diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/dma-axi-dmac.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/dma/dma-axi-dmac.c b/drivers/dma/dma-axi-dmac.c index 0101c0ae24c8..368f08cc29aa 100644 --- a/drivers/dma/dma-axi-dmac.c +++ b/drivers/dma/dma-axi-dmac.c @@ -96,6 +96,7 @@ struct axi_dmac_sg { struct axi_dmac_desc { struct virt_dma_desc vdesc; bool cyclic; + bool have_partial_xfer; unsigned int num_submitted; unsigned int num_completed; @@ -220,7 +221,8 @@ static void axi_dmac_start_transfer(struct axi_dmac_chan *chan) } desc->num_submitted++; - if (desc->num_submitted == desc->num_sgs) { + if (desc->num_submitted == desc->num_sgs || + desc->have_partial_xfer) { if (desc->cyclic) desc->num_submitted = 0; /* Start again */ else @@ -294,6 +296,7 @@ static void axi_dmac_dequeue_partial_xfers(struct axi_dmac_chan *chan) if (sg->id == AXI_DMAC_SG_UNUSED) continue; if (sg->id == id) { + desc->have_partial_xfer = true; sg->partial_len = len; found_sg = true; break; |