hotkey_write_config(struct file *file, goto fail_out; break; } - return_VALUE(count); + return count; fail_out: if (IS_EVENT(internal_event_num)) free_hotkey_buffer(key); else free_poll_hotkey_buffer(key); kfree(key); - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "invalid key\n")); - return_VALUE(-EINVAL); + printk(KERN_ERR PREFIX "invalid key\n"); + return -EINVAL; } /* @@ -880,7 +859,6 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val, union acpi_object in_obj; /* the only param we use */ acpi_status status; - ACPI_FUNCTION_TRACE("write_acpi_int"); params.count = 1; params.pointer = &in_obj; in_obj.type = ACPI_TYPE_INTEGER; @@ -888,7 +866,7 @@ static int write_acpi_int(acpi_handle handle, const char *method, int val, status = acpi_evaluate_object(handle, (char *)method, ¶ms, output); - return_VALUE(status == AE_OK); + return (status == AE_OK); } static int read_acpi_int(acpi_handle handle, const char *method, @@ -898,7 +876,6 @@ static int read_acpi_int(acpi_handle handle, const char *method, union acpi_object out_obj; acpi_status status; - ACPI_FUNCTION_TRACE("read_acpi_int"); output.length = sizeof(out_obj); output.pointer = &out_obj; @@ -907,8 +884,8 @@ static int read_acpi_int(acpi_handle handle, const char *method, val->integer.value = out_obj.integer.value; val->type = out_obj.type; } else - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "null val pointer")); - return_VALUE((status == AE_OK) + printk(KERN_ERR PREFIX "null val pointer\n"); + return ((status == AE_OK) && (out_obj.type == ACPI_TYPE_INTEGER)); } @@ -945,24 +922,23 @@ static ssize_t hotkey_execute_aml_method(struct file *file, int event, method_type, type, value; union acpi_hotkey *key; - ACPI_FUNCTION_TRACE("hotkey_execte_aml_method"); arg = (char *)kmalloc(count + 1, GFP_KERNEL); if (!arg) - return_VALUE(-ENOMEM); + return -ENOMEM; arg[count] = 0; if (copy_from_user(arg, buffer, count)) { kfree(arg); - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 2")); - return_VALUE(-EINVAL); + 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); - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument 3")); - return_VALUE(-EINVAL); + printk(KERN_ERR PREFIX "Invalid argument 3\n"); + return -EINVAL; } kfree(arg); if (type == ACPI_TYPE_INTEGER) { @@ -987,12 +963,12 @@ static ssize_t hotkey_execute_aml_method(struct file *file, } } else { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Not supported")); - return_VALUE(-EINVAL); + printk(KERN_WARNING "Not supported\n"); + return -EINVAL; } - return_VALUE(count); + return count; do_fail: - return_VALUE(-EINVAL); + return -EINVAL; } @@ -1001,7 +977,6 @@ static int __init hotkey_init(void) int result; mode_t mode = S_IFREG | S_IRUGO | S_IWUGO; - ACPI_FUNCTION_TRACE("hotkey_init"); if (acpi_disabled) return -ENODEV; @@ -1013,9 +988,6 @@ static int __init hotkey_init(void) hotkey_proc_dir = proc_mkdir(HOTKEY_PROC, acpi_root_dir); if (!hotkey_proc_dir) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Hotkey: Unable to create %s entry\n", - HOTKEY_PROC)); return (-ENODEV); } hotkey_proc_dir->owner = THIS_MODULE; @@ -1023,9 +995,6 @@ static int __init hotkey_init(void) hotkey_config = create_proc_entry(HOTKEY_EV_CONFIG, mode, hotkey_proc_dir); if (!hotkey_config) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Hotkey: Unable to create %s entry\n", - HOTKEY_EV_CONFIG)); goto do_fail1; } else { hotkey_config->proc_fops = &hotkey_config_fops; @@ -1038,10 +1007,6 @@ static int __init hotkey_init(void) hotkey_poll_config = create_proc_entry(HOTKEY_PL_CONFIG, mode, hotkey_proc_dir); if (!hotkey_poll_config) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Hotkey: Unable to create %s entry\n", - HOTKEY_EV_CONFIG)); - goto do_fail2; } else { hotkey_poll_config->proc_fops = &hotkey_poll_config_fops; @@ -1053,9 +1018,6 @@ static int __init hotkey_init(void) hotkey_action = create_proc_entry(HOTKEY_ACTION, mode, hotkey_proc_dir); if (!hotkey_action) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Hotkey: Unable to create %s entry\n", - HOTKEY_ACTION)); goto do_fail3; } else { hotkey_action->proc_fops = &hotkey_action_fops; @@ -1066,9 +1028,6 @@ static int __init hotkey_init(void) hotkey_info = create_proc_entry(HOTKEY_INFO, mode, hotkey_proc_dir); if (!hotkey_info) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Hotkey: Unable to create %s entry\n", - HOTKEY_INFO)); goto do_fail4; } else { hotkey_info->proc_fops = &hotkey_info_fops; @@ -1104,7 +1063,6 @@ static void __exit hotkey_exit(void) { struct list_head *entries, *next; - ACPI_FUNCTION_TRACE("hotkey_exit"); list_for_each_safe(entries, next, global_hotkey_list.entries) { union acpi_hotkey *key = diff --git a/drivers/acpi/motherboard.c b/drivers/acpi/motherboard.c index d51d68f5dd8d..ec6b7f9ede34 100644 --- a/drivers/acpi/motherboard.c +++ b/drivers/acpi/motherboard.c @@ -52,13 +52,12 @@ static acpi_status acpi_reserve_io_ranges(struct acpi_resource *res, void *data) { struct resource *requested_res = NULL; - ACPI_FUNCTION_TRACE("acpi_reserve_io_ranges"); if (res->type == ACPI_RESOURCE_TYPE_IO) { struct acpi_resource_io *io_res = &res->data.io; if (io_res->minimum != io_res->maximum) - return_VALUE(AE_OK); + return AE_OK; if (IS_RESERVED_ADDR (io_res->minimum, io_res->address_length)) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, @@ -92,7 +91,7 @@ static acpi_status acpi_reserve_io_ranges(struct acpi_resource *res, void *data) if (requested_res) requested_res->flags &= ~IORESOURCE_BUSY; - return_VALUE(AE_OK); + return AE_OK; } static int acpi_motherboard_add(struct acpi_device *device) diff --git a/drivers/acpi/namespace/nsaccess.c b/drivers/acpi/namespace/nsaccess.c index 48fadade52e2..c1c6c236df9a 100644 --- a/drivers/acpi/namespace/nsaccess.c +++ b/drivers/acpi/namespace/nsaccess.c @@ -196,33 +196,30 @@ acpi_status acpi_ns_root_initialize(void) (u8) (ACPI_TO_INTEGER(val) - 1); if (ACPI_STRCMP(init_val->name, "_GL_") == 0) { - /* - * Create a counting semaphore for the - * global lock - */ + + /* Create a counting semaphore for the global lock */ + status = acpi_os_create_semaphore (ACPI_NO_UNIT_LIMIT, 1, - &obj_desc->mutex.semaphore); + &acpi_gbl_global_lock_semaphore); if (ACPI_FAILURE(status)) { acpi_ut_remove_reference (obj_desc); goto unlock_and_exit; } - /* - * We just created the mutex for the - * global lock, save it - */ - acpi_gbl_global_lock_semaphore = - obj_desc->mutex.semaphore; + /* Mark this mutex as very special */ + + obj_desc->mutex.os_mutex = + ACPI_GLOBAL_LOCK; } else { /* Create a mutex */ - status = acpi_os_create_semaphore(1, 1, - &obj_desc-> - mutex. - semaphore); + status = + acpi_os_create_mutex(&obj_desc-> + mutex. + os_mutex); if (ACPI_FAILURE(status)) { acpi_ut_remove_reference (obj_desc); diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 1bb558adee66..afd937b158b3 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -137,6 +137,7 @@ void acpi_os_vprintf(const char *fmt, va_list args) #endif } + extern int acpi_in_resume; void *acpi_os_allocate(acpi_size size) { @@ -586,19 +587,18 @@ static void acpi_os_execute_deferred(void *context) { struct acpi_os_dpc *dpc = NULL; - ACPI_FUNCTION_TRACE("os_execute_deferred"); dpc = (struct acpi_os_dpc *)context; if (!dpc) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid (NULL) context.\n")); - return_VOID; + printk(KERN_ERR PREFIX "Invalid (NULL) context\n"); + return; } dpc->function(dpc->context); kfree(dpc); - return_VOID; + return; } static int acpi_os_execute_thread(void *context) @@ -688,35 +688,19 @@ EXPORT_SYMBOL(acpi_os_wait_events_complete); /* * Allocate the memory for a spinlock and initialize it. */ -acpi_status acpi_os_create_lock(acpi_handle * out_handle) +acpi_status acpi_os_create_lock(acpi_spinlock * handle) { - spinlock_t *lock_ptr; - - ACPI_FUNCTION_TRACE("os_create_lock"); - - lock_ptr = acpi_os_allocate(sizeof(spinlock_t)); - - spin_lock_init(lock_ptr); - - ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Creating spinlock[%p].\n", lock_ptr)); + spin_lock_init(*handle); - *out_handle = lock_ptr; - - return_ACPI_STATUS(AE_OK); + return AE_OK; } /* * Deallocate the memory for a spinlock. */ -void acpi_os_delete_lock(acpi_handle handle) +void acpi_os_delete_lock(acpi_spinlock handle) { - ACPI_FUNCTION_TRACE("os_create_lock"); - - ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting spinlock[%p].\n", handle)); - - acpi_os_free(handle); - - return_VOID; + return; } acpi_status @@ -724,11 +708,10 @@ acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle) { struct semaphore *sem = NULL; - ACPI_FUNCTION_TRACE("os_create_semaphore"); sem = acpi_os_allocate(sizeof(struct semaphore)); if (!sem) - return_ACPI_STATUS(AE_NO_MEMORY); + return AE_NO_MEMORY; memset(sem, 0, sizeof(struct semaphore)); sema_init(sem, initial_units); @@ -738,7 +721,7 @@ acpi_os_create_semaphore(u32 max_units, u32 initial_units, acpi_handle * handle) ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Creating semaphore[%p|%d].\n", *handle, initial_units)); - return_ACPI_STATUS(AE_OK); + return AE_OK; } EXPORT_SYMBOL(acpi_os_create_semaphore); @@ -754,17 +737,16 @@ acpi_status acpi_os_delete_semaphore(acpi_handle handle) { struct semaphore *sem = (struct semaphore *)handle; - ACPI_FUNCTION_TRACE("os_delete_semaphore"); if (!sem) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Deleting semaphore[%p].\n", handle)); acpi_os_free(sem); sem = NULL; - return_ACPI_STATUS(AE_OK); + return AE_OK; } EXPORT_SYMBOL(acpi_os_delete_semaphore); @@ -784,13 +766,12 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout) struct semaphore *sem = (struct semaphore *)handle; int ret = 0; - ACPI_FUNCTION_TRACE("os_wait_semaphore"); if (!sem || (units < 1)) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; if (units > 1) - return_ACPI_STATUS(AE_SUPPORT); + return AE_SUPPORT; ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Waiting for semaphore[%p|%d|%d]\n", handle, units, timeout)); @@ -839,17 +820,17 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout) } if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Failed to acquire semaphore[%p|%d|%d], %s\n", + ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, + "Failed to acquire semaphore[%p|%d|%d], %s", handle, units, timeout, acpi_format_exception(status))); } else { ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Acquired semaphore[%p|%d|%d]\n", handle, + "Acquired semaphore[%p|%d|%d]", handle, units, timeout)); } - return_ACPI_STATUS(status); + return status; } EXPORT_SYMBOL(acpi_os_wait_semaphore); @@ -861,20 +842,19 @@ acpi_status acpi_os_signal_semaphore(acpi_handle handle, u32 units) { struct semaphore *sem = (struct semaphore *)handle; - ACPI_FUNCTION_TRACE("os_signal_semaphore"); if (!sem || (units < 1)) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; if (units > 1) - return_ACPI_STATUS(AE_SUPPORT); + return AE_SUPPORT; ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Signaling semaphore[%p|%d]\n", handle, units)); up(sem); - return_ACPI_STATUS(AE_OK); + return AE_OK; } EXPORT_SYMBOL(acpi_os_signal_semaphore); @@ -1043,10 +1023,10 @@ EXPORT_SYMBOL(max_cstate); * handle is a pointer to the spinlock_t. */ -acpi_cpu_flags acpi_os_acquire_lock(acpi_handle handle) +acpi_cpu_flags acpi_os_acquire_lock(acpi_spinlock lockp) { acpi_cpu_flags flags; - spin_lock_irqsave((spinlock_t *) handle, flags); + spin_lock_irqsave(lockp, flags); return flags; } @@ -1054,9 +1034,9 @@ acpi_cpu_flags acpi_os_acquire_lock(acpi_handle handle) * Release a spinlock. See above. */ -void acpi_os_release_lock(acpi_handle handle, acpi_cpu_flags flags) +void acpi_os_release_lock(acpi_spinlock lockp, acpi_cpu_flags flags) { - spin_unlock_irqrestore((spinlock_t *) handle, flags); + spin_unlock_irqrestore(lockp, flags); } #ifndef ACPI_USE_LOCAL_CACHE diff --git a/drivers/acpi/parser/psparse.c b/drivers/acpi/parser/psparse.c index 7ee2f2e77525..a02aa62fe1e5 100644 --- a/drivers/acpi/parser/psparse.c +++ b/drivers/acpi/parser/psparse.c @@ -469,6 +469,16 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) } walk_state->thread = thread; + + /* + * If executing a method, the starting sync_level is this method's + * sync_level + */ + if (walk_state->method_desc) { + walk_state->thread->current_sync_level = + walk_state->method_desc->method.sync_level; + } + acpi_ds_push_walk_state(walk_state, thread); /* @@ -505,6 +515,10 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) status = acpi_ds_call_control_method(thread, walk_state, NULL); + if (ACPI_FAILURE(status)) { + status = + acpi_ds_method_error(status, walk_state); + } /* * If the transfer to the new method method call worked, a new walk @@ -525,7 +539,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) /* Check for possible multi-thread reentrancy problem */ if ((status == AE_ALREADY_EXISTS) && - (!walk_state->method_desc->method.semaphore)) { + (!walk_state->method_desc->method.mutex)) { /* * Method tried to create an object twice. The probable cause is * that the method cannot handle reentrancy. @@ -537,7 +551,7 @@ acpi_status acpi_ps_parse_aml(struct acpi_walk_state *walk_state) */ walk_state->method_desc->method.method_flags |= AML_METHOD_SERIALIZED; - walk_state->method_desc->method.concurrency = 1; + walk_state->method_desc->method.sync_level = 0; } } diff --git a/drivers/acpi/pci_bind.c b/drivers/acpi/pci_bind.c index 2a718df769b5..1e2ae6e7a7e4 100644 --- a/drivers/acpi/pci_bind.c +++ b/drivers/acpi/pci_bind.c @@ -47,11 +47,10 @@ struct acpi_pci_data { static void acpi_pci_data_handler(acpi_handle handle, u32 function, void *context) { - ACPI_FUNCTION_TRACE("acpi_pci_data_handler"); /* TBD: Anything we need to do here? */ - return_VOID; + return; } /** @@ -68,25 +67,24 @@ acpi_status acpi_get_pci_id(acpi_handle handle, struct acpi_pci_id *id) struct acpi_device *device = NULL; struct acpi_pci_data *data = NULL; - ACPI_FUNCTION_TRACE("acpi_get_pci_id"); if (!id) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; result = acpi_bus_get_device(handle, &device); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid ACPI Bus context for device %s\n", - acpi_device_bid(device))); - return_ACPI_STATUS(AE_NOT_EXIST); + printk(KERN_ERR PREFIX + "Invalid ACPI Bus context for device %s\n", + acpi_device_bid(device)); + return AE_NOT_EXIST; } status = acpi_get_data(handle, acpi_pci_data_handler, (void **)&data); if (ACPI_FAILURE(status) || !data) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid ACPI-PCI context for device %s\n", - acpi_device_bid(device))); - return_ACPI_STATUS(status); + ACPI_EXCEPTION((AE_INFO, status, + "Invalid ACPI-PCI context for device %s", + acpi_device_bid(device))); + return status; } *id = data->id; @@ -103,7 +101,7 @@ acpi_status acpi_get_pci_id(acpi_handle handle, struct acpi_pci_id *id) acpi_device_bid(device), id->segment, id->bus, id->device, id->function)); - return_ACPI_STATUS(AE_OK); + return AE_OK; } EXPORT_SYMBOL(acpi_get_pci_id); @@ -120,14 +118,13 @@ int acpi_pci_bind(struct acpi_device *device) struct pci_dev *dev; struct pci_bus *bus; - ACPI_FUNCTION_TRACE("acpi_pci_bind"); if (!device || !device->parent) - return_VALUE(-EINVAL); + return -EINVAL; pathname = kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); if (!pathname) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(pathname, 0, ACPI_PATHNAME_MAX); buffer.length = ACPI_PATHNAME_MAX; buffer.pointer = pathname; @@ -135,7 +132,7 @@ int acpi_pci_bind(struct acpi_device *device) data = kmalloc(sizeof(struct acpi_pci_data), GFP_KERNEL); if (!data) { kfree(pathname); - return_VALUE(-ENOMEM); + return -ENOMEM; } memset(data, 0, sizeof(struct acpi_pci_data)); @@ -151,9 +148,9 @@ int acpi_pci_bind(struct acpi_device *device) status = acpi_get_data(device->parent->handle, acpi_pci_data_handler, (void **)&pdata); if (ACPI_FAILURE(status) || !pdata || !pdata->bus) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid ACPI-PCI context for parent device %s\n", - acpi_device_bid(device->parent))); + ACPI_EXCEPTION((AE_INFO, status, + "Invalid ACPI-PCI context for parent device %s", + acpi_device_bid(device->parent))); result = -ENODEV; goto end; } @@ -206,10 +203,10 @@ int acpi_pci_bind(struct acpi_device *device) goto end; } if (!data->dev->bus) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Device %02x:%02x:%02x.%02x has invalid 'bus' field\n", - data->id.segment, data->id.bus, - data->id.device, data->id.function)); + printk(KERN_ERR PREFIX + "Device %02x:%02x:%02x.%02x has invalid 'bus' field\n", + data->id.segment, data->id.bus, + data->id.device, data->id.function); result = -ENODEV; goto end; } @@ -237,9 +234,9 @@ int acpi_pci_bind(struct acpi_device *device) */ status = acpi_attach_data(device->handle, acpi_pci_data_handler, data); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to attach ACPI-PCI context to device %s\n", - acpi_device_bid(device))); + ACPI_EXCEPTION((AE_INFO, status, + "Unable to attach ACPI-PCI context to device %s", + acpi_device_bid(device))); result = -ENODEV; goto end; } @@ -269,7 +266,7 @@ int acpi_pci_bind(struct acpi_device *device) if (result) kfree(data); - return_VALUE(result); + return result; } int acpi_pci_unbind(struct acpi_device *device) @@ -280,14 +277,13 @@ int acpi_pci_unbind(struct acpi_device *device) char *pathname = NULL; struct acpi_buffer buffer = { 0, NULL }; - ACPI_FUNCTION_TRACE("acpi_pci_unbind"); if (!device || !device->parent) - return_VALUE(-EINVAL); + return -EINVAL; pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); if (!pathname) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(pathname, 0, ACPI_PATHNAME_MAX); buffer.length = ACPI_PATHNAME_MAX; @@ -301,18 +297,18 @@ int acpi_pci_unbind(struct acpi_device *device) acpi_get_data(device->handle, acpi_pci_data_handler, (void **)&data); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to get data from device %s\n", - acpi_device_bid(device))); + ACPI_EXCEPTION((AE_INFO, status, + "Unable to get data from device %s", + acpi_device_bid(device))); result = -ENODEV; goto end; } status = acpi_detach_data(device->handle, acpi_pci_data_handler); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to detach data from device %s\n", - acpi_device_bid(device))); + ACPI_EXCEPTION((AE_INFO, status, + "Unable to detach data from device %s", + acpi_device_bid(device))); result = -ENODEV; goto end; } @@ -322,7 +318,7 @@ int acpi_pci_unbind(struct acpi_device *device) kfree(data); end: - return_VALUE(result); + return result; } int @@ -335,11 +331,10 @@ acpi_pci_bind_root(struct acpi_device *device, char *pathname = NULL; struct acpi_buffer buffer = { 0, NULL }; - ACPI_FUNCTION_TRACE("acpi_pci_bind_root"); pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); if (!pathname) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(pathname, 0, ACPI_PATHNAME_MAX); buffer.length = ACPI_PATHNAME_MAX; @@ -347,13 +342,13 @@ acpi_pci_bind_root(struct acpi_device *device, if (!device || !id || !bus) { kfree(pathname); - return_VALUE(-EINVAL); + return -EINVAL; } data = kmalloc(sizeof(struct acpi_pci_data), GFP_KERNEL); if (!data) { kfree(pathname); - return_VALUE(-ENOMEM); + return -ENOMEM; } memset(data, 0, sizeof(struct acpi_pci_data)); @@ -369,9 +364,9 @@ acpi_pci_bind_root(struct acpi_device *device, status = acpi_attach_data(device->handle, acpi_pci_data_handler, data); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to attach ACPI-PCI context to device %s\n", - pathname)); + ACPI_EXCEPTION((AE_INFO, status, + "Unable to attach ACPI-PCI context to device %s", + pathname)); result = -ENODEV; goto end; } @@ -381,5 +376,5 @@ acpi_pci_bind_root(struct acpi_device *device, if (result != 0) kfree(data); - return_VALUE(result); + return result; } diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c index 65aee79b3971..fb96e3bf969b 100644 --- a/drivers/acpi/pci_irq.c +++ b/drivers/acpi/pci_irq.c @@ -55,10 +55,9 @@ static struct acpi_prt_entry *acpi_pci_irq_find_prt_entry(int segment, struct list_head *node = NULL; struct acpi_prt_entry *entry = NULL; - ACPI_FUNCTION_TRACE("acpi_pci_irq_find_prt_entry"); if (!acpi_prt.count) - return_PTR(NULL); + return NULL; /* * Parse through all PRT entries looking for a match on the specified @@ -73,12 +72,12 @@ static struct acpi_prt_entry *acpi_pci_irq_find_prt_entry(int segment, && (device == entry->id.device) && (pin == entry->pin)) { spin_unlock(&acpi_prt_lock); - return_PTR(entry); + return entry; } } spin_unlock(&acpi_prt_lock); - return_PTR(NULL); + return NULL; } static int @@ -87,14 +86,13 @@ acpi_pci_irq_add_entry(acpi_handle handle, { struct acpi_prt_entry *entry = NULL; - ACPI_FUNCTION_TRACE("acpi_pci_irq_add_entry"); if (!prt) - return_VALUE(-EINVAL); + return -EINVAL; entry = kmalloc(sizeof(struct acpi_prt_entry), GFP_KERNEL); if (!entry) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(entry, 0, sizeof(struct acpi_prt_entry)); entry->id.segment = segment; @@ -141,7 +139,7 @@ acpi_pci_irq_add_entry(acpi_handle handle, acpi_prt.count++; spin_unlock(&acpi_prt_lock); - return_VALUE(0); + return 0; } static void @@ -163,11 +161,10 @@ int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus) struct acpi_pci_routing_table *entry = NULL; static int first_time = 1; - ACPI_FUNCTION_TRACE("acpi_pci_irq_add_prt"); pathname = (char *)kmalloc(ACPI_PATHNAME_MAX, GFP_KERNEL); if (!pathname) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(pathname, 0, ACPI_PATHNAME_MAX); if (first_time) { @@ -197,24 +194,24 @@ int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus) kfree(pathname); status = acpi_get_irq_routing_table(handle, &buffer); if (status != AE_BUFFER_OVERFLOW) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PRT [%s]\n", - acpi_format_exception(status))); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRT [%s]", + acpi_format_exception(status))); + return -ENODEV; } prt = kmalloc(buffer.length, GFP_KERNEL); if (!prt) { - return_VALUE(-ENOMEM); + return -ENOMEM; } memset(prt, 0, buffer.length); buffer.pointer = prt; status = acpi_get_irq_routing_table(handle, &buffer); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PRT [%s]\n", - acpi_format_exception(status))); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRT [%s]", + acpi_format_exception(status))); kfree(buffer.pointer); - return_VALUE(-ENODEV); + return -ENODEV; } entry = prt; @@ -227,7 +224,7 @@ int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus) kfree(prt); - return_VALUE(0); + return 0; } void acpi_pci_irq_del_prt(int segment, int bus) @@ -262,16 +259,15 @@ acpi_pci_allocate_irq(struct acpi_prt_entry *entry, { int irq; - ACPI_FUNCTION_TRACE("acpi_pci_allocate_irq"); if (entry->link.handle) { irq = acpi_pci_link_allocate_irq(entry->link.handle, entry->link.index, triggering, polarity, link); if (irq < 0) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Invalid IRQ link routing entry\n")); - return_VALUE(-1); + printk(KERN_WARNING PREFIX + "Invalid IRQ link routing entry\n"); + return -1; } } else { irq = entry->link.index; @@ -280,7 +276,7 @@ acpi_pci_allocate_irq(struct acpi_prt_entry *entry, } ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found IRQ %d\n", irq)); - return_VALUE(irq); + return irq; } static int @@ -289,13 +285,12 @@ acpi_pci_free_irq(struct acpi_prt_entry *entry, { int irq; - ACPI_FUNCTION_TRACE("acpi_pci_free_irq"); if (entry->link.handle) { irq = acpi_pci_link_free_irq(entry->link.handle); } else { irq = entry->link.index; } - return_VALUE(irq); + return irq; } /* @@ -315,7 +310,6 @@ acpi_pci_irq_lookup(struct pci_bus *bus, int bus_nr = bus->number; int ret; - ACPI_FUNCTION_TRACE("acpi_pci_irq_lookup"); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Searching for PRT entry for %02x:%02x:%02x[%c]\n", @@ -324,11 +318,11 @@ acpi_pci_irq_lookup(struct pci_bus *bus, entry = acpi_pci_irq_find_prt_entry(segment, bus_nr, device, pin); if (!entry) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "PRT entry not found\n")); - return_VALUE(-1); + return -1; } ret = func(entry, triggering, polarity, link); - return_VALUE(ret); + return ret; } /* @@ -346,10 +340,9 @@ acpi_pci_irq_derive(struct pci_dev *dev, int irq = -1; u8 bridge_pin = 0; - ACPI_FUNCTION_TRACE("acpi_pci_irq_derive"); if (!dev) - return_VALUE(-EINVAL); + return -EINVAL; /* * Attempt to derive an IRQ for this device from a parent bridge's @@ -366,7 +359,7 @@ acpi_pci_irq_derive(struct pci_dev *dev, ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No interrupt pin configured for device %s\n", pci_name(bridge))); - return_VALUE(-1); + return -1; } /* Pin is from 0 to 3 */ bridge_pin--; @@ -379,16 +372,15 @@ acpi_pci_irq_derive(struct pci_dev *dev, } if (irq < 0) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Unable to derive IRQ for device %s\n", - pci_name(dev))); - return_VALUE(-1); + printk(KERN_WARNING PREFIX "Unable to derive IRQ for device %s\n", + pci_name(dev)); + return -1; } ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Derive IRQ %d for device %s from %s\n", irq, pci_name(dev), pci_name(bridge))); - return_VALUE(irq); + return irq; } /* @@ -406,24 +398,22 @@ int acpi_pci_irq_enable(struct pci_dev *dev) char *link = NULL; int rc; - ACPI_FUNCTION_TRACE("acpi_pci_irq_enable"); if (!dev) - return_VALUE(-EINVAL); + return -EINVAL; pin = dev->pin; if (!pin) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No interrupt pin configured for device %s\n", pci_name(dev))); - return_VALUE(0); + return 0; } pin--; if (!dev->bus) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid (NULL) 'bus' field\n")); - return_VALUE(-ENODEV); + printk(KERN_ERR PREFIX "Invalid (NULL) 'bus' field\n"); + return -ENODEV; } /* @@ -455,10 +445,10 @@ int acpi_pci_irq_enable(struct pci_dev *dev) printk(" - using IRQ %d\n", dev->irq); acpi_register_gsi(dev->irq, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW); - return_VALUE(0); + return 0; } else { printk("\n"); - return_VALUE(0); + return 0; } } @@ -466,7 +456,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) if (rc < 0) { printk(KERN_WARNING PREFIX "PCI Interrupt %s[%c]: failed " "to register GSI\n", pci_name(dev), ('A' + pin)); - return_VALUE(rc); + return rc; } dev->irq = rc; @@ -480,7 +470,7 @@ int acpi_pci_irq_enable(struct pci_dev *dev) (triggering == ACPI_LEVEL_SENSITIVE) ? "level" : "edge", (polarity == ACPI_ACTIVE_LOW) ? "low" : "high", dev->irq); - return_VALUE(0); + return 0; } EXPORT_SYMBOL(acpi_pci_irq_enable); @@ -497,14 +487,13 @@ void acpi_pci_irq_disable(struct pci_dev *dev) int triggering = ACPI_LEVEL_SENSITIVE; int polarity = ACPI_ACTIVE_LOW; - ACPI_FUNCTION_TRACE("acpi_pci_irq_disable"); if (!dev || !dev->bus) - return_VOID; + return; pin = dev->pin; if (!pin) - return_VOID; + return; pin--; /* @@ -522,7 +511,7 @@ void acpi_pci_irq_disable(struct pci_dev *dev) &triggering, &polarity, NULL, acpi_pci_free_irq); if (gsi < 0) - return_VOID; + return; /* * TBD: It might be worth clearing dev->irq by magic constant @@ -534,5 +523,5 @@ void acpi_pci_irq_disable(struct pci_dev *dev) acpi_unregister_gsi(gsi); - return_VOID; + return; } diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 228bdb626502..1badce27a83f 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -107,26 +107,23 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context) struct acpi_pci_link *link = (struct acpi_pci_link *)context; u32 i = 0; - ACPI_FUNCTION_TRACE("acpi_pci_link_check_possible"); switch (resource->type) { case ACPI_RESOURCE_TYPE_START_DEPENDENT: - return_ACPI_STATUS(AE_OK); + return AE_OK; case ACPI_RESOURCE_TYPE_IRQ: { struct acpi_resource_irq *p = &resource->data.irq; if (!p || !p->interrupt_count) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Blank IRQ resource\n")); - return_ACPI_STATUS(AE_OK); + printk(KERN_WARNING PREFIX "Blank IRQ resource\n"); + return AE_OK; } for (i = 0; (i < p->interrupt_count && i < ACPI_PCI_LINK_MAX_POSSIBLE); i++) { if (!p->interrupts[i]) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Invalid IRQ %d\n", - p->interrupts[i])); + printk(KERN_WARNING PREFIX "Invalid IRQ %d\n", + p->interrupts[i]); continue; } link->irq.possible[i] = p->interrupts[i]; @@ -142,17 +139,16 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context) struct acpi_resource_extended_irq *p = &resource->data.extended_irq; if (!p || !p->interrupt_count) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Blank EXT IRQ resource\n")); - return_ACPI_STATUS(AE_OK); + printk(KERN_WARNING PREFIX + "Blank EXT IRQ resource\n"); + return AE_OK; } for (i = 0; (i < p->interrupt_count && i < ACPI_PCI_LINK_MAX_POSSIBLE); i++) { if (!p->interrupts[i]) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Invalid IRQ %d\n", - p->interrupts[i])); + printk(KERN_WARNING PREFIX "Invalid IRQ %d\n", + p->interrupts[i]); continue; } link->irq.possible[i] = p->interrupts[i]; @@ -164,35 +160,33 @@ acpi_pci_link_check_possible(struct acpi_resource *resource, void *context) break; } default: - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Resource is not an IRQ entry\n")); - return_ACPI_STATUS(AE_OK); + printk(KERN_ERR PREFIX "Resource is not an IRQ entry\n"); + return AE_OK; } - return_ACPI_STATUS(AE_CTRL_TERMINATE); + return AE_CTRL_TERMINATE; } static int acpi_pci_link_get_possible(struct acpi_pci_link *link) { acpi_status status; - ACPI_FUNCTION_TRACE("acpi_pci_link_get_possible"); if (!link) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_walk_resources(link->handle, METHOD_NAME__PRS, acpi_pci_link_check_possible, link); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PRS\n")); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRS")); + return -ENODEV; } ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found %d possible IRQs\n", link->irq.possible_count)); - return_VALUE(0); + return 0; } static acpi_status @@ -200,7 +194,6 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) { int *irq = (int *)context; - ACPI_FUNCTION_TRACE("acpi_pci_link_check_current"); switch (resource->type) { case ACPI_RESOURCE_TYPE_IRQ: @@ -213,7 +206,7 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) */ ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Blank IRQ resource\n")); - return_ACPI_STATUS(AE_OK); + return AE_OK; } *irq = p->interrupts[0]; break; @@ -227,20 +220,20 @@ acpi_pci_link_check_current(struct acpi_resource *resource, void *context) * extended IRQ descriptors must * return at least 1 IRQ */ - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Blank EXT IRQ resource\n")); - return_ACPI_STATUS(AE_OK); + printk(KERN_WARNING PREFIX + "Blank EXT IRQ resource\n"); + return AE_OK; } *irq = p->interrupts[0]; break; } break; default: - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Resource %d isn't an IRQ\n", resource->type)); + printk(KERN_ERR PREFIX "Resource %d isn't an IRQ\n", resource->type); case ACPI_RESOURCE_TYPE_END_TAG: - return_ACPI_STATUS(AE_OK); + return AE_OK; } - return_ACPI_STATUS(AE_CTRL_TERMINATE); + return AE_CTRL_TERMINATE; } /* @@ -256,10 +249,9 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link) acpi_status status = AE_OK; int irq = 0; - ACPI_FUNCTION_TRACE("acpi_pci_link_get_current"); if (!link || !link->handle) - return_VALUE(-EINVAL); + return -EINVAL; link->irq.active = 0; @@ -268,14 +260,13 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link) /* Query _STA, set link->device->status */ result = acpi_bus_get_status(link->device); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to read status\n")); + printk(KERN_ERR PREFIX "Unable to read status\n"); goto end; } if (!link->device->status.enabled) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link disabled\n")); - return_VALUE(0); + return 0; } } @@ -286,13 +277,13 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link) status = acpi_walk_resources(link->handle, METHOD_NAME__CRS, acpi_pci_link_check_current, &irq); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _CRS\n")); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _CRS")); result = -ENODEV; goto end; } if (acpi_strict && !irq) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "_CRS returned 0\n")); + printk(KERN_ERR PREFIX "_CRS returned 0\n"); result = -ENODEV; } @@ -301,7 +292,7 @@ static int acpi_pci_link_get_current(struct acpi_pci_link *link) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link at IRQ %d \n", link->irq.active)); end: - return_VALUE(result); + return result; } static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) @@ -314,14 +305,13 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) } *resource; struct acpi_buffer buffer = { 0, NULL }; - ACPI_FUNCTION_TRACE("acpi_pci_link_set"); if (!link || !irq) - return_VALUE(-EINVAL); + return -EINVAL; resource = kmalloc(sizeof(*resource) + 1, GFP_ATOMIC); if (!resource) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(resource, 0, sizeof(*resource) + 1); buffer.length = sizeof(*resource) + 1; @@ -362,7 +352,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) /* ignore resource_source, it's optional */ break; default: - printk("ACPI BUG: resource_type %d\n", link->irq.resource_type); + printk(KERN_ERR PREFIX "Invalid Resource_type %d\n", link->irq.resource_type); result = -EINVAL; goto end; @@ -374,7 +364,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) /* check for total failure */ if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _SRS\n")); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _SRS")); result = -ENODEV; goto end; } @@ -382,14 +372,14 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) /* Query _STA, set device->status */ result = acpi_bus_get_status(link->device); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unable to read status\n")); + printk(KERN_ERR PREFIX "Unable to read status\n"); goto end; } if (!link->device->status.enabled) { printk(KERN_WARNING PREFIX - "%s [%s] disabled and referenced, BIOS bug.\n", - acpi_device_name(link->device), - acpi_device_bid(link->device)); + "%s [%s] disabled and referenced, BIOS bug\n", + acpi_device_name(link->device), + acpi_device_bid(link->device)); } /* Query _CRS, set link->irq.active */ @@ -408,9 +398,9 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) * assume _SRS worked and override _CRS value. */ printk(KERN_WARNING PREFIX - "%s [%s] BIOS reported IRQ %d, using IRQ %d\n", - acpi_device_name(link->device), - acpi_device_bid(link->device), link->irq.active, irq); + "%s [%s] BIOS reported IRQ %d, using IRQ %d\n", + acpi_device_name(link->device), + acpi_device_bid(link->device), link->irq.active, irq); link->irq.active = irq; } @@ -418,7 +408,7 @@ static int acpi_pci_link_set(struct acpi_pci_link *link, int irq) end: kfree(resource); - return_VALUE(result); + return result; } /* -------------------------------------------------------------------------- @@ -492,7 +482,6 @@ int __init acpi_irq_penalty_init(void) struct acpi_pci_link *link = NULL; int i = 0; - ACPI_FUNCTION_TRACE("acpi_irq_penalty_init"); /* * Update penalties to facilitate IRQ balancing. @@ -501,8 +490,7 @@ int __init acpi_irq_penalty_init(void) link = list_entry(node, struct acpi_pci_link, node); if (!link) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid link context\n")); + printk(KERN_ERR PREFIX "Invalid link context\n"); continue; } @@ -530,7 +518,7 @@ int __init acpi_irq_penalty_init(void) /* Add a penalty for the SCI */ acpi_irq_penalty[acpi_fadt.sci_int] += PIRQ_PENALTY_PCI_USING; - return_VALUE(0); + return 0; } static int acpi_irq_balance; /* 0: static, 1: balance */ @@ -540,13 +528,12 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) int irq; int i; - ACPI_FUNCTION_TRACE("acpi_pci_link_allocate"); if (link->irq.initialized) { if (link->refcnt == 0) /* This means the link is disabled but initialized */ acpi_pci_link_set(link, link->irq.active); - return_VALUE(0); + return 0; } /* @@ -562,7 +549,7 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) if (i == link->irq.possible_count) { if (acpi_strict) printk(KERN_WARNING PREFIX "_CRS %d not found" - " in _PRS\n", link->irq.active); + " in _PRS\n", link->irq.active); link->irq.active = 0; } @@ -589,12 +576,11 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) /* Attempt to enable the link device at this IRQ. */ if (acpi_pci_link_set(link, irq)) { - printk(PREFIX - "Unable to set IRQ for %s [%s] (likely buggy ACPI BIOS).\n" - "Try pci=noacpi or acpi=off\n", - acpi_device_name(link->device), - acpi_device_bid(link->device)); - return_VALUE(-ENODEV); + printk(KERN_ERR PREFIX "Unable to set IRQ for %s [%s]. " + "Try pci=noacpi or acpi=off\n", + acpi_device_name(link->device), + acpi_device_bid(link->device)); + return -ENODEV; } else { acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING; printk(PREFIX "%s [%s] enabled at IRQ %d\n", @@ -604,7 +590,7 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) link->irq.initialized = 1; - return_VALUE(0); + return 0; } /* @@ -622,36 +608,35 @@ acpi_pci_link_allocate_irq(acpi_handle handle, struct acpi_device *device = NULL; struct acpi_pci_link *link = NULL; - ACPI_FUNCTION_TRACE("acpi_pci_link_allocate_irq"); result = acpi_bus_get_device(handle, &device); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link device\n")); - return_VALUE(-1); + printk(KERN_ERR PREFIX "Invalid link device\n"); + return -1; } link = (struct acpi_pci_link *)acpi_driver_data(device); if (!link) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link context\n")); - return_VALUE(-1); + printk(KERN_ERR PREFIX "Invalid link context\n"); + return -1; } /* TBD: Support multiple index (IRQ) entries per Link Device */ if (index) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid index %d\n", index)); - return_VALUE(-1); + printk(KERN_ERR PREFIX "Invalid index %d\n", index); + return -1; } mutex_lock(&acpi_link_lock); if (acpi_pci_link_allocate(link)) { mutex_unlock(&acpi_link_lock); - return_VALUE(-1); + return -1; } if (!link->irq.active) { mutex_unlock(&acpi_link_lock); - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Link active IRQ is 0!\n")); - return_VALUE(-1); + printk(KERN_ERR PREFIX "Link active IRQ is 0!\n"); + return -1; } link->refcnt++; mutex_unlock(&acpi_link_lock); @@ -665,7 +650,7 @@ acpi_pci_link_allocate_irq(acpi_handle handle, ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Link %s is referenced\n", acpi_device_bid(link->device))); - return_VALUE(link->irq.active); + return (link->irq.active); } /* @@ -678,25 +663,24 @@ int acpi_pci_link_free_irq(acpi_handle handle) struct acpi_pci_link *link = NULL; acpi_status result; - ACPI_FUNCTION_TRACE("acpi_pci_link_free_irq"); result = acpi_bus_get_device(handle, &device); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link device\n")); - return_VALUE(-1); + printk(KERN_ERR PREFIX "Invalid link device\n"); + return -1; } link = (struct acpi_pci_link *)acpi_driver_data(device); if (!link) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid link context\n")); - return_VALUE(-1); + printk(KERN_ERR PREFIX "Invalid link context\n"); + return -1; } mutex_lock(&acpi_link_lock); if (!link->irq.initialized) { mutex_unlock(&acpi_link_lock); - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Link isn't initialized\n")); - return_VALUE(-1); + printk(KERN_ERR PREFIX "Link isn't initialized\n"); + return -1; } #ifdef FUTURE_USE /* @@ -718,7 +702,7 @@ int acpi_pci_link_free_irq(acpi_handle handle) acpi_ut_evaluate_object(link->handle, "_DIS", 0, NULL); } mutex_unlock(&acpi_link_lock); - return_VALUE(link->irq.active); + return (link->irq.active); } /* -------------------------------------------------------------------------- @@ -732,14 +716,13 @@ static int acpi_pci_link_add(struct acpi_device *device) int i = 0; int found = 0; - ACPI_FUNCTION_TRACE("acpi_pci_link_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; link = kmalloc(sizeof(struct acpi_pci_link), GFP_KERNEL); if (!link) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(link, 0, sizeof(struct acpi_pci_link)); link->device = device; @@ -788,17 +771,16 @@ static int acpi_pci_link_add(struct acpi_device *device) if (result) kfree(link); - return_VALUE(result); + return result; } static int acpi_pci_link_resume(struct acpi_pci_link *link) { - ACPI_FUNCTION_TRACE("acpi_pci_link_resume"); if (link->refcnt && link->irq.active && link->irq.initialized) - return_VALUE(acpi_pci_link_set(link, link->irq.active)); + return (acpi_pci_link_set(link, link->irq.active)); else - return_VALUE(0); + return 0; } /* @@ -811,7 +793,6 @@ static int irqrouter_resume(struct sys_device *dev) struct list_head *node = NULL; struct acpi_pci_link *link = NULL; - ACPI_FUNCTION_TRACE("irqrouter_resume"); /* Make sure SCI is enabled again (Apple firmware bug?) */ acpi_set_register(ACPI_BITREG_SCI_ENABLE, 1, ACPI_MTX_DO_NOT_LOCK); @@ -820,24 +801,22 @@ static int irqrouter_resume(struct sys_device *dev) list_for_each(node, &acpi_link.entries) { link = list_entry(node, struct acpi_pci_link, node); if (!link) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid link context\n")); + printk(KERN_ERR PREFIX "Invalid link context\n"); continue; } acpi_pci_link_resume(link); } acpi_in_resume = 0; - return_VALUE(0); + return 0; } static int acpi_pci_link_remove(struct acpi_device *device, int type) { struct acpi_pci_link *link = NULL; - ACPI_FUNCTION_TRACE("acpi_pci_link_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; link = (struct acpi_pci_link *)acpi_driver_data(device); @@ -847,7 +826,7 @@ static int acpi_pci_link_remove(struct acpi_device *device, int type) kfree(link); - return_VALUE(0); + return 0; } /* @@ -953,34 +932,32 @@ static int __init irqrouter_init_sysfs(void) { int error; - ACPI_FUNCTION_TRACE("irqrouter_init_sysfs"); if (acpi_disabled || acpi_noirq) - return_VALUE(0); + return 0; error = sysdev_class_register(&irqrouter_sysdev_class); if (!error) error = sysdev_register(&device_irqrouter); - return_VALUE(error); + return error; } device_initcall(irqrouter_init_sysfs); static int __init acpi_pci_link_init(void) { - ACPI_FUNCTION_TRACE("acpi_pci_link_init"); if (acpi_noirq) - return_VALUE(0); + return 0; acpi_link.count = 0; INIT_LIST_HEAD(&acpi_link.entries); if (acpi_bus_register_driver(&acpi_pci_link_driver) < 0) - return_VALUE(-ENODEV); + return -ENODEV; - return_VALUE(0); + return 0; } subsys_initcall(acpi_pci_link_init); diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c index 4c313eab6313..8f10442119f0 100644 --- a/drivers/acpi/pci_root.c +++ b/drivers/acpi/pci_root.c @@ -160,14 +160,13 @@ static int acpi_pci_root_add(struct acpi_device *device) unsigned long value = 0; acpi_handle handle = NULL; - ACPI_FUNCTION_TRACE("acpi_pci_root_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; root = kmalloc(sizeof(struct acpi_pci_root), GFP_KERNEL); if (!root) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(root, 0, sizeof(struct acpi_pci_root)); INIT_LIST_HEAD(&root->node); @@ -198,7 +197,7 @@ static int acpi_pci_root_add(struct acpi_device *device) root->id.segment = 0; break; default: - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _SEG\n")); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _SEG")); result = -ENODEV; goto end; } @@ -219,7 +218,7 @@ static int acpi_pci_root_add(struct acpi_device *device) root->id.bus = 0; break; default: - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _BBN\n")); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _BBN")); result = -ENODEV; goto end; } @@ -231,8 +230,9 @@ static int acpi_pci_root_add(struct acpi_device *device) int bus = 0; acpi_status status; - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Wrong _BBN value, please reboot and using option 'pci=noacpi'\n")); + printk(KERN_ERR PREFIX + "Wrong _BBN value, reboot" + " and use option 'pci=noacpi'\n"); status = try_get_root_bridge_busnr(root->handle, &bus); if (ACPI_FAILURE(status)) @@ -273,9 +273,9 @@ static int acpi_pci_root_add(struct acpi_device *device) */ root->bus = pci_acpi_scan_root(device, root->id.segment, root->id.bus); if (!root->bus) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Bus %04x:%02x not present in PCI namespace\n", - root->id.segment, root->id.bus)); + printk(KERN_ERR PREFIX + "Bus %04x:%02x not present in PCI namespace\n", + root->id.segment, root->id.bus); result = -ENODEV; goto end; } @@ -306,46 +306,43 @@ static int acpi_pci_root_add(struct acpi_device *device) kfree(root); } - return_VALUE(result); + return result; } static int acpi_pci_root_start(struct acpi_device *device) { struct acpi_pci_root *root; - ACPI_FUNCTION_TRACE("acpi_pci_root_start"); list_for_each_entry(root, &acpi_pci_roots, node) { if (root->handle == device->handle) { pci_bus_add_devices(root->bus); - return_VALUE(0); + return 0; } } - return_VALUE(-ENODEV); + return -ENODEV; } static int acpi_pci_root_remove(struct acpi_device *device, int type) { struct acpi_pci_root *root = NULL; - ACPI_FUNCTION_TRACE("acpi_pci_root_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; root = (struct acpi_pci_root *)acpi_driver_data(device); kfree(root); - return_VALUE(0); + return 0; } static int __init acpi_pci_root_init(void) { - ACPI_FUNCTION_TRACE("acpi_pci_root_init"); if (acpi_pci_disabled) - return_VALUE(0); + return 0; /* DEBUG: acpi_dbg_layer = ACPI_PCI_COMPONENT; @@ -353,9 +350,9 @@ static int __init acpi_pci_root_init(void) */ if (acpi_bus_register_driver(&acpi_pci_root_driver) < 0) - return_VALUE(-ENODEV); + return -ENODEV; - return_VALUE(0); + return 0; } subsys_initcall(acpi_pci_root_init); diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index 62a5595ed8bc..224f729f700e 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -98,23 +98,21 @@ acpi_power_get_context(acpi_handle handle, int result = 0; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_power_get_context"); if (!resource) - return_VALUE(-ENODEV); + return -ENODEV; result = acpi_bus_get_device(handle, &device); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Error getting context [%p]\n", - handle)); - return_VALUE(result); + printk(KERN_WARNING PREFIX "Getting context [%p]\n", handle); + return result; } *resource = (struct acpi_power_resource *)acpi_driver_data(device); if (!resource) - return_VALUE(-ENODEV); + return -ENODEV; - return_VALUE(0); + return 0; } static int acpi_power_get_state(struct acpi_power_resource *resource) @@ -122,14 +120,13 @@ static int acpi_power_get_state(struct acpi_power_resource *resource) acpi_status status = AE_OK; unsigned long sta = 0; - ACPI_FUNCTION_TRACE("acpi_power_get_state"); if (!resource) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_evaluate_integer(resource->handle, "_STA", NULL, &sta); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; if (sta & 0x01) resource->state = ACPI_POWER_RESOURCE_STATE_ON; @@ -139,7 +136,7 @@ static int acpi_power_get_state(struct acpi_power_resource *resource) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] is %s\n", resource->name, resource->state ? "on" : "off")); - return_VALUE(0); + return 0; } static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state) @@ -148,20 +145,19 @@ static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state) struct acpi_power_resource *resource = NULL; u32 i = 0; - ACPI_FUNCTION_TRACE("acpi_power_get_list_state"); if (!list || !state) - return_VALUE(-EINVAL); + return -EINVAL; /* The state of the list is 'on' IFF all resources are 'on'. */ for (i = 0; i < list->count; i++) { result = acpi_power_get_context(list->handles[i], &resource); if (result) - return_VALUE(result); + return result; result = acpi_power_get_state(resource); if (result) - return_VALUE(result); + return result; *state = resource->state; @@ -172,7 +168,7 @@ static int acpi_power_get_list_state(struct acpi_handle_list *list, int *state) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource list is %s\n", *state ? "on" : "off")); - return_VALUE(result); + return result; } static int acpi_power_on(acpi_handle handle) @@ -182,11 +178,10 @@ static int acpi_power_on(acpi_handle handle) struct acpi_device *device = NULL; struct acpi_power_resource *resource = NULL; - ACPI_FUNCTION_TRACE("acpi_power_on"); result = acpi_power_get_context(handle, &resource); if (result) - return_VALUE(result); + return result; resource->references++; @@ -194,29 +189,29 @@ static int acpi_power_on(acpi_handle handle) || (resource->state == ACPI_POWER_RESOURCE_STATE_ON)) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] already on\n", resource->name)); - return_VALUE(0); + return 0; } status = acpi_evaluate_object(resource->handle, "_ON", NULL, NULL); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; result = acpi_power_get_state(resource); if (result) - return_VALUE(result); + return result; if (resource->state != ACPI_POWER_RESOURCE_STATE_ON) - return_VALUE(-ENOEXEC); + return -ENOEXEC; /* Update the power resource's _device_ power state */ result = acpi_bus_get_device(resource->handle, &device); if (result) - return_VALUE(result); + return result; device->power.state = ACPI_STATE_D0; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned on\n", resource->name)); - return_VALUE(0); + return 0; } static int acpi_power_off_device(acpi_handle handle) @@ -226,11 +221,10 @@ static int acpi_power_off_device(acpi_handle handle) struct acpi_device *device = NULL; struct acpi_power_resource *resource = NULL; - ACPI_FUNCTION_TRACE("acpi_power_off_device"); result = acpi_power_get_context(handle, &resource); if (result) - return_VALUE(result); + return result; if (resource->references) resource->references--; @@ -239,35 +233,35 @@ static int acpi_power_off_device(acpi_handle handle) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] is still in use, dereferencing\n", device->pnp.bus_id)); - return_VALUE(0); + return 0; } if (resource->state == ACPI_POWER_RESOURCE_STATE_OFF) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] already off\n", device->pnp.bus_id)); - return_VALUE(0); + return 0; } status = acpi_evaluate_object(resource->handle, "_OFF", NULL, NULL); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; result = acpi_power_get_state(resource); if (result) - return_VALUE(result); + return result; if (resource->state != ACPI_POWER_RESOURCE_STATE_OFF) - return_VALUE(-ENOEXEC); + return -ENOEXEC; /* Update the power resource's _device_ power state */ result = acpi_bus_get_device(resource->handle, &device); if (result) - return_VALUE(result); + return result; device->power.state = ACPI_STATE_D3; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Resource [%s] turned off\n", resource->name)); - return_VALUE(0); + return 0; } /* @@ -283,31 +277,29 @@ int acpi_enable_wakeup_device_power(struct acpi_device *dev) int i; int ret = 0; - ACPI_FUNCTION_TRACE("acpi_enable_wakeup_device_power"); if (!dev || !dev->wakeup.flags.valid) - return_VALUE(-1); + return -1; 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]); if (ret) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error transition power state\n")); + printk(KERN_ERR PREFIX "Transition power state\n"); dev->wakeup.flags.valid = 0; - return_VALUE(-1); + return -1; } } /* Execute PSW */ status = acpi_evaluate_object(dev->handle, "_PSW", &arg_list, NULL); if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluate _PSW\n")); + printk(KERN_ERR PREFIX "Evaluate _PSW\n"); dev->wakeup.flags.valid = 0; ret = -1; } - return_VALUE(ret); + return ret; } /* @@ -323,32 +315,30 @@ int acpi_disable_wakeup_device_power(struct acpi_device *dev) int i; int ret = 0; - ACPI_FUNCTION_TRACE("acpi_disable_wakeup_device_power"); if (!dev || !dev->wakeup.flags.valid) - return_VALUE(-1); + return -1; arg.integer.value = 0; /* Execute PSW */ status = acpi_evaluate_object(dev->handle, "_PSW", &arg_list, NULL); if (ACPI_FAILURE(status) && (status != AE_NOT_FOUND)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluate _PSW\n")); + printk(KERN_ERR PREFIX "Evaluate _PSW\n"); dev->wakeup.flags.valid = 0; - return_VALUE(-1); + return -1; } /* Close power resource */ for (i = 0; i < dev->wakeup.resources.count; i++) { ret = acpi_power_off_device(dev->wakeup.resources.handles[i]); if (ret) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error transition power state\n")); + printk(KERN_ERR PREFIX "Transition power state\n"); dev->wakeup.flags.valid = 0; - return_VALUE(-1); + return -1; } } - return_VALUE(ret); + return ret; } /* -------------------------------------------------------------------------- @@ -362,10 +352,9 @@ int acpi_power_get_inferred_state(struct acpi_device *device) int list_state = 0; int i = 0; - ACPI_FUNCTION_TRACE("acpi_power_get_inferred_state"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; device->power.state = ACPI_STATE_UNKNOWN; @@ -380,17 +369,17 @@ int acpi_power_get_inferred_state(struct acpi_device *device) result = acpi_power_get_list_state(list, &list_state); if (result) - return_VALUE(result); + return result; if (list_state == ACPI_POWER_RESOURCE_STATE_ON) { device->power.state = i; - return_VALUE(0); + return 0; } } device->power.state = ACPI_STATE_D3; - return_VALUE(0); + return 0; } int acpi_power_transition(struct acpi_device *device, int state) @@ -400,14 +389,13 @@ int acpi_power_transition(struct acpi_device *device, int state) struct acpi_handle_list *tl = NULL; /* Target Resources */ int i = 0; - ACPI_FUNCTION_TRACE("acpi_power_transition"); if (!device || (state < ACPI_STATE_D0) || (state > ACPI_STATE_D3)) - return_VALUE(-EINVAL); + return -EINVAL; if ((device->power.state < ACPI_STATE_D0) || (device->power.state > ACPI_STATE_D3)) - return_VALUE(-ENODEV); + return -ENODEV; cl = &device->power.states[device->power.state].resources; tl = &device->power.states[state].resources; @@ -444,11 +432,10 @@ int acpi_power_transition(struct acpi_device *device, int state) device->power.state = state; end: if (result) - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Error transitioning device [%s] to D%d\n", - device->pnp.bus_id, state)); + printk(KERN_WARNING PREFIX "Transitioning device [%s] to D%d\n", + device->pnp.bus_id, state); - return_VALUE(result); + return result; } /* -------------------------------------------------------------------------- @@ -461,7 +448,6 @@ static int acpi_power_seq_show(struct seq_file *seq, void *offset) { struct acpi_power_resource *resource = NULL; - ACPI_FUNCTION_TRACE("acpi_power_seq_show"); resource = (struct acpi_power_resource *)seq->private; @@ -488,7 +474,7 @@ static int acpi_power_seq_show(struct seq_file *seq, void *offset) resource->order, resource->references); end: - return_VALUE(0); + return 0; } static int acpi_power_open_fs(struct inode *inode, struct file *file) @@ -500,36 +486,32 @@ static int acpi_power_add_fs(struct acpi_device *device) { struct proc_dir_entry *entry = NULL; - ACPI_FUNCTION_TRACE("acpi_power_add_fs"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_power_dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; } /* 'status' [R] */ entry = create_proc_entry(ACPI_POWER_FILE_STATUS, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_POWER_FILE_STATUS)); + return -EIO; else { entry->proc_fops = &acpi_power_fops; entry->data = acpi_driver_data(device); } - return_VALUE(0); + return 0; } static int acpi_power_remove_fs(struct acpi_device *device) { - ACPI_FUNCTION_TRACE("acpi_power_remove_fs"); if (acpi_device_dir(device)) { remove_proc_entry(ACPI_POWER_FILE_STATUS, @@ -538,7 +520,7 @@ static int acpi_power_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -553,14 +535,13 @@ static int acpi_power_add(struct acpi_device *device) union acpi_object acpi_object; struct acpi_buffer buffer = { sizeof(acpi_object), &acpi_object }; - ACPI_FUNCTION_TRACE("acpi_power_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; resource = kmalloc(sizeof(struct acpi_power_resource), GFP_KERNEL); if (!resource) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(resource, 0, sizeof(struct acpi_power_resource)); resource->handle = device->handle; @@ -605,17 +586,16 @@ static int acpi_power_add(struct acpi_device *device) if (result) kfree(resource); - return_VALUE(result); + return result; } static int acpi_power_remove(struct acpi_device *device, int type) { struct acpi_power_resource *resource = NULL; - ACPI_FUNCTION_TRACE("acpi_power_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; resource = (struct acpi_power_resource *)acpi_driver_data(device); @@ -623,31 +603,30 @@ static int acpi_power_remove(struct acpi_device *device, int type) kfree(resource); - return_VALUE(0); + return 0; } static int __init acpi_power_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_power_init"); if (acpi_disabled) - return_VALUE(0); + return 0; INIT_LIST_HEAD(&acpi_power_resource_list); acpi_power_dir = proc_mkdir(ACPI_POWER_CLASS, acpi_root_dir); if (!acpi_power_dir) - return_VALUE(-ENODEV); + return -ENODEV; result = acpi_bus_register_driver(&acpi_power_driver); if (result < 0) { remove_proc_entry(ACPI_POWER_CLASS, acpi_root_dir); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } subsys_initcall(acpi_power_init); diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c index decaebb4cbe9..52674323b14d 100644 --- a/drivers/acpi/processor_core.c +++ b/drivers/acpi/processor_core.c @@ -122,10 +122,9 @@ static int acpi_processor_errata_piix4(struct pci_dev *dev) u8 value1 = 0; u8 value2 = 0; - ACPI_FUNCTION_TRACE("acpi_processor_errata_piix4"); if (!dev) - return_VALUE(-EINVAL); + return -EINVAL; /* * Note that 'dev' references the PIIX4 ACPI Controller. @@ -218,7 +217,7 @@ static int acpi_processor_errata_piix4(struct pci_dev *dev) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Type-F DMA livelock erratum (C3 disabled)\n")); - return_VALUE(0); + return 0; } static int acpi_processor_errata(struct acpi_processor *pr) @@ -226,10 +225,9 @@ static int acpi_processor_errata(struct acpi_processor *pr) int result = 0; struct pci_dev *dev = NULL; - ACPI_FUNCTION_TRACE("acpi_processor_errata"); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; /* * PIIX4 @@ -242,7 +240,7 @@ static int acpi_processor_errata(struct acpi_processor *pr) pci_dev_put(dev); } - return_VALUE(result); + return result; } /* -------------------------------------------------------------------------- @@ -258,10 +256,9 @@ static int acpi_processor_set_pdc(struct acpi_processor *pr) struct acpi_object_list *pdc_in = pr->pdc; acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE("acpi_processor_set_pdc"); if (!pdc_in) - return_VALUE(status); + return status; status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL); @@ -269,7 +266,7 @@ static int acpi_processor_set_pdc(struct acpi_processor *pr) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Could not evaluate _PDC, using legacy perf. control...\n")); - return_VALUE(status); + return status; } /* -------------------------------------------------------------------------- @@ -282,7 +279,6 @@ static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset) { struct acpi_processor *pr = (struct acpi_processor *)seq->private; - ACPI_FUNCTION_TRACE("acpi_processor_info_seq_show"); if (!pr) goto end; @@ -301,7 +297,7 @@ static int acpi_processor_info_seq_show(struct seq_file *seq, void *offset) pr->flags.limit ? "yes" : "no"); end: - return_VALUE(0); + return 0; } static int acpi_processor_info_open_fs(struct inode *inode, struct file *file) @@ -314,13 +310,12 @@ static int acpi_processor_add_fs(struct acpi_device *device) { struct proc_dir_entry *entry = NULL; - ACPI_FUNCTION_TRACE("acpi_processor_add_fs"); if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_processor_dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; } acpi_device_dir(device)->owner = THIS_MODULE; @@ -328,9 +323,7 @@ static int acpi_processor_add_fs(struct acpi_device *device) entry = create_proc_entry(ACPI_PROCESSOR_FILE_INFO, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_PROCESSOR_FILE_INFO)); + return -EIO; else { entry->proc_fops = &acpi_processor_info_fops; entry->data = acpi_driver_data(device); @@ -342,9 +335,7 @@ static int acpi_processor_add_fs(struct acpi_device *device) S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_PROCESSOR_FILE_THROTTLING)); + return -EIO; else { entry->proc_fops = &acpi_processor_throttling_fops; entry->data = acpi_driver_data(device); @@ -356,21 +347,18 @@ static int acpi_processor_add_fs(struct acpi_device *device) S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_PROCESSOR_FILE_LIMIT)); + return -EIO; else { entry->proc_fops = &acpi_processor_limit_fops; entry->data = acpi_driver_data(device); entry->owner = THIS_MODULE; } - return_VALUE(0); + return 0; } static int acpi_processor_remove_fs(struct acpi_device *device) { - ACPI_FUNCTION_TRACE("acpi_processor_remove_fs"); if (acpi_device_dir(device)) { remove_proc_entry(ACPI_PROCESSOR_FILE_INFO, @@ -383,7 +371,7 @@ static int acpi_processor_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* Use the acpiid in MADT to map cpus in case of SMP */ @@ -430,10 +418,9 @@ static int acpi_processor_get_info(struct acpi_processor *pr) int cpu_index; static int cpu0_initialized; - ACPI_FUNCTION_TRACE("acpi_processor_get_info"); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; if (num_online_cpus() > 1) errata.smp = TRUE; @@ -459,9 +446,8 @@ static int acpi_processor_get_info(struct acpi_processor *pr) */ status = acpi_evaluate_object(pr->handle, NULL, NULL, &buffer); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error evaluating processor object\n")); - return_VALUE(-ENODEV); + printk(KERN_ERR PREFIX "Evaluating processor object\n"); + return -ENODEV; } /* @@ -490,10 +476,10 @@ static int acpi_processor_get_info(struct acpi_processor *pr) if (cpu_index == -1) { if (ACPI_FAILURE (acpi_processor_hotadd_init(pr->handle, &pr->id))) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error getting cpuindex for acpiid 0x%x\n", - pr->acpi_id)); - return_VALUE(-ENODEV); + printk(KERN_ERR PREFIX + "Getting cpuindex for acpiid 0x%x\n", + pr->acpi_id); + return -ENODEV; } } @@ -503,8 +489,8 @@ static int acpi_processor_get_info(struct acpi_processor *pr) if (!object.processor.pblk_address) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No PBLK (NULL address)\n")); else if (object.processor.pblk_length != 6) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid PBLK length [%d]\n", - object.processor.pblk_length)); + printk(KERN_ERR PREFIX "Invalid PBLK length [%d]\n", + object.processor.pblk_length); else { pr->throttling.address = object.processor.pblk_address; pr->throttling.duty_offset = acpi_fadt.duty_offset; @@ -528,7 +514,7 @@ static int acpi_processor_get_info(struct acpi_processor *pr) acpi_processor_get_throttling_info(pr); acpi_processor_get_limit_info(pr); - return_VALUE(0); + return 0; } static void *processor_device_array[NR_CPUS]; @@ -539,14 +525,13 @@ static int acpi_processor_start(struct acpi_device *device) acpi_status status = AE_OK; struct acpi_processor *pr; - ACPI_FUNCTION_TRACE("acpi_processor_start"); pr = acpi_driver_data(device); result = acpi_processor_get_info(pr); if (result) { /* Processor is physically not present */ - return_VALUE(0); + return 0; } BUG_ON((pr->id >= NR_CPUS) || (pr->id < 0)); @@ -560,7 +545,7 @@ static int acpi_processor_start(struct acpi_device *device) processor_device_array[pr->id] != (void *)device) { printk(KERN_WARNING "BIOS reported wrong ACPI id" "for the processor\n"); - return_VALUE(-ENODEV); + return -ENODEV; } processor_device_array[pr->id] = (void *)device; @@ -572,10 +557,6 @@ static int acpi_processor_start(struct acpi_device *device) status = acpi_install_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY, acpi_processor_notify, pr); - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing device notify handler\n")); - } /* _PDC call should be done before doing anything else (if reqd.). */ arch_acpi_processor_init_pdc(pr); @@ -592,7 +573,7 @@ static int acpi_processor_start(struct acpi_device *device) end: - return_VALUE(result); + return result; } static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) @@ -600,13 +581,12 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) struct acpi_processor *pr = (struct acpi_processor *)data; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_processor_notify"); if (!pr) - return_VOID; + return; if (acpi_bus_get_device(pr->handle, &device)) - return_VOID; + return; switch (event) { case ACPI_PROCESSOR_NOTIFY_PERFORMANCE: @@ -624,21 +604,20 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) break; } - return_VOID; + return; } static int acpi_processor_add(struct acpi_device *device) { struct acpi_processor *pr = NULL; - ACPI_FUNCTION_TRACE("acpi_processor_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; pr = kmalloc(sizeof(struct acpi_processor), GFP_KERNEL); if (!pr) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(pr, 0, sizeof(struct acpi_processor)); pr->handle = device->handle; @@ -646,7 +625,7 @@ static int acpi_processor_add(struct acpi_device *device) strcpy(acpi_device_class(device), ACPI_PROCESSOR_CLASS); acpi_driver_data(device) = pr; - return_VALUE(0); + return 0; } static int acpi_processor_remove(struct acpi_device *device, int type) @@ -654,31 +633,26 @@ static int acpi_processor_remove(struct acpi_device *device, int type) acpi_status status = AE_OK; struct acpi_processor *pr = NULL; - ACPI_FUNCTION_TRACE("acpi_processor_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; pr = (struct acpi_processor *)acpi_driver_data(device); if (pr->id >= NR_CPUS) { kfree(pr); - return_VALUE(0); + return 0; } if (type == ACPI_BUS_REMOVAL_EJECT) { if (acpi_processor_handle_eject(pr)) - return_VALUE(-EINVAL); + return -EINVAL; } acpi_processor_power_exit(pr, device); status = acpi_remove_notify_handler(pr->handle, ACPI_DEVICE_NOTIFY, acpi_processor_notify); - if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); - } acpi_processor_remove_fs(device); @@ -686,7 +660,7 @@ static int acpi_processor_remove(struct acpi_device *device, int type) kfree(pr); - return_VALUE(0); + return 0; } #ifdef CONFIG_ACPI_HOTPLUG_CPU @@ -701,15 +675,13 @@ static int is_processor_present(acpi_handle handle) acpi_status status; unsigned long sta = 0; - ACPI_FUNCTION_TRACE("is_processor_present"); status = acpi_evaluate_integer(handle, "_STA", NULL, &sta); if (ACPI_FAILURE(status) || !(sta & ACPI_STA_PRESENT)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Processor Device is not present\n")); - return_VALUE(0); + ACPI_EXCEPTION((AE_INFO, status, "Processor Device is not present")); + return 0; } - return_VALUE(1); + return 1; } static @@ -719,30 +691,29 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device) struct acpi_device *pdev; struct acpi_processor *pr; - ACPI_FUNCTION_TRACE("acpi_processor_device_add"); if (acpi_get_parent(handle, &phandle)) { - return_VALUE(-ENODEV); + return -ENODEV; } if (acpi_bus_get_device(phandle, &pdev)) { - return_VALUE(-ENODEV); + return -ENODEV; } if (acpi_bus_add(device, pdev, handle, ACPI_BUS_TYPE_PROCESSOR)) { - return_VALUE(-ENODEV); + return -ENODEV; } acpi_bus_start(*device); pr = acpi_driver_data(*device); if (!pr) - return_VALUE(-ENODEV); + return -ENODEV; if ((pr->id >= 0) && (pr->id < NR_CPUS)) { kobject_uevent(&(*device)->kobj, KOBJ_ONLINE); } - return_VALUE(0); + return 0; } static void @@ -752,7 +723,6 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) struct acpi_device *device = NULL; int result; - ACPI_FUNCTION_TRACE("acpi_processor_hotplug_notify"); switch (event) { case ACPI_NOTIFY_BUS_CHECK: @@ -767,15 +737,14 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) if (acpi_bus_get_device(handle, &device)) { result = acpi_processor_device_add(handle, &device); if (result) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to add the device\n")); + printk(KERN_ERR PREFIX + "Unable to add the device\n"); break; } pr = acpi_driver_data(device); if (!pr) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Driver data is NULL\n")); + printk(KERN_ERR PREFIX "Driver data is NULL\n"); break; } @@ -788,9 +757,8 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) if ((!result) && ((pr->id >= 0) && (pr->id < NR_CPUS))) { kobject_uevent(&device->kobj, KOBJ_ONLINE); } else { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Device [%s] failed to start\n", - acpi_device_bid(device))); + printk(KERN_ERR PREFIX "Device [%s] failed to start\n", + acpi_device_bid(device)); } break; case ACPI_NOTIFY_EJECT_REQUEST: @@ -798,15 +766,15 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) "received ACPI_NOTIFY_EJECT_REQUEST\n")); if (acpi_bus_get_device(handle, &device)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Device don't exist, dropping EJECT\n")); + printk(KERN_ERR PREFIX + "Device don't exist, dropping EJECT\n"); break; } pr = acpi_driver_data(device); if (!pr) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Driver data is NULL, dropping EJECT\n")); - return_VOID; + printk(KERN_ERR PREFIX + "Driver data is NULL, dropping EJECT\n"); + return; } if ((pr->id < NR_CPUS) && (cpu_present(pr->id))) @@ -818,7 +786,7 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data) break; } - return_VOID; + return; } static acpi_status @@ -857,21 +825,20 @@ processor_walk_namespace_cb(acpi_handle handle, static acpi_status acpi_processor_hotadd_init(acpi_handle handle, int *p_cpu) { - ACPI_FUNCTION_TRACE("acpi_processor_hotadd_init"); if (!is_processor_present(handle)) { - return_VALUE(AE_ERROR); + return AE_ERROR; } if (acpi_map_lsapic(handle, p_cpu)) - return_VALUE(AE_ERROR); + return AE_ERROR; if (arch_register_cpu(*p_cpu)) { acpi_unmap_lsapic(*p_cpu); - return_VALUE(AE_ERROR); + return AE_ERROR; } - return_VALUE(AE_OK); + return AE_OK; } static int acpi_processor_handle_eject(struct acpi_processor *pr) @@ -928,20 +895,19 @@ static int __init acpi_processor_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_processor_init"); memset(&processors, 0, sizeof(processors)); memset(&errata, 0, sizeof(errata)); acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir); if (!acpi_processor_dir) - return_VALUE(0); + return 0; acpi_processor_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_processor_driver); if (result < 0) { remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir); - return_VALUE(0); + return 0; } acpi_processor_install_hotplug_notify(); @@ -950,12 +916,11 @@ static int __init acpi_processor_init(void) acpi_processor_ppc_init(); - return_VALUE(0); + return 0; } static void __exit acpi_processor_exit(void) { - ACPI_FUNCTION_TRACE("acpi_processor_exit"); acpi_processor_ppc_exit(); @@ -967,7 +932,7 @@ static void __exit acpi_processor_exit(void) remove_proc_entry(ACPI_PROCESSOR_CLASS, acpi_root_dir); - return_VOID; + return; } module_init(acpi_processor_init); diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 8a74bf3efd8e..e439eb77d283 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -3,7 +3,7 @@ * * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> - * Copyright (C) 2004 Dominik Brodowski <linux@brodo.de> + * Copyright (C) 2004, 2005 Dominik Brodowski <linux@brodo.de> * Copyright (C) 2004 Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> * - Added processor hotplug support * Copyright (C) 2005 Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> @@ -99,6 +99,9 @@ static int set_max_cstate(struct dmi_system_id *id) static struct dmi_system_id __cpuinitdata processor_power_dmi_table[] = { { set_max_cstate, "IBM ThinkPad R40e", { DMI_MATCH(DMI_BIOS_VENDOR,"IBM"), + DMI_MATCH(DMI_BIOS_VERSION,"1SET70WW")}, (void *)1}, + { set_max_cstate, "IBM ThinkPad R40e", { + DMI_MATCH(DMI_BIOS_VENDOR,"IBM"), DMI_MATCH(DMI_BIOS_VERSION,"1SET60WW")}, (void *)1}, { set_max_cstate, "IBM ThinkPad R40e", { DMI_MATCH(DMI_BIOS_VENDOR,"IBM"), @@ -261,21 +264,15 @@ static void acpi_processor_idle(void) u32 bm_status = 0; unsigned long diff = jiffies - pr->power.bm_check_timestamp; - if (diff > 32) - diff = 32; + if (diff > 31) + diff = 31; - while (diff) { - /* if we didn't get called, assume there was busmaster activity */ - diff--; - if (diff) - pr->power.bm_activity |= 0x1; - pr->power.bm_activity <<= 1; - } + pr->power.bm_activity <<= diff; acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status, ACPI_MTX_DO_NOT_LOCK); if (bm_status) { - pr->power.bm_activity++; + pr->power.bm_activity |= 0x1; acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, 1, ACPI_MTX_DO_NOT_LOCK); } @@ -287,16 +284,16 @@ static void acpi_processor_idle(void) else if (errata.piix4.bmisx) { if ((inb_p(errata.piix4.bmisx + 0x02) & 0x01) || (inb_p(errata.piix4.bmisx + 0x0A) & 0x01)) - pr->power.bm_activity++; + pr->power.bm_activity |= 0x1; } pr->power.bm_check_timestamp = jiffies; /* - * Apply bus mastering demotion policy. Automatically demote + * If bus mastering is or was active this jiffy, demote * to avoid a faulty transition. Note that the processor * won't enter a low-power state during this call (to this - * funciton) but should upon the next. + * function) but should upon the next. * * TBD: A better policy might be to fallback to the demotion * state (use it for this quantum only) istead