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path: root/drivers/acpi/sbs.c
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Diffstat (limited to 'drivers/acpi/sbs.c')
-rw-r--r--drivers/acpi/sbs.c142
1 files changed, 40 insertions, 102 deletions
diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 8bebcebff5f..db7b350a503 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -187,8 +187,6 @@ static void acpi_battery_smbus_err_handler(struct acpi_ec_smbus *smbus)
char *err_str;
int err_number;
- ACPI_FUNCTION_TRACE("acpi_battery_smbus_err_handler");
-
data.word = 0;
result = smbus->adapter.algo->
@@ -239,8 +237,6 @@ acpi_sbs_smbus_read_word(struct acpi_ec_smbus *smbus, int addr, int func,
int result = 0;
int i;
- ACPI_FUNCTION_TRACE("acpi_sbs_smbus_read_word");
-
if (err_handler == NULL) {
err_handler = acpi_battery_smbus_err_handler;
}
@@ -263,7 +259,7 @@ acpi_sbs_smbus_read_word(struct acpi_ec_smbus *smbus, int addr, int func,
}
}
- return_VALUE(result);
+ return result;
}
static int
@@ -275,8 +271,6 @@ acpi_sbs_smbus_read_str(struct acpi_ec_smbus *smbus, int addr, int func,
int result = 0;
int i;
- ACPI_FUNCTION_TRACE("acpi_sbs_smbus_read_str");
-
if (err_handler == NULL) {
err_handler = acpi_battery_smbus_err_handler;
}
@@ -302,7 +296,7 @@ acpi_sbs_smbus_read_str(struct acpi_ec_smbus *smbus, int addr, int func,
}
}
- return_VALUE(result);
+ return result;
}
static int
@@ -314,8 +308,6 @@ acpi_sbs_smbus_write_word(struct acpi_ec_smbus *smbus, int addr, int func,
int result = 0;
int i;
- ACPI_FUNCTION_TRACE("acpi_sbs_smbus_write_word");
-
if (err_handler == NULL) {
err_handler = acpi_battery_smbus_err_handler;
}
@@ -339,7 +331,7 @@ acpi_sbs_smbus_write_word(struct acpi_ec_smbus *smbus, int addr, int func,
}
}
- return_VALUE(result);
+ return result;
}
/* --------------------------------------------------------------------------
@@ -355,8 +347,6 @@ static int acpi_sbs_generate_event(struct acpi_device *device,
char class_saved[20];
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_sbs_generate_event");
-
strcpy(bid_saved, acpi_device_bid(device));
strcpy(class_saved, acpi_device_class(device));
@@ -368,7 +358,7 @@ static int acpi_sbs_generate_event(struct acpi_device *device,
strcpy(acpi_device_bid(device), bid_saved);
strcpy(acpi_device_class(device), class_saved);
- return_VALUE(result);
+ return result;
}
static int acpi_battery_get_present(struct acpi_battery *battery)
@@ -377,8 +367,6 @@ static int acpi_battery_get_present(struct acpi_battery *battery)
int result = 0;
int is_present = 0;
- ACPI_FUNCTION_TRACE("acpi_battery_get_present");
-
result = acpi_sbs_smbus_read_word(battery->sbs->smbus,
ACPI_SBSM_SMBUS_ADDR, 0x01,
&state, NULL);
@@ -391,7 +379,7 @@ static int acpi_battery_get_present(struct acpi_battery *battery)
}
battery->battery_present = is_present;
- return_VALUE(result);
+ return result;
}
static int acpi_battery_is_present(struct acpi_battery *battery)
@@ -411,8 +399,6 @@ static int acpi_battery_select(struct acpi_battery *battery)
s16 state;
int foo;
- ACPI_FUNCTION_TRACE("acpi_battery_select");
-
if (battery->sbs->sbsm_present) {
/* Take special care not to knobble other nibbles of
@@ -440,7 +426,7 @@ static int acpi_battery_select(struct acpi_battery *battery)
}
end:
- return_VALUE(result);
+ return result;
}
static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
@@ -449,8 +435,6 @@ static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
int result = 0;
s16 battery_system_info;
- ACPI_FUNCTION_TRACE("acpi_sbsm_get_info");
-
result = acpi_sbs_smbus_read_word(smbus, ACPI_SBSM_SMBUS_ADDR, 0x04,
&battery_system_info, NULL);
