m_can_read 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/net/can/m_can/m_can.c, line 331 (as a function)

Referenced in 1 files:

drivers/net/can/m_can/m_can.c

Smatch caller information:

drivers/net/can/m_can/m_can.c __m_can_get_berr_counter() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	1	reg	64
RX_PATH
TASK_NOT_RUNNING

drivers/net/can/m_can/m_can.c m_can_cccr_update_bits() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	cdev->ops->read_reg	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_reg	4096-ptr_max
PARAM_VALUE	0	*cdev->net->name	0-255
PARAM_VALUE	1	reg	24
BUF_SIZE	0	cdev	s32min-(-1),1-s32max
BUF_SIZE	0	cdev	s32min-(-1),1-s32max
BUF_SIZE	0	cdev->can.bittiming_const	(-1),48
BUF_SIZE	0	cdev->can.fd.data_bittiming_const	(-1),48
BUF_SIZE	0	cdev->cclk	(-1),1-s32max
BUF_SIZE	0	cdev->dev	(-1),1616
BUF_SIZE	0	cdev->ops	(-1),56
BUF_SIZE	0	cdev->rst	(-1),8,280
BUF_SIZE	0	cdev->tx_ops	(-1),104-26520
DATA_SOURCE	0	cdev	$0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	cdev->tx_fifo_putidx	0-u32max[c]
NO_OVERFLOW_SIMPLE	0	cdev->net->irq
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->group
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->irq
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_napi_configs
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_rx_queues
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_tc
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_tx_queues
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->proto_down
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->tx_queue_len

drivers/net/can/m_can/m_can.c m_can_cccr_update_bits() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	cdev->ops	4096-ptr_max
PARAM_VALUE	0	cdev->ops->read_reg	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_reg	4096-ptr_max
PARAM_VALUE	0	*cdev->net->name	0-255
PARAM_VALUE	1	reg	24
BUF_SIZE	0	cdev	s32min-(-1),1-s32max
BUF_SIZE	0	cdev	s32min-(-1),1-s32max
BUF_SIZE	0	cdev->can.bittiming_const	(-1),48
BUF_SIZE	0	cdev->can.fd.data_bittiming_const	(-1),48
BUF_SIZE	0	cdev->cclk	(-1),1-s32max
BUF_SIZE	0	cdev->dev	(-1),1616
BUF_SIZE	0	cdev->ops	(-1),56
BUF_SIZE	0	cdev->rst	(-1),8,280
BUF_SIZE	0	cdev->tx_ops	(-1),104-26520
DATA_SOURCE	0	cdev	$0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	cdev->tx_fifo_putidx	0-u32max[c]
NO_OVERFLOW_SIMPLE	0	cdev->net->irq
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->group
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->irq
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_napi_configs
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_rx_queues
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_tc
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_tx_queues
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->proto_down
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->tx_queue_len

