Merge branch 'topic/edma' into for-linus
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 3c84cd8..b95ef74 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -1112,14 +1112,17 @@
edesc->absync = ret;
edesc->residue += sg_dma_len(sg);
- /* If this is the last in a current SG set of transactions,
- enable interrupts so that next set is processed */
- if (!((i+1) % MAX_NR_SG))
- edesc->pset[i].param.opt |= TCINTEN;
-
- /* If this is the last set, enable completion interrupt flag */
if (i == sg_len - 1)
+ /* Enable completion interrupt */
edesc->pset[i].param.opt |= TCINTEN;
+ else if (!((i+1) % MAX_NR_SG))
+ /*
+ * Enable early completion interrupt for the
+ * intermediateset. In this case the driver will be
+ * notified when the paRAM set is submitted to TC. This
+ * will allow more time to set up the next set of slots.
+ */
+ edesc->pset[i].param.opt |= (TCINTEN | TCCMODE);
}
edesc->residue_stat = edesc->residue;