From: Peter Ujfalusi peter.ujfalusi@ti.com
[ Upstream commit be4054b8b6671ebc977eb7774b8e889d2d05d3e3 ]
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 Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/dma/ti/k3-udma.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/ti/k3-udma.c b/drivers/dma/ti/k3-udma.c index 0536866a58ce..4bfbca2add1b 100644 --- a/drivers/dma/ti/k3-udma.c +++ b/drivers/dma/ti/k3-udma.c @@ -2148,7 +2148,8 @@ 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; } @@ -2725,7 +2726,8 @@ 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;