__i2c_smbus_xfer identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/i2c.h, line 144 (as a prototype)

Defined in 1 files as a function:

drivers/i2c/i2c-core-smbus.c, line 555 (as a function)

Referenced in 12 files:

Smatch caller information:

drivers/net/mdio/mdio-i2c.c smbus_byte_mii_read_default_c22() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->bus_lock.dep_map->name	0-255
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.bus_locked	1
PARAM_VALUE	0	adapter->lock_ops	4096-ptr_max
PARAM_VALUE	0	adapter->lock_ops->lock_bus	4096-ptr_max
PARAM_VALUE	2	flags	0
PARAM_VALUE	3	read_write	1
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	1082462348160925696
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
DATA_SOURCE	4	command	$2
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	addr	66-79[c]
USER_DATA	4	command	0-255[c]
UNITS	0	adapter	unit_byte
HALF_LOCKED2		&bus->mdio_lock
HALF_LOCKED2		&priv->bus->mdio_lock

drivers/net/mdio/mdio-i2c.c smbus_byte_mii_read_default_c22() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->bus_lock.dep_map->name	0-255
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.bus_locked	1
PARAM_VALUE	0	adapter->lock_ops	4096-ptr_max
PARAM_VALUE	0	adapter->lock_ops->lock_bus	4096-ptr_max
PARAM_VALUE	2	flags	0
PARAM_VALUE	3	read_write	1
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	1082462348160925696
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
BUF_SIZE	0	adapter	s32min-(-1),1-s32max
DATA_SOURCE	4	command	$2
RX_PATH
TASK_NOT_RUNNING
USER_DATA	1	addr	66-79[c]
USER_DATA	4	command	0-255[c]
UNITS	0	adapter	unit_byte
HALF_LOCKED2		&bus->mdio_lock
HALF_LOCKED2		&priv->bus->mdio_lock

drivers/net/mdio/mdio-i2c.c smbus_byte_mii_write_default_c22() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->bus_lock.dep_map->name	0-255
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.bus_locked	1
PARAM_VALUE	0	adapter->lock_ops	4096-ptr_max
PARAM_VALUE	0	adapter->lock_ops->lock_bus	4096-ptr_max
PARAM_VALUE	2	flags	0
PARAM_VALUE	3	read_write	0
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	1617398281579458560
BUF_SIZE	0	adapter	s32min-(-2),1-s32max
BUF_SIZE	0	adapter	s32min-(-2),1-s32max
DATA_SOURCE	4	command	$2
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	6	data->byte	0-255[c]
USER_DATA	6	data->byte	0-255[c]
UNITS	0	adapter	unit_byte
HALF_LOCKED2		&bus->mdio_lock
HALF_LOCKED2		&bus->mdio_lock
HALF_LOCKED2		&priv->bus->mdio_lock

drivers/net/mdio/mdio-i2c.c smbus_byte_mii_write_default_c22() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->bus_lock.dep_map->name	0-255
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.bus_locked	1
PARAM_VALUE	0	adapter->lock_ops	4096-ptr_max
PARAM_VALUE	0	adapter->lock_ops->lock_bus	4096-ptr_max
PARAM_VALUE	2	flags	0
PARAM_VALUE	3	read_write	0
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	1617398281579458560
BUF_SIZE	0	adapter	s32min-(-2),1-s32max
BUF_SIZE	0	adapter	s32min-(-2),1-s32max
DATA_SOURCE	4	command	$2
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	6	data->byte	0-255
USER_DATA	6	data->byte	0-255[c]
UNITS	0	adapter	unit_byte
HALF_LOCKED2		&bus->mdio_lock
HALF_LOCKED2		&bus->mdio_lock
HALF_LOCKED2		&priv->bus->mdio_lock

