Commit f37d135b authored by Niravkumar L Rabara's avatar Niravkumar L Rabara Committed by Miquel Raynal
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mtd: rawnand: cadence: fix incorrect device in dma_unmap_single 



dma_map_single is using physical/bus device (DMA) but dma_unmap_single
is using framework device(NAND controller), which is incorrect.
Fixed dma_unmap_single to use correct physical/bus device.

Fixes: ec4ba01e ("mtd: rawnand: Add new Cadence NAND driver to MTD subsystem")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarNiravkumar L Rabara <niravkumar.l.rabara@intel.com>
Signed-off-by: default avatarMiquel Raynal <miquel.raynal@bootlin.com>
parent d76d22b5

drivers/mtd/nand/raw/cadence-nand-controller.c

+2 −2
Original line number Diff line number Diff line
@@ -1863,12 +1863,12 @@ static int cadence_nand_slave_dma_transfer(struct cdns_nand_ctrl *cdns_ctrl, 
	dma_async_issue_pending(cdns_ctrl->dmac);

	wait_for_completion(&finished);



	dma_unmap_single(cdns_ctrl->dev, buf_dma, len, dir);

	dma_unmap_single(dma_dev->dev, buf_dma, len, dir);



	return 0;



err_unmap:

	dma_unmap_single(cdns_ctrl->dev, buf_dma, len, dir);

	dma_unmap_single(dma_dev->dev, buf_dma, len, dir);



err:

	dev_dbg(cdns_ctrl->dev, "Fall back to CPU I/O\n");