diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-05-12 16:45:31 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2020-05-15 11:22:31 +0530 |
| commit | be4054b8b6671ebc977eb7774b8e889d2d05d3e3 (patch) | |
| tree | ef95ac988561d2204af7866d81c2fbfb5db856e1 | |
| parent | ee63fab3ccf9795a8fb014415fefdaa74bb0ba46 (diff) | |
| download | linux-be4054b8b6671ebc977eb7774b8e889d2d05d3e3.tar.bz2 | |
dmaengine: ti: k3-udma: Fix TR mode flags for slave_sg and memcpy
cppi5_tr_csf_set() clears previously set Configuration Specific Flags.
Setting the EOP flag clears the SUPR_EVT flag for the last TR which is not
desirable as we do not want to have events from the TR.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200512134531.5742-1-peter.ujfalusi@ti.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
| -rw-r--r-- | drivers/dma/ti/k3-udma.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index a9c0251adf1a..a90e154b0ae0 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -2156,7 +2156,8 @@ udma_prep_slave_sg_tr(struct udma_chan *uc, struct scatterlist *sgl, d->residue += sg_dma_len(sgent); } - cppi5_tr_csf_set(&tr_req[tr_idx - 1].flags, CPPI5_TR_CSF_EOP); + cppi5_tr_csf_set(&tr_req[tr_idx - 1].flags, + CPPI5_TR_CSF_SUPR_EVT | CPPI5_TR_CSF_EOP); return d; } @@ -2733,7 +2734,8 @@ udma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dest, dma_addr_t src, tr_req[1].dicnt3 = 1; } - cppi5_tr_csf_set(&tr_req[num_tr - 1].flags, CPPI5_TR_CSF_EOP); + cppi5_tr_csf_set(&tr_req[num_tr - 1].flags, + CPPI5_TR_CSF_SUPR_EVT | CPPI5_TR_CSF_EOP); if (uc->config.metadata_size) d->vd.tx.metadata_ops = &metadata_ops; |