dmaengine: ti: k3-udma: Fix TR mode flags for slave_sg and memcpy (be4054b8) · Commits · 戴 / test

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>

drivers/dma/ti/k3-udma.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -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;

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