Defined in 1 files as a function:
Referenced in 12 files:
- drivers/gpu/drm/omapdrm/omap_dmm_tiler.c, line 84
- drivers/mtd/hyperbus/hbmc-am654.c, line 94
- drivers/mtd/nand/onenand/onenand_omap2.c, line 331
- drivers/mtd/nand/raw/atmel/nand-controller.c, line 390
- drivers/mtd/nand/raw/cadence-nand-controller.c, line 1898
- drivers/ntb/test/ntb_perf.c, line 826
- drivers/pci/endpoint/functions/pci-epf-test.c, line 189
- drivers/spi/atmel-quadspi.c, line 785
- drivers/spi/spi-cadence-quadspi.c, line 1391
- drivers/spi/spi-nxp-xspi.c, line 866
- drivers/spi/spi-ti-qspi.c, line 449
- sound/soc/intel/catpt/dsp.c, line 70
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 |