if (result) {
@@ -463,7 +447,7 @@ static int acpi_sbsm_get_info(struct acpi_sbs *sbs)
end:
- return_VALUE(result);
+ return result;
}
static int acpi_battery_get_info(struct acpi_battery *battery)
@@ -473,8 +457,6 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
s16 battery_mode;
s16 specification_info;
- ACPI_FUNCTION_TRACE("acpi_battery_get_info");
-
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x03,
&battery_mode,
&acpi_battery_smbus_err_handler);
@@ -583,12 +565,11 @@ static int acpi_battery_get_info(struct acpi_battery *battery)
}
end:
- return_VALUE(result);
+ return result;
}
static void acpi_update_delay(struct acpi_sbs *sbs)
{
- ACPI_FUNCTION_TRACE("acpi_update_delay");
if (sbs->zombie) {
return;
}
@@ -602,8 +583,6 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
struct acpi_ec_smbus *smbus = battery->sbs->smbus;
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_battery_get_state");
-
acpi_update_delay(battery->sbs);
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x09,
&battery->state.voltage,
@@ -667,7 +646,7 @@ static int acpi_battery_get_state(struct acpi_battery *battery)
acpi_update_delay(battery->sbs);
end:
- return_VALUE(result);
+ return result;
}
static int acpi_battery_get_alarm(struct acpi_battery *battery)
@@ -675,8 +654,6 @@ static int acpi_battery_get_alarm(struct acpi_battery *battery)
struct acpi_ec_smbus *smbus = battery->sbs->smbus;
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_battery_get_alarm");
-
result = acpi_sbs_smbus_read_word(smbus, ACPI_SB_SMBUS_ADDR, 0x01,
&battery->alarm.remaining_capacity,
&acpi_battery_smbus_err_handler);
@@ -690,7 +667,7 @@ static int acpi_battery_get_alarm(struct acpi_battery *battery)
end:
- return_VALUE(result);
+ return result;
}
static int acpi_battery_set_alarm(struct acpi_battery *battery,
@@ -701,8 +678,6 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery,
s16 battery_mode;
int foo;
- ACPI_FUNCTION_TRACE("acpi_battery_set_alarm");
-
result = acpi_battery_select(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@@ -746,7 +721,7 @@ static int acpi_battery_set_alarm(struct acpi_battery *battery,
end:
- return_VALUE(result);
+ return result;
}
static int acpi_battery_set_mode(struct acpi_battery *battery)
@@ -754,8 +729,6 @@ static int acpi_battery_set_mode(struct acpi_battery *battery)
int result = 0;
s16 battery_mode;
- ACPI_FUNCTION_TRACE("acpi_battery_set_mode");
-
if (capacity_mode == DEF_CAPACITY_UNIT) {
goto end;
}
@@ -793,15 +766,13 @@ static int acpi_battery_set_mode(struct acpi_battery *battery)
}
end:
- return_VALUE(result);
+ return result;
}
static int acpi_battery_init(struct acpi_battery *battery)
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_battery_init");
-
result = acpi_battery_select(battery);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@@ -838,7 +809,7 @@ static int acpi_battery_init(struct acpi_battery *battery)
}
end:
- return_VALUE(result);
+ return result;
}
static int acpi_ac_get_present(struct acpi_sbs *sbs)
@@ -847,8 +818,6 @@ static int acpi_ac_get_present(struct acpi_sbs *sbs)
int result = 0;
s16 charger_status;
- ACPI_FUNCTION_TRACE("acpi_ac_get_present");
-
result = acpi_sbs_smbus_read_word(smbus, ACPI_SBC_SMBUS_ADDR, 0x13,
&charger_status, NULL);
@@ -862,7 +831,7 @@ static int acpi_ac_get_present(struct acpi_sbs *sbs)
end:
- return_VALUE(result);
+ return result;
}
/* --------------------------------------------------------------------------
@@ -881,14 +850,12 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
{
struct proc_dir_entry *entry = NULL;
- ACPI_FUNCTION_TRACE("acpi_sbs_generic_add_fs");
