dmaengine_prep_slave_single identifier - Linux source code next-20260811

Projects

linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a function:

include/linux/dmaengine.h, line 1021 (as a function)

Referenced in 41 files:

Smatch caller information:

drivers/i2c/busses/i2c-qcom-geni.c geni_i2c_gpi() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->device_config	1-u64max
PARAM_VALUE	1	buf	0-18446744073709551614
PARAM_VALUE	2	len	0-u16max
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	2-3
DATA_SOURCE	0	chan	$6
FUZZY_MAX	3	dir	2
FUZZY_MAX	4	flags	3
BIT_INFO	4	flags	0x2,0x3
HARD_MAX	3	dir	2
UNITS	2	len	unit_byte

drivers/i2c/busses/i2c-qcom-geni.c geni_i2c_gpi() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->device_config	1-u64max
PARAM_VALUE	1	buf	0-18446744073709551614
PARAM_VALUE	2	len	0-u16max
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	3-4
DATA_SOURCE	0	chan	$6
FUZZY_MAX	3	dir	2
BIT_INFO	4	flags	0x3,0x3
HARD_MAX	3	dir	2
UNITS	2	len	unit_byte

drivers/tty/serial/sh-sci.c sci_dma_tx_work_fn() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	1-u32max
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	3
PREEMPT_ADD			<- disables preempt
LOCK2		&port->lock
LOCK2		irq
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/8250/8250_dma.c serial8250_rx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
RX_PATH
TASK_NOT_RUNNING
UNITS	2	len	unit_byte
HALF_LOCKED2		&_T->lock->lock
HALF_LOCKED2		&p->port.lock
HALF_LOCKED2		&port->lock
HALF_LOCKED2		_T->flags
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq

drivers/spi/spi-tegra114.c tegra_spi_start_rx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->device_config	1-u64max
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
DATA_SOURCE	2	len	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&tspi->lock
HALF_LOCKED2		flags

drivers/spi/spi-tegra114.c tegra_spi_start_tx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->device_config	1-u64max
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	3
DATA_SOURCE	2	len	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&tspi->lock
HALF_LOCKED2		flags

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

Type	Parameter	Key	Value
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS	2	len	unit_byte
LOCK2		&priv->rx_dma_lock
LOCK2		flags
HALF_LOCKED2		&_T->lock->lock
HALF_LOCKED2		&p->port.lock
HALF_LOCKED2		&port->lock
HALF_LOCKED2		_T->flags
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags
HALF_LOCKED2		irq
TYPE_LOCK		(struct omap8250_priv)->rx_dma_lock

drivers/slimbus/qcom-ngd-ctrl.c qcom_slim_ngd_post_rx_msgq() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->client_count	1-s32max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->owner->state	0-1,3-u32max
PARAM_VALUE	0	chan->device->ref.refcount.refs.counter	(-1073741824),0-s32max
PARAM_VALUE	2	len	40
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	1
CAPPED_DATA	0	chan->dbg_client_name	1
CAPPED_DATA	0	chan->name	1
RX_PATH
HALF_LOCKED2		&ctrl->ssr_lock
HALF_LOCKED2		&pool->lock

drivers/slimbus/qcom-ngd-ctrl.c qcom_slim_ngd_rx_msgq_cb() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	40
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	1
RX_PATH
TASK_NOT_RUNNING
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/slimbus/qcom-ngd-ctrl.c qcom_slim_ngd_tx_msg_post() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	0,4-40
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	1
BIT_INFO	2	len	0x0,0x3c
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2		&ctrl->tx_buf_lock
LOCK2		&ctrl->tx_lock
LOCK2		flags
TYPE_LOCK		(struct qcom_slim_ngd_ctrl)->tx_buf_lock
TYPE_LOCK		(struct qcom_slim_ngd_ctrl)->tx_lock

drivers/gpib/fmh_gpib/fmh_gpib.c fmh_gpib_dma_read() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	1-u64max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
CAPPED_DATA	2	len	1
CAPPED_DATA	2	len	1
DATA_SOURCE	1	buf	r dma_map_single_attrs
DATA_SOURCE	2	len	$2
TASK_NOT_RUNNING
HALF_LOCKED2		&board->big_gpib_mutex
HALF_LOCKED2		&board->user_mutex

drivers/gpib/fmh_gpib/fmh_gpib.c fmh_gpib_dma_write() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	3
CAPPED_DATA	2	len	1
CAPPED_DATA	2	len	1
DATA_SOURCE	1	buf	r dma_map_single_attrs
DATA_SOURCE	2	len	$2

drivers/i2c/busses/i2c-tegra.c tegra_i2c_dma_submit() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	0
PARAM_VALUE	2	len	0,4-4294967296
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	3
DATA_SOURCE	2	len	$1
FUZZY_MAX	2	len	33
FUZZY_MAX	3	dir	2
BIT_INFO	2	len	0x0,0x1fffffffc
BIT_INFO	2	len	0x0,0x1fffffffc
HARD_MAX	3	dir	2
UNITS	2	len	unit_byte

drivers/usb/renesas_usbhs/fifo.c usbhsf_dma_xfer_preparing() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	3
FUZZY_MAX	3	dir	2
HARD_MAX	3	dir	2
PREEMPT_ADD
RX_PATH
UNITS	1	buf	unit_byte
UNITS	2	len	unit_byte
LOCK2		&priv->lock
LOCK2		flags
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct usbhs_priv)->lock

drivers/tty/serial/sprd_serial.c sprd_uart_dma_submit() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	0,4096-u64max
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	4
DATA_SOURCE	2	len	$2
DATA_SOURCE	3	dir	$3
HARD_MAX	3	dir	2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	1	buf	unit_byte
UNITS	2	len	unit_byte
HALF_LOCKED2		&port->lock
HALF_LOCKED2		flags

drivers/mtd/nand/raw/loongson-nand-controller.c loongson_nand_dma_transfer() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->cma_area->alloc_mutex.first_waiter->list.prev->next	5159360019465732096
PARAM_VALUE	0	chan->device->dev->cma_area->alloc_mutex.first_waiter->list.prev->prev	5159360019465732096
PARAM_VALUE	0	chan->device->dev->cma_area->alloc_mutex.osq.tail.counter	0-s32max
PARAM_VALUE	0	chan->device->dev->cma_area->lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	chan->device->dev->cma_area->nranges	s32min-s32max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_mem->spinlock.rlock.dep_map->name	0-255
PARAM_VALUE	0	chan->device->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	chan->device->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	chan->device->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	2	len	0-u32max
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	1
CAPPED_DATA	2	len	1
CAPPED_DATA	2	len	1
FUZZY_MAX	3	dir	2
HARD_MAX	3	dir	2

drivers/tty/serial/stm32-usart.c stm32_usart_transmit_chars_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	0-4096
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&port->lock
HALF_LOCKED2		flags

drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c ti_csi2rx_drain_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-u64max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&dma->lock
HALF_LOCKED2		flags

drivers/media/platform/ti/j721e-csi2rx/j721e-csi2rx.c ti_csi2rx_start_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-u64max
PARAM_VALUE	2	len	0-u32max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
DATA_SOURCE	1	buf	r vb2_dma_contig_plane_dma_addr
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	2	len	unit_byte
LOCK2		&dma->lock
LOCK2		flags
TYPE_LOCK		(struct ti_csi2rx_dma)->lock

drivers/mfd/stm32-timers.c stm32_timers_dma_burst_read() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->device_config	1-u64max
PARAM_VALUE	1	buf	0-18446744073709551614
PARAM_VALUE	2	len	16
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	1
DATA_SOURCE	1	buf	r dma_map_single_attrs
RX_PATH
TASK_NOT_RUNNING
LOCK2		&dma->lock
LOCK2		&of->mutex
LOCK2		&priv->lock
LOCK2		_T->lock
HALF_LOCKED2		&of->prealloc_mutex
HALF_LOCKED2		&pool->lock
TYPE_LOCK		(struct kernfs_open_file)->mutex
TYPE_LOCK		(struct stm32_pwm)->lock
TYPE_LOCK		(struct stm32_timers_dma)->lock

drivers/mtd/nand/raw/intel-nand-controller.c ebu_dma_start() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	chan->device->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	chan->device->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	1	buf	0-18446744073709551614
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	3
DATA_SOURCE	1	buf	r dma_map_single_attrs
DATA_SOURCE	2	len	$3
DATA_SOURCE	3	dir	$1
HARD_MAX	3	dir	2
RX_PATH
TASK_NOT_RUNNING
UNITS	2	len	unit_byte
HALF_LOCKED2		&chip->controller->lock
HALF_LOCKED2		&chip->lock

sound/soc/stm/stm32_spdifrx.c stm32_spdifrx_dma_ctrl_start() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	192
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	2
RX_PATH
TASK_NOT_RUNNING
UNITS	1	buf	unit_byte
HALF_LOCKED2		&card->controls_rwsem
HALF_LOCKED2		&card->mutex
HALF_LOCKED2		_T->lock

drivers/spi/spi-fsl-dspi.c dspi_next_xfer_dma_submit() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	0,4096-u64max
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	3
CAPPED_DATA	2	len	1
CAPPED_DATA	2	len	1
DATA_SOURCE	2	len	r dspi_dma_transfer_size
RX_PATH
TASK_NOT_RUNNING
LOCK2		&ctlr->io_mutex
HALF_LOCKED2		&ctlr->dev.driver_data->op_lock
TYPE_LOCK		(struct spi_controller)->io_mutex

drivers/spi/spi-fsl-dspi.c dspi_next_xfer_dma_submit() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	0,4096-u64max
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
CAPPED_DATA	2	len	1
CAPPED_DATA	2	len	1
DATA_SOURCE	2	len	r dspi_dma_transfer_size
RX_PATH
TASK_NOT_RUNNING
LOCK2		&ctlr->io_mutex
HALF_LOCKED2		&ctlr->dev.driver_data->op_lock
TYPE_LOCK		(struct spi_controller)->io_mutex

drivers/i2c/busses/i2c-imx.c i2c_imx_dma_xfer() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	chan->device->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	chan->device->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	1	buf	0-18446744073709551614
PARAM_VALUE	2	len	14-65534
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	3
DATA_SOURCE	1	buf	r dma_map_single_attrs
UNITS	2	len	unit_byte

drivers/spi/spi-tegra20-slink.c tegra_slink_start_rx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
DATA_SOURCE	2	len	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&tspi->lock
HALF_LOCKED2		flags

drivers/spi/spi-tegra20-slink.c tegra_slink_start_tx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	3
DATA_SOURCE	2	len	$1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&tspi->lock
HALF_LOCKED2		flags

drivers/spi/spi-tegra210-quad.c tegra_qspi_start_rx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->device_config	1-u64max
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
DATA_SOURCE	2	len	$2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	1	buf	unit_byte
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&tqspi->lock
HALF_LOCKED2		flags

drivers/spi/spi-tegra210-quad.c tegra_qspi_start_tx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->device_config	1-u64max
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	3
DATA_SOURCE	2	len	$2
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	1	buf	unit_byte
HALF_LOCKED2		&host->io_mutex
HALF_LOCKED2		&tqspi->lock
HALF_LOCKED2		flags

drivers/tty/serial/serial-tegra.c tegra_uart_start_rx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	4096
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2		&u->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct uart_port)->lock

drivers/tty/serial/serial-tegra.c tegra_uart_start_tx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	0,16-4294967280
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	1
BIT_INFO	2	len	0x0,0xfffffff0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&tup->uport.lock
HALF_LOCKED2		&u->lock
HALF_LOCKED2		flags

drivers/net/wwan/qcom_bam_dmux.c bam_dmux_skb_dma_submit_rx() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	0-18446744073709551614
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	1
RX_PATH
TASK_NOT_RUNNING
UNITS	2	len	unit_byte

drivers/net/wwan/qcom_bam_dmux.c bam_dmux_skb_dma_submit_tx() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	1
RX_PATH
TASK_NOT_RUNNING
HOST_DATA	2	len	0-u32max[c]
NO_OVERFLOW_SIMPLE	2	len
UNITS	2	len	unit_byte

drivers/leds/leds-sun50i-a100.c sun50i_a100_ledc_dma_xfer() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	1-u64max
PARAM_VALUE	2	len	132-17179869180
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	0
RX_PATH
TASK_NOT_RUNNING

drivers/iio/buffer/industrialio-buffer-dmaengine.c iio_dmaengine_buffer_submit_block() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	1-u64max
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	1
CAPPED_DATA	2	len	1
CAPPED_DATA	2	len	1
FUZZY_MAX	3	dir	2
NOSPEC	2	len
NOSPEC	2	len
HARD_MAX	3	dir	2
RX_PATH
TASK_NOT_RUNNING
USER_DATA	2	len	1-s32max[c]
UNITS	2	len	unit_byte
HALF_LOCKED2		_T->lock

drivers/tty/serial/samsung_tty.c s3c24xx_serial_start_tx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->flags	4096-ptr_max
PARAM_VALUE	2	len	0-u32max
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2		&port->lock
HALF_LOCKED2		flags

drivers/tty/serial/samsung_tty.c s3c64xx_start_rx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->flags	4096-ptr_max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	2	len	unit_byte
LOCK2		&port->lock
HALF_LOCKED2		flags
TYPE_LOCK		(struct uart_port)->lock

drivers/gpib/eastwood/fluke_gpib.c fluke_dma_read() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	2	len	1-u64max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
CAPPED_DATA	2	len	1
CAPPED_DATA	2	len	1
DATA_SOURCE	1	buf	r dma_map_single_attrs
DATA_SOURCE	2	len	$2
TASK_NOT_RUNNING
HALF_LOCKED2		&board->big_gpib_mutex
HALF_LOCKED2		&board->user_mutex

drivers/gpib/eastwood/fluke_gpib.c fluke_dma_write() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	2	len	0-u32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	3
CAPPED_DATA	2	len	1
CAPPED_DATA	2	len	1
DATA_SOURCE	1	buf	r dma_map_single_attrs
DATA_SOURCE	2	len	$2

