diff options
Diffstat (limited to 'drivers/acpi/battery.c')
-rw-r--r-- | drivers/acpi/battery.c | 122 |
1 files changed, 47 insertions, 75 deletions
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); |