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Defined in 1 files as a function:

Referenced in 7 files:

Smatch caller information:

drivers/tty/serial/8250/8250_pericom.c pericom_do_set_divisor() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
PARAM_VALUE 1 value 1
DATA_SOURCE 0 up r up_to_u8250p
BIT_INFO 0 up 0x3a6ec5f9924f9000,0xffffffffffffffff
BIT_INFO 0 up 0x3a6ec5f9924f9000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2 &_T->lock->lock
HALF_LOCKED2 _T->flags

drivers/tty/serial/8250/8250_omap.c omap8250_restore_regs() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
PARAM_VALUE 0 up->dma 0,4096-ptr_max
PARAM_VALUE 0 up->gpios 0,4096-ptr_max
PARAM_VALUE 0 up->port->membase 0-255
PARAM_VALUE 0 up->port.dev->power.wakeirq->status 0-4294967295
PARAM_VALUE 0 up->port.private_data->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 up->port.serial_in 4096-ptr_max
PARAM_VALUE 0 up->port.serial_out 4096-ptr_max
BUF_SIZE 0 up s32min-(-1),1-s32max
BUF_SIZE 0 up s32min-(-1),1-s32max
DATA_SOURCE 0 up $0
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS 0 up unit_byte
HALF_LOCKED2 &_T->lock->lock
HALF_LOCKED2 &port->lock
HALF_LOCKED2 _T->flags
HALF_LOCKED2 irq
HALF_LOCKED2 0 &up->port.lock

drivers/tty/serial/8250/8250_mxpcie.c mxpcie8250_software_break_ctl() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
PARAM_VALUE 0 up->port->membase 0-255
PARAM_VALUE 0 up->port.private_data->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 up->port.serial_out 4096-ptr_max
PARAM_VALUE 1 value 0
DATA_SOURCE 0 up r up_to_u8250p
BIT_INFO 0 up 0x56ca104d7de3c000,0xffffffffffffffff
BIT_INFO 0 up 0x56ca104d7de3c000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &_T->lock->lock
LOCK2 _T->flags
LOCK2 _T->lock
HALF_LOCKED2 &pool->lock
HALF_LOCKED2 &tty->atomic_write_lock

drivers/tty/serial/8250/8250_port.c autoconfig_16550a() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
PARAM_VALUE 0 up->bugs 0
PARAM_VALUE 0 up->capabilities 256
PARAM_VALUE 0 up->dl_read 4096-ptr_max
PARAM_VALUE 0 up->dl_write 4096-ptr_max
PARAM_VALUE 0 up->gpios 0,4096-ptr_max
PARAM_VALUE 0 up->port->membase 0-255
PARAM_VALUE 0 up->port.cons 0,4096-ptr_max
PARAM_VALUE 0 up->port.private_data->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 up->port.serial_in 4096-ptr_max
PARAM_VALUE 0 up->port.serial_out 4096-ptr_max
PARAM_VALUE 0 up->port.type 4
DATA_SOURCE 0 up $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 value 0-u16max
LOCK2 &port->lock
LOCK2 flags
HALF_LOCKED2 _T->lock
TYPE_LOCK (struct uart_port)->lock

drivers/tty/serial/8250/8250_port.c autoconfig_read_divisor_id() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
PARAM_VALUE 0 up->bugs 0
PARAM_VALUE 0 up->capabilities 256,1792
PARAM_VALUE 0 up->dl_read 4096-ptr_max
PARAM_VALUE 0 up->gpios 0,4096-ptr_max
PARAM_VALUE 0 up->port.cons 0,4096-ptr_max
PARAM_VALUE 0 up->port.private_data->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 up->port.serial_in 4096-ptr_max
PARAM_VALUE 0 up->port.serial_out 4096-ptr_max
PARAM_VALUE 0 up->port.type 4
PARAM_VALUE 1 value 0
DATA_SOURCE 0 up $0
HARD_MAX 0 up->capabilities 1792
PREEMPT_ADD
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 autoconfig_read_divisor_id() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
PARAM_VALUE 0 up->bugs 0
PARAM_VALUE 0 up->capabilities 256,1792
PARAM_VALUE 0 up->dl_read 4096-ptr_max
PARAM_VALUE 0 up->dl_write 4096-ptr_max
PARAM_VALUE 0 up->gpios 0,4096-ptr_max
PARAM_VALUE 0 up->port.cons 0,4096-ptr_max
PARAM_VALUE 0 up->port.private_data->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 up->port.serial_in 4096-ptr_max
PARAM_VALUE 0 up->port.serial_out 4096-ptr_max
PARAM_VALUE 0 up->port.type 4
DATA_SOURCE 0 up $0
DATA_SOURCE 1 value r serial_dl_read
HARD_MAX 0 up->capabilities 1792
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 value 0-u32max
LOCK2 &port->lock
LOCK2 flags
HALF_LOCKED2 _T->lock
TYPE_LOCK (struct uart_port)->lock

