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Defined in 1 files as a function:

Referenced in 7 files:

Smatch caller information:

drivers/accessibility/speakup/serialio.c spk_serial_send_xchar() -> uart_lsr_tx_empty()

Type Parameter Key Value
PARAM_VALUE 0 lsr 0-255
HOST_DATA 0 lsr 0-255
LOCK2 global &spk_mutex

drivers/accessibility/speakup/serialio.c spk_serial_send_xchar() -> uart_lsr_tx_empty()

Type Parameter Key Value
PARAM_VALUE 0 lsr 0-255
HOST_DATA 0 lsr 0-255
LOCK2 global &spk_mutex

drivers/accessibility/speakup/serialio.c spk_serial_wait_for_xmitr() -> uart_lsr_tx_empty()

Type Parameter Key Value
PARAM_VALUE 0 lsr 0-255
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 lsr 0-255
HALF_LOCKED2 flags
HALF_LOCKED2 global &speakup_info.spinlock
HALF_LOCKED2 global &spk_mutex

drivers/accessibility/speakup/serialio.c spk_serial_wait_for_xmitr() -> uart_lsr_tx_empty()

Type Parameter Key Value
PARAM_VALUE 0 lsr 0-255
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 lsr 0-255
HALF_LOCKED2 flags
HALF_LOCKED2 global &speakup_info.spinlock
HALF_LOCKED2 global &spk_mutex

drivers/tty/serial/8250/8250_early.c serial_putc() -> uart_lsr_tx_empty()

Type Parameter Key Value
DATA_SOURCE 0 lsr r serial8250_early_in
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 lsr 0-u16max
HALF_LOCKED2 &port->lock
HALF_LOCKED2 &s->lock

drivers/tty/serial/8250/8250_rt288x.c au_putc() -> uart_lsr_tx_empty()

Type Parameter Key Value
DATA_SOURCE 0 lsr r au_serial_in
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 lsr 0-u16max
HALF_LOCKED2 &port->lock
HALF_LOCKED2 &s->lock

drivers/tty/serial/8250/8250_port.c serial8250_tx_chars() -> uart_lsr_tx_empty()

Type Parameter Key Value
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 lsr 0-u16max
HALF_LOCKED2 &_T->lock->lock
HALF_LOCKED2 &port->lock
HALF_LOCKED2 &up->port.lock
HALF_LOCKED2 _T->flags
HALF_LOCKED2 flags

drivers/tty/serial/8250/8250_port.c serial8250_tx_empty() -> uart_lsr_tx_empty()

Type Parameter Key Value
TASK_NOT_RUNNING
LOCK2 &_T->lock->lock
LOCK2 _T->flags
HALF_LOCKED2 &port->lock
HALF_LOCKED2 _T->lock

drivers/tty/serial/omap-serial.c omap_serial_early_putc() -> uart_lsr_tx_empty()

Type Parameter Key Value
DATA_SOURCE 0 lsr r omap_serial_early_in
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 lsr 0-u16max
HALF_LOCKED2 &port->lock
HALF_LOCKED2 &s->lock

drivers/tty/serial/omap-serial.c wait_for_xmitr() -> uart_lsr_tx_empty()

Type Parameter Key Value
DATA_SOURCE 0 lsr r serial_in
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 0 lsr 0-u16max
HALF_LOCKED2 flags