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Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 2 files:

Smatch caller information:

drivers/tty/serial/8250/8250_port.c autoconfig() -> serial8250_clear_fifos()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
PARAM_VALUE 0 p->bugs 0-1
PARAM_VALUE 0 p->gpios 0,4096-ptr_max
PARAM_VALUE 0 p->port->membase 0-255
PARAM_VALUE 0 p->port.cons 0,4096-ptr_max
PARAM_VALUE 0 p->port.fifosize 0-u16max
PARAM_VALUE 0 p->port.private_data->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 p->port.serial_in 4096-ptr_max
PARAM_VALUE 0 p->port.serial_out 4096-ptr_max
PARAM_VALUE 0 p->port.type 1-4,6-8,10-15,19,30
PARAM_VALUE 0 p->tx_loadsz 0-1,8,16,32,63-64,128,256,1024,2048
DATA_SOURCE 0 p $0
FUZZY_MAX 0 p->bugs 0
FUZZY_MAX 0 p->port.type 3
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &port->lock
LOCK2 flags
HALF_LOCKED2 _T->lock
TYPE_LOCK (struct uart_port)->lock

drivers/tty/serial/8250/8250_port.c do_set_rxtrig() -> serial8250_clear_fifos()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
DATA_SOURCE 0 p r up_to_u8250p
BIT_INFO 0 p->capabilities 0x100,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &of->mutex
LOCK2 &port->mutex
HALF_LOCKED2 &of->prealloc_mutex
HALF_LOCKED2 &pool->lock
TYPE_LOCK (struct kernfs_open_file)->mutex
TYPE_LOCK (struct tty_port)->mutex

