[PATCH v4 12/14] dfu_mtd: Ignore non-implemented lock device failure

[Sughosh Ganu]

On Wed, 19 May 2021 at 11:16, Masami Hiramatsu <masami.hiramatsu at linaro.org>
wrote:

> Ignore the non-implemented lock device failure on writing mtd
> via DFU. Without this fix, DFU write shows an error on such device
> even if it succeeded, because dfu->write_medium returns -EOPNOTSUPP.
>
> Signed-off-by: Masami Hiramatsu <masami.hiramatsu at linaro.org>
> Cc: Lukasz Majewski <lukma at denx.de>
> ---
>  drivers/dfu/dfu_mtd.c |    2 ++
>  1 file changed, 2 insertions(+)
>

A patch has already been submitted for this[1].

Patrick, can you please apply this in your tree and send it as part of the
next PR. Thanks.

-sughosh

[1] - https://lists.denx.de/pipermail/u-boot/2021-March/443896.html



> diff --git a/drivers/dfu/dfu_mtd.c b/drivers/dfu/dfu_mtd.c
> index ca67585a7e..e58302c32d 100644
> --- a/drivers/dfu/dfu_mtd.c
> +++ b/drivers/dfu/dfu_mtd.c
> @@ -152,6 +152,8 @@ static int mtd_block_op(enum dfu_op op, struct
> dfu_entity *dfu,
>                 ret = mtd_lock(mtd, lock_ofs, lock_len);
>                 if (ret && ret != -EOPNOTSUPP)
>                         printf("MTD device lock failed\n");
> +               if (ret == -EOPNOTSUPP)
> +                       ret = 0;
>         }
>         return ret;
>  }
>
>