npcm_i2c_clear_rx_fifo 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/i2c/busses/i2c-npcm7xx.c, line 759 (as a function)

Referenced in 1 files:

drivers/i2c/busses/i2c-npcm7xx.c

Smatch caller information:

drivers/i2c/busses/i2c-npcm7xx.c npcm_i2c_int_slave_handler() -> npcm_i2c_clear_rx_fifo()

Type	Parameter	Key	Value
PARAM_VALUE	0	bus	4096-ptr_max
PARAM_VALUE	0	bus->adap.quirks	4096-ptr_max
PARAM_VALUE	0	bus->fifo_use	1
PARAM_VALUE	0	bus->master_or_slave	1
PARAM_VALUE	0	bus->operation	0
PARAM_VALUE	0	bus->own_slave_addr	255
PARAM_VALUE	0	bus->reg	4096-ptr_max
PARAM_VALUE	0	bus->slave	4096-ptr_max
PARAM_VALUE	0	bus->slave->dev.driver_data->alert_done.wait.lock.owner	(-1)
PARAM_VALUE	0	bus->slave->dev.driver_data->alert_done.wait.lock.owner_cpu	4294967295
PARAM_VALUE	0	bus->slave->dev.driver_data->block_num	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->buffer_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->got_rsp.count	0-4294967295
PARAM_VALUE	0	bus->slave->dev.driver_data->got_rsp.first_waiter->up	0-1
PARAM_VALUE	0	bus->slave->dev.driver_data->input->num_vals	0-4294967294
PARAM_VALUE	0	bus->slave->dev.driver_data->input->timer.flags	0-4294967295
PARAM_VALUE	0	bus->slave->dev.driver_data->intf->xmit_msgs_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->nbytes_processed	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->pec_support	0-1
PARAM_VALUE	0	bus->slave->dev.driver_data->remain_len	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->request_queue_len.counter	s32min-s32max
PARAM_VALUE	0	bus->slave->dev.driver_data->sel->ndev->refcnt_tracker.no_tracker.refs.counter	s32min-s32max
PARAM_VALUE	0	bus->slave->dev.driver_data->sel->rx_done.done	0-4294967295
PARAM_VALUE	0	bus->slave->dev.driver_data->sel_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->worker.cpu	s32min-s32max
PARAM_VALUE	0	bus->slave->slave_cb	4096-ptr_max
PARAM_VALUE	0	bus->slv_rd_ind	0
PARAM_VALUE	0	bus->slv_rd_size	0-u16max
PARAM_VALUE	0	bus->stop_ind	0
PARAM_VALUE	0	*bus->slave->dev.driver_data->request.payload	0-255
DATA_SOURCE	0	bus	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	bus->slave->dev.driver_data->buffer_idx	0-u16max
HOST_DATA	0	bus->slave->dev.driver_data->part_buf.address	0-255
HOST_DATA	0	bus->slave->dev.driver_data->part_buf.length	0-255
HOST_DATA	0	bus->slave->dev.platform_data->addr	0-255
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq

drivers/i2c/busses/i2c-npcm7xx.c npcm_i2c_int_slave_handler() -> npcm_i2c_clear_rx_fifo()

Type	Parameter	Key	Value
PARAM_VALUE	0	bus	4096-ptr_max
PARAM_VALUE	0	bus->master_or_slave	1
PARAM_VALUE	0	bus->reg	4096-ptr_max
PARAM_VALUE	0	bus->slave	1-u64max
DATA_SOURCE	0	bus	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	bus->slave->dev.driver_data->buffer_idx	0-u16max
HOST_DATA	0	bus->slave->dev.driver_data->part_buf.address	0-255
HOST_DATA	0	bus->slave->dev.driver_data->part_buf.length	0-255
HOST_DATA	0	bus->slave->dev.platform_data->addr	0-255
HOST_DATA	0	bus->slv_rd_size	1-257[c]
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq

drivers/i2c/busses/i2c-npcm7xx.c npcm_i2c_master_stop() -> npcm_i2c_clear_rx_fifo()

Type	Parameter	Key	Value
PARAM_VALUE	0	bus	4096-ptr_max
PARAM_VALUE	0	bus->fifo_use	1
PARAM_VALUE	0	bus->operation	2
PARAM_VALUE	0	bus->reg	4096-ptr_max
DATA_SOURCE	0	bus	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/i2c/busses/i2c-npcm7xx.c npcm_i2c_recovery_tgclk() -> npcm_i2c_clear_rx_fifo()

