diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/edma.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 54f7408e14ef..3754ffa09f27 100644 --- a/drivers/dma/edma.c +++ b/drivers/dma/edma.c @@ -256,8 +256,13 @@ static int edma_terminate_all(struct edma_chan *echan) * echan->edesc is NULL and exit.) */ if (echan->edesc) { + int cyclic = echan->edesc->cyclic; echan->edesc = NULL; edma_stop(echan->ch_num); + /* Move the cyclic channel back to default queue */ + if (cyclic) + edma_assign_channel_eventq(echan->ch_num, + EVENTQ_DEFAULT); } vchan_get_all_descriptors(&echan->vchan, &head); @@ -724,6 +729,9 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic( edesc->pset[i].param.opt |= TCINTEN; } + /* Place the cyclic channel to highest priority queue */ + edma_assign_channel_eventq(echan->ch_num, EVENTQ_0); + return vchan_tx_prep(&echan->vchan, &edesc->vdesc, tx_flags); } |