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Commit d550d98d authored by Patrick Mochel's avatar Patrick Mochel Committed by Len Brown
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ACPI: delete tracing macros from drivers/acpi/*.c 

Signed-off-by: default avatarLen Brown <len.brown@intel.com>
parent d7fa2589
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Showing with 862 additions and 1187 deletions
drivers/acpi/ac.c
View file @ d550d98d
......@@ -84,19 +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_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;
}
/* --------------------------------------------------------------------------
......@@ -109,14 +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: ");
......@@ -132,7 +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)
......@@ -144,13 +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;
}
......@@ -158,19 +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)
return_VALUE(-ENODEV);
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));
......@@ -179,7 +175,7 @@ static int acpi_ac_remove_fs(struct acpi_device *device)
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
return 0;
}
/* --------------------------------------------------------------------------
......@@ -191,13 +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:
......@@ -210,7 +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)
......@@ -219,14 +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;
......@@ -260,7 +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)
......@@ -268,10 +262,9 @@ 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);
......@@ -282,38 +275,36 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
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);
......
drivers/acpi/acpi_memhotplug.c
View file @ d550d98d
......@@ -85,12 +85,11 @@ acpi_memory_get_device_resources(struct acpi_memory_device *mem_device)
struct acpi_resource *resource = NULL;
struct acpi_resource_address64 address64;
ACPI_FUNCTION_TRACE("acpi_memory_get_device_resources");
/* Get the range from the _CRS */
status = acpi_get_current_resources(mem_device->handle, &buffer);
if (ACPI_FAILURE(status))
return_VALUE(-EINVAL);
return -EINVAL;
resource = (struct acpi_resource *)buffer.pointer;
status = acpi_resource_to_address64(resource, &address64);
......@@ -106,7 +105,7 @@ acpi_memory_get_device_resources(struct acpi_memory_device *mem_device)
}
acpi_os_free(buffer.pointer);
return_VALUE(0);
return 0;
}
static int
......@@ -118,7 +117,6 @@ 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;
......@@ -126,14 +124,14 @@ acpi_memory_get_device(acpi_handle handle,
status = acpi_get_parent(handle, &phandle);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Cannot find acpi parent"));
return_VALUE(-EINVAL);
return -EINVAL;
}
/* Get the parent device */
status = acpi_bus_get_device(phandle, &pdevice);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Cannot get acpi bus device"));
return_VALUE(-EINVAL);
return -EINVAL;
}
/*
......@@ -143,29 +141,28 @@ acpi_memory_get_device(acpi_handle handle,
status = acpi_bus_add(&device, pdevice, handle, ACPI_BUS_TYPE_DEVICE);
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "Cannot add acpi bus"));
return_VALUE(-EINVAL);
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, &current_status)))
return_VALUE(-ENODEV);
return -ENODEV;
/*
* Check for device status. Device should be
* present/enabled/functioning.
......@@ -173,16 +170,15 @@ 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)
{
int result;
ACPI_FUNCTION_TRACE("acpi_memory_enable_device");
/* Get the range from the _CRS */
result = acpi_memory_get_device_resources(mem_device);
......@@ -213,7 +209,6 @@ 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;
......@@ -225,20 +220,20 @@ static int acpi_memory_powerdown_device(struct acpi_memory_device *mem_device)
/* Return on _EJ0 failure */
if (ACPI_FAILURE(status)) {
ACPI_EXCEPTION((AE_INFO, status, "_EJ0 failed"));
return_VALUE(-ENODEV);
return -ENODEV;
}
/* Evalute _STA to check if the device is disabled */
status = acpi_evaluate_integer(mem_device->handle, "_STA",
NULL, &current_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)
......@@ -247,7 +242,6 @@ static int acpi_memory_disable_device(struct acpi_memory_device *mem_device)
u64 start = mem_device->start_addr;
u64 len = mem_device->length;
ACPI_FUNCTION_TRACE("acpi_memory_disable_device");
/*
* Ask the VM to offline this memory range.