drivers/base/regmap/regmap-sccb.c regmap_sccb_read() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->bus_lock.dep_map->name	0-255
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.bus_locked	1
PARAM_VALUE	0	adapter->lock_ops	4096-ptr_max
PARAM_VALUE	0	adapter->lock_ops->lock_bus	4096-ptr_max
PARAM_VALUE	3	read_write	0
PARAM_VALUE	5	protocol	1
PARAM_VALUE	6	data	0
DATA_SOURCE	4	command	$1
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/base/regmap/regmap-sccb.c regmap_sccb_read() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->bus_lock.dep_map->name	0-255
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.bus_locked	1
PARAM_VALUE	0	adapter->lock_ops	4096-ptr_max
PARAM_VALUE	0	adapter->lock_ops->lock_bus	4096-ptr_max
PARAM_VALUE	3	read_write	1
PARAM_VALUE	4	command	0
PARAM_VALUE	5	protocol	1
PARAM_VALUE	6	data	837492449461047296
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/i2c/i2c-core-smbus.c i2c_smbus_xfer() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->debugfs->d_inode->i_rwsem.first_waiter->handoff_set	0-1
PARAM_VALUE	0	adapter->debugfs->d_inode->i_rwsem.first_waiter->type	0-1
PARAM_VALUE	0	adapter->debugfs->d_parent->d_sb->__s_d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	adapter->debugfs->d_parent->d_sb->__s_d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	adapter->debugfs->d_parent->d_sb->__s_d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	adapter->debugfs->d_parent->d_sb->__s_d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	adapter->debugfs->d_parent->d_sb->__s_d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	adapter->debugfs->d_sb->__s_d_op->d_automount	0,2908707185815040000,3401111987815645184,6746145930460459008,7190988915944083456,7386785427940065280,8018779550845526016
PARAM_VALUE	0	adapter->debugfs->d_sb->__s_d_op->d_init	0,2385819921126617088,7057831443282669568,7824184004865302528
PARAM_VALUE	0	adapter->debugfs->d_sb->__s_d_op->d_iput	0,170374395438985216,837750826476904448,5086081384299388928,8216155483032948736
PARAM_VALUE	0	adapter->debugfs->d_sb->__s_d_op->d_manage	0,1859587847549206528
PARAM_VALUE	0	adapter->debugfs->d_sb->__s_d_op->d_prune	0,2225594340392566784,7225953709177749504
PARAM_VALUE	0	adapter->debugfs->d_sb->__s_d_op->d_real	0,4509355519306412032
PARAM_VALUE	0	adapter->debugfs->d_sb->__s_d_op->d_unalias_trylock	0,6635409759016140800
PARAM_VALUE	0	adapter->debugfs->d_sb->__s_d_op->d_unalias_unlock	0,6336447517789900800
PARAM_VALUE	0	adapter->debugfs->d_sb->__s_d_op->d_weak_revalidate	0,1549882712720502784,5632434648052031488,5669063523602272256,7231033168839651328
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.bus_locked	1
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.mutex.dep_map->name	0-255
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.mutex.first_waiter->task->blocked_lock.owner	(-1)
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.mutex.first_waiter->task->blocked_lock.owner_cpu	4294967295
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.mutex.first_waiter->task->usage.refs.counter	s32min-s32max
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	adapter->dev.driver_data->adev->powerplay.pp_handle->msg_lock.osq.tail.counter	0-s32max
PARAM_VALUE	0	adapter->dev.kobj.parent->sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	adapter->dev.kobj.sd->attr.open->nr_mmapped	0-4294967295
PARAM_VALUE	0	adapter->dev.power.wakeirq->status	0-4294967295
PARAM_VALUE	0	adapter->lock_ops	4096-ptr_max
BUF_SIZE	0	adapter	s32min-s32max
BUF_SIZE	0	adapter->algo	(-1),56
BUF_SIZE	0	adapter->dev.parent	(-1),1616
DATA_SOURCE	0	adapter	$0
DATA_SOURCE	1	addr	$1
DATA_SOURCE	2	flags	$2
DATA_SOURCE	3	read_write	$3
DATA_SOURCE	4	command	$4
DATA_SOURCE	5	protocol	$5
DATA_SOURCE	6	data	$6
STR_LEN	0	adapter->dev.driver_data	(-1)
STR_LEN	0	adapter->name	(-1),19,47
NOSPEC	4	command
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	adapter->dev.bus_dma_limit	0-u64max
HOST_DATA	0	adapter->dev.coherent_dma_mask	0-u64max
HOST_DATA	0	adapter->dev.devt	0-u32max
HOST_DATA	0	adapter->dev.dma_uses_io_tlb	0-1
HOST_DATA	0	adapter->dev.id	0-u32max
HOST_DATA	0	adapter->dev.kobj.kref.refcount.refs.counter	s32min-s32max
HOST_DATA	0	adapter->dev.kobj.release.cpu	s32min-s32max
HOST_DATA	0	adapter->dev.kobj.release.timer.expires	0-u64max
HOST_DATA	0	adapter->dev.kobj.release.timer.flags	0-u32max
HOST_DATA	0	adapter->dev.kobj.release.work.data.counter	s64min-s64max
HOST_DATA	0	adapter->dev.kobj.state_add_uevent_sent	0-1
HOST_DATA	0	adapter->dev.kobj.state_in_sysfs	0-1
HOST_DATA	0	adapter->dev.kobj.state_initialized	0-1
HOST_DATA	0	adapter->dev.kobj.state_remove_uevent_sent	0-1
HOST_DATA	0	adapter->dev.kobj.uevent_suppress	0-1
HOST_DATA	0	adapter->dev.links.status	0-u32max
HOST_DATA	0	adapter->dev.mutex.osq.tail.counter	s32min-s32max
HOST_DATA	0	adapter->dev.mutex.owner.counter	s64min-s64max
HOST_DATA	0	adapter->dev.numa_node	s32min-s32max
HOST_DATA	0	adapter->dev.power.accounting_timestamp	0-u64max
HOST_DATA	0	adapter->dev.power.active_time	0-u64max
HOST_DATA	0	adapter->dev.power.async_suspend	0-1
HOST_DATA	0	adapter->dev.power.autosuspend_delay	s32min-s32max
HOST_DATA	0	adapter->dev.power.can_wakeup	0-1
HOST_DATA	0	adapter->dev.power.child_count.counter	s32min-s32max
HOST_DATA	0	adapter->dev.power.completion.done	0-u32max
HOST_DATA	0	adapter->dev.power.deferred_resume	0-1
HOST_DATA	0	adapter->dev.power.detach_power_off	0-1
HOST_DATA	0	adapter->dev.power.direct_complete	0-1
HOST_DATA	0	adapter->dev.power.disable_depth	0-7
HOST_DATA	0	adapter->dev.power.driver_flags	0-u32max
HOST_DATA	0	adapter->dev.power.early_init	0-1
HOST_DATA	0	adapter->dev.power.idle_notification	0-1
HOST_DATA	0	adapter->dev.power.ignore_children	0-1
HOST_DATA	0	adapter->dev.power.in_dpm_list	0-1
HOST_DATA	0	adapter->dev.power.irq_safe	0-1
HOST_DATA	0	adapter->dev.power.is_late_suspended	0-1
HOST_DATA	0	adapter->dev.power.is_noirq_suspended	0-1
HOST_DATA	0	adapter->dev.power.is_prepared	0-1
HOST_DATA	0	adapter->dev.power.is_suspended	0-1
HOST_DATA	0	adapter->dev.power.last_busy	0-u64max
HOST_DATA	0	adapter->dev.power.last_status	s32min-s32max
HOST_DATA	0	adapter->dev.power.links_count	0-u32max
HOST_DATA	0	adapter->dev.power.may_skip_resume	0-1
HOST_DATA	0	adapter->dev.power.memalloc_noio	0-1
HOST_DATA	0	adapter->dev.power.must_resume	0-1
HOST_DATA	0	adapter->dev.power.needs_force_resume	0-1
HOST_DATA	0	adapter->dev.power.no_callbacks	0-1
HOST_DATA	0	adapter->dev.power.no_pm	0-1
HOST_DATA	0	adapter->dev.power.no_pm_callbacks	0-1
HOST_DATA	0	adapter->dev.power.out_band_wakeup	0-1
HOST_DATA	0	adapter->dev.power.power_state.event	s32min-s32max
HOST_DATA	0	adapter->dev.power.request	0-u32max
HOST_DATA	0	adapter->dev.power.request_pending	0-1
HOST_DATA	0	adapter->dev.power.runtime_auto	0-1
HOST_DATA	0	adapter->dev.power.runtime_error	s32min-s32max
HOST_DATA	0	adapter->dev.power.runtime_status	s32min-s32max
HOST_DATA	0	adapter->dev.power.smart_suspend	0-1
HOST_DATA	0	adapter->dev.power.strict_midlayer	0-1
HOST_DATA	0	adapter->dev.power.suspended_time	0-u64max
HOST_DATA	0	adapter->dev.power.syscore	0-1
HOST_DATA	0	adapter->dev.power.timer_autosuspends	0-1
HOST_DATA	0	adapter->dev.power.timer_expires	0-u64max
HOST_DATA	0	adapter->dev.power.usage_count.counter	s32min-s32max
HOST_DATA	0	adapter->dev.power.use_autosuspend	0-1
HOST_DATA	0	adapter->dev.power.work_in_progress	0-1
HOST_DATA	0	adapter->dev.removable	0-u32max
HOST_DATA	4	command	0-255[c]
HOST_DATA	6	data->byte	0-255
USER_DATA	1	addr	66-79[c]
USER_DATA	3	read_write	0
USER_DATA	4	command	0-255
USER_DATA	5	protocol	0
USER_DATA	6	data->byte	0-255
USER_DATA	6	data->word	0-u16max
NO_OVERFLOW_SIMPLE	0	adapter->debugfs->d_fsdata
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size
USER_PTR	6	data->block
HALF_LOCKED2		&data->lock
HALF_LOCKED2		&of->mutex
HALF_LOCKED2		global &devlist