of @@ -304,7 +301,8 @@ static void acpi_processor_idle(void) * qualification. This may, however, introduce DMA * issues (e.g. floppy DMA transfer overrun/underrun). */ - if (pr->power.bm_activity & cx->demotion.threshold.bm) { + if ((pr->power.bm_activity & 0x1) && + cx->demotion.threshold.bm) { local_irq_enable(); next_state = cx->demotion.state; goto end; @@ -322,8 +320,6 @@ static void acpi_processor_idle(void) cx = &pr->power.states[ACPI_STATE_C1]; #endif - cx->usage++; - /* * Sleep: * ------ @@ -365,7 +361,9 @@ static void acpi_processor_idle(void) t1 = inl(acpi_fadt.xpm_tmr_blk.address); /* Invoke C2 */ inb(cx->address); - /* Dummy op - must do something useless after P_LVL2 read */ + /* Dummy wait op - must do something useless after P_LVL2 read + because chipsets cannot guarantee that STPCLK# signal + gets asserted in time to freeze execution properly. */ t2 = inl(acpi_fadt.xpm_tmr_blk.address); /* Get end time (ticks) */ t2 = inl(acpi_fadt.xpm_tmr_blk.address); @@ -403,7 +401,7 @@ static void acpi_processor_idle(void) t1 = inl(acpi_fadt.xpm_tmr_blk.address); /* Invoke C3 */ inb(cx->address); - /* Dummy op - must do something useless after P_LVL3 read */ + /* Dummy wait op (see above) */ t2 = inl(acpi_fadt.xpm_tmr_blk.address); /* Get end time (ticks) */ t2 = inl(acpi_fadt.xpm_tmr_blk.address); @@ -430,6 +428,9 @@ static void acpi_processor_idle(void) local_irq_enable(); return; } + cx->usage++; + if ((cx->type != ACPI_STATE_C1) && (sleep_ticks > 0)) + cx->time += sleep_ticks; next_state = pr->power.state; @@ -517,10 +518,9 @@ static int acpi_processor_set_power_policy(struct acpi_processor *pr) struct acpi_processor_cx *higher = NULL; struct acpi_processor_cx *cx; - ACPI_FUNCTION_TRACE("acpi_processor_set_power_policy"); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; /* * This function sets the default Cx state policy (OS idle handler). @@ -544,7 +544,7 @@ static int acpi_processor_set_power_policy(struct acpi_processor *pr) } if (!state_is_set) - return_VALUE(-ENODEV); + return -ENODEV; /* demotion */ for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { @@ -583,18 +583,17 @@ static int acpi_processor_set_power_policy(struct acpi_processor *pr) higher = cx; } - return_VALUE(0); + return 0; } static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) { - ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_fadt"); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; if (!pr->pblk) - return_VALUE(-ENODEV); + return -ENODEV; /* if info is obtained from pblk/fadt, type equals state */ pr->power.states[ACPI_STATE_C2].type = ACPI_STATE_C2; @@ -606,7 +605,7 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) * an SMP system. */ if ((num_online_cpus() > 1) && !acpi_fadt.plvl2_up) - return_VALUE(-ENODEV); + return -ENODEV; #endif /* determine C2 and C3 address from pblk */ @@ -622,12 +621,11 @@ static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) pr->power.states[ACPI_STATE_C2].address, pr->power.states[ACPI_STATE_C3].address)); - return_VALUE(0); + return 0; } static int acpi_processor_get_power_info_default_c1(struct acpi_processor *pr) { - ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_default_c1"); /* Zero initialize all the C-states info. */ memset(pr->power.states, 0, sizeof(pr->power.states)); @@ -640,7 +638,7 @@ static int acpi_processor_get_power_info_default_c1(struct acpi_processor *pr) pr->power.states[ACPI_STATE_C0].valid = 1; pr->power.states[ACPI_STATE_C1].valid = 1; - return_VALUE(0); + return 0; } static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) @@ -652,10 +650,9 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *cst; - ACPI_FUNCTION_TRACE("acpi_processor_get_power_info_cst"); if (nocst) - return_VALUE(-ENODEV); + return -ENODEV; current_count = 1; @@ -667,15 +664,14 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) status = acpi_evaluate_object(pr->handle, "_CST", NULL, &buffer); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No _CST, giving up\n")); - return_VALUE(-ENODEV); + return -ENODEV; } cst = (union acpi_object *)buffer.pointer; /* There must be at least 2 elements */ if (!cst || (cst->type != ACPI_TYPE_PACKAGE) || cst->package.count < 2) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "not enough elements in _CST\n")); + printk(KERN_ERR PREFIX "not enough elements in _CST\n"); status = -EFAULT; goto end; } @@ -684,8 +680,7 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) /* Validate number of power states. */ if (count < 1 || count != cst->package.count - 1) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "count given by _CST is not valid\n")); + printk(KERN_ERR PREFIX "count given by _CST is not valid\n"); status = -EFAULT; goto end; } @@ -775,15 +770,14 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr) end: acpi_os_free(buffer.pointer); - return_VALUE(status); + return status; } static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx) { - ACPI_FUNCTION_TRACE("acpi_processor_get_power_verify_c2"); if (!cx->address) - return_VOID; + return; /* * C2 latency must be less than or equal to 100 @@ -792,7 +786,7 @@ static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx) else if (cx->latency > ACPI_PROCESSOR_MAX_C2_LATENCY) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "latency too large [%d]\n", cx->latency)); - return_VOID; + return; } /* @@ -802,7 +796,7 @@ static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx) cx->valid = 1; cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency); - return_VOID; + return; } static void acpi_processor_power_verify_c3(struct acpi_processor *pr, @@ -810,10 +804,9 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, { static int bm_check_flag; - ACPI_FUNCTION_TRACE("acpi_processor_get_power_verify_c3"); if (!cx->address) - return_VOID; + return; /* * C3 latency must be less than or equal to 1000 @@ -822,7 +815,7 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, else if (cx->latency > ACPI_PROCESSOR_MAX_C3_LATENCY) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "latency too large [%d]\n", cx->latency)); - return_VOID; + return; } /* @@ -835,7 +828,7 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, else if (errata.piix4.fdma) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "C3 not supported on PIIX4 with Type-F DMA\n")); - return_VOID; + return; } /* All the logic here assumes flags.bm_check is same across all CPUs */ @@ -852,7 +845,7 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, if (!pr->flags.bm_control) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "C3 support requires bus mastering control\n")); - return_VOID; + return; } } else { /* @@ -863,7 +856,7 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cache invalidation should work properly" " for C3 to be enabled on SMP systems\n")); - return_VOID; + return; } acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0, ACPI_MTX_DO_NOT_LOCK); @@ -878,7 +871,7 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, cx->valid = 1; cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency); - return_VOID; + return; } static int acpi_processor_power_verify(struct acpi_processor *pr) @@ -937,7 +930,6 @@ static int acpi_processor_get_power_info(struct acpi_processor *pr) unsigned int i; int result; - ACPI_FUNCTION_TRACE("acpi_processor_get_power_info"); /* NOTE: the idle thread may not be running while calling * this function */ @@ -960,7 +952,7 @@ static int acpi_processor_get_power_info(struct acpi_processor *pr) */ result = acpi_processor_set_power_policy(pr); if (result) - return_VALUE(result); + return result; /* * if one state of type C2 or C3 is available, mark this @@ -974,24 +966,23 @@ static int acpi_processor_get_power_info(struct acpi_processor *pr) } } - return_VALUE(0); + return 0; } int acpi_processor_cst_has_changed(struct acpi_processor *pr) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_processor_cst_has_changed"); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; if (nocst) { - return_VALUE(-ENODEV); + return -ENODEV; } if (!pr->flags.power_setup_done) - return_VALUE(-ENODEV); + return -ENODEV; /* Fall back to the default idle loop */ pm_idle = pm_idle_save; @@ -1002,7 +993,7 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr) if ((pr->flags.power == 1) && (pr->flags.power_setup_done)) pm_idle = acpi_processor_idle; - return_VALUE(result); + return result; } /* proc interface */ @@ -1012,7 +1003,6 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) struct acpi_processor *pr = (struct acpi_processor *)seq->private; unsigned int i; - ACPI_FUNCTION_TRACE("acpi_processor_power_seq_show"); if (!pr) goto end; @@ -1064,13 +1054,14 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset) else seq_puts(seq, "demotion[--] "); - seq_printf(seq, "latency[%03d] usage[%08d]\n", + seq_printf(seq, "latency[%03d] usage[%08d] duration[%020llu]\n", pr->power.states[i].latency, - pr->power.states[i].usage); + pr->power.states[i].usage, + pr->power.states[i].time); } end: - return_VALUE(0); + return 0; } static int acpi_processor_power_open_fs(struct inode *inode, struct file *file) @@ -1094,7 +1085,6 @@ int acpi_processor_power_init(struct acpi_processor *pr, struct proc_dir_entry *entry = NULL; unsigned int i; - ACPI_FUNCTION_TRACE("acpi_processor_power_init"); if (!first_run) { dmi_check_system(processor_power_dmi_table); @@ -1106,14 +1096,14 @@ int acpi_processor_power_init(struct acpi_processor *pr, } if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; if (acpi_fadt.cst_cnt && !nocst) { status = acpi_os_write_port(acpi_fadt.smi_cmd, acpi_fadt.cst_cnt, 8); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Notifying BIOS of _CST ability failed\n")); + ACPI_EXCEPTION((AE_INFO, status, + "Notifying BIOS of _CST ability failed")); } } @@ -1142,9 +1132,7 @@ int acpi_processor_power_init(struct acpi_processor *pr, entry = create_proc_entry(ACPI_PROCESSOR_FILE_POWER, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_PROCESSOR_FILE_POWER)); + return -EIO; else { entry->proc_fops = &acpi_processor_power_fops; entry->data = acpi_driver_data(device); @@ -1153,13 +1141,12 @@ int acpi_processor_power_init(struct acpi_processor *pr, pr->flags.power_setup_done = 1; - return_VALUE(0); + return 0; } int acpi_processor_power_exit(struct acpi_processor *pr, struct acpi_device *device) { - ACPI_FUNCTION_TRACE("acpi_processor_power_exit"); pr->flags.power_setup_done = 0; @@ -1179,5 +1166,5 @@ int acpi_processor_power_exit(struct acpi_processor *pr, cpu_idle_wait(); } - return_VALUE(0); + return 0; } diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 41aaaba74b19..14a00e5a8f6a 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -108,10 +108,9 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr) acpi_status status = 0; unsigned long ppc = 0; - ACPI_FUNCTION_TRACE("acpi_processor_get_platform_limit"); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; /* * _PPC indicates the maximum state currently supported by the platform @@ -123,13 +122,13 @@ static int acpi_processor_get_platform_limit(struct acpi_processor *pr) acpi_processor_ppc_status |= PPC_IN_USE; if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PPC\n")); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PPC")); + return -ENODEV; } pr->performance_platform_limit = (int)ppc; - return_VALUE(0); + return 0; } int acpi_processor_ppc_has_changed(struct acpi_processor *pr) @@ -168,18 +167,17 @@ static int acpi_processor_get_performance_control(struct acpi_processor *pr) union acpi_object *pct = NULL; union acpi_object obj = { 0 }; - ACPI_FUNCTION_TRACE("acpi_processor_get_performance_control"); status = acpi_evaluate_object(pr->handle, "_PCT", NULL, &buffer); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PCT\n")); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PCT")); + return -ENODEV; } pct = (union acpi_object *)buffer.pointer; if (!pct || (pct->type != ACPI_TYPE_PACKAGE) || (pct->package.count != 2)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PCT data\n")); + printk(KERN_ERR PREFIX "Invalid _PCT data\n"); result = -EFAULT; goto end; } @@ -193,8 +191,7 @@ static int acpi_processor_get_performance_control(struct acpi_processor *pr) if ((obj.type != ACPI_TYPE_BUFFER) || (obj.buffer.length < sizeof(struct acpi_pct_register)) || (obj.buffer.pointer == NULL)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid _PCT data (control_register)\n")); + printk(KERN_ERR PREFIX "Invalid _PCT data (control_register)\n"); result = -EFAULT; goto end; } @@ -210,8 +207,7 @@ static int acpi_processor_get_performance_control(struct acpi_processor *pr) if ((obj.type != ACPI_TYPE_BUFFER) || (obj.buffer.length < sizeof(struct acpi_pct_register)) || (obj.buffer.pointer == NULL)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid _PCT data (status_register)\n")); + printk(KERN_ERR PREFIX "Invalid _PCT data (status_register)\n"); result = -EFAULT; goto end; } @@ -222,7 +218,7 @@ static int acpi_processor_get_performance_control(struct acpi_processor *pr) end: acpi_os_free(buffer.pointer); - return_VALUE(result); + return result; } static int acpi_processor_get_performance_states(struct acpi_processor *pr) @@ -235,17 +231,16 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) union acpi_object *pss = NULL; int i; - ACPI_FUNCTION_TRACE("acpi_processor_get_performance_states"); status = acpi_evaluate_object(pr->handle, "_PSS", NULL, &buffer); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PSS\n")); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PSS")); + return -ENODEV; } pss = (union acpi_object *)buffer.pointer; if (!pss || (pss->type != ACPI_TYPE_PACKAGE)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _PSS data\n")); + printk(KERN_ERR PREFIX "Invalid _PSS data\n"); result = -EFAULT; goto end; } @@ -274,8 +269,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) status = acpi_extract_package(&(pss->package.elements[i]), &format, &state); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid _PSS data\n")); + ACPI_EXCEPTION((AE_INFO, status, "Invalid _PSS data")); result = -EFAULT; kfree(pr->performance->states); goto end; @@ -291,8 +285,8 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) (u32) px->control, (u32) px->status)); if (!px->core_frequency) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid _PSS data: freq is zero\n")); + printk(KERN_ERR PREFIX + "Invalid _PSS data: freq is zero\n"); result = -EFAULT; kfree(pr->performance->states); goto end; @@ -302,7 +296,7 @@ static int acpi_processor_get_performance_states(struct acpi_processor *pr) end: acpi_os_free(buffer.pointer); - return_VALUE(result); + return result; } static int acpi_processor_get_performance_info(struct acpi_processor *pr) @@ -311,31 +305,30 @@ static int acpi_processor_get_performance_info(struct acpi_processor *pr) acpi_status status = AE_OK; acpi_handle handle = NULL; - ACPI_FUNCTION_TRACE("acpi_processor_get_performance_info"); if (!pr || !pr->performance || !pr->handle) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_get_handle(pr->handle, "_PCT", &handle); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "ACPI-based processor performance control unavailable\n")); - return_VALUE(-ENODEV); + return -ENODEV; } result = acpi_processor_get_performance_control(pr); if (result) - return_VALUE(result); + return result; result = acpi_processor_get_performance_states(pr); if (result) - return_VALUE(result); + return result; result = acpi_processor_get_platform_limit(pr); if (result) - return_VALUE(result); + return result; - return_VALUE(0); + return 0; } int acpi_processor_notify_smm(struct module *calling_module) @@ -343,13 +336,12 @@ int acpi_processor_notify_smm(struct module *calling_module) acpi_status status; static int is_done = 0; - ACPI_FUNCTION_TRACE("acpi_processor_notify_smm"); if (!(acpi_processor_ppc_status & PPC_REGISTERED)) - return_VALUE(-EBUSY); + return -EBUSY; if (!try_module_get(calling_module)) - return_VALUE(-EINVAL); + return -EINVAL; /* is_done is set to negative if an error occured, * and to postitive if _no_ error occured, but SMM @@ -358,10 +350,10 @@ int acpi_processor_notify_smm(struct module *calling_module) */ if (is_done > 0) { module_put(calling_module); - return_VALUE(0); + return 0; } else if (is_done < 0) { module_put(calling_module); - return_VALUE(is_done); + return is_done; } is_done = -EIO; @@ -370,7 +362,7 @@ int acpi_processor_notify_smm(struct module *calling_module) if ((!acpi_fadt.smi_cmd) || (!acpi_fadt.pstate_cnt)) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No SMI port or pstate_cnt\n")); module_put(calling_module); - return_VALUE(0); + return 0; } ACPI_DEBUG_PRINT((ACPI_DB_INFO, @@ -387,12 +379,12 @@ int acpi_processor_notify_smm(struct module *calling_module) status = acpi_os_write_port(acpi_fadt.smi_cmd, (u32) acpi_fadt.pstate_cnt, 8); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Failed to write pstate_cnt [0x%x] to " - "smi_cmd [0x%x]\n", acpi_fadt.pstate_cnt, - acpi_fadt.smi_cmd)); + ACPI_EXCEPTION((AE_INFO, status, + "Failed to write pstate_cnt [0x%x] to " + "smi_cmd [0x%x]", acpi_fadt.pstate_cnt, + acpi_fadt.smi_cmd)); module_put(calling_module); - return_VALUE(status); + return status; } /* Success. If there's no _PPC, we need to fear nothing, so @@ -402,7 +394,7 @@ int acpi_processor_notify_smm(struct module *calling_module) if (!(acpi_processor_ppc_status & PPC_IN_USE)) module_put(calling_module); - return_VALUE(0); + return 0; } EXPORT_SYMBOL(acpi_processor_notify_smm); @@ -423,7 +415,6 @@ static int acpi_processor_perf_seq_show(struct seq_file *seq, void *offset) struct acpi_processor *pr = (struct acpi_processor *)seq->private; int i; - ACPI_FUNCTION_TRACE("acpi_processor_perf_seq_show"); if (!pr) goto end; @@ -447,7 +438,7 @@ static int acpi_processor_perf_seq_show(struct seq_file *seq, void *offset) (u32) pr->performance->states[i].transition_latency); end: - return_VALUE(0); + return 0; } static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file) @@ -469,23 +460,22 @@ acpi_processor_write_performance(struct file *file, unsigned int new_state = 0; struct cpufreq_policy policy; - ACPI_FUNCTION_TRACE("acpi_processor_write_performance"); if (!pr || (count > sizeof(state_string) - 1)) - return_VALUE(-EINVAL); + return -EINVAL; perf = pr->performance; if (!perf) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(state_string, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; state_string[count] = '\0'; new_state = simple_strtoul(state_string, NULL, 0); if (new_state >= perf->state_count) - return_VALUE(-EINVAL); + return -EINVAL; cpufreq_get_policy(&policy, pr->id); @@ -495,9 +485,9 @@ acpi_processor_write_performance(struct file *file, result = cpufreq_set_policy(&policy); if (result) - return_VALUE(result); + return result; - return_VALUE(count); + return count; } static void acpi_cpufreq_add_file(struct acpi_processor *pr) @@ -505,42 +495,36 @@ static void acpi_cpufreq_add_file(struct acpi_processor *pr) struct proc_dir_entry *entry = NULL; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_cpufreq_addfile"); if (acpi_bus_get_device(pr->handle, &device)) - return_VOID; + return; /* add file 'performance' [R/W] */ entry = create_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE, S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); - if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_PROCESSOR_FILE_PERFORMANCE)); - else { + if (entry){ acpi_processor_perf_fops.write = acpi_processor_write_performance; entry->proc_fops = &acpi_processor_perf_fops; entry->data = acpi_driver_data(device); entry->owner = THIS_MODULE; } - return_VOID; + return; } static void acpi_cpufreq_remove_file(struct acpi_processor *pr) { struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_cpufreq_addfile"); if (acpi_bus_get_device(pr->handle, &device)) - return_VOID; + return; /* remove file 'performance' */ remove_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE, acpi_device_dir(device)); - return_VOID; + return; } #else @@ -698,12 +682,12 @@ int acpi_processor_preregister_performance( /* Validate the Domain info */ count_target = pdomain->num_processors; count = 1; - if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ALL || - pdomain->coord_type == DOMAIN_COORD_TYPE_HW_ALL) { + if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ALL) pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ALL; - } else if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ANY) { + else if (pdomain->coord_type == DOMAIN_COORD_TYPE_HW_ALL) + pr->performance->shared_type = CPUFREQ_SHARED_TYPE_HW; + else if (pdomain->coord_type == DOMAIN_COORD_TYPE_SW_ANY) pr->performance->shared_type = CPUFREQ_SHARED_TYPE_ANY; - } for_each_possible_cpu(j) { if (i == j) @@ -784,22 +768,21 @@ acpi_processor_register_performance(struct acpi_processor_performance { struct acpi_processor *pr; - ACPI_FUNCTION_TRACE("acpi_processor_register_performance"); if (!