Type	Parameter	Key	Value
PARAM_VALUE	0	bus	4096-ptr_max
PARAM_VALUE	0	bus->reg	4096-ptr_max
PARAM_VALUE	0	bus->state	1
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL

drivers/i2c/busses/i2c-npcm7xx.c npcm_i2c_reg_slave() -> npcm_i2c_clear_rx_fifo()

Type	Parameter	Key	Value
PARAM_VALUE	0	bus	4096-ptr_max
PARAM_VALUE	0	bus->PEC_mask	0
PARAM_VALUE	0	bus->dev	0,4096-ptr_max
PARAM_VALUE	0	bus->dev->bus	0,4096-ptr_max
PARAM_VALUE	0	bus->dev->class	0,4096-ptr_max
PARAM_VALUE	0	bus->dev->driver	0,4096-ptr_max
PARAM_VALUE	0	bus->int_time_stamp	0
PARAM_VALUE	0	bus->master_or_slave	1
PARAM_VALUE	0	bus->rd_ind	0
PARAM_VALUE	0	bus->rd_size	0
PARAM_VALUE	0	bus->read_block_use	0
PARAM_VALUE	0	bus->reg	4096-ptr_max
PARAM_VALUE	0	bus->slave	4096-ptr_max
PARAM_VALUE	0	bus->slave->adapter	4096-ptr_max
PARAM_VALUE	0	bus->slave->flags	32-u16max
PARAM_VALUE	0	bus->slave->slave_cb	4096-ptr_max
PARAM_VALUE	0	bus->slv_rd_ind	0
PARAM_VALUE	0	bus->slv_rd_size	0
PARAM_VALUE	0	bus->slv_wr_ind	0
PARAM_VALUE	0	bus->slv_wr_size	0
PARAM_VALUE	0	bus->stop_ind	0
PARAM_VALUE	0	bus->wr_ind	0
PARAM_VALUE	0	bus->wr_size	0
BUF_SIZE	0	bus	s32min-(-2),1-s32max
BUF_SIZE	0	bus	s32min-(-2),1-s32max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
NO_OVERFLOW_SIMPLE	0	bus->slave->irq
UNITS	0	bus	unit_byte
LOCK2		lock_flags
LOCK2	0	&bus->lock
HALF_LOCKED2		global &driver_clients_lock
TYPE_LOCK		(struct npcm_i2c)->lock

drivers/i2c/busses/i2c-npcm7xx.c npcm_i2c_set_fifo() -> npcm_i2c_clear_rx_fifo()

Type	Parameter	Key	Value
PARAM_VALUE	0	bus	4096-ptr_max
PARAM_VALUE	0	bus->fifo_use	1
PARAM_VALUE	0	bus->reg	4096-ptr_max
DATA_SOURCE	0	bus	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	bus->rd_size	2-33[c]

drivers/i2c/busses/i2c-npcm7xx.c npcm_i2c_slave_receive() -> npcm_i2c_clear_rx_fifo()