drivers/i2c/muxes/i2c-mux-pca9541.c pca9541_reg_read() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	3	read_write	1
PARAM_VALUE	4	command	1-2
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	5222618222569992192
DATA_SOURCE	4	command	$1
HARD_MAX	4	command	2
RX_PATH
TASK_NOT_RUNNING
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/i2c/muxes/i2c-mux-pca9541.c pca9541_reg_write() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	3	read_write	0
PARAM_VALUE	4	command	1
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	9149136180171374592
PARAM_VALUE	6	data->word	0
DATA_SOURCE	4	command	$1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/iio/chemical/sunrise_co2.c sunrise_regmap_read() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	2	flags	0,4096
PARAM_VALUE	3	read_write	0
PARAM_VALUE	4	command	0
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	6792941406236422144
PARAM_VALUE	6	data->byte	0
PARAM_VALUE	6	data->word	0
FUZZY_MAX	2	flags	4096
BIT_INFO	2	flags	0x0,0x1000
HARD_MAX	2	flags	4096
NOCHECK_CALL
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/iio/chemical/sunrise_co2.c sunrise_regmap_read() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	3	read_write	1
PARAM_VALUE	5	protocol	8
PARAM_VALUE	6	data	6792941406236422144
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/iio/chemical/sunrise_co2.c sunrise_regmap_write() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	2	flags	0,4096
PARAM_VALUE	3	read_write	0
PARAM_VALUE	4	command	0
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	4658773295030267904
PARAM_VALUE	6	data->byte	0
PARAM_VALUE	6	data->word	0
FUZZY_MAX	2	flags	4096
BIT_INFO	2	flags	0x0,0x1000
HARD_MAX	2	flags	4096
NOCHECK_CALL
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/iio/chemical/sunrise_co2.c sunrise_regmap_write() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	3	read_write	0
PARAM_VALUE	5	protocol	8
PARAM_VALUE	6	data	4658773295030267904
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/i2c/i2c-mux.c __i2c_mux_smbus_xfer() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	2	flags	0,4-36884
PARAM_VALUE	6	data->block	4096-ptr_max
DATA_SOURCE	1	addr	$1
DATA_SOURCE	2	flags	$2
DATA_SOURCE	3	read_write	$3
DATA_SOURCE	4	command	$4
DATA_SOURCE	5	protocol	$5
DATA_SOURCE	6	data	$6
BIT_INFO	2	flags	0x0,0x9014
NOSPEC	4	command
NOSPEC	4	command
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	4	command	0-255[c]
HOST_DATA	6	data->byte	0-255
USER_DATA	1	addr	66-79[c]
USER_DATA	3	read_write	0
USER_DATA	4	command	0-255
USER_DATA	5	protocol	0
USER_DATA	6	data->byte	0-255
USER_DATA	6	data->word	0-u16max
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size
UNITS	4	command	unit_byte
USER_PTR	6	data->block