-
if (!*dir) {
*dir = proc_mkdir(dir_name, parent_dir);
if (!*dir) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"proc_mkdir() failed\n"));
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
(*dir)->owner = THIS_MODULE;
}
@@ -932,14 +899,13 @@ acpi_sbs_generic_add_fs(struct proc_dir_entry **dir,
}
}
- return_VALUE(0);
+ return 0;
}
static void
acpi_sbs_generic_remove_fs(struct proc_dir_entry **dir,
struct proc_dir_entry *parent_dir)
{
- ACPI_FUNCTION_TRACE("acpi_sbs_generic_remove_fs");
if (*dir) {
remove_proc_entry(ACPI_SBS_FILE_INFO, *dir);
@@ -961,10 +927,8 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset)
int cscale;
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_battery_read_info");
-
if (battery->sbs->zombie) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
down(&sbs_sem);
@@ -1023,7 +987,7 @@ static int acpi_battery_read_info(struct seq_file *seq, void *offset)
up(&sbs_sem);
- return_VALUE(result);
+ return result;
}
static int acpi_battery_info_open_fs(struct inode *inode, struct file *file)
@@ -1038,10 +1002,8 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
int cscale;
int foo;
- ACPI_FUNCTION_TRACE("acpi_battery_read_state");
-
if (battery->sbs->zombie) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
down(&sbs_sem);
@@ -1104,7 +1066,7 @@ static int acpi_battery_read_state(struct seq_file *seq, void *offset)
up(&sbs_sem);
- return_VALUE(result);
+ return result;
}
static int acpi_battery_state_open_fs(struct inode *inode, struct file *file)
@@ -1118,10 +1080,8 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
int result = 0;
int cscale;
- ACPI_FUNCTION_TRACE("acpi_battery_read_alarm");
-
if (battery->sbs->zombie) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
down(&sbs_sem);
@@ -1158,7 +1118,7 @@ static int acpi_battery_read_alarm(struct seq_file *seq, void *offset)
up(&sbs_sem);
- return_VALUE(result);
+ return result;
}
static ssize_t
@@ -1170,10 +1130,8 @@ acpi_battery_write_alarm(struct file *file, const char __user * buffer,
char alarm_string[12] = { '\0' };
int result, old_alarm, new_alarm;
- ACPI_FUNCTION_TRACE("acpi_battery_write_alarm");
-
if (battery->sbs->zombie) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
down(&sbs_sem);
@@ -1217,9 +1175,9 @@ acpi_battery_write_alarm(struct file *file, const char __user * buffer,
up(&sbs_sem);
if (result) {
- return_VALUE(result);
+ return result;
} else {
- return_VALUE(count);
+ return count;
}
}
@@ -1262,10 +1220,8 @@ static int acpi_ac_read_state(struct seq_file *seq, void *offset)
struct acpi_sbs *sbs = (struct acpi_sbs *)seq->private;
int result;
- ACPI_FUNCTION_TRACE("acpi_ac_read_state");
-
if (sbs->zombie) {
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
down(&sbs_sem);
@@ -1283,7 +1239,7 @@ static int acpi_ac_read_state(struct seq_file *seq, void *offset)
up(&sbs_sem);
- return_VALUE(0);
+ return 0;
}
static int acpi_ac_state_open_fs(struct inode *inode, struct file *file)
@@ -1312,8 +1268,6 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
char dir_name[32];
struct acpi_battery *battery;
- ACPI_FUNCTION_TRACE("acpi_battery_add");
-
battery = &sbs->battery[id];
battery->alive = 0;
@@ -1364,12 +1318,11 @@ static int acpi_battery_add(struct acpi_sbs *sbs, int id)
battery->alive = 1;
end:
- return_VALUE(result);
+ return result;
}
static void acpi_battery_remove(struct acpi_sbs *sbs, int id)
{
- ACPI_FUNCTION_TRACE("acpi_battery_remove");
if (sbs->battery[id].battery_entry) {
acpi_sbs_generic_remove_fs(&(sbs->battery[id].battery_entry),
@@ -1381,8 +1334,6 @@ static int acpi_ac_add(struct acpi_sbs *sbs)
{
int result;