drivers/spi/spi-imx.c spi_imx_dma_submit() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
RX_PATH
TASK_NOT_RUNNING
UNITS	2	len	unit_byte
LOCK2		&controller->io_mutex
HALF_LOCKED2		&controller->dev.driver_data->op_lock
TYPE_LOCK		(struct spi_controller)->io_mutex

drivers/spi/spi-imx.c spi_imx_dma_submit() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	3
RX_PATH
TASK_NOT_RUNNING
UNITS	2	len	unit_byte
LOCK2		&controller->io_mutex
HALF_LOCKED2		&controller->dev.driver_data->op_lock
TYPE_LOCK		(struct spi_controller)->io_mutex

drivers/tty/serial/8250/8250_mtk.c mtk8250_rx_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
UNITS	2	len	unit_byte
HALF_LOCKED2		&up->port.lock
HALF_LOCKED2		flags

drivers/mtd/nand/raw/sh_flctl.c flctl_dma_fifo0_transfer() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	chan->device->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	chan->device->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	1	buf	0-18446744073709551614
PARAM_VALUE	2	len	0-s32max,18446744071562067968-u64max
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	3
DATA_SOURCE	1	buf	r dma_map_single_attrs
DATA_SOURCE	2	len	$2
FUZZY_MAX	3	dir	2
HARD_MAX	3	dir	2
RX_PATH
TASK_NOT_RUNNING
UNITS	2	len	unit_byte
HALF_LOCKED2		&chip->controller->lock
HALF_LOCKED2		&chip->lock

drivers/media/platform/ti/omap3isp/isphist.c hist_buf_dma() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->device_config	1-u64max
PARAM_VALUE	1	buf	1-u64max
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	2
RX_PATH
TASK_NOT_RUNNING

drivers/i2c/busses/i2c-stm32.c stm32_i2c_prep_dma_xfer() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	1	buf	0-18446744073709551614
PARAM_VALUE	2	len	1-u32max
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	1
DATA_SOURCE	1	buf	r dma_map_single_attrs
DATA_SOURCE	2	len	$3
FUZZY_MAX	3	dir	2
HARD_MAX	3	dir	2
RX_PATH
TASK_NOT_RUNNING
USER_DATA	2	len	22-34[c]
UNITS	2	len	unit_byte

drivers/i2c/busses/i2c-imx-lpi2c.c lpi2c_dma_rx_cmd_submit() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	chan->device->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	chan->device->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	1	buf	0-18446744073709551614
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	3
DATA_SOURCE	1	buf	r dma_map_single_attrs
RX_PATH

drivers/i2c/busses/i2c-imx-lpi2c.c lpi2c_dma_submit() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_lock.rlock.dep_map->name	0-255
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_io_tlb_pools.next->prev->prev	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->dma_uses_io_tlb	1
PARAM_VALUE	0	chan->device->dev->iommu->attach_deferred	0-1
PARAM_VALUE	0	chan->device->dev->iommu->pci_32bit_workaround	0-1
PARAM_VALUE	1	buf	0-18446744073709551614
PARAM_VALUE	2	len	0-u16max
PARAM_VALUE	3	dir	1-2
PARAM_VALUE	4	flags	3
DATA_SOURCE	1	buf	r dma_map_single_attrs
FUZZY_MAX	3	dir	2
HARD_MAX	3	dir	2
UNITS	2	len	unit_byte

drivers/spi/spi-sh-msiof.c sh_msiof_dma_once() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	3	dir	2
PARAM_VALUE	4	flags	3
CAPPED_DATA	2	len	1
DATA_SOURCE	2	len	$3
RX_PATH
TASK_NOT_RUNNING
LOCK2		&ctlr->io_mutex
HALF_LOCKED2		&ctlr->dev.driver_data->op_lock
TYPE_LOCK		(struct spi_controller)->io_mutex

drivers/spi/spi-sh-msiof.c sh_msiof_dma_once() -> dmaengine_prep_slave_single()

Type	Parameter	Key	Value
PARAM_VALUE	0	chan	4096-ptr_max
PARAM_VALUE	0	chan->device	4096-ptr_max
PARAM_VALUE	0	chan->device->dev->flags	4096-ptr_max
PARAM_VALUE	3	dir	1
PARAM_VALUE	4	flags	3
CAPPED_DATA	2	len	1
DATA_SOURCE	2	len	$3
RX_PATH
TASK_NOT_RUNNING
LOCK2		&ctlr->io_mutex
HALF_LOCKED2		&ctlr->dev.driver_data->op_lock
TYPE_LOCK		(struct spi_controller)->io_mutex