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Date: Fri, 17 Jan 2020 00:17:57 +0100 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Aaro Koskinen <aaro.koskinen@....fi>, Peter Ujfalusi <peter.ujfalusi@...com>, "H. Nikolaus Schaller" <hns@...delico.com>, Miquel Raynal <miquel.raynal@...tlin.com> Subject: [PATCH 4.19 23/84] mtd: onenand: omap2: Pass correct flags for prep_dma_memcpy From: Peter Ujfalusi <peter.ujfalusi@...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@....fi> Signed-off-by: Peter Ujfalusi <peter.ujfalusi@...com> Tested-by: H. Nikolaus Schaller <hns@...delico.com> Tested-by: Aaro Koskinen <aaro.koskinen@....fi> Signed-off-by: Miquel Raynal <miquel.raynal@...tlin.com> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.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 @@ -341,7 +341,8 @@ 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;
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