(acpi_processor_ppc_status & PPC_REGISTERED)) - return_VALUE(-EINVAL); + return -EINVAL; mutex_lock(&performance_mutex); pr = processors[cpu]; if (!pr) { mutex_unlock(&performance_mutex); - return_VALUE(-ENODEV); + return -ENODEV; } if (pr->performance) { mutex_unlock(&performance_mutex); - return_VALUE(-EBUSY); + return -EBUSY; } WARN_ON(!performance); @@ -809,13 +792,13 @@ acpi_processor_register_performance(struct acpi_processor_performance if (acpi_processor_get_performance_info(pr)) { pr->performance = NULL; mutex_unlock(&performance_mutex); - return_VALUE(-EIO); + return -EIO; } acpi_cpufreq_add_file(pr); mutex_unlock(&performance_mutex); - return_VALUE(0); + return 0; } EXPORT_SYMBOL(acpi_processor_register_performance); @@ -826,14 +809,13 @@ acpi_processor_unregister_performance(struct acpi_processor_performance { struct acpi_processor *pr; - ACPI_FUNCTION_TRACE("acpi_processor_unregister_performance"); mutex_lock(&performance_mutex); pr = processors[cpu]; if (!pr) { mutex_unlock(&performance_mutex); - return_VOID; + return; } if (pr->performance) @@ -844,7 +826,7 @@ acpi_processor_unregister_performance(struct acpi_processor_performance mutex_unlock(&performance_mutex); - return_VOID; + return; } EXPORT_SYMBOL(acpi_processor_unregister_performance); diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index f99ad05cd6a2..ef5e0f6efdba 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -54,13 +54,12 @@ static int acpi_processor_apply_limit(struct acpi_processor *pr) u16 px = 0; u16 tx = 0; - ACPI_FUNCTION_TRACE("acpi_processor_apply_limit"); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; if (!pr->flags.limit) - return_VALUE(-ENODEV); + return -ENODEV; if (pr->flags.throttling) { if (pr->limit.user.tx > tx) @@ -82,9 +81,9 @@ static int acpi_processor_apply_limit(struct acpi_processor *pr) end: if (result) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Unable to set limit\n")); + printk(KERN_ERR PREFIX "Unable to set limit\n"); - return_VALUE(result); + return result; } #ifdef CONFIG_CPU_FREQ @@ -200,19 +199,18 @@ int acpi_processor_set_thermal_limit(acpi_handle handle, int type) struct acpi_device *device = NULL; int tx = 0, max_tx_px = 0; - ACPI_FUNCTION_TRACE("acpi_processor_set_thermal_limit"); if ((type < ACPI_PROCESSOR_LIMIT_NONE) || (type > ACPI_PROCESSOR_LIMIT_DECREMENT)) - return_VALUE(-EINVAL); + return -EINVAL; result = acpi_bus_get_device(handle, &device); if (result) - return_VALUE(result); + return result; pr = (struct acpi_processor *)acpi_driver_data(device); if (!pr) - return_VALUE(-ENODEV); + return -ENODEV; /* Thermal limits are always relative to the current Px/Tx state. */ if (pr->flags.throttling) @@ -289,30 +287,28 @@ int acpi_processor_set_thermal_limit(acpi_handle handle, int type) result = acpi_processor_apply_limit(pr); if (result) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to set thermal limit\n")); + printk(KERN_ERR PREFIX "Unable to set thermal limit\n"); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Thermal limit now (P%d:T%d)\n", pr->limit.thermal.px, pr->limit.thermal.tx)); } else result = 0; if (max_tx_px) - return_VALUE(1); + return 1; else - return_VALUE(result); + return result; } int acpi_processor_get_limit_info(struct acpi_processor *pr) { - ACPI_FUNCTION_TRACE("acpi_processor_get_limit_info"); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; if (pr->flags.throttling) pr->flags.limit = 1; - return_VALUE(0); + return 0; } /* /proc interface */ @@ -321,7 +317,6 @@ static int acpi_processor_limit_seq_show(struct seq_file *seq, void *offset) { struct acpi_processor *pr = (struct acpi_processor *)seq->private; - ACPI_FUNCTION_TRACE("acpi_processor_limit_seq_show"); if (!pr) goto end; @@ -339,7 +334,7 @@ static int acpi_processor_limit_seq_show(struct seq_file *seq, void *offset) pr->limit.thermal.px, pr->limit.thermal.tx); end: - return_VALUE(0); + return 0; } static int acpi_processor_limit_open_fs(struct inode *inode, struct file *file) @@ -359,36 +354,33 @@ static ssize_t acpi_processor_write_limit(struct file * file, int px = 0; int tx = 0; - ACPI_FUNCTION_TRACE("acpi_processor_write_limit"); if (!pr || (count > sizeof(limit_string) - 1)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument\n")); - return_VALUE(-EINVAL); + return -EINVAL; } if (copy_from_user(limit_string, buffer, count)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data\n")); - return_VALUE(-EFAULT); + return -EFAULT; } limit_string[count] = '\0'; if (sscanf(limit_string, "%d:%d", &px, &tx) != 2) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n")); - return_VALUE(-EINVAL); + printk(KERN_ERR PREFIX "Invalid data format\n"); + return -EINVAL; } if (pr->flags.throttling) { if ((tx < 0) || (tx > (pr->throttling.state_count - 1))) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid tx\n")); - return_VALUE(-EINVAL); + printk(KERN_ERR PREFIX "Invalid tx\n"); + return -EINVAL; } pr->limit.user.tx = tx; } result = acpi_processor_apply_limit(pr); - return_VALUE(count); + return count; } struct file_operations acpi_processor_limit_fops = { diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c index b966549ec000..d044ec519db0 100644 --- a/drivers/acpi/processor_throttling.c +++ b/drivers/acpi/processor_throttling.c @@ -55,13 +55,12 @@ static int acpi_processor_get_throttling(struct acpi_processor *pr) u32 duty_mask = 0; u32 duty_value = 0; - ACPI_FUNCTION_TRACE("acpi_processor_get_throttling"); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; if (!pr->flags.throttling) - return_VALUE(-ENODEV); + return -ENODEV; pr->throttling.state = 0; @@ -93,7 +92,7 @@ static int acpi_processor_get_throttling(struct acpi_processor *pr) "Throttling state is T%d (%d%% throttling applied)\n", state, pr->throttling.states[state].performance)); - return_VALUE(0); + return 0; } int acpi_processor_set_throttling(struct acpi_processor *pr, int state) @@ -102,19 +101,18 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state) u32 duty_mask = 0; u32 duty_value = 0; - ACPI_FUNCTION_TRACE("acpi_processor_set_throttling"); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; if ((state < 0) || (state > (pr->throttling.state_count - 1))) - return_VALUE(-EINVAL); + return -EINVAL; if (!pr->flags.throttling) - return_VALUE(-ENODEV); + return -ENODEV; if (state == pr->throttling.state) - return_VALUE(0); + return 0; /* * Calculate the duty_value and duty_mask. @@ -165,7 +163,7 @@ int acpi_processor_set_throttling(struct acpi_processor *pr, int state) (pr->throttling.states[state].performance ? pr-> throttling.states[state].performance / 10 : 0))); - return_VALUE(0); + return 0; } int acpi_processor_get_throttling_info(struct acpi_processor *pr) @@ -174,7 +172,6 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr) int step = 0; int i = 0; - ACPI_FUNCTION_TRACE("acpi_processor_get_throttling_info"); ACPI_DEBUG_PRINT((ACPI_DB_INFO, "pblk_address[0x%08x] duty_offset[%d] duty_width[%d]\n", @@ -183,21 +180,21 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr) pr->throttling.duty_width)); if (!pr) - return_VALUE(-EINVAL); + return -EINVAL; /* TBD: Support ACPI 2.0 objects */ if (!pr->throttling.address) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling register\n")); - return_VALUE(0); + return 0; } else if (!pr->throttling.duty_width) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "No throttling states\n")); - return_VALUE(0); + return 0; } /* TBD: Support duty_cycle values that span bit 4. */ else if ((pr->throttling.duty_offset + pr->throttling.duty_width) > 4) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, "duty_cycle spans bit 4\n")); - return_VALUE(0); + printk(KERN_WARNING PREFIX "duty_cycle spans bit 4\n"); + return 0; } /* @@ -208,7 +205,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr) if (errata.piix4.throttle) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Throttling not supported on PIIX4 A- or B-step\n")); - return_VALUE(0); + return 0; } pr->throttling.state_count = 1 << acpi_fadt.duty_width; @@ -254,7 +251,7 @@ int acpi_processor_get_throttling_info(struct acpi_processor *pr) if (result) pr->flags.throttling = 0; - return_VALUE(result); + return result; } /* proc interface */ @@ -266,7 +263,6 @@ static int acpi_processor_throttling_seq_show(struct seq_file *seq, int i = 0; int result = 0; - ACPI_FUNCTION_TRACE("acpi_processor_throttling_seq_show"); if (!pr) goto end; @@ -296,7 +292,7 @@ static int acpi_processor_throttling_seq_show(struct seq_file *seq, throttling.states[i].performance / 10 : 0)); end: - return_VALUE(0); + return 0; } static int acpi_processor_throttling_open_fs(struct inode *inode, @@ -315,13 +311,12 @@ static ssize_t acpi_processor_write_throttling(struct file * file, struct acpi_processor *pr = (struct acpi_processor *)m->private; char state_string[12] = { '\0' }; - ACPI_FUNCTION_TRACE("acpi_processor_write_throttling"); if (!pr || (count > sizeof(state_string) - 1)) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(state_string, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; state_string[count] = '\0'; @@ -329,9 +324,9 @@ static ssize_t acpi_processor_write_throttling(struct file * file, simple_strtoul(state_string, NULL, 0)); if (result) - return_VALUE(result); + return result; - return_VALUE(count); + return count; } struct file_operations acpi_processor_throttling_fops = { diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c index f8316a05ede7..861ac378ce42 100644 --- a/drivers/acpi/scan.c +++ b/drivers/acpi/scan.c @@ -162,11 +162,10 @@ static void acpi_device_unregister(struct acpi_device *device, int type) void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context) { - ACPI_FUNCTION_TRACE("acpi_bus_data_handler"); /* TBD */ - return_VOID; + return; } static int acpi_bus_get_power_flags(struct acpi_device *device) @@ -175,7 +174,6 @@ static int acpi_bus_get_power_flags(struct acpi_device *device) acpi_handle handle = NULL; u32 i = 0; - ACPI_FUNCTION_TRACE("acpi_bus_get_power_flags"); /* * Power Management Flags @@ -228,7 +226,7 @@ static int acpi_bus_get_power_flags(struct acpi_device *device) device->power.state = ACPI_STATE_UNKNOWN; - return_VALUE(0); + return 0; } int acpi_match_ids(struct acpi_device *device, char *ids) @@ -306,20 +304,18 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device) struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *package = NULL; - ACPI_FUNCTION_TRACE("acpi_bus_get_wakeup_flags"); /* _PRW */ status = acpi_evaluate_object(device->handle, "_PRW", NULL, &buffer); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _PRW\n")); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRW")); goto end; } package = (union acpi_object *)buffer.pointer; status = acpi_bus_extract_wakeup_device_power_package(device, package); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error extracting _PRW package\n")); + ACPI_EXCEPTION((AE_INFO, status, "Extracting _PRW package")); goto end; } @@ -333,7 +329,7 @@ static int acpi_bus_get_wakeup_device_flags(struct acpi_device *device) end: if (ACPI_FAILURE(status)) device->flags.wake_capable = 0; - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -489,19 +485,18 @@ acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_bus_driver_init"); if (!device || !driver) - return_VALUE(-EINVAL); + return -EINVAL; if (!driver->ops.add) - return_VALUE(-ENOSYS); + return -ENOSYS; result = driver->ops.add(device); if (result) { device->driver = NULL; acpi_driver_data(device) = NULL; - return_VALUE(result); + return result; } device->driver = driver; @@ -513,7 +508,7 @@ acpi_bus_driver_init(struct acpi_device *device, struct acpi_driver *driver) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Driver successfully bound to device\n")); - return_VALUE(0); + return 0; } static int acpi_start_single_object(struct acpi_device *device) @@ -521,10 +516,9 @@ static int acpi_start_single_object(struct acpi_device *device) int result = 0; struct acpi_driver *driver; - ACPI_FUNCTION_TRACE("acpi_start_single_object"); if (!(driver = device->driver)) - return_VALUE(0); + return 0; if (driver->ops.start) { result = driver->ops.start(device); @@ -532,14 +526,13 @@ static int acpi_start_single_object(struct acpi_device *device) driver->ops.remove(device, ACPI_BUS_REMOVAL_NORMAL); } - return_VALUE(result); + return result; } static void acpi_driver_attach(struct acpi_driver *drv) { struct list_head *node, *next; - ACPI_FUNCTION_TRACE("acpi_driver_attach"); spin_lock(&acpi_device_lock); list_for_each_safe(node, next, &acpi_device_list) { @@ -568,7 +561,6 @@ static void acpi_driver_detach(struct acpi_driver *drv) { struct list_head *node, *next; - ACPI_FUNCTION_TRACE("acpi_driver_detach"); spin_lock(&acpi_device_lock); list_for_each_safe(node, next, &acpi_device_list) { @@ -598,17 +590,16 @@ static void acpi_driver_detach(struct acpi_driver *drv) */ int acpi_bus_register_driver(struct acpi_driver *driver) { - ACPI_FUNCTION_TRACE("acpi_bus_register_driver"); if (acpi_disabled) - return_VALUE(-ENODEV); + return -ENODEV; spin_lock(&acpi_device_lock); list_add_tail(&driver->node, &acpi_bus_drivers); spin_unlock(&acpi_device_lock); acpi_driver_attach(driver); - return_VALUE(0); + return 0; } EXPORT_SYMBOL(acpi_bus_register_driver); @@ -646,7 +637,6 @@ static int acpi_bus_find_driver(struct acpi_device *device) int result = 0; struct list_head *node, *next; - ACPI_FUNCTION_TRACE("acpi_bus_find_driver"); spin_lock(&acpi_device_lock); list_for_each_safe(node, next, &acpi_bus_drivers) { @@ -666,19 +656,41 @@ static int acpi_bus_find_driver(struct acpi_device *device) spin_unlock(&acpi_device_lock); Done: - return_VALUE(result); + return result; } /* -------------------------------------------------------------------------- Device Enumeration -------------------------------------------------------------------------- */ +acpi_status +acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd) +{ + acpi_status status; + acpi_handle tmp; + struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; + union acpi_object *obj; + + status = acpi_get_handle(handle, "_EJD", &tmp); + if (ACPI_FAILURE(status)) + return status; + + status = acpi_evaluate_object(handle, "_EJD", NULL, &buffer); + if (ACPI_SUCCESS(status)) { + obj = buffer.pointer; + status = acpi_get_handle(NULL, obj->string.pointer, ejd); + kfree(buffer.pointer); + } + return status; +} +EXPORT_SYMBOL_GPL(acpi_bus_get_ejd); + + static int acpi_bus_get_flags(struct acpi_device *device) { acpi_status status = AE_OK; acpi_handle temp = NULL; - ACPI_FUNCTION_TRACE("acpi_bus_get_flags"); /* Presence of _STA indicates 'dynamic_status' */ status = acpi_get_handle(device->handle, "_STA", &temp); @@ -724,7 +736,7 @@ static int acpi_bus_get_flags(struct acpi_device *device) /* TBD: Peformance management */ - return_VALUE(0); + return 0; } static void acpi_device_get_busid(struct acpi_device *device, @@ -918,10 +930,9 @@ static int acpi_bus_remove(struct acpi_device *dev, int rmdevice) int result = 0; struct acpi_driver *driver; - ACPI_FUNCTION_TRACE("acpi_bus_remove"); if (!dev) - return_VALUE(-EINVAL); + return -EINVAL; driver = dev->driver; @@ -930,12 +941,12 @@ static int acpi_bus_remove(struct acpi_device *dev, int rmdevice) if (driver->ops.stop) { result = driver->ops.stop(dev, ACPI_BUS_REMOVAL_EJECT); if (result) - return_VALUE(result); + return result; } result = dev->driver->ops.remove(dev, ACPI_BUS_REMOVAL_EJECT); if (result) { - return_VALUE(result); + return result; } atomic_dec(&dev->driver->references); @@ -944,7 +955,7 @@ static int acpi_bus_remove(struct acpi_device *dev, int rmdevice) } if (!rmdevice) - return_VALUE(0); + return 0; if (dev->flags.bus_address) { if ((dev->parent) && (dev->parent->ops.unbind)) @@ -953,7 +964,7 @@ static int acpi_bus_remove(struct acpi_device *dev, int rmdevice) acpi_device_unregister(dev, ACPI_BUS_REMOVAL_EJECT); - return_VALUE(0); + return 0; } static int @@ -963,15 +974,14 @@ acpi_add_single_object(struct acpi_device **child, int result = 0; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_add_single_object"); if (!child) - return_VALUE(-EINVAL); + return -EINVAL; device = kmalloc(sizeof(struct acpi_device), GFP_KERNEL); if (!device) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Memory allocation error\n")); - return_VALUE(-ENOMEM); + printk(KERN_ERR PREFIX "Memory allocation error\n"); + return -ENOMEM; } memset(device, 0, sizeof(struct acpi_device)); @@ -1096,7 +1106,7 @@ acpi_add_single_object(struct acpi_device **child, kfree(device); } - return_VALUE(result); + return result; } static int acpi_bus_scan(struct acpi_device *start, struct acpi_bus_ops *ops) @@ -1109,10 +1119,9 @@ static int acpi_bus_scan(struct acpi_device *start, struct acpi_bus_ops *ops) acpi_object_type type = 0; u32 level = 1; - ACPI_FUNCTION_TRACE("acpi_bus_scan"); if (!start) - return_VALUE(-EINVAL); + return -EINVAL; parent = start; phandle = start->handle; @@ -1209,7 +1218,7 @@ static int acpi_bus_scan(struct acpi_device *start, struct acpi_bus_ops *ops) } } - return_VALUE(0); + return 0; } int @@ -1219,7 +1228,6 @@ acpi_bus_add(struct acpi_device **child, int result; struct acpi_bus_ops ops; - ACPI_FUNCTION_TRACE("acpi_bus_add"); result = acpi_add_single_object(child, parent, handle, type); if (!result) { @@ -1227,7 +1235,7 @@ acpi_bus_add(struct acpi_device **child, ops.acpi_op_add = 1; result = acpi_bus_scan(*child, &ops); } - return_VALUE(result); + return result; } EXPORT_SYMBOL(acpi_bus_add); @@ -1237,10 +1245,9 @@ int acpi_bus_start(struct acpi_device *device) int result; struct acpi_bus_ops ops; - ACPI_FUNCTION_TRACE("acpi_bus_start"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; result = acpi_start_single_object(device); if (!result) { @@ -1248,7 +1255,7 @@ int acpi_bus_start(struct acpi_device *device) ops.acpi_op_start = 1; result = acpi_bus_scan(device, &ops); } - return_VALUE(result); + return result; } EXPORT_SYMBOL(acpi_bus_start); @@ -1314,10 +1321,9 @@ static int acpi_bus_scan_fixed(struct acpi_device *root) int result = 0; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_bus_scan_fixed"); if (!root) - return_VALUE(-ENODEV); + return -ENODEV; /* * Enumerate all fixed-feature devices. @@ -1338,7 +1344,7 @@ static int acpi_bus_scan_fixed(struct acpi_device *root) result = acpi_start_single_object(device); } - return_VALUE(result); + return result; } @@ -1427,7 +1433,7 @@ static int acpi_device_resume(struct device * dev) } -struct bus_type acpi_bus_type = { +static struct bus_type acpi_bus_type = { .name = "acpi", .suspend = acpi_device_suspend, .resume = acpi_device_resume, @@ -1440,10 +1446,9 @@ static int __init acpi_scan_init(void) int result; struct acpi_bus_ops ops; - ACPI_FUNCTION_TRACE("acpi_scan_init"); if (acpi_disabled) - return_VALUE(0); + return 0; kset_register(&acpi_namespace_kset); @@ -1488,7 +1493,7 @@ static int __init acpi_scan_init(void) acpi_device_unregister(acpi_root, ACPI_BUS_REMOVAL_NORMAL); Done: - return_VALUE(result); + return result; } subsys_initcall(acpi_scan_init); diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c index a934ac42178d..c90bd2f70b3f 100644 --- a/drivers/acpi/system.c +++ b/drivers/acpi/system.c @@ -47,10 +47,9 @@ extern struct fadt_descriptor acpi_fadt; static int acpi_system_read_info(struct seq_file *seq, void *offset) { - ACPI_FUNCTION_TRACE("acpi_system_read_info"); seq_printf(seq, "version: %x\n", ACPI_CA_VERSION); - return_VALUE(0); + return 0; } static int acpi_system_info_open_fs(struct inode *inode, struct file *file) @@ -80,17 +79,16 @@ acpi_system_read_dsdt(struct file *file, struct acpi_buffer dsdt = { ACPI_ALLOCATE_BUFFER, NULL }; ssize_t res; - ACPI_FUNCTION_TRACE("acpi_system_read_dsdt"); status = acpi_get_table(ACPI_TABLE_ID_DSDT, 1, &dsdt); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; res = simple_read_from_buffer(buffer, count, ppos, dsdt.pointer, dsdt.length); acpi_os_free(dsdt.pointer); - return_VALUE(res); + return res; } static ssize_t acpi_system_read_fadt(struct file *, char __user *, size_t, @@ -108,17 +106,16 @@ acpi_system_read_fadt(struct file *file, struct acpi_buffer fadt = { ACPI_ALLOCATE_BUFFER, NULL }; ssize_t res; - ACPI_FUNCTION_TRACE("acpi_system_read_fadt"); status = acpi_get_table(ACPI_TABLE_ID_FADT, 1, &fadt); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; res = simple_read_from_buffer(buffer, count, ppos, fadt.pointer, fadt.length); acpi_os_free(fadt.pointer); - return_VALUE(res); + return res; } static int __init acpi_system_init(void) @@ -127,10 +124,9 @@ static int __init acpi_system_init(void) int error = 0; char *name; - ACPI_FUNCTION_TRACE("acpi_system_init"); if (acpi_disabled) - return_VALUE(0); + return 0; /* 'info' [R] */ name = ACPI_SYSTEM_FILE_INFO; @@ -158,12 +154,9 @@ static int __init acpi_system_init(void) goto Error; Done: - return_VALUE(error); + return error; Error: - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' proc fs entry\n", name)); - remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir); remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_root_dir); remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_root_dir); diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index e7fe3a14fdaf..c855f4446b5f 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -222,51 +222,48 @@ static int acpi_thermal_get_temperature(struct acpi_thermal *tz) { acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE("acpi_thermal_get_temperature"); if (!tz) - return_VALUE(-EINVAL); + return -EINVAL; tz->last_temperature = tz->temperature; status = acpi_evaluate_integer(tz->handle, "_TMP", NULL, &tz->temperature); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Temperature is %lu dK\n", tz->temperature)); - return_VALUE(0); + return 0; } static int acpi_thermal_get_polling_frequency(struct acpi_thermal *tz) { acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE("acpi_thermal_get_polling_frequency"); if (!tz) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_evaluate_integer(tz->handle, "_TZP", NULL, &tz->polling_frequency); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Polling frequency is %lu dS\n", tz->polling_frequency)); - return_VALUE(0); + return 0; } static int acpi_thermal_set_polling(struct acpi_thermal *tz, int seconds) { - ACPI_FUNCTION_TRACE("acpi_thermal_set_polling"); if (!tz) - return_VALUE(-EINVAL); + return -EINVAL; tz->polling_frequency = seconds * 10; /* Convert value to deci-seconds */ @@ -274,7 +271,7 @@ static int acpi_thermal_set_polling(struct acpi_thermal *tz, int seconds) "Polling frequency set to %lu seconds\n", tz->polling_frequency)); - return_VALUE(0); + return 0; } static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode) @@ -284,29 +281,28 @@ static int acpi_thermal_set_cooling_mode(struct acpi_thermal *tz, int mode) struct acpi_object_list arg_list = { 1, &arg0 }; acpi_handle handle = NULL; - ACPI_FUNCTION_TRACE("acpi_thermal_set_cooling_mode"); if (!tz) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_get_handle(tz->handle, "_SCP", &handle); if (ACPI_FAILURE(status)) { ACPI_DEBUG_PRINT((ACPI_DB_INFO, "_SCP not present\n")); - return_VALUE(-ENODEV); + return -ENODEV; } arg0.integer.value = mode; status = acpi_evaluate_object(handle, NULL, &arg_list, NULL); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; tz->cooling_mode = mode; ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Cooling mode [%s]\n", mode ? "passive" : "active")); - return_VALUE(0); + return 0; } static int acpi_thermal_get_trip_points(struct acpi_thermal *tz) @@ -314,10 +310,9 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz) acpi_status status = AE_OK; int i = 0; - ACPI_FUNCTION_TRACE("acpi_thermal_get_trip_points"); if (!tz) - return_VALUE(-EINVAL); + return -EINVAL; /* Critical Shutdown (required) */ @@ -325,8 +320,8 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz) &tz->trips.critical.temperature); if (ACPI_FAILURE(status)) { tz->trips.critical.flags.valid = 0; - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "No critical threshold\n")); - return_VALUE(-ENODEV); + ACPI_EXCEPTION((AE_INFO, status, "No critical threshold")); + return -ENODEV; } else { tz->trips.critical.flags.valid = 1; ACPI_DEBUG_PRINT((ACPI_DB_INFO, @@ -384,8 +379,7 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz) tz->trips.passive.flags.valid = 0; if (!tz->trips.passive.flags.valid) - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Invalid passive threshold\n")); + printk(KERN_WARNING PREFIX "Invalid passive threshold\n"); else ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Found passive threshold [%lu]\n", @@ -414,29 +408,27 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz) "Found active threshold [%d]:[%lu]\n", i, tz->trips.active[i].temperature)); } else - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid active threshold [%d]\n", - i)); + ACPI_EXCEPTION((AE_INFO, status, + "Invalid active threshold [%d]", i)); } - return_VALUE(0); + return 0; } static int acpi_thermal_get_devices(struct acpi_thermal *tz) { acpi_status status = AE_OK; - ACPI_FUNCTION_TRACE("acpi_thermal_get_devices"); if (!tz) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_evaluate_reference(tz->handle, "_TZD", NULL, &tz->devices); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; - return_VALUE(0); + return 0; } static int acpi_thermal_call_usermode(char *path) @@ -444,10 +436,9 @@ static int acpi_thermal_call_usermode(char *path) char *argv[2] = { NULL, NULL }; char *envp[3] = { NULL, NULL, NULL }; - ACPI_FUNCTION_TRACE("acpi_thermal_call_usermode"); if (!path) - return_VALUE(-EINVAL); + return -EINVAL; argv[0] = path; @@ -457,7 +448,7 @@ static int acpi_thermal_call_usermode(char *path) call_usermodehelper(argv[0], argv, envp, 0); - return_VALUE(0); + return 0; } static int acpi_thermal_critical(struct acpi_thermal *tz) @@ -465,20 +456,19 @@ static int acpi_thermal_critical(struct acpi_thermal *tz) int result = 0; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_thermal_critical"); if (!tz || !tz->trips.critical.flags.valid) - return_VALUE(-EINVAL); + return -EINVAL; if (tz->temperature >= tz->trips.critical.temperature) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Critical trip point\n")); + printk(KERN_WARNING PREFIX "Critical trip point\n"); tz->trips.critical.flags.enabled = 1; } else if (tz->trips.critical.flags.enabled) tz->trips.critical.flags.enabled = 0; result = acpi_bus_get_device(tz->handle, &device); if (result) - return_VALUE(result); + return result; printk(KERN_EMERG "Critical temperature reached (%ld C), shutting down.