Type	Parameter	Key	Value
PARAM_VALUE	0	bus	4096-ptr_max
PARAM_VALUE	0	bus->adap.quirks	4096-ptr_max
PARAM_VALUE	0	bus->data	4096-ptr_max
PARAM_VALUE	0	bus->master_or_slave	1
PARAM_VALUE	0	bus->operation	2
PARAM_VALUE	0	bus->reg	4096-ptr_max
PARAM_VALUE	0	bus->slave	4096-ptr_max
PARAM_VALUE	0	bus->slave->dev.driver_data->aborting	0-1
PARAM_VALUE	0	bus->slave->dev.driver_data->alert_done.done	0-4294967295
PARAM_VALUE	0	bus->slave->dev.driver_data->block_num	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->buffer_idx	0-u16max
PARAM_VALUE	0	bus->slave->dev.driver_data->busy	0-1
PARAM_VALUE	0	bus->slave->dev.driver_data->curr_seq	0-63
PARAM_VALUE	0	bus->slave->dev.driver_data->got_rsp.count	0-4294967295
PARAM_VALUE	0	bus->slave->dev.driver_data->got_rsp.lock.dep_map->name	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->got_rsp.lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	bus->slave->dev.driver_data->idx	0-11,255
PARAM_VALUE	0	bus->slave->dev.driver_data->idx_write_cnt	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->input->grab->private->inactivity_work.timer.flags	0-4294967295
PARAM_VALUE	0	bus->slave->dev.driver_data->input->grab->private->inactivity_work.timer.is_hard	0-1
PARAM_VALUE	0	bus->slave->dev.driver_data->input->grab->private->inactivity_work.timer.is_lazy	0-1
PARAM_VALUE	0	bus->slave->dev.driver_data->input->grab->private->inactivity_work.timer.is_soft	0-1
PARAM_VALUE	0	bus->slave->dev.driver_data->input->timer.flags	0-4294967295
PARAM_VALUE	0	bus->slave->dev.driver_data->intf->waiting_rcv_msgs_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->intf->xmit_msgs_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->msg_idx	0-238
PARAM_VALUE	0	bus->slave->dev.driver_data->nbytes_processed	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->overrun	0-1
PARAM_VALUE	0	bus->slave->dev.driver_data->part_buf.address	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->part_buf.index	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->part_buf.length	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->part_buf.pec	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->part_buf.smbus_cmd	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->pec_support	0-1
PARAM_VALUE	0	bus->slave->dev.driver_data->rcvlen	0-277
PARAM_VALUE	0	bus->slave->dev.driver_data->read_idx	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->reg_idx	0-5
PARAM_VALUE	0	bus->slave->dev.driver_data->remain_len	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->request.len	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->request_available	1
PARAM_VALUE	0	bus->slave->dev.driver_data->request_queue_len.counter	s32min-s32max
PARAM_VALUE	0	bus->slave->dev.driver_data->response_timer_inited	1
PARAM_VALUE	0	bus->slave->dev.driver_data->sel->rx_done.done	0-4294967295
PARAM_VALUE	0	bus->slave->dev.driver_data->sel->rx_done.wait.lock.dep_map->name	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->sel->rx_done.wait.lock.raw_lock.val.counter	0-s32max
PARAM_VALUE	0	bus->slave->dev.driver_data->sel->rx_pos	0-259
PARAM_VALUE	0	bus->slave->dev.driver_data->sel_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	bus->slave->dev.driver_data->state	0-4294967295
PARAM_VALUE	0	bus->slave->dev.driver_data->worker.cpu	s32min-s32max
PARAM_VALUE	0	bus->slave->slave_cb	4096-ptr_max
PARAM_VALUE	0	bus->slv_rd_ind	0
PARAM_VALUE	0	bus->slv_rd_size	0-u16max
PARAM_VALUE	0	bus->slv_wr_ind	0
PARAM_VALUE	0	bus->slv_wr_size	0
PARAM_VALUE	0	bus->state	4
PARAM_VALUE	0	bus->stop_ind	1
PARAM_VALUE	0	*bus->slave->dev.driver_data->buffer	0-255
PARAM_VALUE	0	*bus->slave->dev.driver_data->command	0-255
PARAM_VALUE	0	*bus->slave->dev.driver_data->part_buf.payload	0-255
PARAM_VALUE	0	*bus->slave->dev.driver_data->rcvmsg	0-255
PARAM_VALUE	0	*bus->slave->dev.driver_data->regs	0-255
PARAM_VALUE	0	*bus->slave->dev.driver_data->sel->ndev->pcpu_refcnt	s32min-s32max
PARAM_VALUE	0	*bus->slave->dev.driver_data->sel->rx_buffer	0-255
PARAM_VALUE	0	*bus->slv_rd_buf	0-255
DATA_SOURCE	0	bus	$0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	bus->own_slave_addr	0-127[c]
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags

drivers/i2c/busses/i2c-npcm7xx.c npcm_i2c_slave_send_rd_buf() -> npcm_i2c_clear_rx_fifo()

Type	Parameter	Key	Value
PARAM_VALUE	0	bus	4096-ptr_max
PARAM_VALUE	0	bus->adap.quirks	4096-ptr_max
PARAM_VALUE	0	bus->master_or_slave	1
PARAM_VALUE	0	bus->reg	4096-ptr_max
PARAM_VALUE	0	bus->slave	1-u64max
PARAM_VALUE	0	bus->slv_rd_ind	0
PARAM_VALUE	0	bus->slv_rd_size	0-u16max
PARAM_VALUE	0	bus->stop_ind	1,5
DATA_SOURCE	0	bus	$0
HARD_MAX	0	bus->stop_ind	5
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	bus->own_slave_addr	0-127[c]
HOST_DATA	0	bus->slave->dev.driver_data->buffer_idx	0-u16max
HOST_DATA	0	bus->slave->dev.driver_data->part_buf.address	0-255
HOST_DATA	0	bus->slave->dev.driver_data->part_buf.length	0-255
HOST_DATA	0	bus->slave->dev.platform_data->addr	0-255
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags