mtd: onenand: omap2: Pass correct flags for prep_dma_memcpy

commit 8bcef0d54067077cf9a6cb129022c77559926e8c upstream.

The commit converting the driver to DMAengine was missing the flags for
the memcpy prepare call.
It went unnoticed since the omap-dma driver was ignoring them.

Fixes: 3ed6a4d1de2c5 (" mtd: onenand: omap2: Convert to use dmaengine for memcp")
Reported-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Tested-by: H. Nikolaus Schaller <hns@goldelico.com>
Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/mtd/nand/onenand/omap2.c b/drivers/mtd/nand/onenand/omap2.c
index 3211371..a1ae05d 100644 (file)
--- a/drivers/mtd/nand/onenand/omap2.c
+++ b/drivers/mtd/nand/onenand/omap2.c
@@ -341,7 +341,8 @@ static inline int omap2_onenand_dma_transfer(struct omap2_onenand *c,
        struct dma_async_tx_descriptor *tx;
        dma_cookie_t cookie;
 
-       tx = dmaengine_prep_dma_memcpy(c->dma_chan, dst, src, count, 0);
+       tx = dmaengine_prep_dma_memcpy(c->dma_chan, dst, src, count,
+                                      DMA_CTRL_ACK | DMA_PREP_INTERRUPT);
        if (!tx) {
                dev_err(&c->pdev->dev, "Failed to prepare DMA memcpy\n");
                return -EIO;