- ACPI_FUNCTION_TRACE("acpi_ac_add");
-
result = acpi_ac_get_present(sbs);
if (result) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
@@ -1402,12 +1353,11 @@ static int acpi_ac_add(struct acpi_sbs *sbs)
end:
- return_VALUE(result);
+ return result;
}
static void acpi_ac_remove(struct acpi_sbs *sbs)
{
- ACPI_FUNCTION_TRACE("acpi_ac_remove");
if (sbs->ac_entry) {
acpi_sbs_generic_remove_fs(&sbs->ac_entry, acpi_ac_dir);
@@ -1416,7 +1366,6 @@ static void acpi_ac_remove(struct acpi_sbs *sbs)
static void acpi_sbs_update_queue_run(unsigned long data)
{
- ACPI_FUNCTION_TRACE("acpi_sbs_update_queue_run");
acpi_os_execute(OSL_GPE_HANDLER, acpi_sbs_update_queue, (void *)data);
}
@@ -1433,8 +1382,6 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type)
int do_battery_init, do_ac_init;
s16 old_remaining_capacity;
- ACPI_FUNCTION_TRACE("acpi_sbs_update_run");
-
if (sbs->zombie) {
goto end;
}
@@ -1584,7 +1531,7 @@ static int acpi_sbs_update_run(struct acpi_sbs *sbs, int data_type)
}
end:
- return_VALUE(result);
+ return result;
}
static void acpi_sbs_update_queue(void *data)
@@ -1593,8 +1540,6 @@ static void acpi_sbs_update_queue(void *data)
unsigned long delay = -1;
int result;
- ACPI_FUNCTION_TRACE("acpi_sbs_update_queue");
-
if (sbs->zombie) {
goto end;
}
@@ -1631,12 +1576,10 @@ static int acpi_sbs_add(struct acpi_device *device)
int id, cnt;
acpi_status status = AE_OK;
- ACPI_FUNCTION_TRACE("acpi_sbs_add");
-
sbs = kmalloc(sizeof(struct acpi_sbs), GFP_KERNEL);
if (!sbs) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "kmalloc() failed\n"));
- return_VALUE(-ENOMEM);
+ return -ENOMEM;
}
memset(sbs, 0, sizeof(struct acpi_sbs));
@@ -1737,7 +1680,7 @@ static int acpi_sbs_add(struct acpi_device *device)
}
}
- return_VALUE(result);
+ return result;
}
int acpi_sbs_remove(struct acpi_device *device, int type)
@@ -1745,10 +1688,8 @@ int acpi_sbs_remove(struct acpi_device *device, int type)
struct acpi_sbs *sbs = (struct acpi_sbs *)acpi_driver_data(device);
int id;
- ACPI_FUNCTION_TRACE("acpi_sbs_remove");
-
if (!device || !sbs) {
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
sbs->zombie = 1;
@@ -1766,15 +1707,13 @@ int acpi_sbs_remove(struct acpi_device *device, int type)
kfree(sbs);
- return_VALUE(0);
+ return 0;
}
static int __init acpi_sbs_init(void)
{
int result = 0;
- ACPI_FUNCTION_TRACE("acpi_sbs_init");
-
init_MUTEX(&sbs_sem);
if (capacity_mode != DEF_CAPACITY_UNIT
@@ -1783,36 +1722,35 @@ static int __init acpi_sbs_init(void)
ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "acpi_sbs_init: "
"invalid capacity_mode = %d\n",
capacity_mode));
- return_VALUE(-EINVAL);
+ return -EINVAL;
}
acpi_ac_dir = acpi_lock_ac_dir();
if (!acpi_ac_dir) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_lock_ac_dir() failed\n"));
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
acpi_battery_dir = acpi_lock_battery_dir();
if (!acpi_battery_dir) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_lock_battery_dir() failed\n"));
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
result = acpi_bus_register_driver(&acpi_sbs_driver);
if (result < 0) {
ACPI_DEBUG_PRINT((ACPI_DB_ERROR,
"acpi_bus_register_driver() failed\n"));
- return_VALUE(-ENODEV);
+ return -ENODEV;
}
- return_VALUE(0);
+ return 0;
}
static void __exit acpi_sbs_exit(void)
{
- ACPI_FUNCTION_TRACE("acpi_sbs_exit");
acpi_bus_unregister_driver(&acpi_sbs_driver);
@@ -1821,7 +1759,7 @@ static void __exit acpi_sbs_exit(void)
acpi_unlock_battery_dir(acpi_battery_dir);
acpi_battery_dir = NULL;
- return_VOID;
+ return;
}
module_init(acpi_sbs_init);
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-22 23:40:14 +0000