5.15-stable review patch. If anyone has any objections, please let me know.
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From: Niravkumar L Rabara niravkumar.l.rabara@intel.com
commit f37d135b42cb484bdecee93f56b9f483214ede78 upstream.
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: ec4ba01e894d ("mtd: rawnand: Add new Cadence NAND driver to MTD subsystem") Cc: stable@vger.kernel.org Signed-off-by: Niravkumar L Rabara niravkumar.l.rabara@intel.com Signed-off-by: Miquel Raynal miquel.raynal@bootlin.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/mtd/nand/raw/cadence-nand-controller.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/mtd/nand/raw/cadence-nand-controller.c +++ b/drivers/mtd/nand/raw/cadence-nand-controller.c @@ -1858,12 +1858,12 @@ static int cadence_nand_slave_dma_transf 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");