Re: [PATCH 1/3] mtd: name the mtd device with an optional label property

Boris Brezillon
2017-01-16T13:32:53Z

On Mon, 16 Jan 2017 14:27:03 +0100
Cédric Le Goater <clg@kaod.org> wrote:

> This can be used to easily identify a specific chip on a system with
> multiple chips.
>
> Suggested-by: Boris Brezillon <boris.brezillon@free-electrons.com>
> Signed-off-by: Cédric Le Goater <clg@kaod.org>

Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com>

> ---
> drivers/mtd/mtdcore.c | 7 +++++++
> 1 file changed, 7 insertions(+)
>
> diff --git a/drivers/mtd/mtdcore.c b/drivers/mtd/mtdcore.c
> index 052772f7caef..bf61557b599d 100644
> --- a/drivers/mtd/mtdcore.c
> +++ b/drivers/mtd/mtdcore.c
> @@ -654,6 +654,13 @@ static int mtd_add_device_partitions(struct mtd_info *mtd,
> */
> static void mtd_set_dev_defaults(struct mtd_info *mtd)
> {
> + /*
> + * If DT support is enabled and we have a valid of_node pointer, try to
> + * extract the MTD name from the label property.
> + */
> + if (IS_ENABLED(CONFIG_OF) && mtd->dev.of_node)
> + of_property_read_string(mtd->dev.of_node, "label", &mtd->name);
> +
> if (mtd->dev.parent) {
> if (!mtd->owner && mtd->dev.parent->driver)
> mtd->owner = mtd->dev.parent->driver->owner;