omap_8250_rx_dma identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

drivers/tty/serial/8250/8250_omap.c, line 899 (as a prototype)

Defined in 2 files as a function:

Referenced in 1 files:

drivers/tty/serial/8250/8250_omap.c

Smatch caller information:

drivers/tty/serial/8250/8250_omap.c __dma_rx_complete() -> omap_8250_rx_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	p	4096-ptr_max
PARAM_VALUE	0	p->dma	4096-ptr_max
PARAM_VALUE	0	p->dma->rx_running	0
PARAM_VALUE	0	p->dma->rxchan	4096-ptr_max
PARAM_VALUE	0	p->dma->rxchan->device	4096-ptr_max
PARAM_VALUE	0	p->dma->rxchan->device->device_tx_status	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.private_data	4096-ptr_max
PARAM_VALUE	0	p->port.private_data->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	p->port.serial_out	4096-ptr_max
PARAM_VALUE	0	p->port.state->port.buf.tail	4096-ptr_max
PARAM_VALUE	0	p->port.state->port.buf.tail->next->size	0,256-u32max
PARAM_VALUE	0	p->port.state->port.buf.tail->size	0,256-u32max
BUF_SIZE	0	p	s32min-(-2),1-s32max
BUF_SIZE	0	p	s32min-(-2),1-s32max
DATA_SOURCE	0	p	$0
BIT_INFO	0	p->ier	0x5,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
UNITS	0	p	unit_byte
LOCK2		&_T->lock->lock
LOCK2		_T->flags
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