drivers/net/can/m_can/m_can.c m_can_check_core_release() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->dev	4096-ptr_max
PARAM_VALUE	0	cdev->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	cdev->hrtimer._softexpires	0
PARAM_VALUE	0	cdev->hrtimer.base	4096-ptr_max
PARAM_VALUE	0	cdev->hrtimer.function	1-u64max
PARAM_VALUE	0	cdev->hrtimer.is_hard	0
PARAM_VALUE	0	cdev->hrtimer.is_lazy	0
PARAM_VALUE	0	cdev->hrtimer.is_queued	0
PARAM_VALUE	0	cdev->hrtimer.is_rel	0
PARAM_VALUE	0	cdev->hrtimer.is_soft	0
PARAM_VALUE	0	cdev->hrtimer.node.expires	0
PARAM_VALUE	0	cdev->hrtimer.node.node.next	0
PARAM_VALUE	0	cdev->hrtimer.node.node.node.rb_left	0
PARAM_VALUE	0	cdev->hrtimer.node.node.node.rb_right	0
PARAM_VALUE	0	cdev->hrtimer.node.node.prev	0
PARAM_VALUE	0	cdev->mcfg	4096-ptr_max
PARAM_VALUE	0	cdev->net	4096-ptr_max
PARAM_VALUE	0	cdev->net->ml_priv_type	1
PARAM_VALUE	0	cdev->ops	1157739293410570240,8026893639898202112,8395941535299334144
PARAM_VALUE	0	cdev->pinctrl	0,4096-ptr_max
PARAM_VALUE	0	cdev->pm_clock_support	0-1
PARAM_VALUE	0	cdev->pm_wake_source	0-1
PARAM_VALUE	0	cdev->rst	0,4096-ptr_max
PARAM_VALUE	0	cdev->rst->acquired	0-1
PARAM_VALUE	0	cdev->rst->array	0-1
PARAM_VALUE	0	cdev->rst->rcdev	0-s64max
PARAM_VALUE	0	cdev->rst->shared	0-1
PARAM_VALUE	0	cdev->tx_fifo_size	1-255
PARAM_VALUE	0	*cdev->net->name	0
PARAM_VALUE	1	reg	0
BUF_SIZE	0	cdev->cclk	(-1),1-s32max
BUF_SIZE	0	cdev->dev	1616
BUF_SIZE	0	cdev->ops	56
BUF_SIZE	0	cdev->rst	(-1),8,280
BUF_SIZE	0	cdev->tx_ops	(-1),104-26520
CAPPED_DATA	0	cdev->rst->rcdev	1
CAPPED_DATA	0	cdev->tx_fifo_size	1
DATA_SOURCE	0	cdev	$0
HARD_MAX	0	cdev->pm_clock_support	1
MEM_ZERO	0	&cdev->hrtimer
RX_PATH
TASK_NOT_RUNNING
NO_OVERFLOW_SIMPLE	0	cdev->net->irq
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->group
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->irq
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_napi_configs
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_rx_queues
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->num_tx_queues
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->proto_down
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->real_num_tx_queues
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->stats.tx_bytes
NO_OVERFLOW_SIMPLE	0	cdev->offload.dev->tx_queue_len

drivers/net/can/m_can/m_can.c m_can_chip_config() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->mcfg	4096-ptr_max
PARAM_VALUE	0	cdev->ops	4096-ptr_max
PARAM_VALUE	0	cdev->ops->read_reg	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_reg	4096-ptr_max
PARAM_VALUE	1	reg	24
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dev->ethtool->rss_lock
HALF_LOCKED2		&dev->lock

drivers/net/can/m_can/m_can.c m_can_chip_config() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->mcfg	4096-ptr_max
PARAM_VALUE	0	cdev->ops	4096-ptr_max
PARAM_VALUE	0	cdev->ops->read_reg	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_reg	4096-ptr_max
PARAM_VALUE	1	reg	16
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dev->ethtool->rss_lock
HALF_LOCKED2		&dev->lock

drivers/net/can/m_can/m_can.c m_can_do_rx_poll() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	1	reg	164
RX_PATH
TASK_NOT_RUNNING

drivers/net/can/m_can/m_can.c m_can_echo_tx_event() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	1	reg	244
RX_PATH
TASK_NOT_RUNNING

drivers/net/can/m_can/m_can.c m_can_get_timestamp() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->is_peripheral	s32min-(-1),1-s32max
PARAM_VALUE	0	cdev->ops->clear_interrupts	0,4623121929683243008
PARAM_VALUE	0	cdev->ops->read_reg	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_reg	4096-ptr_max
PARAM_VALUE	1	reg	36
DATA_SOURCE	0	cdev	$0
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	cdev->irqstatus	1-u32max

drivers/net/can/m_can/m_can.c m_can_handle_state_change() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->ops	4096-ptr_max
PARAM_VALUE	0	cdev->ops->read_reg	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_reg	4096-ptr_max
PARAM_VALUE	0	*cdev->net->name	0-255
PARAM_VALUE	1	reg	64
RX_PATH
TASK_NOT_RUNNING

drivers/net/can/m_can/m_can.c m_can_interrupt_handler() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->dev	4096-ptr_max
PARAM_VALUE	0	cdev->ops->read_reg	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_reg	4096-ptr_max
PARAM_VALUE	1	reg	80
DATA_SOURCE	0	cdev	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		irq

