uart_handle_break identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/linux/serial_core.h, line 1316 (as a function)

Referenced in 47 files:

Smatch caller information:

drivers/tty/serial/sh-sci.c sci_handle_breaks() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
DATA_SOURCE	0	port	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq

drivers/tty/serial/altera_uart.c altera_uart_rx_chars() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
BUF_SIZE	0	port	(-1),616
BUF_SIZE	0	port	(-1),616
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/sunplus-uart.c receive_chars() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/ucc_uart.c qe_uart_int() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		flags

drivers/tty/serial/sccnxp.c sccnxp_handle_rx() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->dev	4096-ptr_max
PARAM_VALUE	0	port->dev->driver_data	4096-ptr_max
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&s->lock
LOCK2		flags
TYPE_LOCK		(struct sccnxp_port)->lock

drivers/tty/serial/amba-pl010.c pl010_rx_chars() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->lock.rlock.dep_map->name	0-255
BUF_SIZE	0	port	616
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/sc16is7xx.c sc16is7xx_handle_rx() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
BUF_SIZE	0	port	616
DATA_SOURCE	0	port	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2		_T->lock

drivers/tty/serial/max310x.c max310x_handle_rx() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->read_status_mask	0-1,3-u32max
BUF_SIZE	0	port	616
CAPPED_DATA	0	port->fifosize	1
DATA_SOURCE	0	port	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		_T->lock

drivers/tty/serial/sprd_serial.c handle_lsr_errors() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/meson_uart.c meson_receive_chars() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255[c]
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/stm32-usart.c stm32_usart_receive_chars_pio() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->ops->start_rx	0,4096-ptr_max
BUF_SIZE	0	port	s32min-(-1),1-s32max
BUF_SIZE	0	port	s32min-(-1),1-s32max
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255[c]
UNITS	0	port	unit_byte
HALF_LOCKED2		flags
HALF_LOCKED2	0	&port->lock

drivers/tty/serial/st-asc.c asc_receive_chars() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/pch_uart.c pch_uart_hal_read() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
BUF_SIZE	0	port	616
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255
LOCK2		&priv->port.lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/lpc32xx_hs.c serial_lpc32xx_interrupt() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	port	$1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		flags
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/8250/8250_port.c serial8250_read_char() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
BUF_SIZE	0	port	616
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255
HALF_LOCKED2		&port->lock
HALF_LOCKED2		flags

drivers/tty/serial/imx.c __imx_uart_rxint() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&sport->port.lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/imx.c imx_uart_clear_rx_errors() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&sport->port.lock
HALF_LOCKED2		&bdma_chan->lock
HALF_LOCKED2		&ioat_chan->cleanup_lock
HALF_LOCKED2		&mv_chan->lock
HALF_LOCKED2		&pd_chan->lock
HALF_LOCKED2		&plxdev->ring_lock
HALF_LOCKED2		&swdma_chan->complete_lock
HALF_LOCKED2		&td_chan->lock
HALF_LOCKED2		bh
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/men_z135_uart.c men_z135_handle_lsr() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->membase	0-ptr_max
BUF_SIZE	0	port	616
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	port->cons_flow	0-1
HOST_DATA	0	port->console_reinit	0-255
HOST_DATA	0	port->ctrl_id	0-u32max
HOST_DATA	0	port->custom_divisor	0-u32max
HOST_DATA	0	port->fifosize	0-u32max
HOST_DATA	0	port->flags	0-u64max
HOST_DATA	0	port->frame_time	0-u32max
HOST_DATA	0	port->has_sysrq	0-255
HOST_DATA	0	port->hub6	0-255
HOST_DATA	0	port->hw_stopped	0-1
HOST_DATA	0	port->icount.brk	0-u32max
HOST_DATA	0	port->icount.buf_overrun	0-u32max
HOST_DATA	0	port->icount.cts	0-u32max
HOST_DATA	0	port->icount.dcd	0-u32max
HOST_DATA	0	port->icount.dsr	0-u32max
HOST_DATA	0	port->icount.frame	0-u32max
HOST_DATA	0	port->icount.overrun	0-u32max
HOST_DATA	0	port->icount.parity	0-u32max
HOST_DATA	0	port->icount.rng	0-u32max
HOST_DATA	0	port->icount.rx	0-u32max
HOST_DATA	0	port->icount.tx	0-u32max
HOST_DATA	0	port->ignore_status_mask	0-u32max
HOST_DATA	0	port->iobase	0-u64max
HOST_DATA	0	port->iotype	s32min-s32max
HOST_DATA	0	port->irq	0-u32max
HOST_DATA	0	port->irqflags	0-u64max
HOST_DATA	0	port->iso7816.clk	0-u32max
HOST_DATA	0	port->iso7816.flags	0-u32max
HOST_DATA	0	port->iso7816.sc_di	0-u32max
HOST_DATA	0	port->iso7816.sc_fi	0-u32max
HOST_DATA	0	port->iso7816.tg	0-u32max
HOST_DATA	0	port->line	0-u32max
HOST_DATA	0	port->mapbase	0-u64max
HOST_DATA	0	port->mapsize	0-u64max
HOST_DATA	0	port->mctrl	0-u32max
HOST_DATA	0	port->minor	0-u32max
HOST_DATA	0	port->port_id	0-u32max
HOST_DATA	0	port->quirks	0-255
HOST_DATA	0	port->read_status_mask	0-u32max
HOST_DATA	0	port->regshift	0-255
HOST_DATA	0	port->rs485.addr_dest	0-255
HOST_DATA	0	port->rs485.addr_recv	0-255
HOST_DATA	0	port->rs485.delay_rts_after_send	0-u32max
HOST_DATA	0	port->rs485.delay_rts_before_send	0-u32max
HOST_DATA	0	port->rs485.flags	0-u32max
HOST_DATA	0	port->rs485_supported.addr_dest	0-255
HOST_DATA	0	port->rs485_supported.addr_recv	0-255
HOST_DATA	0	port->rs485_supported.delay_rts_after_send	0-u32max
HOST_DATA	0	port->rs485_supported.delay_rts_before_send	0-u32max
HOST_DATA	0	port->rs485_supported.flags	0-u32max
HOST_DATA	0	port->status	0-u32max
HOST_DATA	0	port->suspended	0-255
HOST_DATA	0	port->sysrq	0-u64max
HOST_DATA	0	port->sysrq_ch	0-255
HOST_DATA	0	port->sysrq_seq	0-255
HOST_DATA	0	port->type	0-u32max
HOST_DATA	0	port->uartclk	0-u32max
HOST_DATA	0	port->x_char	0-255
LOCK2		&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/ma35d1_serial.c receive_chars() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq

drivers/tty/serial/xilinx_uartps.c cdns_uart_handle_rx() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->private_data	4096-ptr_max
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255
LOCK2		&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/xilinx_uartps.c cdns_uart_handle_rx() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->private_data	4096-ptr_max
DATA_SOURCE	0	port	$0
BIT_INFO	0	port->read_status_mask	0x0,0xffffdfff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255
LOCK2		&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/mvebu-uart.c mvebu_uart_rx_chars() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
DATA_SOURCE	0	port	$0
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq

drivers/tty/serial/bcm63xx_uart.c bcm_uart_do_rx() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255[c]
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/qcom_geni_serial.c handle_rx_console() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->dev->cma_area->available_count	0-s64max
PARAM_VALUE	0	port->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	port->dev->dma_io_tlb_mem->for_alloc	0-1
PARAM_VALUE	0	port->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	port->ops->poll_get_char	0,4096-ptr_max
PARAM_VALUE	0	port->ops->poll_init	0,4096-ptr_max
PARAM_VALUE	0	port->ops->poll_put_char	0,4096-ptr_max
PARAM_VALUE	0	port->ops->start_rx	0,4096-ptr_max
PARAM_VALUE	0	port->ops->stop_tx	0,4096-ptr_max
BUF_SIZE	0	port	s32min-(-1),1-s32max
BUF_SIZE	0	port	s32min-(-1),1-s32max
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2	0	&port->lock

drivers/tty/serial/fsl_lpuart.c lpuart32_rxint() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255[c]
LOCK2		&sport->port.lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/fsl_lpuart.c lpuart_int() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		flags

drivers/tty/serial/fsl_linflexuart.c linflex_rxint() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
DATA_SOURCE	0	port	$1
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		flags
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/samsung_tty.c s3c24xx_serial_rx_drain_fifo() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
BUF_SIZE	0	port	616
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/msm_serial.c msm_complete_rx_dma() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->dev->dma_io_tlb_lock.rlock.dep_map->name	0-255
BUF_SIZE	0	port	616
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		flags
LOCK2	0	&port->lock
HALF_LOCKED2		&bdma_chan->lock
HALF_LOCKED2		&ioat_chan->cleanup_lock
HALF_LOCKED2		&mv_chan->lock
HALF_LOCKED2		&pd_chan->lock
HALF_LOCKED2		&plxdev->ring_lock
HALF_LOCKED2		&swdma_chan->complete_lock
HALF_LOCKED2		&td_chan->lock
HALF_LOCKED2		bh
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/msm_serial.c msm_handle_rx() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/msm_serial.c msm_handle_rx_dm() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->lock.rlock.dep_map->name	0-255
DATA_SOURCE	0	port	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/omap-serial.c serial_omap_rlsi() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	0	port->sysrq_ch	1-255
LOCK2		&up->port.lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/mxs-auart.c mxs_auart_rx_char() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&s->port.lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/atmel_serial.c atmel_rx_from_ring() -> uart_handle_break()

Type	Parameter	Key	Value
PARAM_VALUE	0	port	4096-ptr_max
PARAM_VALUE	0	port->cons	0,4096-ptr_max
PARAM_VALUE	0	port->lock.rlock.dep_map->name	0-255
BUF_SIZE	0	port	616
DATA_SOURCE	0	port	$0
RX_PATH
TASK_NOT_RUNNING
LOCK2	0	&port->lock
HALF_LOCKED2		bh
TYPE_LOCK		(struct uart_port)->lock