drivers/tty/serial/8250/8250_port.c serial8250_clear_and_reinit_fifos() -> serial8250_clear_fifos()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
PARAM_VALUE 0 p->port.dev->power.wakeirq->status 0-4294967295
BUF_SIZE 0 p s32min-(-1),1-s32max
BUF_SIZE 0 p s32min-(-1),1-s32max
BUF_SIZE 0 p->em485 (-1),184
DATA_SOURCE 0 p $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 0 p->acr 0-255
HOST_DATA 0 p->bugs 0-u16max
HOST_DATA 0 p->canary 0-255
HOST_DATA 0 p->capabilities 0-u32max
HOST_DATA 0 p->cur_iotype 0-255
HOST_DATA 0 p->fcr 0-255
HOST_DATA 0 p->ier 8-255
HOST_DATA 0 p->lcr 0-255
HOST_DATA 0 p->lsr_save_mask 0-u16max
HOST_DATA 0 p->lsr_saved_flags 0-u16max
HOST_DATA 0 p->mcr 0-255
HOST_DATA 0 p->msr_saved_flags 0-255[c]
HOST_DATA 0 p->overrun_backoff.cpu s32min-s32max
HOST_DATA 0 p->overrun_backoff.timer.expires 0-u64max
HOST_DATA 0 p->overrun_backoff.timer.flags 0-u32max
HOST_DATA 0 p->overrun_backoff.work.data.counter s64min-s64max
HOST_DATA 0 p->overrun_backoff_time_ms 1-u32max
HOST_DATA 0 p->port.cons_flow 0-1
HOST_DATA 0 p->port.console_reinit 0-255
HOST_DATA 0 p->port.ctrl_id 0-u32max
HOST_DATA 0 p->port.custom_divisor 0-u32max
HOST_DATA 0 p->port.fifosize 0-u32max
HOST_DATA 0 p->port.flags 0-u64max
HOST_DATA 0 p->port.frame_time 0-u32max
HOST_DATA 0 p->port.has_sysrq 0-255
HOST_DATA 0 p->port.hub6 0-255
HOST_DATA 0 p->port.hw_stopped 0
HOST_DATA 0 p->port.icount.brk 0-u32max
HOST_DATA 0 p->port.icount.buf_overrun 0-u32max
HOST_DATA 0 p->port.icount.cts 0-u32max
HOST_DATA 0 p->port.icount.dcd 0-u32max
HOST_DATA 0 p->port.icount.dsr 0-u32max
HOST_DATA 0 p->port.icount.frame 0-u32max
HOST_DATA 0 p->port.icount.overrun 0-u32max
HOST_DATA 0 p->port.icount.parity 0-u32max
HOST_DATA 0 p->port.icount.rng 0-u32max
HOST_DATA 0 p->port.icount.rx 0-u32max
HOST_DATA 0 p->port.icount.tx 0-u32max
HOST_DATA 0 p->port.ignore_status_mask 0-u32max
HOST_DATA 0 p->port.iobase 0-u64max
HOST_DATA 0 p->port.iotype s32min-s32max
HOST_DATA 0 p->port.irq 0-u32max
HOST_DATA 0 p->port.irqflags 0-u64max
HOST_DATA 0 p->port.iso7816.clk 0-u32max
HOST_DATA 0 p->port.iso7816.flags 0-u32max
HOST_DATA 0 p->port.iso7816.sc_di 0-u32max
HOST_DATA 0 p->port.iso7816.sc_fi 0-u32max
HOST_DATA 0 p->port.iso7816.tg 0-u32max
HOST_DATA 0 p->port.line 0-u32max
HOST_DATA 0 p->port.mapbase 0-u64max
HOST_DATA 0 p->port.mapsize 0-u64max
HOST_DATA 0 p->port.mctrl 0-u32max
HOST_DATA 0 p->port.minor 0-u32max
HOST_DATA 0 p->port.port_id 0-u32max
HOST_DATA 0 p->port.quirks 0-255
HOST_DATA 0 p->port.read_status_mask 0-u32max
HOST_DATA 0 p->port.regshift 0-255
HOST_DATA 0 p->port.rs485.addr_dest 0-255
HOST_DATA 0 p->port.rs485.addr_recv 0-255
HOST_DATA 0 p->port.rs485.delay_rts_after_send 0-u32max
HOST_DATA 0 p->port.rs485.delay_rts_before_send 0-u32max
HOST_DATA 0 p->port.rs485.flags 0-u32max
HOST_DATA 0 p->port.rs485_supported.addr_dest 0-255
HOST_DATA 0 p->port.rs485_supported.addr_recv 0-255
HOST_DATA 0 p->port.rs485_supported.delay_rts_after_send 0-u32max
HOST_DATA 0 p->port.rs485_supported.delay_rts_before_send 0-u32max
HOST_DATA 0 p->port.rs485_supported.flags 0-u32max
HOST_DATA 0 p->port.state->port.buf.tail->next->size 0,256-u32max[c]
HOST_DATA 0 p->port.state->port.buf.tail->size 0,256-u32max[c]
HOST_DATA 0 p->port.status 0-u32max
HOST_DATA 0 p->port.suspended 0-255
HOST_DATA 0 p->port.sysrq 0-u64max
HOST_DATA 0 p->port.sysrq_ch 0-255
HOST_DATA 0 p->port.sysrq_seq 0-255
HOST_DATA 0 p->port.type 0-u32max
HOST_DATA 0 p->port.uartclk 0-u32max
HOST_DATA 0 p->port.x_char 0
HOST_DATA 0 p->probe 0-255
HOST_DATA 0 p->rpm_tx_active 0-u32max
HOST_DATA 0 p->timer.expires 0-u64max
HOST_DATA 0 p->timer.flags 0-u32max
HOST_DATA 0 p->tx_loadsz 0-u32max
UNITS 0 p unit_byte
HALF_LOCKED2 &port->lock
HALF_LOCKED2 0 &p->port.lock

drivers/tty/serial/8250/8250_port.c serial8250_do_shutdown() -> serial8250_clear_fifos()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
PARAM_VALUE 0 p->dma 0
PARAM_VALUE 0 p->ier 0
PARAM_VALUE 0 p->port.dev->power.wakeirq->status 0-4294967295
DATA_SOURCE 0 p r up_to_u8250p
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &_T->lock->lock
LOCK2 _T->flags
LOCK2 _T->lock

drivers/tty/serial/8250/8250_port.c serial8250_do_startup() -> serial8250_clear_fifos()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
PARAM_VALUE 0 p->mcr 0
PARAM_VALUE 0 p->port.dev->power.request 0-4
PARAM_VALUE 0 p->port.dev->power.runtime_error s32min-(-17),(-15)-(-14),(-12),(-10)-s32max
PARAM_VALUE 0 p->port.dev->power.wakeirq->status 0-4294967295
DATA_SOURCE 0 p r up_to_u8250p
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 _T->lock

drivers/tty/serial/8250/8250_dw.c dw8250_idle_enter() -> serial8250_clear_fifos()

Type Parameter Key Value
PARAM_VALUE 0 p 4096-ptr_max
PARAM_VALUE 0 p->dma 0,4096-ptr_max
DATA_SOURCE 0 p r up_to_u8250p
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &_T->lock->lock
HALF_LOCKED2 _T->flags