......@@ -255,7 +249,7 @@ static int acpi_memory_disable_device(struct acpi_memory_device *mem_device)
*/
result = remove_memory(start, len);
if (result)
return_VALUE(result);
return result;
/* Power-off and eject the device */
result = acpi_memory_powerdown_device(mem_device);
......@@ -274,7 +268,6 @@ 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:
......@@ -287,7 +280,7 @@ static void acpi_memory_device_notify(acpi_handle handle, u32 event, void *data)
"\nReceived DEVICE CHECK notification for device\n"));
if (acpi_memory_get_device(handle, &mem_device)) {
printk(KERN_ERR PREFIX "Cannot find driver data\n");
return_VOID;
return;
}
if (!acpi_memory_check_device(mem_device)) {
......@@ -329,7 +322,7 @@ 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)
......@@ -337,14 +330,13 @@ 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));
mem_device->handle = device->handle;
......@@ -356,7 +348,7 @@ 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 */
......@@ -364,22 +356,21 @@ 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;
}
/*
......@@ -392,16 +383,15 @@ 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(status);
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;
......@@ -410,7 +400,7 @@ 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
......@@ -419,18 +409,17 @@ 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)){
ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device"));
return_ACPI_STATUS(AE_OK); /* continue */
return AE_OK; /* continue */
}
status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
acpi_memory_device_notify, NULL);
/* continue */
return_ACPI_STATUS(AE_OK);
return AE_OK;
}
static acpi_status
......@@ -439,19 +428,18 @@ 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)){
ACPI_EXCEPTION((AE_INFO, status, "handle is no memory device"));
return_ACPI_STATUS(AE_OK); /* continue */
return AE_OK; /* continue */
}
status = acpi_remove_notify_handler(handle,
ACPI_SYSTEM_NOTIFY,
acpi_memory_device_notify);
return_ACPI_STATUS(AE_OK); /* continue */
return AE_OK; /* continue */
}
static int __init acpi_memory_device_init(void)
......@@ -459,12 +447,11 @@ 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,
......@@ -474,17 +461,16 @@ static int __init acpi_memory_device_init(void)
if (ACPI_FAILURE(status)) {
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
......@@ -500,7 +486,7 @@ static void __exit acpi_memory_device_exit(void)
acpi_bus_unregister_driver(&acpi_memory_device_driver);
return_VOID;
return;
}
module_init(acpi_memory_device_init);
......
drivers/acpi/battery.c
View file @ d550d98d
......@@ -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_EXCEPTION((AE_INFO, status, "Evaluating _BIF"));
return_VALUE(-ENODEV);
return -ENODEV;
}
package = (union acpi_object *)buffer.pointer;
......@@ -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_EXCEPTION((AE_INFO, status, "Evaluating _BST"));
return_VALUE(-ENODEV);
return -ENODEV;
}
package = (union acpi_object *)buffer.pointer;
......@@ -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;
......@@ -487,7 +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)
......@@ -500,7 +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;
......@@ -525,7 +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
......@@ -538,25 +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)
......@@ -593,13 +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;
}
......@@ -607,7 +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)
return_VALUE(-ENODEV);
return -ENODEV;
else {
entry->proc_fops = &acpi_battery_info_ops;
entry->data = acpi_driver_data(device);
......@@ -618,7 +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)
return_VALUE(-ENODEV);
return -ENODEV;
else {
entry->proc_fops = &acpi_battery_state_ops;
entry->data = acpi_driver_data(device);
......@@ -630,19 +621,18 @@ static int acpi_battery_add_fs(struct acpi_device *device)
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
return_VALUE(-ENODEV);
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,
......@@ -656,7 +646,7 @@ static int acpi_battery_remove_fs(struct acpi_device *device)
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
return 0;
}
/* --------------------------------------------------------------------------
......@@ -668,13 +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:
......@@ -688,7 +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)
......@@ -697,14 +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;
......@@ -738,7 +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)
......@@ -746,10 +734,9 @@ 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);
......@@ -761,38 +748,36 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
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);
......
drivers/acpi/bus.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/button.c
View file @ d550d98d
......@@ -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);
......@@ -195,19 +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)
return_VALUE(-ENODEV);
return -ENODEV;
else {
entry->proc_fops = &acpi_button_info_fops;
entry->data = acpi_driver_data(device);
......@@ -227,14 +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)) {
......@@ -249,7 +245,7 @@ static int acpi_button_remove_fs(struct acpi_device *device)
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
return 0;
}
/* --------------------------------------------------------------------------
......@@ -260,10 +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:
......@@ -276,21 +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)
......@@ -299,14 +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;
......@@ -400,7 +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)
......@@ -408,10 +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);
......@@ -438,31 +430,29 @@ static int acpi_button_remove(struct acpi_device *device, int type)
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);
......@@ -474,7 +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);
......
drivers/acpi/container.c
View file @ d550d98d
......@@ -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) {
printk(KERN_ERR PREFIX "device is NULL\n");
return_VALUE(-EINVAL);
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);
......
drivers/acpi/debug.c
View file @ d550d98d
......@@ -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;
......@@ -213,7 +211,7 @@ static int __init acpi_debug_init(void)
goto Error;
Done:
return_VALUE(error);
return error;
Error:
remove_proc_entry(ACPI_SYSTEM_FILE_DEBUG_LEVEL, acpi_root_dir);
......
drivers/acpi/ec.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/event.c
View file @ d550d98d
......@@ -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)
......@@ -112,10 +111,9 @@ 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);
......@@ -124,7 +122,7 @@ static int __init acpi_event_init(void)
else {
error = -ENODEV;
}
return_VALUE(error);
return error;
}
subsys_initcall(acpi_event_init);
drivers/acpi/fan.c
View file @ d550d98d
......@@ -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;
}
......@@ -153,19 +150,18 @@ static int acpi_fan_add_fs(struct acpi_device *device)
S_IFREG | S_IRUGO | S_IWUSR,
acpi_device_dir(device));
if (!entry)
return_VALUE(-ENODEV);
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));
......@@ -173,7 +169,7 @@ static int acpi_fan_remove_fs(struct acpi_device *device)
acpi_device_dir(device) = NULL;
}
return_VALUE(0);
return 0;
}
/* --------------------------------------------------------------------------
......@@ -186,14 +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;
......@@ -223,17 +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);
......@@ -241,7 +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)
......@@ -280,31 +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);
......
drivers/acpi/hotkey.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/motherboard.c
View file @ d550d98d
......@@ -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)
......
drivers/acpi/osl.c
View file @ d550d98d
......@@ -587,19 +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) {
printk(KERN_ERR PREFIX "Invalid (NULL) context\n");
return_VOID;
return;
}
dpc->function(dpc->context);
kfree(dpc);
return_VOID;
return;
}
static int acpi_os_execute_thread(void *context)
......@@ -693,7 +692,6 @@ acpi_status acpi_os_create_lock(acpi_handle * out_handle)
{
spinlock_t *lock_ptr;
ACPI_FUNCTION_TRACE("os_create_lock");
lock_ptr = acpi_os_allocate(sizeof(spinlock_t));
......@@ -703,7 +701,7 @@ acpi_status acpi_os_create_lock(acpi_handle * out_handle)
*out_handle = lock_ptr;
return_ACPI_STATUS(AE_OK);
return AE_OK;
}
/*
......@@ -711,13 +709,12 @@ acpi_status acpi_os_create_lock(acpi_handle * out_handle)
*/
void acpi_os_delete_lock(acpi_handle 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
......@@ -725,11 +722,10 @@ 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);
......@@ -739,7 +735,7 @@ 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);
......@@ -755,17 +751,16 @@ 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);
......@@ -785,13 +780,12 @@ 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));
......@@ -850,7 +844,7 @@ acpi_status acpi_os_wait_semaphore(acpi_handle handle, u32 units, u16 timeout)
units, timeout));
}
return_ACPI_STATUS(status);
return status;
}
EXPORT_SYMBOL(acpi_os_wait_semaphore);
......@@ -862,20 +856,19 @@ 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);
......
drivers/acpi/pci_bind.c
View file @ d550d98d
......@@ -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;
}
/**
......@@ -68,17 +67,16 @@ 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) {
printk(KERN_ERR PREFIX
"Invalid ACPI Bus context for device %s\n",
acpi_device_bid(device));
return_ACPI_STATUS(AE_NOT_EXIST);
return AE_NOT_EXIST;
}
status = acpi_get_data(handle, acpi_pci_data_handler, (void **)&data);
......@@ -86,7 +84,7 @@ acpi_status acpi_get_pci_id(acpi_handle handle, struct acpi_pci_id *id)
ACPI_EXCEPTION((AE_INFO, status,
"Invalid ACPI-PCI context for device %s",
acpi_device_bid(device)));
return_ACPI_STATUS(status);
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));
......@@ -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;
......@@ -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));
......@@ -381,5 +376,5 @@ acpi_pci_bind_root(struct acpi_device *device,
if (result != 0)
kfree(data);
return_VALUE(result);
return result;
}
drivers/acpi/pci_irq.c
View file @ d550d98d
......@@ -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) {
......@@ -199,12 +196,12 @@ int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus)
if (status != AE_BUFFER_OVERFLOW) {
ACPI_EXCEPTION((AE_INFO, status, "Evaluating _PRT [%s]",
acpi_format_exception(status)));
return_VALUE(-ENODEV);
return -ENODEV;
}
prt = kmalloc(buffer.length, GFP_KERNEL);
if (!prt) {
return_VALUE(-ENOMEM);
return -ENOMEM;
}
memset(prt, 0, buffer.length);
buffer.pointer = prt;
......@@ -214,7 +211,7 @@ int acpi_pci_irq_add_prt(acpi_handle handle, int segment, int bus)
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)
......@@ -262,7 +259,6 @@ 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,
......@@ -271,7 +267,7 @@ acpi_pci_allocate_irq(struct acpi_prt_entry *entry,
if (irq < 0) {
printk(KERN_WARNING PREFIX
"Invalid IRQ link routing entry\n");
return_VALUE(-1);
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--;
......@@ -381,13 +374,13 @@ acpi_pci_irq_derive(struct pci_dev *dev,
if (irq < 0) {
printk(KERN_WARNING PREFIX "Unable to derive IRQ for device %s\n",
pci_name(dev));
return_VALUE(-1);
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;
}
/*
......@@ -405,23 +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) {
printk(KERN_ERR PREFIX "Invalid (NULL) 'bus' field\n");
return_VALUE(-ENODEV);
return -ENODEV;
}
/*
......@@ -453,10 +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;
}
}
......@@ -464,7 +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;
......@@ -478,7 +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);
......@@ -495,14 +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--;
/*
......@@ -520,7 +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
......@@ -532,5 +523,5 @@ void acpi_pci_irq_disable(struct pci_dev *dev)
acpi_unregister_gsi(gsi);
return_VOID;
return;
}
drivers/acpi/pci_link.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/pci_root.c
View file @ d550d98d
......@@ -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);
......@@ -307,46 +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;
......@@ -354,9 +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);
drivers/acpi/power.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/processor_core.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/processor_idle.c
View file @ d550d98d
......@@ -517,10 +517,9 @@ 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 +543,7 @@ 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 +582,17 @@ 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 +604,7 @@ 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 +620,11 @@ 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 +637,7 @@ 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 +649,9 @@ 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;
......@@ -667,7 +663,7 @@ 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;
......@@ -773,15 +769,14 @@ 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
......@@ -790,7 +785,7 @@ 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;
}
/*
......@@ -800,7 +795,7 @@ 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,
......@@ -808,10 +803,9 @@ 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
......@@ -820,7 +814,7 @@ 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;
}
/*
......@@ -833,7 +827,7 @@ 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 */
......@@ -850,7 +844,7 @@ 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 {
/*
......@@ -861,7 +855,7 @@ 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);
......@@ -876,7 +870,7 @@ 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)
......@@ -935,7 +929,6 @@ 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 */
......@@ -958,7 +951,7 @@ 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
......@@ -972,24 +965,23 @@ 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;
......@@ -1000,7 +992,7 @@ 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 */
......@@ -1010,7 +1002,6 @@ 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;
......@@ -1068,7 +1059,7 @@ static int acpi_processor_power_seq_show(struct seq_file *seq, void *offset)
}
end:
return_VALUE(0);
return 0;
}
static int acpi_processor_power_open_fs(struct inode *inode, struct file *file)
......@@ -1092,7 +1083,6 @@ 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);
......@@ -1104,7 +1094,7 @@ int acpi_processor_power_init(struct acpi_processor *pr,
}
if (!pr)
return_VALUE(-EINVAL);
return -EINVAL;
if (acpi_fadt.cst_cnt && !nocst) {
status =
......@@ -1149,13 +1139,12 @@ 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;
......@@ -1175,5 +1164,5 @@ int acpi_processor_power_exit(struct acpi_processor *pr,
cpu_idle_wait();
}
return_VALUE(0);
return 0;
}
drivers/acpi/processor_perflib.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/processor_thermal.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/processor_throttling.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/scan.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/system.c
View file @ d550d98d
......@@ -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;
......@@ -158,7 +154,7 @@ static int __init acpi_system_init(void)
goto Error;
Done:
return_VALUE(error);
return error;
Error:
remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir);
......
drivers/acpi/thermal.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/utils.c
View file @ d550d98d
This diff is collapsed.
drivers/acpi/video.c
View file @ d550d98d
This diff is collapsed.
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