read_u8_from_i2c identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

drivers/hwmon/emc2103.c, line 73 (as a function)

Referenced in 1 files:

drivers/hwmon/emc2103.c

Smatch caller information:

drivers/hwmon/emc2103.c emc2103_update_device() -> read_u8_from_i2c()

Type	Parameter	Key	Value
PARAM_VALUE	0	client	4096-ptr_max
PARAM_VALUE	0	client->adapter	4096-ptr_max
PARAM_VALUE	0	client->adapter->bus_lock.dep_map->name	0-255
PARAM_VALUE	0	client->adapter->bus_lock.rtmutex.waiters.rb_leftmost->rb_right	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.bus_locked	0-1
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.dep_map->name	0-255
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->task->blocked_on	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	client->adapter->lock_ops	4096-ptr_max
PARAM_VALUE	1	i2c_reg	56-58,60
PARAM_VALUE	2	output	4096-ptr_max
PARAM_VALUE	2	*output	0-127,193-255
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&data->update_lock
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct emc2103_data)->update_lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/hwmon/emc2103.c emc2103_update_device() -> read_u8_from_i2c()

Type	Parameter	Key	Value
PARAM_VALUE	0	client	4096-ptr_max
PARAM_VALUE	0	client->adapter	4096-ptr_max
PARAM_VALUE	0	client->adapter->bus_lock.rtmutex.waiters.rb_leftmost->rb_right	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.bus_locked	0-1
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.dep_map->name	0-255
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->task->blocked_on	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	client->adapter->lock_ops	4096-ptr_max
PARAM_VALUE	1	i2c_reg	48-50,52
PARAM_VALUE	2	output	4096-ptr_max
PARAM_VALUE	2	*output	0-127,193-255
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&data->update_lock
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct emc2103_data)->update_lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/hwmon/emc2103.c emc2103_update_device() -> read_u8_from_i2c()

Type	Parameter	Key	Value
PARAM_VALUE	1	i2c_reg	37
PARAM_VALUE	2	output	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&data->update_lock
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct emc2103_data)->update_lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/hwmon/emc2103.c emc2103_update_device() -> read_u8_from_i2c()

Type	Parameter	Key	Value
PARAM_VALUE	0	client	4096-ptr_max
PARAM_VALUE	0	client->adapter	4096-ptr_max
PARAM_VALUE	0	client->adapter->bus_lock.rtmutex.waiters.rb_leftmost->rb_right	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.bus_locked	0-1
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.dep_map->name	0-255
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->task->blocked_on	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	client->adapter->lock_ops	4096-ptr_max
PARAM_VALUE	1	i2c_reg	36
PARAM_VALUE	2	output	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&data->update_lock
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct emc2103_data)->update_lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/hwmon/emc2103.c pwm1_enable_store() -> read_u8_from_i2c()

Type	Parameter	Key	Value
PARAM_VALUE	1	i2c_reg	66
PARAM_VALUE	2	output	5066693803472441344
RX_PATH
TASK_NOT_RUNNING
LOCK2		&data->update_lock
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct emc2103_data)->update_lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/hwmon/emc2103.c read_fan_config_from_i2c() -> read_u8_from_i2c()

Type	Parameter	Key	Value
PARAM_VALUE	0	client	4096-ptr_max
PARAM_VALUE	0	client->adapter	4096-ptr_max
PARAM_VALUE	0	client->adapter->bus_lock.dep_map->name	0-255
PARAM_VALUE	0	client->adapter->bus_lock.rtmutex.waiters.rb_leftmost->rb_right	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.bus_locked	0-1
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.dep_map->name	0-255
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->task->blocked_on	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	client->adapter->dev.driver_data->mutex->wait_lock.owner	(-4611686018427387904)-4611686018427387903
PARAM_VALUE	0	client->adapter->lock_ops	4096-ptr_max
PARAM_VALUE	1	i2c_reg	66
PARAM_VALUE	2	output	3394877297949130752
DATA_SOURCE	0	client	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		&data->update_lock
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct emc2103_data)->update_lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/hwmon/emc2103.c read_fan_from_i2c() -> read_u8_from_i2c()

Type	Parameter	Key	Value
PARAM_VALUE	0	client	4096-ptr_max
PARAM_VALUE	0	client->adapter	4096-ptr_max
PARAM_VALUE	0	client->adapter->bus_lock.dep_map->name	0-255
PARAM_VALUE	0	client->adapter->bus_lock.rtmutex.waiters.rb_leftmost->rb_right	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.bus_locked	0-1
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.dep_map->name	0-255
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->task->blocked_on	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	client->adapter->lock_ops	4096-ptr_max
PARAM_VALUE	1	i2c_reg	77-78
PARAM_VALUE	2	output	4904887576621207552
DATA_SOURCE	0	client	$0
DATA_SOURCE	1	i2c_reg	$2
HARD_MAX	1	i2c_reg	78
RX_PATH
TASK_NOT_RUNNING
LOCK2		&data->update_lock
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct emc2103_data)->update_lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/hwmon/emc2103.c read_fan_from_i2c() -> read_u8_from_i2c()

Type	Parameter	Key	Value
PARAM_VALUE	0	client	4096-ptr_max
PARAM_VALUE	0	client->adapter	4096-ptr_max
PARAM_VALUE	0	client->adapter->bus_lock.rtmutex.waiters.rb_leftmost->rb_right	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.bus_locked	0-1
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.dep_map->name	0-255
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->task->blocked_on	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	client->adapter->lock_ops	4096-ptr_max
PARAM_VALUE	1	i2c_reg	76,79
PARAM_VALUE	2	output	2865951151869161472
DATA_SOURCE	0	client	$0
DATA_SOURCE	1	i2c_reg	$3
HARD_MAX	1	i2c_reg	79
RX_PATH
TASK_NOT_RUNNING
LOCK2		&data->update_lock
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct emc2103_data)->update_lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/hwmon/emc2103.c read_temp_from_i2c() -> read_u8_from_i2c()

Type	Parameter	Key	Value
PARAM_VALUE	1	i2c_reg	0,2,4,6
PARAM_VALUE	2	output	1852900284049301504
DATA_SOURCE	0	client	$0
DATA_SOURCE	1	i2c_reg	$1
RX_PATH
TASK_NOT_RUNNING
LOCK2		&data->update_lock
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct emc2103_data)->update_lock
TYPE_LOCK		(struct kernfs_open_file)->mutex

drivers/hwmon/emc2103.c read_temp_from_i2c() -> read_u8_from_i2c()

Type	Parameter	Key	Value
PARAM_VALUE	0	client	4096-ptr_max
PARAM_VALUE	0	client->adapter	4096-ptr_max
PARAM_VALUE	0	client->adapter->bus_lock.rtmutex.waiters.rb_leftmost->rb_right	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.bus_locked	0-1
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.dep_map->name	0-255
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.first_waiter->task->blocked_on	0
PARAM_VALUE	0	client->adapter->dev.driver_data->adev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	client->adapter->lock_ops	4096-ptr_max
PARAM_VALUE	1	i2c_reg	1,3,5,7
PARAM_VALUE	2	output	878484905023643648
DATA_SOURCE	0	client	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		&data->update_lock
LOCK2		&of->mutex
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct emc2103_data)->update_lock
TYPE_LOCK		(struct kernfs_open_file)->mutex