Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_free_chan_resources() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| 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_hw_deinit() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| BUF_SIZE | 0 | cqdma | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | cqdma | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | cqdma->dma_channels | 1 |
| CAPPED_DATA | 0 | cqdma->dma_requests | 1 |
| DATA_SOURCE | 0 | cqdma | $0 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | cqdma | unit_byte |
| LOCK2 | &_dev->mutex | ||
| LOCK2 | flags | ||
| TYPE_LOCK | (struct device)->mutex |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_hw_deinit() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| BUF_SIZE | 0 | cqdma | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | cqdma | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | cqdma->dma_channels | 1 |
| CAPPED_DATA | 0 | cqdma->dma_requests | 1 |
| DATA_SOURCE | 0 | cqdma | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | cqdma | unit_byte |
| LOCK2 | &_dev->mutex | ||
| TYPE_LOCK | (struct device)->mutex |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_hw_deinit() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| BUF_SIZE | 0 | cqdma | s32min-(-2),1-s32max |
| BUF_SIZE | 0 | cqdma | s32min-(-2),1-s32max |
| CAPPED_DATA | 0 | cqdma->dma_channels | 1 |
| CAPPED_DATA | 0 | cqdma->dma_requests | 1 |
| DATA_SOURCE | 0 | cqdma | $0 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| UNITS | 0 | cqdma | unit_byte |
| LOCK2 | &_dev->mutex | ||
| TYPE_LOCK | (struct device)->mutex |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_hw_init() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| PARAM_VALUE | 0 | cqdma->ddev.dev | 4096-ptr_max |
| BUF_SIZE | 0 | cqdma | 496 |
| BUF_SIZE | 0 | cqdma->clk | (-1),1-s32max |
| BUF_SIZE | 0 | cqdma->pc | 0-s32max |
| BUF_SIZE | 0 | cqdma->vc | 0-s32max |
| CAPPED_DATA | 0 | cqdma->dma_channels | 1 |
| CAPPED_DATA | 0 | cqdma->dma_requests | 1 |
| DATA_SOURCE | 0 | cqdma | $0 |
| MEM_ZERO | 0 | cqdma | |
| MEM_ZERO | 0 | cqdma->pc | |
| MEM_ZERO | 0 | cqdma->vc | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_channels | |
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_requests |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_hw_init() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| PARAM_VALUE | 0 | cqdma->ddev.dev | 4096-ptr_max |
| BUF_SIZE | 0 | cqdma | 496 |
| BUF_SIZE | 0 | cqdma->clk | (-1),1-s32max |
| BUF_SIZE | 0 | cqdma->pc | 0-s32max |
| BUF_SIZE | 0 | cqdma->vc | 0-s32max |
| CAPPED_DATA | 0 | cqdma->dma_channels | 1 |
| CAPPED_DATA | 0 | cqdma->dma_requests | 1 |
| DATA_SOURCE | 0 | cqdma | $0 |
| MEM_ZERO | 0 | cqdma | |
| MEM_ZERO | 0 | cqdma->pc | |
| MEM_ZERO | 0 | cqdma->vc | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_channels | |
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_requests |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_hw_init() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| PARAM_VALUE | 0 | cqdma->ddev.dev | 4096-ptr_max |
| BUF_SIZE | 0 | cqdma | 496 |
| BUF_SIZE | 0 | cqdma->clk | (-1),1-s32max |
| BUF_SIZE | 0 | cqdma->pc | 0-s32max |
| BUF_SIZE | 0 | cqdma->vc | 0-s32max |
| CAPPED_DATA | 0 | cqdma->dma_channels | 1 |
| CAPPED_DATA | 0 | cqdma->dma_requests | 1 |
| DATA_SOURCE | 0 | cqdma | $0 |
| MEM_ZERO | 0 | cqdma | |
| MEM_ZERO | 0 | cqdma->pc | |
| MEM_ZERO | 0 | cqdma->vc | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_channels | |
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_requests |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_hw_init() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| PARAM_VALUE | 0 | cqdma->ddev.dev | 4096-ptr_max |
| BUF_SIZE | 0 | cqdma | 496 |
| BUF_SIZE | 0 | cqdma->clk | (-1),1-s32max |
| BUF_SIZE | 0 | cqdma->pc | 0-s32max |
| BUF_SIZE | 0 | cqdma->vc | 0-s32max |
| CAPPED_DATA | 0 | cqdma->dma_channels | 1 |
| CAPPED_DATA | 0 | cqdma->dma_requests | 1 |
| DATA_SOURCE | 0 | cqdma | $0 |
| MEM_ZERO | 0 | cqdma | |
| MEM_ZERO | 0 | cqdma->pc | |
| MEM_ZERO | 0 | cqdma->vc | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_channels | |
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_requests |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_hw_init() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| PARAM_VALUE | 0 | cqdma->ddev.dev | 4096-ptr_max |
| BUF_SIZE | 0 | cqdma | 496 |
| BUF_SIZE | 0 | cqdma->clk | (-1),1-s32max |
| BUF_SIZE | 0 | cqdma->pc | 0-s32max |
| BUF_SIZE | 0 | cqdma->vc | 0-s32max |
| CAPPED_DATA | 0 | cqdma->dma_channels | 1 |
| CAPPED_DATA | 0 | cqdma->dma_requests | 1 |
| DATA_SOURCE | 0 | cqdma | $0 |
| MEM_ZERO | 0 | cqdma | |
| MEM_ZERO | 0 | cqdma->pc | |
| MEM_ZERO | 0 | cqdma->vc | |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_channels | |
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_requests | |
| LOCK2 | flags |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_hw_init() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| PARAM_VALUE | 0 | cqdma->ddev.dev | 4096-ptr_max |
| BUF_SIZE | 0 | cqdma | 496 |
| BUF_SIZE | 0 | cqdma->clk | (-1),1-s32max |
| BUF_SIZE | 0 | cqdma->pc | 0-s32max |
| BUF_SIZE | 0 | cqdma->vc | 0-s32max |
| CAPPED_DATA | 0 | cqdma->dma_channels | 1 |
| CAPPED_DATA | 0 | cqdma->dma_requests | 1 |
| DATA_SOURCE | 0 | cqdma | $0 |
| MEM_ZERO | 0 | cqdma | |
| MEM_ZERO | 0 | cqdma->pc | |
| MEM_ZERO | 0 | cqdma->vc | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_channels | |
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_requests |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_hw_init() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| PARAM_VALUE | 0 | cqdma->ddev.dev | 4096-ptr_max |
| BUF_SIZE | 0 | cqdma | 496 |
| BUF_SIZE | 0 | cqdma->clk | (-1),1-s32max |
| BUF_SIZE | 0 | cqdma->pc | 0-s32max |
| BUF_SIZE | 0 | cqdma->vc | 0-s32max |
| CAPPED_DATA | 0 | cqdma->dma_channels | 1 |
| CAPPED_DATA | 0 | cqdma->dma_requests | 1 |
| DATA_SOURCE | 0 | cqdma | $0 |
| MEM_ZERO | 0 | cqdma | |
| MEM_ZERO | 0 | cqdma->pc | |
| MEM_ZERO | 0 | cqdma->vc | |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_channels | |
| NO_OVERFLOW_SIMPLE | 0 | cqdma->dma_requests |
drivers/dma/mediatek/mtk-cqdma.c mtk_cqdma_start() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| 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() -> cqdma2dev()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cqdma | 4096-ptr_max |
| 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 |