enum udma_tp_level channel_tpl; /* Channel Throughput Level */
u32 tr_trigger_type;
+ unsigned long tx_flags;
/* PKDMA mapped channel */
int mapped_channel_id;
{
u32 peer_bcnt, bcnt;
- /* Only TX towards PDMA is affected */
+ /*
+ * Only TX towards PDMA is affected.
+ * If DMA_PREP_INTERRUPT is not set by consumer then skip the transfer
+ * completion calculation, consumer must ensure that there is no stale
+ * data in DMA fabric in this case.
+ */
if (uc->config.ep_type == PSIL_EP_NATIVE ||
- uc->config.dir != DMA_MEM_TO_DEV)
+ uc->config.dir != DMA_MEM_TO_DEV || !(uc->config.tx_flags & DMA_PREP_INTERRUPT))
return true;
peer_bcnt = udma_tchanrt_read(uc, UDMA_CHAN_RT_PEER_BCNT_REG);
if (!burst)
burst = 1;
+ uc->config.tx_flags = tx_flags;
+
if (uc->config.pkt_mode)
d = udma_prep_slave_sg_pkt(uc, sgl, sglen, dir, tx_flags,
context);