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

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

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

Acked-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>

> ---
>  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;

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