On Mon, Nov 16, 2015 at 02:37:35PM +0100, Boris Brezillon wrote:
> Some drivers are retrieving the nand_chip pointer using the container_of
> macro on a struct wrapping both the nand_chip and the mtd_info struct while
> the standard way of retrieving this pointer is through mtd->priv.
> Provide an helper to do that.
>
> Signed-off-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>
> ---
> include/linux/mtd/nand.h | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
> index 4f7c9b9..056d165 100644
> --- a/include/linux/mtd/nand.h
> +++ b/include/linux/mtd/nand.h
> @@ -730,6 +730,11 @@ static inline struct device_node *nand_get_flash_node(struct nand_chip *chip)
> return chip->flash_node;
> }
>
> +static inline struct nand_chip *mtd_to_nand(struct mtd_info *mtd)
> +{
> + return mtd->priv;
> +}
> +
Pushed this patch to l2-mtd.git, though I rebased it directly onto
4.4-rc1 and then merged it in. That way, if any other subsystems want to
start using this in the 4.5 -next cycle (e.g., for patches 4-8), they
can pull it in without taking the rest of MTD.
I can push this to a separate branch or signed tag, if anyone wants.
Or, I can take the arch/ patches via MTD, if that's a better option.
Brian
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