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-rw-r--r--drivers/spi/spi-dw-mid.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/spi/spi-dw-mid.c b/drivers/spi/spi-dw-mid.c
index a507add6231e..46c6d58e1fda 100644
--- a/drivers/spi/spi-dw-mid.c
+++ b/drivers/spi/spi-dw-mid.c
@@ -150,7 +150,7 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
&dws->tx_sgl,
1,
DMA_MEM_TO_DEV,
- DMA_PREP_INTERRUPT);
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
txdesc->callback = dw_spi_dma_done;
txdesc->callback_param = dws;
@@ -172,13 +172,17 @@ static int mid_spi_dma_transfer(struct dw_spi *dws, int cs_change)
&dws->rx_sgl,
1,
DMA_DEV_TO_MEM,
- DMA_PREP_INTERRUPT);
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
rxdesc->callback = dw_spi_dma_done;
rxdesc->callback_param = dws;
/* rx must be started before tx due to spi instinct */
dmaengine_submit(rxdesc);
+ dma_async_issue_pending(dws->rxchan);
+
dmaengine_submit(txdesc);
+ dma_async_issue_pending(dws->txchan);
+
return 0;
}