\n", @@ -488,7 +478,7 @@ static int acpi_thermal_critical(struct acpi_thermal *tz) acpi_thermal_call_usermode(ACPI_THERMAL_PATH_POWEROFF); - return_VALUE(0); + return 0; } static int acpi_thermal_hot(struct acpi_thermal *tz) @@ -496,27 +486,26 @@ static int acpi_thermal_hot(struct acpi_thermal *tz) int result = 0; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_thermal_hot"); if (!tz || !tz->trips.hot.flags.valid) - return_VALUE(-EINVAL); + return -EINVAL; if (tz->temperature >= tz->trips.hot.temperature) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Hot trip point\n")); + printk(KERN_WARNING PREFIX "Hot trip point\n"); tz->trips.hot.flags.enabled = 1; } else if (tz->trips.hot.flags.enabled) tz->trips.hot.flags.enabled = 0; result = acpi_bus_get_device(tz->handle, &device); if (result) - return_VALUE(result); + return result; acpi_bus_generate_event(device, ACPI_THERMAL_NOTIFY_HOT, tz->trips.hot.flags.enabled); /* TBD: Call user-mode "sleep(S4)" function */ - return_VALUE(0); + return 0; } static void acpi_thermal_passive(struct acpi_thermal *tz) @@ -526,7 +515,6 @@ static void acpi_thermal_passive(struct acpi_thermal *tz) int trend = 0; int i = 0; - ACPI_FUNCTION_TRACE("acpi_thermal_passive"); if (!tz || !tz->trips.passive.flags.valid) return; @@ -615,7 +603,6 @@ static void acpi_thermal_active(struct acpi_thermal *tz) int j = 0; unsigned long maxtemp = 0; - ACPI_FUNCTION_TRACE("acpi_thermal_active"); if (!tz) return; @@ -642,10 +629,10 @@ static void acpi_thermal_active(struct acpi_thermal *tz) handles[j], ACPI_STATE_D0); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Unable to turn cooling device [%p] 'on'\n", - active->devices. - handles[j])); + printk(KERN_WARNING PREFIX + "Unable to turn cooling device [%p] 'on'\n", + active->devices. + handles[j]); continue; } active->flags.enabled = 1; @@ -667,9 +654,9 @@ static void acpi_thermal_active(struct acpi_thermal *tz) result = acpi_bus_set_power(active->devices.handles[j], ACPI_STATE_D3); if (result) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Unable to turn cooling device [%p] 'off'\n", - active->devices.handles[j])); + printk(KERN_WARNING PREFIX + "Unable to turn cooling device [%p] 'off'\n", + active->devices.handles[j]); continue; } active->flags.enabled = 0; @@ -697,18 +684,17 @@ static void acpi_thermal_check(void *data) int i = 0; struct acpi_thermal_state state; - ACPI_FUNCTION_TRACE("acpi_thermal_check"); if (!tz) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid (NULL) context.\n")); - return_VOID; + printk(KERN_ERR PREFIX "Invalid (NULL) context\n"); + return; } state = tz->state; result = acpi_thermal_get_temperature(tz); if (result) - return_VOID; + return; memset(&tz->state, 0, sizeof(tz->state)); @@ -797,7 +783,7 @@ static void acpi_thermal_check(void *data) } } - return_VOID; + return; } /* -------------------------------------------------------------------------- @@ -810,7 +796,6 @@ static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset) { struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; - ACPI_FUNCTION_TRACE("acpi_thermal_state_seq_show"); if (!tz) goto end; @@ -833,7 +818,7 @@ static int acpi_thermal_state_seq_show(struct seq_file *seq, void *offset) } end: - return_VALUE(0); + return 0; } static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file) @@ -846,7 +831,6 @@ static int acpi_thermal_temp_seq_show(struct seq_file *seq, void *offset) int result = 0; struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; - ACPI_FUNCTION_TRACE("acpi_thermal_temp_seq_show"); if (!tz) goto end; @@ -859,7 +843,7 @@ static int acpi_thermal_temp_seq_show(struct seq_file *seq, void *offset) KELVIN_TO_CELSIUS(tz->temperature)); end: - return_VALUE(0); + return 0; } static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file) @@ -873,7 +857,6 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset) int i = 0; int j = 0; - ACPI_FUNCTION_TRACE("acpi_thermal_trip_seq_show"); if (!tz) goto end; @@ -913,7 +896,7 @@ static int acpi_thermal_trip_seq_show(struct seq_file *seq, void *offset) } end: - return_VALUE(0); + return 0; } static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file) @@ -934,28 +917,25 @@ acpi_thermal_write_trip_points(struct file *file, int *active; int i = 0; - ACPI_FUNCTION_TRACE("acpi_thermal_write_trip_points"); limit_string = kmalloc(ACPI_THERMAL_MAX_LIMIT_STR_LEN, GFP_KERNEL); if (!limit_string) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(limit_string, 0, ACPI_THERMAL_MAX_LIMIT_STR_LEN); active = kmalloc(ACPI_THERMAL_MAX_ACTIVE * sizeof(int), GFP_KERNEL); if (!active) { kfree(limit_string); - return_VALUE(-ENOMEM); + return -ENOMEM; } if (!tz || (count > ACPI_THERMAL_MAX_LIMIT_STR_LEN - 1)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid argument\n")); count = -EINVAL; goto end; } if (copy_from_user(limit_string, buffer, count)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data\n")); count = -EFAULT; goto end; } @@ -968,7 +948,6 @@ acpi_thermal_write_trip_points(struct file *file, &active[5], &active[6], &active[7], &active[8], &active[9]); if (!(num >= 5 && num < (ACPI_THERMAL_MAX_ACTIVE + 3))) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid data format\n")); count = -EINVAL; goto end; } @@ -985,14 +964,13 @@ acpi_thermal_write_trip_points(struct file *file, end: kfree(active); kfree(limit_string); - return_VALUE(count); + return count; } static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset) { struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; - ACPI_FUNCTION_TRACE("acpi_thermal_cooling_seq_show"); if (!tz) goto end; @@ -1008,7 +986,7 @@ static int acpi_thermal_cooling_seq_show(struct seq_file *seq, void *offset) tz->cooling_mode ? "passive" : "active"); end: - return_VALUE(0); + return 0; } static int acpi_thermal_cooling_open_fs(struct inode *inode, struct file *file) @@ -1027,16 +1005,15 @@ acpi_thermal_write_cooling_mode(struct file *file, int result = 0; char mode_string[12] = { '\0' }; - ACPI_FUNCTION_TRACE("acpi_thermal_write_cooling_mode"); if (!tz || (count > sizeof(mode_string) - 1)) - return_VALUE(-EINVAL); + return -EINVAL; if (!tz->flags.cooling_mode) - return_VALUE(-ENODEV); + return -ENODEV; if (copy_from_user(mode_string, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; mode_string[count] = '\0'; @@ -1044,18 +1021,17 @@ acpi_thermal_write_cooling_mode(struct file *file, simple_strtoul(mode_string, NULL, 0)); if (result) - return_VALUE(result); + return result; acpi_thermal_check(tz); - return_VALUE(count); + return count; } static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset) { struct acpi_thermal *tz = (struct acpi_thermal *)seq->private; - ACPI_FUNCTION_TRACE("acpi_thermal_polling_seq_show"); if (!tz) goto end; @@ -1069,7 +1045,7 @@ static int acpi_thermal_polling_seq_show(struct seq_file *seq, void *offset) (tz->polling_frequency / 10)); end: - return_VALUE(0); + return 0; } static int acpi_thermal_polling_open_fs(struct inode *inode, struct file *file) @@ -1089,13 +1065,12 @@ acpi_thermal_write_polling(struct file *file, char polling_string[12] = { '\0' }; int seconds = 0; - ACPI_FUNCTION_TRACE("acpi_thermal_write_polling"); if (!tz || (count > sizeof(polling_string) - 1)) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(polling_string, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; polling_string[count] = '\0'; @@ -1103,24 +1078,23 @@ acpi_thermal_write_polling(struct file *file, result = acpi_thermal_set_polling(tz, seconds); if (result) - return_VALUE(result); + return result; acpi_thermal_check(tz); - return_VALUE(count); + return count; } static int acpi_thermal_add_fs(struct acpi_device *device) { struct proc_dir_entry *entry = NULL; - ACPI_FUNCTION_TRACE("acpi_thermal_add_fs"); if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_thermal_dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; acpi_device_dir(device)->owner = THIS_MODULE; } @@ -1128,9 +1102,7 @@ static int acpi_thermal_add_fs(struct acpi_device *device) entry = create_proc_entry(ACPI_THERMAL_FILE_STATE, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_THERMAL_FILE_STATE)); + return -ENODEV; else { entry->proc_fops = &acpi_thermal_state_fops; entry->data = acpi_driver_data(device); @@ -1141,9 +1113,7 @@ static int acpi_thermal_add_fs(struct acpi_device *device) entry = create_proc_entry(ACPI_THERMAL_FILE_TEMPERATURE, S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_THERMAL_FILE_TEMPERATURE)); + return -ENODEV; else { entry->proc_fops = &acpi_thermal_temp_fops; entry->data = acpi_driver_data(device); @@ -1155,9 +1125,7 @@ static int acpi_thermal_add_fs(struct acpi_device *device) S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_THERMAL_FILE_TRIP_POINTS)); + return -ENODEV; else { entry->proc_fops = &acpi_thermal_trip_fops; entry->data = acpi_driver_data(device); @@ -1169,9 +1137,7 @@ static int acpi_thermal_add_fs(struct acpi_device *device) S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_THERMAL_FILE_COOLING_MODE)); + return -ENODEV; else { entry->proc_fops = &acpi_thermal_cooling_fops; entry->data = acpi_driver_data(device); @@ -1183,21 +1149,18 @@ static int acpi_thermal_add_fs(struct acpi_device *device) S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create '%s' fs entry\n", - ACPI_THERMAL_FILE_POLLING_FREQ)); + return -ENODEV; else { entry->proc_fops = &acpi_thermal_polling_fops; entry->data = acpi_driver_data(device); entry->owner = THIS_MODULE; } - return_VALUE(0); + return 0; } static int acpi_thermal_remove_fs(struct acpi_device *device) { - ACPI_FUNCTION_TRACE("acpi_thermal_remove_fs"); if (acpi_device_dir(device)) { remove_proc_entry(ACPI_THERMAL_FILE_POLLING_FREQ, @@ -1214,7 +1177,7 @@ static int acpi_thermal_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -1226,13 +1189,12 @@ static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data) struct acpi_thermal *tz = (struct acpi_thermal *)data; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_thermal_notify"); if (!tz) - return_VOID; + return; if (acpi_bus_get_device(tz->handle, &device)) - return_VOID; + return; switch (event) { case ACPI_THERMAL_NOTIFY_TEMPERATURE: @@ -1254,27 +1216,26 @@ static void acpi_thermal_notify(acpi_handle handle, u32 event, void *data) break; } - return_VOID; + return; } static int acpi_thermal_get_info(struct acpi_thermal *tz) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_thermal_get_info"); if (!tz) - return_VALUE(-EINVAL); + return -EINVAL; /* Get temperature [_TMP] (required) */ result = acpi_thermal_get_temperature(tz); if (result) - return_VALUE(result); + return result; /* Get trip points [_CRT, _PSV, etc.] (required) */ result = acpi_thermal_get_trip_points(tz); if (result) - return_VALUE(result); + return result; /* Set the cooling mode [_SCP] to active cooling (default) */ result = acpi_thermal_set_cooling_mode(tz, ACPI_THERMAL_MODE_ACTIVE); @@ -1314,7 +1275,7 @@ static int acpi_thermal_get_info(struct acpi_thermal *tz) if (!result) tz->flags.devices = 1; - return_VALUE(0); + return 0; } static int acpi_thermal_add(struct acpi_device *device) @@ -1323,14 +1284,13 @@ static int acpi_thermal_add(struct acpi_device *device) acpi_status status = AE_OK; struct acpi_thermal *tz = NULL; - ACPI_FUNCTION_TRACE("acpi_thermal_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; tz = kmalloc(sizeof(struct acpi_thermal), GFP_KERNEL); if (!tz) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(tz, 0, sizeof(struct acpi_thermal)); tz->handle = device->handle; @@ -1355,8 +1315,6 @@ static int acpi_thermal_add(struct acpi_device *device) ACPI_DEVICE_NOTIFY, acpi_thermal_notify, tz); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error installing notify handler\n")); result = -ENODEV; goto end; } @@ -1371,7 +1329,7 @@ static int acpi_thermal_add(struct acpi_device *device) kfree(tz); } - return_VALUE(result); + return result; } static int acpi_thermal_remove(struct acpi_device *device, int type) @@ -1379,10 +1337,9 @@ static int acpi_thermal_remove(struct acpi_device *device, int type) acpi_status status = AE_OK; struct acpi_thermal *tz = NULL; - ACPI_FUNCTION_TRACE("acpi_thermal_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; tz = (struct acpi_thermal *)acpi_driver_data(device); @@ -1398,9 +1355,6 @@ static int acpi_thermal_remove(struct acpi_device *device, int type) status = acpi_remove_notify_handler(tz->handle, ACPI_DEVICE_NOTIFY, acpi_thermal_notify); - if (ACPI_FAILURE(status)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); /* Terminate policy */ if (tz->trips.passive.flags.valid && tz->trips.passive.flags.enabled) { @@ -1416,7 +1370,7 @@ static int acpi_thermal_remove(struct acpi_device *device, int type) acpi_thermal_remove_fs(device); kfree(tz); - return_VALUE(0); + return 0; } static int acpi_thermal_resume(struct acpi_device *device, int state) @@ -1424,7 +1378,7 @@ static int acpi_thermal_resume(struct acpi_device *device, int state) struct acpi_thermal *tz = NULL; if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; tz = (struct acpi_thermal *)acpi_driver_data(device); @@ -1437,31 +1391,29 @@ static int __init acpi_thermal_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_thermal_init"); acpi_thermal_dir = proc_mkdir(ACPI_THERMAL_CLASS, acpi_root_dir); if (!acpi_thermal_dir) - return_VALUE(-ENODEV); + return -ENODEV; acpi_thermal_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_thermal_driver); if (result < 0) { remove_proc_entry(ACPI_THERMAL_CLASS, acpi_root_dir); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } static void __exit acpi_thermal_exit(void) { - ACPI_FUNCTION_TRACE("acpi_thermal_exit"); acpi_bus_unregister_driver(&acpi_thermal_driver); remove_proc_entry(ACPI_THERMAL_CLASS, acpi_root_dir); - return_VOID; + return; } module_init(acpi_thermal_init); diff --git a/drivers/acpi/utilities/utdelete.c b/drivers/acpi/utilities/utdelete.c index 67b9f325c6fa..38ebe1c54330 100644 --- a/drivers/acpi/utilities/utdelete.c +++ b/drivers/acpi/utilities/utdelete.c @@ -155,21 +155,30 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) case ACPI_TYPE_MUTEX: ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, - "***** Mutex %p, Semaphore %p\n", - object, object->mutex.semaphore)); + "***** Mutex %p, OS Mutex %p\n", + object, object->mutex.os_mutex)); - acpi_ex_unlink_mutex(object); - (void)acpi_os_delete_semaphore(object->mutex.semaphore); + if (object->mutex.os_mutex != ACPI_GLOBAL_LOCK) { + acpi_ex_unlink_mutex(object); + acpi_os_delete_mutex(object->mutex.os_mutex); + } else { + /* Global Lock "mutex" is actually a counting semaphore */ + + (void) + acpi_os_delete_semaphore + (acpi_gbl_global_lock_semaphore); + acpi_gbl_global_lock_semaphore = NULL; + } break; case ACPI_TYPE_EVENT: ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, - "***** Event %p, Semaphore %p\n", - object, object->event.semaphore)); + "***** Event %p, OS Semaphore %p\n", + object, object->event.os_semaphore)); - (void)acpi_os_delete_semaphore(object->event.semaphore); - object->event.semaphore = NULL; + (void)acpi_os_delete_semaphore(object->event.os_semaphore); + object->event.os_semaphore = NULL; break; case ACPI_TYPE_METHOD: @@ -177,12 +186,13 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object) ACPI_DEBUG_PRINT((ACPI_DB_ALLOCATIONS, "***** Method %p\n", object)); - /* Delete the method semaphore if it exists */ + /* Delete the method mutex if it exists */ - if (object->method.semaphore) { - (void)acpi_os_delete_semaphore(object->method. - semaphore); - object->method.semaphore = NULL; + if (object->method.mutex) { + acpi_os_delete_mutex(object->method.mutex->mutex. + os_mutex); + acpi_ut_delete_object_desc(object->method.mutex); + object->method.mutex = NULL; } break; diff --git a/drivers/acpi/utilities/utglobal.c b/drivers/acpi/utilities/utglobal.c index e5999c65c0b8..014030af8b50 100644 --- a/drivers/acpi/utilities/utglobal.c +++ b/drivers/acpi/utilities/utglobal.c @@ -794,6 +794,7 @@ void acpi_ut_init_globals(void) /* Global Lock support */ + acpi_gbl_global_lock_semaphore = NULL; acpi_gbl_global_lock_acquired = FALSE; acpi_gbl_global_lock_thread_count = 0; acpi_gbl_global_lock_handle = 0; diff --git a/drivers/acpi/utilities/utmisc.c b/drivers/acpi/utilities/utmisc.c index 5c75d35ad1cd..33268310c738 100644 --- a/drivers/acpi/utilities/utmisc.c +++ b/drivers/acpi/utilities/utmisc.c @@ -41,6 +41,8 @@ * POSSIBILITY OF SUCH DAMAGES. */ +#include <linux/module.h> + #include <acpi/acpi.h> #include <acpi/acnamesp.h> @@ -962,6 +964,7 @@ acpi_ut_exception(char *module_name, acpi_os_vprintf(format, args); acpi_os_printf(" [%X]\n", ACPI_CA_VERSION); } +EXPORT_SYMBOL(acpi_ut_exception); void ACPI_INTERNAL_VAR_XFACE acpi_ut_warning(char *module_name, u32 line_number, char *format, ...) diff --git a/drivers/acpi/utilities/utmutex.c b/drivers/acpi/utilities/utmutex.c index 25eb34369afa..dfc8f30ca892 100644 --- a/drivers/acpi/utilities/utmutex.c +++ b/drivers/acpi/utilities/utmutex.c @@ -82,12 +82,9 @@ acpi_status acpi_ut_mutex_initialize(void) /* Create the spinlocks for use at interrupt level */ - status = acpi_os_create_lock(&acpi_gbl_gpe_lock); - if (ACPI_FAILURE(status)) { - return_ACPI_STATUS(status); - } + spin_lock_init(acpi_gbl_gpe_lock); + spin_lock_init(acpi_gbl_hardware_lock); - status = acpi_os_create_lock(&acpi_gbl_hardware_lock); return_ACPI_STATUS(status); } @@ -146,9 +143,8 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id) } if (!acpi_gbl_mutex_info[mutex_id].mutex) { - status = acpi_os_create_semaphore(1, 1, - &acpi_gbl_mutex_info - [mutex_id].mutex); + status = + acpi_os_create_mutex(&acpi_gbl_mutex_info[mutex_id].mutex); acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED; acpi_gbl_mutex_info[mutex_id].use_count = 0; @@ -171,7 +167,6 @@ static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id) static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id) { - acpi_status status; ACPI_FUNCTION_TRACE_U32(ut_delete_mutex, mutex_id); @@ -179,12 +174,12 @@ static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id) return_ACPI_STATUS(AE_BAD_PARAMETER); } - status = acpi_os_delete_semaphore(acpi_gbl_mutex_info[mutex_id].mutex); + acpi_os_delete_mutex(acpi_gbl_mutex_info[mutex_id].mutex); acpi_gbl_mutex_info[mutex_id].mutex = NULL; acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED; - return_ACPI_STATUS(status); + return_ACPI_STATUS(AE_OK); } /******************************************************************************* @@ -251,8 +246,8 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) "Thread %X attempting to acquire Mutex [%s]\n", this_thread_id, acpi_ut_get_mutex_name(mutex_id))); - status = acpi_os_wait_semaphore(acpi_gbl_mutex_info[mutex_id].mutex, - 1, ACPI_WAIT_FOREVER); + status = acpi_os_acquire_mutex(acpi_gbl_mutex_info[mutex_id].mutex, + ACPI_WAIT_FOREVER); if (ACPI_SUCCESS(status)) { ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n", @@ -284,7 +279,6 @@ acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id) acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) { - acpi_status status; acpi_thread_id this_thread_id; ACPI_FUNCTION_NAME(ut_release_mutex); @@ -340,19 +334,6 @@ acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id) acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED; - status = - acpi_os_signal_semaphore(acpi_gbl_mutex_info[mutex_id].mutex, 1); - - if (ACPI_FAILURE(status)) { - ACPI_EXCEPTION((AE_INFO, status, - "Thread %X could not release Mutex [%X]", - this_thread_id, mutex_id)); - } else { - ACPI_DEBUG_PRINT((ACPI_DB_MUTEX, - "Thread %X released Mutex [%s]\n", - this_thread_id, - acpi_ut_get_mutex_name(mutex_id))); - } - - return (status); + acpi_os_release_mutex(acpi_gbl_mutex_info[mutex_id].mutex); + return (AE_OK); } diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 6b516852ac12..1930e1a75b22 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -58,31 +58,29 @@ acpi_extract_package(union acpi_object *package, u8 *head = NULL; u8 *tail = NULL; - ACPI_FUNCTION_TRACE("acpi_extract_package"); if (!package || (package->type != ACPI_TYPE_PACKAGE) || (package->package.count < 1)) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Invalid 'package' argument\n")); - return_ACPI_STATUS(AE_BAD_PARAMETER); + printk(KERN_WARNING PREFIX "Invalid package argument\n"); + return AE_BAD_PARAMETER; } if (!format || !format->pointer || (format->length < 1)) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Invalid 'format' argument\n")); - return_ACPI_STATUS(AE_BAD_PARAMETER); + printk(KERN_WARNING PREFIX "Invalid format argument\n"); + return AE_BAD_PARAMETER; } if (!buffer) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, "Invalid 'buffer' argument\n")); - return_ACPI_STATUS(AE_BAD_PARAMETER); + printk(KERN_WARNING PREFIX "Invalid buffer argument\n"); + return AE_BAD_PARAMETER; } format_count = (format->length / sizeof(char)) - 1; if (format_count > package->package.count) { - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Format specifies more objects [%d] than exist in package [%d].", - format_count, package->package.count)); - return_ACPI_STATUS(AE_BAD_DATA); + printk(KERN_WARNING PREFIX "Format specifies more objects [%d]" + " than exist in package [%d].\n", + format_count, package->package.count); + return AE_BAD_DATA; } format_string = (char *)format->pointer; @@ -95,7 +93,7 @@ acpi_extract_package(union acpi_object *package, union acpi_object *element = &(package->package.elements[i]); if (!element) { - return_ACPI_STATUS(AE_BAD_DATA); + return AE_BAD_DATA; } switch (element->type) { @@ -113,10 +111,11 @@ acpi_extract_package(union acpi_object *package, tail_offset += sizeof(char *); break; default: - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Invalid package element [%d]: got number, expecing [%c].\n", - i, format_string[i])); - return_ACPI_STATUS(AE_BAD_DATA); + printk(KERN_WARNING PREFIX "Invalid package element" + " [%d]: got number, expecing" + " [%c]\n", + i, format_string[i]); + return AE_BAD_DATA; break; } break; @@ -138,10 +137,11 @@ acpi_extract_package(union acpi_object *package, tail_offset += sizeof(u8 *); break; default: - ACPI_DEBUG_PRINT((ACPI_DB_WARN, - "Invalid package element [%d] got string/buffer, expecing [%c].