From: Peter Ujfalusi peter.ujfalusi@ti.com
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
--- drivers/mtd/nand/onenand/omap2.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/mtd/nand/onenand/omap2.c +++ b/drivers/mtd/nand/onenand/omap2.c @@ -328,7 +328,8 @@ static inline int omap2_onenand_dma_tran 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;