Open Menu /

Documented in 1 files:

Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

drivers/dma/at_hdmac.c at_dma_prepare() -> atc_chan_is_enabled()

Type Parameter Key Value
PARAM_VALUE 0 atchan 4096-ptr_max
DATA_SOURCE 0 atchan r to_at_dma_chan
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 &dev->mutex
HALF_LOCKED2 global &system_transition_mutex

drivers/dma/at_hdmac.c atc_alloc_chan_resources() -> atc_chan_is_enabled()

Type Parameter Key Value
PARAM_VALUE 0 atchan 4096-ptr_max
DATA_SOURCE 0 atchan r to_at_dma_chan
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &dma_list_mutex

drivers/dma/at_hdmac.c atc_free_chan_resources() -> atc_chan_is_enabled()

Type Parameter Key Value
PARAM_VALUE 0 atchan 4096-ptr_max
DATA_SOURCE 0 atchan r to_at_dma_chan
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 global &dma_list_mutex

drivers/dma/at_hdmac.c atc_issue_pending() -> atc_chan_is_enabled()

Type Parameter Key Value
PARAM_VALUE 0 atchan 4096-ptr_max
DATA_SOURCE 0 atchan r to_at_dma_chan
PARAM_COMPARE 0 &atchan->vc.desc_issued != $0->vc.desc_issued.next
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 flags
LOCK2 0 &atchan->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/at_hdmac.c atdma_handle_chan_done() -> atc_chan_is_enabled()

Type Parameter Key Value
PARAM_VALUE 0 atchan 4096-ptr_max
DATA_SOURCE 0 atchan $0
PREEMPT_ADD <- disables preempt
RX_PATH
TASK_NOT_RUNNING
LOCK2 0 &atchan->vc.lock
HALF_LOCKED2 &desc->request_mutex
HALF_LOCKED2 _T->lock
HALF_LOCKED2 flags
HALF_LOCKED2 irq
TYPE_LOCK (struct virt_dma_chan)->lock