drivers/net/can/m_can/m_can.c m_can_interrupt_handler() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->dev	4096-ptr_max
PARAM_VALUE	0	cdev->irq_edge_triggered	1
PARAM_VALUE	0	cdev->ops	4096-ptr_max
PARAM_VALUE	0	cdev->ops->read_reg	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_reg	4096-ptr_max
PARAM_VALUE	1	reg	80
DATA_SOURCE	0	cdev	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		irq

drivers/net/can/m_can/m_can.c m_can_poll() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	1	reg	80
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		bh
HALF_LOCKED2		rcu_read

drivers/net/can/m_can/m_can.c m_can_rx_handler() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->version	s32min-31
PARAM_VALUE	1	reg	64
FUZZY_MAX	0	cdev->version	31
HARD_MAX	0	cdev->version	31
RX_PATH
TASK_NOT_RUNNING

drivers/net/can/m_can/m_can.c m_can_rx_handler() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->active_interrupts	0-4294967295
PARAM_VALUE	0	cdev->can.can_stats.bus_off	0-4294967295
PARAM_VALUE	0	cdev->can.can_stats.error_passive	0-4294967295
PARAM_VALUE	0	cdev->can.can_stats.error_warning	0-4294967295
PARAM_VALUE	0	cdev->can.state	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->csum	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->data_len	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->end	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->hash	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->len	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->mark	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->napi_id	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->priority	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->reserved_tailroom	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->secmark	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->sender_cpu	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->tail	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->truesize	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.prev->vlan_all	0-4294967295
PARAM_VALUE	0	cdev->offload.skb_irq_queue.qlen	0-4294967295
PARAM_VALUE	0	cdev->ops	4096-ptr_max
PARAM_VALUE	0	cdev->ops->read_reg	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_reg	4096-ptr_max
PARAM_VALUE	1	reg	68
RX_PATH
TASK_NOT_RUNNING

drivers/net/can/m_can/m_can.c m_can_start() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->active_interrupts	0
PARAM_VALUE	0	cdev->can.state	0-3
PARAM_VALUE	0	cdev->hrtimer.base->active.rb_root.rb_leftmost->node.__rb_parent_color	1
PARAM_VALUE	0	cdev->hrtimer.is_rel	0
PARAM_VALUE	0	cdev->hrtimer.node.node.node.__rb_parent_color	1
PARAM_VALUE	0	cdev->hrtimer.node.node.node.rb_left	4096-ptr_max
PARAM_VALUE	0	cdev->hrtimer.node.node.node.rb_right	4096-ptr_max
PARAM_VALUE	0	cdev->net	4096-ptr_max
PARAM_VALUE	0	cdev->ops	4096-ptr_max
PARAM_VALUE	0	cdev->ops->read_reg	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_reg	4096-ptr_max
PARAM_VALUE	0	cdev->version	31-s32max
PARAM_VALUE	0	*cdev->net->name	0
PARAM_VALUE	1	reg	196
FUZZY_MAX	0	cdev->version	31
RX_PATH
TASK_NOT_RUNNING

drivers/net/can/m_can/m_can.c m_can_state_get_by_psr() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	cdev->ops->init	0,8359077795155763200
PARAM_VALUE	1	reg	68
BUF_SIZE	0	cdev	s32min-(-1),1-s32max
BUF_SIZE	0	cdev	s32min-(-1),1-s32max
DATA_SOURCE	0	cdev	$0
RX_PATH
TASK_NOT_RUNNING
UNITS	0	cdev	unit_byte

drivers/net/can/m_can/m_can.c m_can_tx_handler() -> m_can_read()

Type	Parameter	Key	Value
PARAM_VALUE	0	cdev	4096-ptr_max
PARAM_VALUE	0	cdev->can.ctrlmode	32-u32max
PARAM_VALUE	0	cdev->net	4096-ptr_max
PARAM_VALUE	0	cdev->ops	4096-ptr_max
PARAM_VALUE	0	cdev->ops->write_fifo	4096-ptr_max
PARAM_VALUE	0	cdev->version	30
PARAM_VALUE	1	reg	24
DATA_SOURCE	0	cdev	$0
BIT_INFO	0	cdev->can.ctrlmode	0x20,0xffffffff
RX_PATH
TASK_NOT_RUNNING