1 files changed, 3 insertions, 5 deletions

diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c
index 7aa58d204892..bf0d7e4e345b 100644
--- a/drivers/dma/at_hdmac.c
+++ b/drivers/dma/at_hdmac.c
@@ -221,10 +221,6 @@ static void atc_dostart(struct at_dma_chan *atchan, struct at_desc *first)
 
         vdbg_dump_regs(atchan);
 
-        /* clear any pending interrupt */
-        while (dma_readl(atdma, EBCISR))
-                cpu_relax();
-
         channel_writel(atchan, SADDR, 0);
         channel_writel(atchan, DADDR, 0);
         channel_writel(atchan, CTRLA, 0);
@@ -249,7 +245,9 @@ atc_chain_complete(struct at_dma_chan *atchan, struct at_desc *desc)
         dev_vdbg(chan2dev(&atchan->chan_common),
                 "descriptor %u complete\n", txd->cookie);
 
-        dma_cookie_complete(txd);
+        /* mark the descriptor as complete for non cyclic cases only */
+        if (!atc_chan_is_cyclic(atchan))
+                dma_cookie_complete(txd);
 
         /* move children to free_list */
         list_splice_init(&desc->tx_list, &atchan->free_list);