drivers/i2c/muxes/i2c-mux-mlxcpld.c mlxcpld_mux_reg_write() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	3	read_write	0
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	1984065156524744704
DATA_SOURCE	0	adapter	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/watchdog/da9062_wdt.c da9062_wdt_restart() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	3	read_write	0
PARAM_VALUE	4	command	19
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	72207700110204928
PARAM_VALUE	6	data->byte	2
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/watchdog/da9063_wdt.c da9063_wdt_restart() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	3	read_write	0
PARAM_VALUE	4	command	19
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	7169462282106482688
PARAM_VALUE	6	data->byte	2
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/gpu/drm/bridge/sii902x.c sii902x_read_unlocked() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	3	read_write	1
PARAM_VALUE	4	command	26
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	4287674860524412928
DATA_SOURCE	4	command	$1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/gpu/drm/bridge/sii902x.c sii902x_write_unlocked() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	3	read_write	0
PARAM_VALUE	4	command	26
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	7120161135460335616
DATA_SOURCE	4	command	$1
RX_PATH
TASK_NOT_RUNNING
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size

drivers/iio/light/as73211.c as73211_req_data() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	0	adapter	4096-ptr_max
PARAM_VALUE	0	adapter->bus_lock.dep_map->name	0-255
PARAM_VALUE	0	adapter->dev.driver_data->adev->pm.bus_locked	1
PARAM_VALUE	0	adapter->lock_ops	4096-ptr_max
PARAM_VALUE	0	adapter->lock_ops->lock_bus	4096-ptr_max
PARAM_VALUE	3	read_write	0
PARAM_VALUE	4	command	0
PARAM_VALUE	5	protocol	2
PARAM_VALUE	6	data	5921475985763336192
RX_PATH
TASK_NOT_RUNNING
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size
HALF_LOCKED2		&data->mutex
HALF_LOCKED2		_T->lock

drivers/i2c/muxes/i2c-mux-pca954x.c pca954x_reg_write() -> __i2c_smbus_xfer()

Type	Parameter	Key	Value
PARAM_VALUE	3	read_write	0
PARAM_VALUE	5	protocol	1
PARAM_VALUE	6	data	4427491319811375104
DATA_SOURCE	0	adapter	$0
DATA_SOURCE	4	command	$2
RX_PATH
TASK_NOT_RUNNING
UNITS	0	adapter	unit_byte
UNITS	1	addr	unit_array_size