\n", - i, format_string[i])); - return_ACPI_STATUS(AE_BAD_DATA); + printk(KERN_WARNING PREFIX "Invalid package element" + " [%d] got string/buffer," + " expecing [%c]\n", + i, format_string[i]); + return AE_BAD_DATA; break; } break; @@ -152,7 +152,7 @@ acpi_extract_package(union acpi_object *package, "Found unsupported element at index=%d\n", i)); /* TBD: handle nested packages... */ - return_ACPI_STATUS(AE_SUPPORT); + return AE_SUPPORT; break; } } @@ -162,9 +162,9 @@ acpi_extract_package(union acpi_object *package, */ if (buffer->length < size_required) { buffer->length = size_required; - return_ACPI_STATUS(AE_BUFFER_OVERFLOW); + return AE_BUFFER_OVERFLOW; } else if (buffer->length != size_required || !buffer->pointer) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; } head = buffer->pointer; @@ -179,7 +179,7 @@ acpi_extract_package(union acpi_object *package, union acpi_object *element = &(package->package.elements[i]); if (!element) { - return_ACPI_STATUS(AE_BAD_DATA); + return AE_BAD_DATA; } switch (element->type) { @@ -244,7 +244,7 @@ acpi_extract_package(union acpi_object *package, } } - return_ACPI_STATUS(AE_OK); + return AE_OK; } EXPORT_SYMBOL(acpi_extract_package); @@ -258,14 +258,13 @@ acpi_evaluate_integer(acpi_handle handle, union acpi_object *element; struct acpi_buffer buffer = { 0, NULL }; - ACPI_FUNCTION_TRACE("acpi_evaluate_integer"); if (!data) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; element = kmalloc(sizeof(union acpi_object), GFP_KERNEL); if (!element) - return_ACPI_STATUS(AE_NO_MEMORY); + return AE_NO_MEMORY; memset(element, 0, sizeof(union acpi_object)); buffer.length = sizeof(union acpi_object); @@ -274,13 +273,13 @@ acpi_evaluate_integer(acpi_handle handle, if (ACPI_FAILURE(status)) { acpi_util_eval_error(handle, pathname, status); kfree(element); - return_ACPI_STATUS(status); + return status; } if (element->type != ACPI_TYPE_INTEGER) { acpi_util_eval_error(handle, pathname, AE_BAD_DATA); kfree(element); - return_ACPI_STATUS(AE_BAD_DATA); + return AE_BAD_DATA; } *data = element->integer.value; @@ -288,7 +287,7 @@ acpi_evaluate_integer(acpi_handle handle, ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Return value [%lu]\n", *data)); - return_ACPI_STATUS(AE_OK); + return AE_OK; } EXPORT_SYMBOL(acpi_evaluate_integer); @@ -303,15 +302,14 @@ acpi_evaluate_string(acpi_handle handle, acpi_object *element = NULL; acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; - ACPI_FUNCTION_TRACE("acpi_evaluate_string"); if (!data) - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; status = acpi_evaluate_object(handle, pathname, arguments, &buffer); if (ACPI_FAILURE(status)) { acpi_util_eval_error(handle, pathname, status); - return_ACPI_STATUS(status); + return status; } element = (acpi_object *) buffer.pointer; @@ -320,13 +318,13 @@ acpi_evaluate_string(acpi_handle handle, || (element->type != ACPI_TYPE_BUFFER) || !element->string.length) { acpi_util_eval_error(handle, pathname, AE_BAD_DATA); - return_ACPI_STATUS(AE_BAD_DATA); + return AE_BAD_DATA; } *data = kmalloc(element->string.length + 1, GFP_KERNEL); if (!data) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Memory allocation error\n")); - return_VALUE(-ENOMEM); + printk(KERN_ERR PREFIX "Memory allocation\n"); + return -ENOMEM; } memset(*data, 0, element->string.length + 1); @@ -336,7 +334,7 @@ acpi_evaluate_string(acpi_handle handle, acpi_os_free(buffer.pointer); - return_ACPI_STATUS(AE_OK); + return AE_OK; } #endif @@ -352,10 +350,9 @@ acpi_evaluate_reference(acpi_handle handle, struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; u32 i = 0; - ACPI_FUNCTION_TRACE("acpi_evaluate_reference"); if (!list) { - return_ACPI_STATUS(AE_BAD_PARAMETER); + return AE_BAD_PARAMETER; } /* Evaluate object. */ @@ -367,32 +364,29 @@ acpi_evaluate_reference(acpi_handle handle, package = (union acpi_object *)buffer.pointer; if ((buffer.length == 0) || !package) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "No return object (len %X ptr %p)\n", - (unsigned)buffer.length, package)); + printk(KERN_ERR PREFIX "No return object (len %X ptr %p)\n", + (unsigned)buffer.length, package); status = AE_BAD_DATA; acpi_util_eval_error(handle, pathname, status); goto end; } if (package->type != ACPI_TYPE_PACKAGE) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Expecting a [Package], found type %X\n", - package->type)); + printk(KERN_ERR PREFIX "Expecting a [Package], found type %X\n", + package->type); status = AE_BAD_DATA; acpi_util_eval_error(handle, pathname, status); goto end; } if (!package->package.count) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "[Package] has zero elements (%p)\n", - package)); + printk(KERN_ERR PREFIX "[Package] has zero elements (%p)\n", + package); status = AE_BAD_DATA; acpi_util_eval_error(handle, pathname, status); goto end; } if (package->package.count > ACPI_MAX_HANDLES) { - return_ACPI_STATUS(AE_NO_MEMORY); + return AE_NO_MEMORY; } list->count = package->package.count; @@ -404,9 +398,9 @@ acpi_evaluate_reference(acpi_handle handle, if (element->type != ACPI_TYPE_ANY) { status = AE_BAD_DATA; - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Expecting a [Reference] package element, found type %X\n", - element->type)); + printk(KERN_ERR PREFIX + "Expecting a [Reference] package element, found type %X\n", + element->type); acpi_util_eval_error(handle, pathname, status); break; } @@ -426,7 +420,7 @@ acpi_evaluate_reference(acpi_handle handle, acpi_os_free(buffer.pointer); - return_ACPI_STATUS(status); + return status; } EXPORT_SYMBOL(acpi_evaluate_reference); diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index e7e9a693953a..9feb633087a9 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -272,10 +272,9 @@ static int acpi_video_device_query(struct acpi_video_device *device, unsigned long *state) { int status; - ACPI_FUNCTION_TRACE("acpi_video_device_query"); status = acpi_evaluate_integer(device->handle, "_DGS", NULL, state); - return_VALUE(status); + return status; } static int @@ -284,11 +283,10 @@ acpi_video_device_get_state(struct acpi_video_device *device, { int status; - ACPI_FUNCTION_TRACE("acpi_video_device_get_state"); status = acpi_evaluate_integer(device->handle, "_DCS", NULL, state); - return_VALUE(status); + return status; } static int @@ -299,12 +297,11 @@ acpi_video_device_set_state(struct acpi_video_device *device, int state) struct acpi_object_list args = { 1, &arg0 }; unsigned long ret; - ACPI_FUNCTION_TRACE("acpi_video_device_set_state"); arg0.integer.value = state; status = acpi_evaluate_integer(device->handle, "_DSS", &args, &ret); - return_VALUE(status); + return status; } static int @@ -315,28 +312,27 @@ acpi_video_device_lcd_query_levels(struct acpi_video_device *device, struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL }; union acpi_object *obj; - ACPI_FUNCTION_TRACE("acpi_video_device_lcd_query_levels"); *levels = NULL; status = acpi_evaluate_object(device->handle, "_BCL", NULL, &buffer); if (!ACPI_SUCCESS(status)) - return_VALUE(status); + return status; obj = (union acpi_object *)buffer.pointer; if (!obj || (obj->type != ACPI_TYPE_PACKAGE)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _BCL data\n")); + printk(KERN_ERR PREFIX "Invalid _BCL data\n"); status = -EFAULT; goto err; } *levels = obj; - return_VALUE(0); + return 0; err: kfree(buffer.pointer); - return_VALUE(status); + return status; } static int @@ -346,13 +342,12 @@ acpi_video_device_lcd_set_level(struct acpi_video_device *device, int level) union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; - ACPI_FUNCTION_TRACE("acpi_video_device_lcd_set_level"); arg0.integer.value = level; status = acpi_evaluate_object(device->handle, "_BCM", &args, NULL); printk(KERN_DEBUG "set_level status: %x\n", status); - return_VALUE(status); + return status; } static int @@ -360,11 +355,10 @@ acpi_video_device_lcd_get_level_current(struct acpi_video_device *device, unsigned long *level) { int status; - ACPI_FUNCTION_TRACE("acpi_video_device_lcd_get_level_current"); status = acpi_evaluate_integer(device->handle, "_BQC", NULL, level); - return_VALUE(status); + return status; } static int @@ -377,34 +371,33 @@ acpi_video_device_EDID(struct acpi_video_device *device, union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; - ACPI_FUNCTION_TRACE("acpi_video_device_get_EDID"); *edid = NULL; if (!device) - return_VALUE(-ENODEV); + return -ENODEV; if (length == 128) arg0.integer.value = 1; else if (length == 256) arg0.integer.value = 2; else - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_evaluate_object(device->handle, "_DDC", &args, &buffer); if (ACPI_FAILURE(status)) - return_VALUE(-ENODEV); + return -ENODEV; obj = (union acpi_object *)buffer.pointer; if (obj && obj->type == ACPI_TYPE_BUFFER) *edid = obj; else { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _DDC data\n")); + printk(KERN_ERR PREFIX "Invalid _DDC data\n"); status = -EFAULT; kfree(obj); } - return_VALUE(status); + return status; } /* bus */ @@ -417,7 +410,6 @@ acpi_video_bus_set_POST(struct acpi_video_bus *video, unsigned long option) union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; - ACPI_FUNCTION_TRACE("acpi_video_bus_set_POST"); arg0.integer.value = option; @@ -425,7 +417,7 @@ acpi_video_bus_set_POST(struct acpi_video_bus *video, unsigned long option) if (ACPI_SUCCESS(status)) status = tmp ? (-EINVAL) : (AE_OK); - return_VALUE(status); + return status; } static int @@ -433,11 +425,10 @@ acpi_video_bus_get_POST(struct acpi_video_bus *video, unsigned long *id) { int status; - ACPI_FUNCTION_TRACE("acpi_video_bus_get_POST"); status = acpi_evaluate_integer(video->handle, "_GPD", NULL, id); - return_VALUE(status); + return status; } static int @@ -445,12 +436,11 @@ acpi_video_bus_POST_options(struct acpi_video_bus *video, unsigned long *options) { int status; - ACPI_FUNCTION_TRACE("acpi_video_bus_POST_options"); status = acpi_evaluate_integer(video->handle, "_VPO", NULL, options); *options &= 3; - return_VALUE(status); + return status; } /* @@ -481,7 +471,6 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) union acpi_object arg0 = { ACPI_TYPE_INTEGER }; struct acpi_object_list args = { 1, &arg0 }; - ACPI_FUNCTION_TRACE("acpi_video_bus_DOS"); if (bios_flag < 0 || bios_flag > 3 || lcd_flag < 0 || lcd_flag > 1) { status = -1; @@ -492,7 +481,7 @@ acpi_video_bus_DOS(struct acpi_video_bus *video, int bios_flag, int lcd_flag) acpi_evaluate_object(video->handle, "_DOS", &args, NULL); Failed: - return_VALUE(status); + return status; } /* @@ -514,7 +503,6 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) union acpi_object *obj = NULL; struct acpi_video_device_brightness *br = NULL; - ACPI_FUNCTION_TRACE("acpi_video_device_find_cap"); memset(&device->cap, 0, 4); @@ -560,8 +548,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) o = (union acpi_object *)&obj->package. elements[i]; if (o->type != ACPI_TYPE_INTEGER) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid data\n")); + printk(KERN_ERR PREFIX "Invalid data\n"); continue; } br->levels[count] = (u32) o->integer.value; @@ -583,7 +570,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device) kfree(obj); - return_VOID; + return; } /* @@ -630,10 +617,9 @@ static int acpi_video_bus_check(struct acpi_video_bus *video) { acpi_status status = -ENOENT; - ACPI_FUNCTION_TRACE("acpi_video_bus_check"); if (!video) - return_VALUE(-EINVAL); + return -EINVAL; /* Since there is no HID, CID and so on for VGA driver, we have * to check well known required nodes. @@ -657,7 +643,7 @@ static int acpi_video_bus_check(struct acpi_video_bus *video) status = 0; } - return_VALUE(status); + return status; } /* -------------------------------------------------------------------------- @@ -673,7 +659,6 @@ static int acpi_video_device_info_seq_show(struct seq_file *seq, void *offset) struct acpi_video_device *dev = (struct acpi_video_device *)seq->private; - ACPI_FUNCTION_TRACE("acpi_video_device_info_seq_show"); if (!dev) goto end; @@ -692,7 +677,7 @@ static int acpi_video_device_info_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "known by bios: %s\n", dev->flags.bios ? "yes" : "no"); end: - return_VALUE(0); + return 0; } static int @@ -709,7 +694,6 @@ static int acpi_video_device_state_seq_show(struct seq_file *seq, void *offset) (struct acpi_video_device *)seq->private; unsigned long state; - ACPI_FUNCTION_TRACE("acpi_video_device_state_seq_show"); if (!dev) goto end; @@ -729,7 +713,7 @@ static int acpi_video_device_state_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "<not supported>\n"); end: - return_VALUE(0); + return 0; } static int @@ -750,13 +734,12 @@ acpi_video_device_write_state(struct file *file, char str[12] = { 0 }; u32 state = 0; - ACPI_FUNCTION_TRACE("acpi_video_device_write_state"); if (!dev || count + 1 > sizeof str) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(str, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; str[count] = 0; state = simple_strtoul(str, NULL, 0); @@ -765,9 +748,9 @@ acpi_video_device_write_state(struct file *file, status = acpi_video_device_set_state(dev, state); if (status) - return_VALUE(-EFAULT); + return -EFAULT; - return_VALUE(count); + return count; } static int @@ -777,11 +760,10 @@ acpi_video_device_brightness_seq_show(struct seq_file *seq, void *offset) (struct acpi_video_device *)seq->private; int i; - ACPI_FUNCTION_TRACE("acpi_video_device_brightness_seq_show"); if (!dev || !dev->brightness) { seq_printf(seq, "<not supported>\n"); - return_VALUE(0); + return 0; } seq_printf(seq, "levels: "); @@ -789,7 +771,7 @@ acpi_video_device_brightness_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, " %d", dev->brightness->levels[i]); seq_printf(seq, "\ncurrent: %d\n", dev->brightness->curr); - return_VALUE(0); + return 0; } static int @@ -810,19 +792,18 @@ acpi_video_device_write_brightness(struct file *file, unsigned int level = 0; int i; - ACPI_FUNCTION_TRACE("acpi_video_device_write_brightness"); if (!dev || !dev->brightness || count + 1 > sizeof str) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(str, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; str[count] = 0; level = simple_strtoul(str, NULL, 0); if (level > 100) - return_VALUE(-EFAULT); + return -EFAULT; /* validate though the list of available levels */ for (i = 0; i < dev->brightness->count; i++) @@ -833,7 +814,7 @@ acpi_video_device_write_brightness(struct file *file, break; } - return_VALUE(count); + return count; } static int acpi_video_device_EDID_seq_show(struct seq_file *seq, void *offset) @@ -844,7 +825,6 @@ static int acpi_video_device_EDID_seq_show(struct seq_file *seq, void *offset) int i; union acpi_object *edid = NULL; - ACPI_FUNCTION_TRACE("acpi_video_device_EDID_seq_show"); if (!dev) goto out; @@ -869,7 +849,7 @@ static int acpi_video_device_EDID_seq_show(struct seq_file *seq, void *offset) else kfree(edid); - return_VALUE(0); + return 0; } static int @@ -884,28 +864,26 @@ static int acpi_video_device_add_fs(struct acpi_device *device) struct proc_dir_entry *entry = NULL; struct acpi_video_device *vid_dev; - ACPI_FUNCTION_TRACE("acpi_video_device_add_fs"); if (!device) - return_VALUE(-ENODEV); + return -ENODEV; vid_dev = (struct acpi_video_device *)acpi_driver_data(device); if (!vid_dev) - return_VALUE(-ENODEV); + return -ENODEV; if (!acpi_device_dir(device)) { acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), vid_dev->video->dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; acpi_device_dir(device)->owner = THIS_MODULE; } /* 'info' [R] */ entry = create_proc_entry("info", S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'info' fs entry\n")); + return -ENODEV; else { entry->proc_fops = &acpi_video_device_info_fops; entry->data = acpi_driver_data(device); @@ -917,8 +895,7 @@ static int acpi_video_device_add_fs(struct acpi_device *device) create_proc_entry("state", S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'state' fs entry\n")); + return -ENODEV; else { acpi_video_device_state_fops.write = acpi_video_device_write_state; entry->proc_fops = &acpi_video_device_state_fops; @@ -931,8 +908,7 @@ static int acpi_video_device_add_fs(struct acpi_device *device) create_proc_entry("brightness", S_IFREG | S_IRUGO | S_IWUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'brightness' fs entry\n")); + return -ENODEV; else { acpi_video_device_brightness_fops.write = acpi_video_device_write_brightness; entry->proc_fops = &acpi_video_device_brightness_fops; @@ -943,25 +919,23 @@ static int acpi_video_device_add_fs(struct acpi_device *device) /* 'EDID' [R] */ entry = create_proc_entry("EDID", S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'brightness' fs entry\n")); + return -ENODEV; else { entry->proc_fops = &acpi_video_device_EDID_fops; entry->data = acpi_driver_data(device); entry->owner = THIS_MODULE; } - return_VALUE(0); + return 0; } static int acpi_video_device_remove_fs(struct acpi_device *device) { struct acpi_video_device *vid_dev; - ACPI_FUNCTION_TRACE("acpi_video_device_remove_fs"); vid_dev = (struct acpi_video_device *)acpi_driver_data(device); if (!vid_dev || !vid_dev->video || !vid_dev->video->dir) - return_VALUE(-ENODEV); + return -ENODEV; if (acpi_device_dir(device)) { remove_proc_entry("info", acpi_device_dir(device)); @@ -972,7 +946,7 @@ static int acpi_video_device_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* video bus */ @@ -980,7 +954,6 @@ static int acpi_video_bus_info_seq_show(struct seq_file *seq, void *offset) { struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; - ACPI_FUNCTION_TRACE("acpi_video_bus_info_seq_show"); if (!video) goto end; @@ -993,7 +966,7 @@ static int acpi_video_bus_info_seq_show(struct seq_file *seq, void *offset) video->flags.post ? "yes" : "no"); end: - return_VALUE(0); + return 0; } static int acpi_video_bus_info_open_fs(struct inode *inode, struct file *file) @@ -1006,7 +979,6 @@ static int acpi_video_bus_ROM_seq_show(struct seq_file *seq, void *offset) { struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; - ACPI_FUNCTION_TRACE("acpi_video_bus_ROM_seq_show"); if (!video) goto end; @@ -1015,7 +987,7 @@ static int acpi_video_bus_ROM_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "<TODO>\n"); end: - return_VALUE(0); + return 0; } static int acpi_video_bus_ROM_open_fs(struct inode *inode, struct file *file) @@ -1029,7 +1001,6 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset) unsigned long options; int status; - ACPI_FUNCTION_TRACE("acpi_video_bus_POST_info_seq_show"); if (!video) goto end; @@ -1052,7 +1023,7 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset) } else seq_printf(seq, "<not supported>\n"); end: - return_VALUE(0); + return 0; } static int @@ -1068,7 +1039,6 @@ static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset) int status; unsigned long id; - ACPI_FUNCTION_TRACE("acpi_video_bus_POST_seq_show"); if (!video) goto end; @@ -1081,18 +1051,17 @@ static int acpi_video_bus_POST_seq_show(struct seq_file *seq, void *offset) seq_printf(seq, "device posted is <%s>\n", device_decode[id & 3]); end: - return_VALUE(0); + return 0; } static int acpi_video_bus_DOS_seq_show(struct seq_file *seq, void *offset) { struct acpi_video_bus *video = (struct acpi_video_bus *)seq->private; - ACPI_FUNCTION_TRACE("acpi_video_bus_DOS_seq_show"); seq_printf(seq, "DOS setting: <%d>\n", video->dos_setting); - return_VALUE(0); + return 0; } static int acpi_video_bus_POST_open_fs(struct inode *inode, struct file *file) @@ -1117,22 +1086,21 @@ acpi_video_bus_write_POST(struct file *file, char str[12] = { 0 }; unsigned long opt, options; - ACPI_FUNCTION_TRACE("acpi_video_bus_write_POST"); if (!video || count + 1 > sizeof str) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_video_bus_POST_options(video, &options); if (!ACPI_SUCCESS(status)) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(str, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; str[count] = 0; opt = strtoul(str, NULL, 0); if (opt > 3) - return_VALUE(-EFAULT); + return -EFAULT; /* just in case an OEM 'forget' the motherboard... */ options |= 1; @@ -1140,11 +1108,11 @@ acpi_video_bus_write_POST(struct file *file, if (options & (1ul << opt)) { status = acpi_video_bus_set_POST(video, opt); if (!ACPI_SUCCESS(status)) - return_VALUE(-EFAULT); + return -EFAULT; } - return_VALUE(count); + return count; } static ssize_t @@ -1158,25 +1126,24 @@ acpi_video_bus_write_DOS(struct file *file, char str[12] = { 0 }; unsigned long opt; - ACPI_FUNCTION_TRACE("acpi_video_bus_write_DOS"); if (!video || count + 1 > sizeof str) - return_VALUE(-EINVAL); + return -EINVAL; if (copy_from_user(str, buffer, count)) - return_VALUE(-EFAULT); + return -EFAULT; str[count] = 0; opt = strtoul(str, NULL, 0); if (opt > 7) - return_VALUE(-EFAULT); + return -EFAULT; status = acpi_video_bus_DOS(video, opt & 0x3, (opt & 0x4) >> 2); if (!ACPI_SUCCESS(status)) - return_VALUE(-EFAULT); + return -EFAULT; - return_VALUE(count); + return count; } static int acpi_video_bus_add_fs(struct acpi_device *device) @@ -1184,7 +1151,6 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) struct proc_dir_entry *entry = NULL; struct acpi_video_bus *video; - ACPI_FUNCTION_TRACE("acpi_video_bus_add_fs"); video = (struct acpi_video_bus *)acpi_driver_data(device); @@ -1192,7 +1158,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device), acpi_video_dir); if (!acpi_device_dir(device)) - return_VALUE(-ENODEV); + return -ENODEV; video->dir = acpi_device_dir(device); acpi_device_dir(device)->owner = THIS_MODULE; } @@ -1200,8 +1166,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) /* 'info' [R] */ entry = create_proc_entry("info", S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'info' fs entry\n")); + return -ENODEV; else { entry->proc_fops = &acpi_video_bus_info_fops; entry->data = acpi_driver_data(device); @@ -1211,8 +1176,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) /* 'ROM' [R] */ entry = create_proc_entry("ROM", S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'ROM' fs entry\n")); + return -ENODEV; else { entry->proc_fops = &acpi_video_bus_ROM_fops; entry->data = acpi_driver_data(device); @@ -1223,8 +1187,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) entry = create_proc_entry("POST_info", S_IRUGO, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'POST_info' fs entry\n")); + return -ENODEV; else { entry->proc_fops = &acpi_video_bus_POST_info_fops; entry->data = acpi_driver_data(device); @@ -1236,8 +1199,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) create_proc_entry("POST", S_IFREG | S_IRUGO | S_IRUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'POST' fs entry\n")); + return -ENODEV; else { acpi_video_bus_POST_fops.write = acpi_video_bus_write_POST; entry->proc_fops = &acpi_video_bus_POST_fops; @@ -1250,8 +1212,7 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) create_proc_entry("DOS", S_IFREG | S_IRUGO | S_IRUSR, acpi_device_dir(device)); if (!entry) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Unable to create 'DOS' fs entry\n")); + return -ENODEV; else { acpi_video_bus_DOS_fops.write = acpi_video_bus_write_DOS; entry->proc_fops = &acpi_video_bus_DOS_fops; @@ -1259,14 +1220,13 @@ static int acpi_video_bus_add_fs(struct acpi_device *device) entry->owner = THIS_MODULE; } - return_VALUE(0); + return 0; } static int acpi_video_bus_remove_fs(struct acpi_device *device) { struct acpi_video_bus *video; - ACPI_FUNCTION_TRACE("acpi_video_bus_remove_fs"); video = (struct acpi_video_bus *)acpi_driver_data(device); @@ -1280,7 +1240,7 @@ static int acpi_video_bus_remove_fs(struct acpi_device *device) acpi_device_dir(device) = NULL; } - return_VALUE(0); + return 0; } /* -------------------------------------------------------------------------- @@ -1297,10 +1257,9 @@ acpi_video_bus_get_one_device(struct acpi_device *device, int status; struct acpi_video_device *data; - ACPI_FUNCTION_TRACE("acpi_video_bus_get_one_device"); if (!device || !video) - return_VALUE(-EINVAL); + return -EINVAL; status = acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id); @@ -1308,7 +1267,7 @@ acpi_video_bus_get_one_device(struct acpi_device *device, data = kmalloc(sizeof(struct acpi_video_device), GFP_KERNEL); if (!data) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(data, 0, sizeof(struct acpi_video_device)); @@ -1359,10 +1318,10 @@ acpi_video_bus_get_one_device(struct acpi_device *device, acpi_video_device_add_fs(device); - return_VALUE(0); + return 0; } - return_VALUE(-ENOENT); + return -ENOENT; } /* @@ -1405,7 +1364,6 @@ acpi_video_device_bind(struct acpi_video_bus *video, struct acpi_video_device *device) { int i; - ACPI_FUNCTION_TRACE("acpi_video_device_bind"); #define IDS_VAL(i) video->attached_array[i].value.int_val #define IDS_BIND(i) video->attached_array[i].bind_info @@ -1442,17 +1400,16 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) union acpi_object *dod = NULL; union acpi_object *obj; - ACPI_FUNCTION_TRACE("acpi_video_device_enumerate"); status = acpi_evaluate_object(video->handle, "_DOD", NULL, &buffer); if (!ACPI_SUCCESS(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Error evaluating _DOD\n")); - return_VALUE(status); + ACPI_EXCEPTION((AE_INFO, status, "Evaluating _DOD")); + return status; } dod = (union acpi_object *)buffer.pointer; if (!dod || (dod->type != ACPI_TYPE_PACKAGE)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "Invalid _DOD data\n")); + ACPI_EXCEPTION((AE_INFO, status, "Invalid _DOD data")); status = -EFAULT; goto out; } @@ -1476,8 +1433,7 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) obj = (union acpi_object *)&dod->package.elements[i]; if (obj->type != ACPI_TYPE_INTEGER) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Invalid _DOD data\n")); + printk(KERN_ERR PREFIX "Invalid _DOD data\n"); active_device_list[i].value.int_val = ACPI_VIDEO_HEAD_INVALID; } @@ -1495,7 +1451,7 @@ static int acpi_video_device_enumerate(struct acpi_video_bus *video) video->attached_count = count; out: acpi_os_free(buffer.pointer); - return_VALUE(status); + return status; } /* @@ -1520,7 +1476,6 @@ static int acpi_video_switch_output(struct acpi_video_bus *video, int event) unsigned long state; int status = 0; - ACPI_FUNCTION_TRACE("acpi_video_switch_output"); list_for_each_safe(node, next, &video->video_device_list) { dev = container_of(node, struct acpi_video_device, entry); @@ -1551,7 +1506,7 @@ static int acpi_video_switch_output(struct acpi_video_bus *video, int event) break; } - return_VALUE(status); + return status; } static int @@ -1578,7 +1533,6 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video, int status = 0; struct list_head *node, *next; - ACPI_FUNCTION_TRACE("acpi_video_get_devices"); acpi_video_device_enumerate(video); @@ -1591,13 +1545,12 @@ acpi_video_bus_get_devices(struct acpi_video_bus *video, status = acpi_video_bus_get_one_device(dev, video); if (ACPI_FAILURE(status)) { - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Cant attach device\n")); + ACPI_EXCEPTION((AE_INFO, status, "Cant attach device")); continue; } } - return_VALUE(status); + return status; } static int acpi_video_bus_put_one_device(struct acpi_video_device *device) @@ -1605,10 +1558,9 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device) acpi_status status; struct acpi_video_bus *video; - ACPI_FUNCTION_TRACE("acpi_video_bus_put_one_device"); if (!device || !device->video) - return_VALUE(-ENOENT); + return -ENOENT; video = device->video; @@ -1620,11 +1572,8 @@ static int acpi_video_bus_put_one_device(struct acpi_video_device *device) status = acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY, acpi_video_device_notify); - if (ACPI_FAILURE(status)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); - return_VALUE(0); + return 0; } static int acpi_video_bus_put_devices(struct acpi_video_bus *video) @@ -1632,7 +1581,6 @@ static int acpi_video_bus_put_devices(struct acpi_video_bus *video) int status; struct list_head *node, *next; - ACPI_FUNCTION_TRACE("acpi_video_bus_put_devices"); list_for_each_safe(node, next, &video->video_device_list) { struct acpi_video_device *data = @@ -1651,7 +1599,7 @@ static int acpi_video_bus_put_devices(struct acpi_video_bus *video) kfree(data); } - return_VALUE(0); + return 0; } /* acpi_video interface */ @@ -1671,14 +1619,13 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data) struct acpi_video_bus *video = (struct acpi_video_bus *)data; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_video_bus_notify"); printk("video bus notify\n"); if (!video) - return_VOID; + return; if (acpi_bus_get_device(handle, &device)) - return_VOID; + return; switch (event) { case ACPI_VIDEO_NOTIFY_SWITCH: /* User request that a switch occur, @@ -1707,7 +1654,7 @@ static void acpi_video_bus_notify(acpi_handle handle, u32 event, void *data) break; } - return_VOID; + return; } static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data) @@ -1716,14 +1663,13 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data) (struct acpi_video_device *)data; struct acpi_device *device = NULL; - ACPI_FUNCTION_TRACE("acpi_video_device_notify"); printk("video device notify\n"); if (!video_device) - return_VOID; + return; if (acpi_bus_get_device(handle, &device)) - return_VOID; + return; switch (event) { case ACPI_VIDEO_NOTIFY_SWITCH: /* change in status (cycle output device) */ @@ -1743,7 +1689,7 @@ static void acpi_video_device_notify(acpi_handle handle, u32 event, void *data) "Unsupported event [0x%x]\n", event)); break; } - return_VOID; + return; } static int acpi_video_bus_add(struct acpi_device *device) @@ -1752,14 +1698,13 @@ static int acpi_video_bus_add(struct acpi_device *device) acpi_status status = 0; struct acpi_video_bus *video = NULL; - ACPI_FUNCTION_TRACE("acpi_video_bus_add"); if (!device) - return_VALUE(-EINVAL); + return -EINVAL; video = kmalloc(sizeof(struct acpi_video_bus), GFP_KERNEL); if (!video) - return_VALUE(-ENOMEM); + return -ENOMEM; memset(video, 0, sizeof(struct acpi_video_bus)); video->handle = device->handle; @@ -1806,7 +1751,7 @@ static int acpi_video_bus_add(struct acpi_device *device) if (result) kfree(video); - return_VALUE(result); + return result; } static int acpi_video_bus_remove(struct acpi_device *device, int type) @@ -1814,10 +1759,9 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type) acpi_status status = 0; struct acpi_video_bus *video = NULL; - ACPI_FUNCTION_TRACE("acpi_video_bus_remove"); if (!device || !acpi_driver_data(device)) - return_VALUE(-EINVAL); + return -EINVAL; video = (struct acpi_video_bus *)acpi_driver_data(device); @@ -1826,9 +1770,6 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type) status = acpi_remove_notify_handler(video->handle, ACPI_DEVICE_NOTIFY, acpi_video_bus_notify); - if (ACPI_FAILURE(status)) - ACPI_DEBUG_PRINT((ACPI_DB_ERROR, - "Error removing notify handler\n")); acpi_video_bus_put_devices(video); acpi_video_bus_remove_fs(device); @@ -1836,7 +1777,7 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type) kfree(video->attached_array); kfree(video); - return_VALUE(0); + return 0; } static int @@ -1846,10 +1787,9 @@ acpi_video_bus_match(struct acpi_device *device, struct acpi_driver *driver) acpi_handle h_dummy2; acpi_handle h_dummy3; - ACPI_FUNCTION_TRACE("acpi_video_bus_match"); if (!device || !driver) - return_VALUE(-EINVAL); + return -EINVAL; /* Since there is no HID, CID for ACPI Video drivers, we have * to check well known required nodes for each feature we support. @@ -1858,26 +1798,25 @@ acpi_video_bus_match(struct acpi_device *device, struct acpi_driver *driver) /* Does this device able to support video switching ? */ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy1)) && ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy2))) - return_VALUE(0); + return 0; /* Does this device able to retrieve a video ROM ? */ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy1))) - return_VALUE(0); + return 0; /* Does this device able to configure which video head to be POSTed ? */ if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy1)) && ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy2)) && ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy3))) - return_VALUE(0); + return 0; - return_VALUE(-ENODEV); + return -ENODEV; } static int __init acpi_video_init(void) { int result = 0; - ACPI_FUNCTION_TRACE("acpi_video_init"); /* acpi_dbg_level = 0xFFFFFFFF; @@ -1886,27 +1825,26 @@ static int __init acpi_video_init(void) acpi_video_dir = proc_mkdir(ACPI_VIDEO_CLASS, acpi_root_dir); if (!acpi_video_dir) - return_VALUE(-ENODEV); + return -ENODEV; acpi_video_dir->owner = THIS_MODULE; result = acpi_bus_register_driver(&acpi_video_bus); if (result < 0) { remove_proc_entry(ACPI_VIDEO_CLASS, acpi_root_dir); - return_VALUE(-ENODEV); + return -ENODEV; } - return_VALUE(0); + return 0; } static void __exit acpi_video_exit(void) { - ACPI_FUNCTION_TRACE("acpi_video_exit"); acpi_bus_unregister_driver(&acpi_video_bus); remove_proc_entry(ACPI_VIDEO_CLASS, acpi_root_dir); - return_VOID; + return; } module_init(acpi_video_init); diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile index 421cfffb1756..34a1891191fd 100644 --- a/drivers/pci/hotplug/Makefile +++ b/drivers/pci/hotplug/Makefile @@ -40,8 +40,7 @@ ibmphp-objs := ibmphp_core.o \ ibmphp_hpc.o acpiphp-objs := acpiphp_core.o \ - acpiphp_glue.o \ - acpiphp_dock.o + acpiphp_glue.o rpaphp-objs := rpaphp_core.o \ rpaphp_pci.o \ diff --git a/drivers/pci/hotplug/acpiphp.h b/drivers/pci/hotplug/acpiphp.h index 17a93f890dba..be104eced34c 100644 --- a/drivers/pci/hotplug/acpiphp.h +++ b/drivers/pci/hotplug/acpiphp.h @@ -130,7 +130,7 @@ struct acpiphp_func { struct list_head sibling; struct pci_dev *pci_dev; - + struct notifier_block nb; acpi_handle handle; u8 function; /* pci function# */ @@ -151,24 +151,6 @@ struct acpiphp_attention_info }; -struct dependent_device { - struct list_head device_list; - struct list_head pci_list; - acpi_handle handle; - struct acpiphp_func *func; -}; - - -struct acpiphp_dock_station { - acpi_handle handle; - u32 last_dock_time; - u32 flags; - struct acpiphp_func *dock_bridge; - struct list_head dependent_devices; - struct list_head pci_dependent_devices; -}; - - /* PCI bus bridge HID */ #define ACPI_PCI_HOST_HID "PNP0A03" @@ -207,11 +189,6 @@ struct acpiphp_dock_station { #define FUNC_HAS_PS2 (0x00000040) #define FUNC_HAS_PS3 (0x00000080) #define FUNC_HAS_DCK (0x00000100) -#define FUNC_IS_DD (0x00000200) - -/* dock station flags */ -#define DOCK_DOCKING (0x00000001) -#define DOCK_HAS_BRIDGE (0x00000002) /* function prototypes */ @@ -226,7 +203,6 @@ extern int acpiphp_glue_init (void); extern void acpiphp_glue_exit (void); extern int acpiphp_get_num_slots (void); typedef int (*acpiphp_callback)(struct acpiphp_slot *slot, void *data); -void handle_hotplug_event_func(acpi_handle, u32, void*); extern int acpiphp_enable_slot (struct acpiphp_slot *slot); extern int acpiphp_disable_slot (struct acpiphp_slot *slot); @@ -236,16 +212,6 @@ extern u8 acpiphp_get_latch_status (struct acpiphp_slot *slot); extern u8 acpiphp_get_adapter_status (struct acpiphp_slot *slot); extern u32 acpiphp_get_address (struct acpiphp_slot *slot); -/* acpiphp_dock.c */ -extern int find_dock_station(void); -extern void remove_dock_station(void); -extern void add_dependent_device(struct dependent_device *new_dd); -extern void add_pci_dependent_device(struct dependent_device *new_dd); -extern struct dependent_device *get_dependent_device(acpi_handle handle); -extern int is_dependent_device(acpi_handle handle); -extern int detect_dependent_devices(acpi_handle *bridge_handle); -extern struct dependent_device *alloc_dependent_device(acpi_handle handle); - /* variables */ extern int acpiphp_debug; diff --git a/drivers/pci/hotplug/acpiphp_core.c b/drivers/pci/hotplug/acpiphp_core.c index 4f1b0da8e47e..34de5697983d 100644 --- a/drivers/pci/hotplug/acpiphp_core.c +++ b/drivers/pci/hotplug/acpiphp_core.c @@ -416,27 +416,12 @@ void acpiphp_unregister_hotplug_slot(struct acpiphp_slot *acpiphp_slot) static int __init acpiphp_init(void) { - int retval; - int docking_station; - info(DRIVER_DESC " version: " DRIVER_VERSION "\n"); acpiphp_debug = debug; - docking_station = find_dock_station(); - /* read all the ACPI info from the system */ - retval = init_acpi(); - - /* if we have found a docking station, we should - * go ahead and load even if init_acpi has found - * no slots. This handles the case when the _DCK - * method not defined under the actual dock bridge - */ - if (docking_station) - return 0; - else - return retval; + return init_acpi(); } @@ -444,8 +429,6 @@ static void __exit acpiphp_exit(void) { /* deallocate internal data structures etc. */ acpiphp_glue_exit(); - - remove_dock_station(); } module_init(acpiphp_init); diff --git a/drivers/pci/hotplug/acpiphp_dock.c b/drivers/pci/hotplug/acpiphp_dock.c deleted file mode 100644 index 4f1aaf128312..000000000000 --- a/drivers/pci/hotplug/acpiphp_dock.c +++ /dev/null @@ -1,438 +0,0 @@ -/* - * ACPI PCI HotPlug dock functions to ACPI CA subsystem - * - * Copyright (C) 2006 Kristen Carlson Accardi (kristen.c.accardi@intel.com) - * Copyright (C) 2006 Intel Corporation - * - * All rights reserved. - * - * 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, GOOD TITLE or - * NON INFRINGEMENT. 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., 675 Mass Ave, Cambridge, MA 02139, USA. - * - * Send feedback to <kristen.c.accardi@intel.com> - * - */ -#include <linux/init.h> -#include <linux/module.h> - -#include <linux/kernel.h> -#include <linux/pci.h> -#include <linux/smp_lock.h> -#include <linux/mutex.h> - -#include "../pci.h" -#include "pci_hotplug.h" -#include "acpiphp.h" - -static struct acpiphp_dock_station *ds; -#define MY_NAME "acpiphp_dock" - - -int is_dependent_device(acpi_handle handle) -{ - return (get_dependent_device(handle) ? 1 : 0); -} - - -static acpi_status -find_dependent_device(acpi_handle handle, u32 lvl, void *context, void **rv) -{ - int *count = (int *)context; - - if (is_dependent_device(handle)) { - (*count)++; - return AE_CTRL_TERMINATE; - } else { - return AE_OK; - } -} - - - - -void add_dependent_device(struct dependent_device *new_dd) -{ - list_add_tail(&new_dd->device_list, &ds->dependent_devices); -} - - -void add_pci_dependent_device(struct dependent_device *new_dd) -{ - list_add_tail(&new_dd->pci_list, &ds->pci_dependent_devices); -} - - - -struct dependent_device * get_dependent_device(acpi_handle handle) -{ - struct dependent_device *dd; - - if (!ds) - return NULL; - - list_for_each_entry(dd, &ds->dependent_devices, device_list) { - if (handle == dd->handle) - return dd; - } - return NULL; -} - - - -struct dependent_device *alloc_dependent_device(acpi_handle handle) -{ - struct dependent_device *dd; - - dd = kzalloc(sizeof(*dd), GFP_KERNEL); - if (dd) { - INIT_LIST_HEAD(&dd->pci_list); - INIT_LIST_HEAD(&dd->device_list); - dd->handle = handle; - } - return dd; -} - - - -static int is_dock(acpi_handle handle) -{ - acpi_status status; - acpi_handle tmp; - - status = acpi_get_handle(handle, "_DCK", &tmp); - if (ACPI_FAILURE(status)) { - return 0; - } - return 1; -} - - - -static int dock_present(void) -{ - unsigned long sta; - acpi_status status; - - if (ds) { - status = acpi_evaluate_integer(ds->handle, "_STA", NULL, &sta); - if (ACPI_SUCCESS(status) && sta) - return 1; - } - return 0; -} - - - -static void eject_dock(void) -{ - struct acpi_object_list arg_list; - union acpi_object arg; - - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = 1; - - if (ACPI_FAILURE(acpi_evaluate_object(ds->handle, "_EJ0", - &arg_list, NULL)) || dock_present()) - warn("%s: failed to eject dock!\n", __FUNCTION__); - - return; -} - - - - -static acpi_status handle_dock(int dock) -{ - acpi_status status; - struct acpi_object_list arg_list; - union acpi_object arg; - struct acpi_buffer buffer = {ACPI_ALLOCATE_BUFFER, NULL}; - - dbg("%s: %s\n", __FUNCTION__, dock ? "docking" : "undocking"); - - /* _DCK method has one argument */ - arg_list.count = 1; - arg_list.pointer = &arg; - arg.type = ACPI_TYPE_INTEGER; - arg.integer.value = dock; - status = acpi_evaluate_object(ds->handle, "_DCK", - &arg_list, &buffer); - if (ACPI_FAILURE(status)) - err("%s: failed to execute _DCK\n", __FUNCTION__); - acpi_os_free(buffer.pointer); - - return status; -} - - - -static inline void dock(void) -{ - handle_dock(1); -} - - - -static inline void undock(void) -{ - handle_dock(0); -} - - - -/* - * the _DCK method can do funny things... and sometimes not - * hah-hah funny. - * - * TBD - figure out a way to only call fixups for - * systems that require them. - */ -static void post_dock_fixups(void) -{ - struct pci_bus *bus; - u32 buses; - struct dependent_device *dd; - - list_for_each_entry(dd, &ds->pci_dependent_devices, pci_list) { - bus = dd->func->slot->bridge->pci_bus; - - /* fixup bad _DCK function that rewrites - * secondary bridge on slot - */ - pci_read_config_dword(bus->self, - PCI_PRIMARY_BUS, - &buses); - - if (((buses >> 8) & 0xff) != bus->secondary) { - buses = (buses & 0xff000000) - | ((unsigned int)(bus->primary) << 0) - | ((unsigned int)(bus->secondary) << 8) - | ((unsigned int)(bus->subordinate) << 16); - pci_write_config_dword(bus->self, - PCI_PRIMARY_BUS, - buses); - } - } -} - - - -static void hotplug_pci(u32 type) -{ - struct dependent_device *dd; - - list_for_each_entry(dd, &ds->pci_dependent_devices, pci_list) - handle_hotplug_event_func(dd->handle, type, dd->func); -} - - - -static inline void begin_dock(void) -{ - ds->flags |= DOCK_DOCKING; -} - - -static inline void complete_dock(void) -{ - ds->flags &= ~(DOCK_DOCKING); - ds->last_dock_time = jiffies; -} - - -static int dock_in_progress(void) -{ - if (ds->flags & DOCK_DOCKING || - ds->last_dock_time == jiffies) { - dbg("dock in progress\n"); - return 1; - } - return 0; -} - - - -static void -handle_hotplug_event_dock(acpi_handle handle, u32 type, void *context) -{ - dbg("%s: enter\n", __FUNCTION__); - - switch (type) { - case ACPI_NOTIFY_BUS_CHECK: - dbg("BUS Check\n"); - if (!dock_in_progress() && dock_present()) { - begin_dock(); - dock(); - if (!dock_present()) { - err("Unable to dock!\n"); - break; - } - post_dock_fixups(); - hotplug_pci(type); - complete_dock(); - } - break; - case ACPI_NOTIFY_EJECT_REQUEST: - dbg("EJECT request\n"); - if (!dock_in_progress() && dock_present()) { - hotplug_pci(type); - undock(); - eject_dock(); - if (dock_present()) - err("Unable to undock!\n"); - } - break; - } -} - - - - -static acpi_status -find_dock_ejd(acpi_handle handle, u32 lvl, void *context, void **rv) -{ - acpi_status status; - acpi_handle tmp; - acpi_handle dck_handle = (acpi_handle) context; - char objname[64]; - struct acpi_buffer buffer = { .length = sizeof(objname), - .pointer = objname }; - struct acpi_buffer ejd_buffer = {ACPI_ALLOCATE_BUFFER, NULL}; - union acpi_object *ejd_obj; - - status = acpi_get_handle(handle, "_EJD", &tmp); - if (ACPI_FAILURE(status)) - return AE_OK; - - /* make sure we are dependent on the dock device, - * by executing the _EJD method, then getting a handle - * to the device referenced by that name. If that - * device handle is the same handle as the dock station - * handle, then we are a device dependent on the dock station - */ - acpi_get_name(dck_handle, ACPI_FULL_PATHNAME, &buffer); - status = acpi_evaluate_object(handle, "_EJD", NULL, &ejd_buffer); - if (ACPI_FAILURE(status)) { - err("Unable to execute _EJD!\n"); - goto find_ejd_out; - } - ejd_obj = ejd_buffer.pointer; - status = acpi_get_handle(NULL, ejd_obj->string.pointer, &tmp); - if (ACPI_FAILURE(status)) - goto find_ejd_out; - - if (tmp == dck_handle) { - struct dependent_device *dd; - dbg("%s: found device dependent on dock\n", __FUNCTION__); - dd = alloc_dependent_device(handle); - if (!dd) { - err("Can't allocate memory for dependent device!\n"); - goto find_ejd_out; - } - add_dependent_device(dd); - } - -find_ejd_out: - acpi_os_free(ejd_buffer.pointer); - return AE_OK; -} - - - -int detect_dependent_devices(acpi_handle *bridge_handle) -{ - acpi_status status; - int count; - - count = 0; - - status = acpi_walk_namespace(ACPI_TYPE_DEVICE, bridge_handle, - (u32)1, find_dependent_device, - (void *)&count, NULL); - - return count; -} - - - - - -static acpi_status -find_dock(acpi_handle handle, u32 lvl, void *context, void **rv) -{ - int *count = (int *)context; - - if (is_dock(handle)) { - dbg("%s: found dock\n", __FUNCTION__); - ds = kzalloc(sizeof(*ds), GFP_KERNEL); - ds->handle = handle; - INIT_LIST_HEAD(&ds->dependent_devices); - INIT_LIST_HEAD(&ds->pci_dependent_devices); - - /* look for devices dependent on dock station */ - acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, find_dock_ejd, handle, NULL); - - acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY, - handle_hotplug_event_dock, ds); - (*count)++; - } - - return AE_OK; -} - - - - -int find_dock_station(void) -{ - int num = 0; - - ds = NULL; - - /* start from the root object, because some laptops define - * _DCK methods outside the scope of PCI (IBM x-series laptop) - */ - acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT, - ACPI_UINT32_MAX, find_dock, &num, NULL); - - return num; -} - - - -void remove_dock_station(void) -{ - struct dependent_device *dd, *tmp; - if (ds) { - if (ACPI_FAILURE(acpi_remove_notify_handler(ds->handle, - ACPI_SYSTEM_NOTIFY, handle_hotplug_event_dock))) - err("failed to remove dock notify handler\n"); - - /* free all dependent devices */ - list_for_each_entry_safe(dd, tmp, &ds->dependent_devices, - device_list) - kfree(dd); - - /* no need to touch the pci_dependent_device list, - * cause all memory was freed above - */ - kfree(ds); - } -} - - diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index d370f999782e..ef95d12fb32c 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -59,6 +59,7 @@ static LIST_HEAD(bridge_list); static void handle_hotplug_event_bridge (acpi_handle, u32, void *); static void acpiphp_sanitize_bus(struct pci_bus *bus); static void acpiphp_set_hpp_values(acpi_handle handle, struct pci_bus *bus); +static void handle_hotplug_event_func(acpi_handle handle, u32 type, void *context); /* @@ -116,6 +117,59 @@ is_ejectable_slot(acpi_handle handle, u32 lvl, void *context, void **rv) } } +/* callback routine to check for the existance of a pci dock device */ +static acpi_status +is_pci_dock_device(acpi_handle handle, u32 lvl, void *context, void **rv) +{ + int *count = (int *)context; + + if (is_dock_device(handle)) { + (*count)++; + return AE_CTRL_TERMINATE; + } else { + return AE_OK; + } +} + + + + +/* + * the _DCK method can do funny things... and sometimes not + * hah-hah funny. + * + * TBD - figure out a way to only call fixups for + * systems that require them. + */ +static int post_dock_fixups(struct notifier_block *nb, unsigned long val, + void *v) +{ + struct acpiphp_func *func = container_of(nb, struct acpiphp_func, nb); + struct pci_bus *bus = func->slot->bridge->pci_bus; + u32 buses; + + if (!bus->self) + return NOTIFY_OK; + + /* fixup bad _DCK function that rewrites + * secondary bridge on slot + */ + pci_read_config_dword(bus->self, + PCI_PRIMARY_BUS, + &buses); + + if (((buses >> 8) & 0xff) != bus->secondary) { + buses = (buses & 0xff000000) + | ((unsigned int)(bus->primary) << 0) + | ((unsigned int)(bus->secondary) << 8) + | ((unsigned int)(bus->subordinate) << 16); + pci_write_config_dword(bus->self, PCI_PRIMARY_BUS, buses); + } + return NOTIFY_OK; +} + + + /* callback routine to register each ACPI PCI slot object */ static acpi_status @@ -124,7 +178,6 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) struct acpiphp_bridge *bridge = (struct acpiphp_bridge *)context; struct acpiphp_slot *slot; struct acpiphp_func *newfunc; - struct dependent_device *dd; acpi_handle tmp; acpi_status status = AE_OK; unsigned long adr, sun; @@ -137,7 +190,7 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) status = acpi_get_handle(handle, "_EJ0", &tmp); - if (ACPI_FAILURE(status) && !(is_dependent_device(handle))) + if (ACPI_FAILURE(status) && !(is_dock_device(handle))) return AE_OK; device = (adr >> 16) & 0xffff; @@ -162,22 +215,17 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) if (ACPI_SUCCESS(acpi_get_handle(handle, "_PS3", &tmp))) newfunc->flags |= FUNC_HAS_PS3; - if (ACPI_SUCCESS(acpi_get_handle(handle, "_DCK", &tmp))) { + if (ACPI_SUCCESS(acpi_get_handle(handle, "_DCK", &tmp))) newfunc->flags |= FUNC_HAS_DCK; - /* add to devices dependent on dock station, - * because this may actually be the dock bridge - */ - dd = alloc_dependent_device(handle); - if (!dd) - err("Can't allocate memory for " - "new dependent device!\n"); - else - add_dependent_device(dd); - } status = acpi_evaluate_integer(handle, "_SUN", NULL, &sun); - if (ACPI_FAILURE(status)) - sun = -1; + if (ACPI_FAILURE(status)) { + /* + * use the count of the number of slots we've found + * for the number of the slot + */ + sun = bridge->nr_slots+1; + } /* search for objects that share the same slot */ for (slot = bridge->slots; slot; slot = slot->next) @@ -225,20 +273,23 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv) slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON); } - /* if this is a device dependent on a dock station, - * associate the acpiphp_func to the dependent_device - * struct. - */ - if ((dd = get_dependent_device(handle))) { - newfunc->flags |= FUNC_IS_DD; - /* - * we don't want any devices which is dependent - * on the dock to have it's _EJ0 method executed. - * because we need to run _DCK first. + if (is_dock_device(handle)) { + /* we don't want to call this device's _EJ0 + * because we want the dock notify handler + * to call it after it calls _DCK */ newfunc->flags &= ~FUNC_HAS_EJ0; - dd->func = newfunc; - add_pci_dependent_device(dd); + if (register_hotplug_dock_device(handle, + handle_hotplug_event_func, newfunc)) + dbg("failed to register dock device\n"); + + /* we need to be notified when dock events happen + * outside of the hotplug operation, since we may + * need to do fixups before we can hotplug. + */ + newfunc->nb.notifier_call = post_dock_fixups; + if (register_dock_notifier(&newfunc->nb)) + dbg("failed to register a dock notifier"); } /* install notify handler */ @@ -277,6 +328,15 @@ static int detect_ejectable_slots(acpi_handle *bridge_handle) status = acpi_walk_namespace(ACPI_TYPE_DEVICE, bridge_handle, (u32)1, is_ejectable_slot, (void *)&count, NULL); + /* + * we also need to add this bridge if there is a dock bridge or + * other pci device on a dock station (removable) + */ + if (!count) + status = acpi_walk_namespace(ACPI_TYPE_DEVICE, bridge_handle, + (u32)1, is_pci_dock_device, (void *)&count, + NULL); + return count; } @@ -487,8 +547,7 @@ find_p2p_bridge(acpi_handle handle, u32 lvl, void *context, void **rv) goto out; /* check if this bridge has ejectable slots */ - if ((detect_ejectable_slots(handle) > 0) || - (detect_dependent_devices(handle) > 0)) { + if ((detect_ejectable_slots(handle) > 0)) { dbg("found PCI-to-PCI bridge at PCI %s\n", pci_name(dev)); add_p2p_bridge(handle, dev); } @@ -605,6 +664,10 @@ static void cleanup_bridge(struct acpiphp_bridge *bridge) list_for_each_safe (list, tmp, &slot->funcs) { struct acpiphp_func *func; func = list_entry(list, struct acpiphp_func, sibling); + if (is_dock_device(func->handle)) { + unregister_hotplug_dock_device(func->handle); + unregister_dock_notifier(&func->nb); + } if (!(func->flags & FUNC_HAS_DCK)) { status = acpi_remove_notify_handler(func->handle, ACPI_SYSTEM_NOTIFY, @@ -1440,7 +1503,7 @@ static void handle_hotplug_event_bridge(acpi_handle handle, u32 type, void *cont * handles ACPI event notification on slots * */ -void handle_hotplug_event_func(acpi_handle handle, u32 type, void *context) +static void handle_hotplug_event_func(acpi_handle handle, u32 type, void *context) { struct acpiphp_func *func; char objname[64]; |