Defined in 1 files as a function:

Referenced in 12 files:

Smatch caller information:

drivers/spi/spi-nxp-xspi.c nxp_xspi_ahb_dma_read() -> dmaengine_prep_dma_memcpy()

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 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->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->iommu->attach_deferred 0-1
PARAM_VALUE 0 chan->device->dev->iommu->pci_32bit_workaround 0-1
PARAM_VALUE 1 dest 0-18446744073709551614
PARAM_VALUE 2 src 0-18446744073709551614
PARAM_VALUE 4 flags 3
DATA_SOURCE 1 dest r dma_map_single_attrs
DATA_SOURCE 2 src r dma_map_resource
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 2 src 0-18446744073709551614
HOST_DATA 3 len 0-u32max
USER_DATA 3 len 0-u32max
UNITS 3 len unit_byte
LOCK2 &mem->spi->controller->bus_lock_mutex
LOCK2 &mem->spi->controller->io_mutex
LOCK2 _T->lock
HALF_LOCKED2 &at25->lock
HALF_LOCKED2 &master->master.chrdev_lock
HALF_LOCKED2 &spinand->lock
TYPE_LOCK (struct spi_controller)->bus_lock_mutex
TYPE_LOCK (struct spi_controller)->io_mutex

sound/soc/intel/catpt/dsp.c catpt_dma_memcpy() -> dmaengine_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 4 flags 2
DATA_SOURCE 0 chan $1
DATA_SOURCE 1 dest $2
DATA_SOURCE 2 src $3
DATA_SOURCE 3 len $4
RX_PATH
TASK_NOT_RUNNING
UNITS 1 dest unit_byte
UNITS 2 src unit_byte
UNITS 3 len unit_byte

drivers/spi/atmel-quadspi.c atmel_qspi_dma_xfer() -> dmaengine_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 4 flags 3
DATA_SOURCE 0 chan $1
DATA_SOURCE 1 dest $2
DATA_SOURCE 2 src $3
DATA_SOURCE 3 len $4
RX_PATH
TASK_NOT_RUNNING
UNITS 1 dest unit_byte
UNITS 2 src unit_byte
UNITS 3 len unit_byte
LOCK2 &mem->spi->controller->bus_lock_mutex
LOCK2 &mem->spi->controller->io_mutex
HALF_LOCKED2 &at25->lock
HALF_LOCKED2 &master->master.chrdev_lock
HALF_LOCKED2 &spinand->lock
HALF_LOCKED2 _T->lock
TYPE_LOCK (struct spi_controller)->bus_lock_mutex
TYPE_LOCK (struct spi_controller)->io_mutex

drivers/ntb/test/ntb_perf.c perf_copy_chunk() -> dmaengine_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 chan 4096-ptr_max
PARAM_VALUE 0 chan->device 4096-ptr_max
PARAM_VALUE 0 chan->router->dev->power.wakeirq->status 0-4294967295
PARAM_VALUE 2 src 0-18446744073709551614
PARAM_VALUE 4 flags 3
CAPPED_DATA 3 len 1
CAPPED_DATA 3 len 1
DATA_SOURCE 3 len $3
HALF_LOCKED2 &pool->lock

drivers/mtd/hyperbus/hbmc-am654.c am654_hbmc_dma_read() -> dmaengine_prep_dma_memcpy()

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 dest 0-18446744073709551614
PARAM_VALUE 3 len 1024-9223372036854775807
PARAM_VALUE 4 flags 3
DATA_SOURCE 1 dest r dma_map_single_attrs
DATA_SOURCE 3 len $3
NOSPEC 3 len
NOSPEC 3 len
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 3 len 1024-9223372036854775807[c]
USER_DATA 3 len 1024-9223372036854775807[c]
HALF_LOCKED2 &chip->mutex

drivers/spi/spi-cadence-quadspi.c cqspi_direct_read_execute() -> dmaengine_prep_dma_memcpy()

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 dest 0-18446744073709551614
PARAM_VALUE 3 len 0-u32max
PARAM_VALUE 4 flags 3
DATA_SOURCE 1 dest r dma_map_single_attrs
DATA_SOURCE 3 len $3
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 3 len 0-u32max
USER_DATA 3 len 0-u32max
UNITS 2 src unit_byte
UNITS 3 len unit_byte
LOCK2 &mem->spi->controller->bus_lock_mutex
LOCK2 &mem->spi->controller->io_mutex
HALF_LOCKED2 &at25->lock
HALF_LOCKED2 &master->master.chrdev_lock
HALF_LOCKED2 &spinand->lock
TYPE_LOCK (struct spi_controller)->bus_lock_mutex
TYPE_LOCK (struct spi_controller)->io_mutex

drivers/mtd/nand/raw/cadence-nand-controller.c cadence_nand_slave_dma_transfer() -> dmaengine_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 chan 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 4 flags 3
DATA_SOURCE 3 len $3

drivers/pci/endpoint/functions/pci-epf-test.c pci_epf_test_data_transfer() -> dmaengine_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 chan 1-ptr_max
PARAM_VALUE 4 flags 3
DATA_SOURCE 1 dest $1
DATA_SOURCE 2 src $2
DATA_SOURCE 3 len $3
UNITS 3 len unit_byte
HALF_LOCKED2 &pool->lock

drivers/spi/spi-ti-qspi.c ti_qspi_dma_xfer() -> dmaengine_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 chan 1-u64max
PARAM_VALUE 3 len 0-s32max,18446744071562067968-u64max
PARAM_VALUE 4 flags 3
CAPPED_DATA 3 len 1
CAPPED_DATA 3 len 1
DATA_SOURCE 1 dest $1
DATA_SOURCE 2 src $2
DATA_SOURCE 3 len $3
RX_PATH
TASK_NOT_RUNNING
HOST_DATA 3 len 1-65536[c]
USER_DATA 3 len 1-65536[c]
UNITS 1 dest unit_byte
UNITS 2 src unit_byte
UNITS 3 len unit_byte
LOCK2 &mem->spi->controller->bus_lock_mutex
LOCK2 &mem->spi->controller->io_mutex
LOCK2 &qspi->list_lock
HALF_LOCKED2 &at25->lock
HALF_LOCKED2 &master->master.chrdev_lock
HALF_LOCKED2 &spinand->lock
HALF_LOCKED2 _T->lock
TYPE_LOCK (struct spi_controller)->bus_lock_mutex
TYPE_LOCK (struct spi_controller)->io_mutex
TYPE_LOCK (struct ti_qspi)->list_lock

drivers/gpu/drm/omapdrm/omap_dmm_tiler.c dmm_dma_copy() -> dmaengine_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 3 len 4
PARAM_VALUE 4 flags 0
DATA_SOURCE 1 dest $2
DATA_SOURCE 2 src $1
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
LOCK2 &dmm->wa_lock
LOCK2 flags
TYPE_LOCK (struct dmm)->wa_lock

drivers/mtd/nand/raw/atmel/nand-controller.c atmel_nand_dma_transfer() -> dmaengine_prep_dma_memcpy()

Type Parameter Key Value
PARAM_VALUE 0 chan 1-u64max
PARAM_VALUE 4 flags 3
DATA_SOURCE 3 len $3
RX_PATH
TASK_NOT_RUNNING
UNITS 3 len unit_byte