On Thu,  5 Jul 2018 13:14:58 +0200
Frieder Schrempf <[email protected]> wrote:

> By calling spi_mem_get_name(), the driver of the (Q)SPI controller can
> set a custom name for the memory device if necessary.
> This is useful to keep mtdparts compatible when controller drivers are
> ported from the MTD to the SPI layer.
> 
> Signed-off-by: Frieder Schrempf <[email protected]>
> ---
>  drivers/mtd/devices/m25p80.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/mtd/devices/m25p80.c b/drivers/mtd/devices/m25p80.c
> index e84563d..482f0ef 100644
> --- a/drivers/mtd/devices/m25p80.c
> +++ b/drivers/mtd/devices/m25p80.c
> @@ -199,8 +199,7 @@ static int m25p_probe(struct spi_mem *spimem)
>                       hwcaps.mask |= SNOR_HWCAPS_READ_1_2_2;
>       }
>  
> -     if (data && data->name)
> -             nor->mtd.name = data->name;
> +     nor->mtd.name = spi_mem_get_name(spimem);

Hm, not sure you can do that without breaking setup that pass a
flash_platform_data object with a name.

Also, you should keep the name extracted from the label property if any
(this is done earlier, when spi_nor_set_flash_node() is called).

        if (data && data->name)
                nor->mtd.name = data->name;

        if (!nor->mtd.name)
                nor->mtd.name = spi_mem_get_name(spimem);

>  
>       /* For some (historical?) reason many platforms provide two different
>        * names in flash_platform_data: "name" and "type". Quite often name is

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