Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
drivers/dma/tegra20-apb-dma.c handle_once_dma_done() -> tdc_start_head_req()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | tdc | 4096-ptr_max |
| PARAM_VALUE | 0 | tdc->busy | 0 |
| CAPPED_DATA | 0 | &tdc->pending_sg_req | 1 |
| DATA_SOURCE | 0 | tdc | $0 |
| PARAM_COMPARE | 0 | &tdc->pending_sg_req | != $0->pending_sg_req.next |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | 0 | &tdc->lock | |
| HALF_LOCKED2 | &desc->request_mutex | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct tegra_dma_channel)->lock |
drivers/dma/tegra20-apb-dma.c tegra_dma_issue_pending() -> tdc_start_head_req()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | tdc | 4096-ptr_max |
| PARAM_VALUE | 0 | tdc->busy | 0 |
| PARAM_VALUE | 0 | tdc->tdma | 4096-ptr_max |
| CAPPED_DATA | 0 | &tdc->pending_sg_req | 1 |
| DATA_SOURCE | 0 | tdc | r to_tegra_dma_chan |
| PARAM_COMPARE | 0 | &tdc->pending_sg_req | != $0->pending_sg_req.next |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | flags | ||
| LOCK2 | 0 | &tdc->lock | |
| HALF_LOCKED2 | &ctlr->io_mutex | ||
| HALF_LOCKED2 | &host->io_mutex | ||
| HALF_LOCKED2 | rcu_read | ||
| TYPE_LOCK | (struct tegra_dma_channel)->lock |