Hello Boris!
On Thu, 13 Dec 2018 20:22:27 +0100
Boris Brezillon <boris.brezillon@xxxxxxxxxxx> wrote:
> Commit e1e6255c311b ("mtd: rawnand: omap2: convert driver to
> nand_scan()") moved part of the init code in the ->attach_chip hook
> and at the same time changed the struct device object passed to
> dma_request_chan() (&pdev->dev instead of pdev->dev.parent).
>
> Fixes: e1e6255c311b ("mtd: rawnand: omap2: convert driver to nand_scan()")
> Reported-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
Yes, it was it, thank you!
Tested-by: Alexander Sverdlin <alexander.sverdlin@xxxxxxxxx>
> Cc: <stable@xxxxxxxxxxxxxxx>
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxx>
> ---
> Changes in v2:
> - Fix the prefix
> ---
> drivers/mtd/nand/raw/omap2.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c
> index 886d05c391ef..68e8b9f7f372 100644
> --- a/drivers/mtd/nand/raw/omap2.c
> +++ b/drivers/mtd/nand/raw/omap2.c
> @@ -1944,7 +1944,7 @@ static int omap_nand_attach_chip(struct nand_chip *chip)
> case NAND_OMAP_PREFETCH_DMA:
> dma_cap_zero(mask);
> dma_cap_set(DMA_SLAVE, mask);
> - info->dma = dma_request_chan(dev, "rxtx");
> + info->dma = dma_request_chan(dev->parent, "rxtx");
>
> if (IS_ERR(info->dma)) {
> dev_err(dev, "DMA engine request failed\n");
> --
> 2.17.1
>
--
Alexander Sverdlin.
