Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_alloc_chan_resources() -> to_cqdma_dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | chan | 4096-ptr_max |
| DATA_SOURCE | 0 | chan | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | global &dma_list_mutex |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_free_chan_resources() -> to_cqdma_dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | chan | 4096-ptr_max |
| DATA_SOURCE | 0 | chan | $0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| LOCK2 | &cvc->pc->lock | ||
| LOCK2 | flags | ||
| HALF_LOCKED2 | global &dma_list_mutex | ||
| TYPE_LOCK | (struct mtk_cqdma_pchan)->lock |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_start() -> to_cqdma_dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &cvc->pc->lock | ||
| HALF_LOCKED2 | &cvc->vc.lock | ||
| HALF_LOCKED2 | &pc->lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | pc_flags | ||
| HALF_LOCKED2 | vc_flags | ||
| TYPE_LOCK | (struct mtk_cqdma_pchan)->lock |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_start() -> to_cqdma_dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| HALF_LOCKED2 | &cvc->pc->lock | ||
| HALF_LOCKED2 | &cvc->vc.lock | ||
| HALF_LOCKED2 | &pc->lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | pc_flags | ||
| HALF_LOCKED2 | vc_flags | ||
| TYPE_LOCK | (struct mtk_cqdma_pchan)->lock |