drivers/tty/serial/8250/8250_omap.c am654_8250_handle_rx_dma() -> omap_8250_rx_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	p	4096-ptr_max
PARAM_VALUE	0	p->ier	1-255
DATA_SOURCE	0	p	$0
BIT_INFO	0	p->ier	0x1,0xffffffffffffffff
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/8250/8250_omap.c handle_rx_dma() -> omap_8250_rx_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	p	4096-ptr_max
DATA_SOURCE	0	p	$0
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/8250/8250_omap.c omap8250_runtime_resume() -> omap_8250_rx_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	p	4096-ptr_max
PARAM_VALUE	0	p->dma	4096-ptr_max
PARAM_VALUE	0	p->dma->rxchan	1-u64max
PARAM_VALUE	0	p->port.cons	0,4096-ptr_max
PARAM_VALUE	0	p->port.lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	p->port.serial_in	4096-ptr_max
DATA_SOURCE	0	p	r serial8250_get_port
NOCHECK_CALL
LOCK2		irq
LOCK2	0	&p->port.lock
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/8250/8250_omap.c omap_8250_handle_rx_dma() -> omap_8250_rx_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	p	4096-ptr_max
PARAM_VALUE	0	p->lsr_saved_flags	0
PARAM_VALUE	0	p->port.private_data	4096-ptr_max
PARAM_VALUE	0	p->port.private_data->rx_dma_broken	0-1
PARAM_VALUE	0	p->port.private_data->rx_dma_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	p->port.state	4096-ptr_max
DATA_SOURCE	0	p	$0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HOST_DATA	0	p->port.sysrq_ch	1-255
LOCK2		&port->lock
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/8250/8250_dma.c dma_rx_complete() -> (struct uart_8250_dma)->rx_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	p	4096-ptr_max
PARAM_VALUE	0	p->dma	4096-ptr_max
PARAM_VALUE	0	p->dma->rx_running	0
PARAM_VALUE	0	p->port.cons	0,4096-ptr_max
PARAM_VALUE	0	p->port.serial_in	4096-ptr_max
BUF_SIZE	0	p	s32min-(-2),1-s32max
BUF_SIZE	0	p	s32min-(-2),1-s32max
DATA_SOURCE	0	p	$0
CONTAINER	0	-8-800+0	$(-1)
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		flags
LOCK2	0	&p->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/8250/8250_omap.c omap_8250_startup() -> (struct uart_8250_dma)->rx_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	p	4096-ptr_max
PARAM_VALUE	0	p->dma	4096-ptr_max
PARAM_VALUE	0	p->dma->fn	1-u64max
PARAM_VALUE	0	p->dma->rx_buf	0-ptr_max
PARAM_VALUE	0	p->dma->rx_size	1-u64max
PARAM_VALUE	0	p->dma->rxchan	4096-ptr_max
PARAM_VALUE	0	p->dma->rxchan->device	4096-ptr_max
PARAM_VALUE	0	p->dma->rxchan->device->dev->cma_area->alloc_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	p->dma->rxchan->device->dev->dma_io_tlb_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	p->dma->rxchan->device->dev->dma_io_tlb_pools.next	4096-ptr_max
PARAM_VALUE	0	p->dma->rxchan->device->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	0	p->dma->rxchan->device->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	0	p->dma->rxchan->device->dev->dma_mem->spinlock.rlock.dep_map->name	0-255
PARAM_VALUE	0	p->dma->rxchan->device->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	p->dma->rxchan->device->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	p->dma->rxchan->device->dev->iommu->pci_32bit_workaround	0
PARAM_VALUE	0	p->dma->rxchan->device->owner->state	0-1,3-u32max
PARAM_VALUE	0	p->dma->rxchan->device->ref.refcount.refs.counter	(-1073741824),0-s32max
PARAM_VALUE	0	p->dma->rxchan->router->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	p->dma->rxconf.direction	2
PARAM_VALUE	0	p->dma->rxconf.peripheral_config	4096-ptr_max
PARAM_VALUE	0	p->dma->rxconf.peripheral_size	0,12
PARAM_VALUE	0	p->dma->rxconf.src_addr_width	1
PARAM_VALUE	0	p->dma->tx_addr	0-18446744073709551614
PARAM_VALUE	0	p->dma->txchan	4096-ptr_max
PARAM_VALUE	0	p->dma->txchan->device	4096-ptr_max
PARAM_VALUE	0	p->dma->txchan->device->dev->dma_io_tlb_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	p->dma->txchan->device->dev->dma_io_tlb_pools.next	4096-ptr_max
PARAM_VALUE	0	p->dma->txchan->device->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	0	p->dma->txchan->device->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	0	p->dma->txchan->device->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	p->dma->txchan->device->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	0	p->dma->txchan->device->owner->state	0-1,3-u32max
PARAM_VALUE	0	p->dma->txchan->device->ref.refcount.refs.counter	(-1073741824),0-s32max
PARAM_VALUE	0	p->dma->txchan->router->dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	p->dma->txconf.direction	1
PARAM_VALUE	0	p->dma->txconf.dst_addr_width	1
PARAM_VALUE	0	p->dma->txconf.peripheral_config	4096-ptr_max
PARAM_VALUE	0	p->dma->txconf.peripheral_size	0,12
PARAM_VALUE	0	p->ier	5
PARAM_VALUE	0	p->lsr_saved_flags	0
PARAM_VALUE	0	p->msr_saved_flags	0
PARAM_VALUE	0	p->port->membase	0-255
PARAM_VALUE	0	p->port.dev->power.wakeirq->status	0-4294967295
PARAM_VALUE	0	p->port.private_data->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	p->port.serial_out	4096-ptr_max
BUF_SIZE	0	p->dma	288
CAPPED_DATA	0	p->port.state->port.xmit_buf	1
DATA_SOURCE	0	p	r up_to_u8250p
CONTAINER	0	-8-800+0	$(-1)
BIT_INFO	0	p	0x6921d7315ea39000,0xffffffffffffffff
BIT_INFO	0	p	0x6921d7315ea39000,0xffffffffffffffff
BIT_INFO	0	p->capabilities	0x8000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&port->lock
LOCK2		_T->lock
LOCK2		irq
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/8250/8250_omap.c omap_8250_unthrottle() -> (struct uart_8250_dma)->rx_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	p	4096-ptr_max
PARAM_VALUE	0	p->dma	4096-ptr_max
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
CONTAINER	0	-8-800+0	$(-1)
BIT_INFO	0	p	0x6921d7315ea39000,0xffffffffffffffff
BIT_INFO	0	p	0x6921d7315ea39000,0xffffffffffffffff
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2		&_T->lock->lock
LOCK2		_T->flags
HALF_LOCKED2		&tty->ldisc_sem
HALF_LOCKED2		&tty->port->buf.lock
HALF_LOCKED2		&tty->termios_rwsem
HALF_LOCKED2		_T->lock

drivers/tty/serial/8250/8250_port.c handle_rx_dma() -> (struct uart_8250_dma)->rx_dma()

Type	Parameter	Key	Value
PARAM_VALUE	0	p	4096-ptr_max
PARAM_VALUE	0	p->dma	4096-ptr_max
PARAM_VALUE	0	p->port.serial_in	4096-ptr_max
DATA_SOURCE	0	p	$0
CONTAINER	0	-8-800+0	$(-1)
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&_T->lock->lock
HALF_LOCKED2		_T->flags