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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2020-05-12 16:45:31 +0300
committerVinod Koul <vkoul@kernel.org>2020-05-15 11:22:31 +0530
commitbe4054b8b6671ebc977eb7774b8e889d2d05d3e3 (patch)
treeef95ac988561d2204af7866d81c2fbfb5db856e1
parentee63fab3ccf9795a8fb014415fefdaa74bb0ba46 (diff)
downloadlinux-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.c6
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;