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Defined in 2 files as a function:

Referenced in 2 files:

Smatch caller information:

drivers/dma/tegra186-gpc-dma.c tegra_dma_isr() -> tegra_dma_start()

Type Parameter Key Value
PARAM_VALUE 0 tdc 4096-ptr_max
PARAM_VALUE 0 tdc->dma_desc 4096-ptr_max
PARAM_VALUE 0 tdc->dma_desc->cyclic 0
PARAM_VALUE 0 tdc->regs 4096-ptr_max
PARAM_VALUE 0 tdc->tdma 4096-ptr_max
PARAM_VALUE 0 tdc->vc.lock.rlock.dep_map->name 0-255
DATA_SOURCE 0 tdc $1
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 0 &tdc->vc.lock
HALF_LOCKED2 &desc->request_mutex
HALF_LOCKED2 flags
TYPE_LOCK (struct virt_dma_chan)->lock

drivers/dma/tegra186-gpc-dma.c tegra_dma_issue_pending() -> tegra_dma_start()

Type Parameter Key Value
PARAM_VALUE 0 tdc 4096-ptr_max
PARAM_VALUE 0 tdc->dma_desc 0
PARAM_VALUE 0 tdc->vc.desc_submitted.next 4096-ptr_max
PARAM_VALUE 0 tdc->vc.desc_submitted.next->next 4096-ptr_max
PARAM_VALUE 0 tdc->vc.desc_submitted.next->prev 4096-ptr_max
PARAM_VALUE 0 tdc->vc.desc_submitted.prev 4096-ptr_max
PARAM_VALUE 0 tdc->vc.desc_submitted.prev->next 4096-ptr_max
PARAM_VALUE 0 tdc->vc.desc_submitted.prev->prev 4096-ptr_max
DATA_SOURCE 0 tdc r to_tegra_dma_chan
PARAM_COMPARE 0 &tdc->vc.desc_issued != $0->vc.desc_issued.next
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 flags
LOCK2 0 &tdc->vc.lock
HALF_LOCKED2 &ctlr->io_mutex
HALF_LOCKED2 &host->io_mutex
HALF_LOCKED2 rcu_read
TYPE_LOCK (struct virt_dma_chan)->lock

drivers/dma/tegra20-apb-dma.c tdc_start_head_req() -> tegra_dma_start()

Type Parameter Key Value
PARAM_VALUE 0 tdc 4096-ptr_max
PARAM_VALUE 1 sg_req 4096-ptr_max
DATA_SOURCE 0 tdc $0
PREEMPT_ADD
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
LOCK2 0 &tdc->lock
HALF_LOCKED2 flags
TYPE_LOCK (struct tegra_dma_channel)->lock