drivers/tty/serial/8250/8250_port.c serial8250_do_set_divisor() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
DATA_SOURCE 0 up r up_to_u8250p
DATA_SOURCE 1 value $2
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 value 0-u32max[c]
USER_DATA 1 value 0-u32max[c]
HALF_LOCKED2 &_T->lock->lock
HALF_LOCKED2 _T->flags

drivers/tty/serial/8250/8250_port.c size_fifo() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
PARAM_VALUE 0 up->bugs 0
PARAM_VALUE 0 up->capabilities 256,1792
PARAM_VALUE 0 up->dl_read 4096-ptr_max
PARAM_VALUE 0 up->dl_write 4096-ptr_max
PARAM_VALUE 0 up->gpios 0,4096-ptr_max
PARAM_VALUE 0 up->port->membase 0-255
PARAM_VALUE 0 up->port.cons 0,4096-ptr_max
PARAM_VALUE 0 up->port.private_data->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 up->port.serial_in 4096-ptr_max
PARAM_VALUE 0 up->port.serial_out 4096-ptr_max
PARAM_VALUE 0 up->port.type 4
PARAM_VALUE 1 value 1
DATA_SOURCE 0 up $0
HARD_MAX 0 up->capabilities 1792
PREEMPT_ADD
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 size_fifo() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
PARAM_VALUE 0 up->bugs 0
PARAM_VALUE 0 up->capabilities 256,1792
PARAM_VALUE 0 up->dl_read 4096-ptr_max
PARAM_VALUE 0 up->dl_write 4096-ptr_max
PARAM_VALUE 0 up->gpios 0,4096-ptr_max
PARAM_VALUE 0 up->port->membase 0-255
PARAM_VALUE 0 up->port.cons 0,4096-ptr_max
PARAM_VALUE 0 up->port.private_data->lock.rlock.dep_map->name 0-255
PARAM_VALUE 0 up->port.serial_in 4096-ptr_max
PARAM_VALUE 0 up->port.serial_out 4096-ptr_max
PARAM_VALUE 0 up->port.type 4
DATA_SOURCE 0 up $0
DATA_SOURCE 1 value r serial_dl_read
HARD_MAX 0 up->capabilities 1792
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 value 0-u32max
LOCK2 &port->lock
LOCK2 flags
HALF_LOCKED2 _T->lock
TYPE_LOCK (struct uart_port)->lock

drivers/tty/serial/8250/8250_mtk.c mtk8250_set_termios() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
DATA_SOURCE 0 up r up_to_u8250p
BIT_INFO 0 up 0x193f07b2658dc000,0xffffffffffffffff
BIT_INFO 0 up 0x193f07b2658dc000,0xffffffffffffffff
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 &port->lock
LOCK2 flags
HALF_LOCKED2 &port->mutex
HALF_LOCKED2 _T->lock
HALF_LOCKED2 global &console_mutex
TYPE_LOCK (struct uart_port)->lock

drivers/tty/serial/8250/8250_dw.c dw8250_set_divisor() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
DATA_SOURCE 0 up r up_to_u8250p
DATA_SOURCE 1 value $2
BIT_INFO 0 up 0x26e7083ecad8b000,0xffffffffffffffff
BIT_INFO 0 up 0x26e7083ecad8b000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 value 0-u32max[c]
USER_DATA 1 value 0-u32max[c]
HALF_LOCKED2 &_T->lock->lock
HALF_LOCKED2 _T->flags

drivers/tty/serial/8250/8250_loongson.c loongson_frac_set_divisor() -> serial_dl_write()

Type Parameter Key Value
PARAM_VALUE 0 up 4096-ptr_max
DATA_SOURCE 0 up r up_to_u8250p
DATA_SOURCE 1 value $2
BIT_INFO 0 up 0x489c1284f66db000,0xffffffffffffffff
BIT_INFO 0 up 0x489c1284f66db000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA 1 value 0-u32max[c]
USER_DATA 1 value 0-u32max[c]
HALF_LOCKED2 &_T->lock->lock
HALF_LOCKED2 _T->flags