diff options
Diffstat (limited to 'drivers/acpi/button.c')
-rw-r--r-- | drivers/acpi/button.c | 72 |
1 files changed, 26 insertions, 46 deletions
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); |