Re: [PATCH 4/8] block: implement NVMEM provider

[Bart Van Assche <bvanassche@acm.org>]

On 3/21/24 12:34, Daniel Golle wrote:
> On embedded devices using an eMMC it is common that one or more partitions
> on the eMMC are used to store MAC addresses and Wi-Fi calibration EEPROM
> data. Allow referencing the partition in device tree for the kernel and
> Wi-Fi drivers accessing it via the NVMEM layer.

Why to store calibration data in a partition instead of in a file on a
filesystem?

> diff --git a/MAINTAINERS b/MAINTAINERS
> index 8c88f362feb55..242a0a139c00a 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -3662,6 +3662,11 @@ L:	linux-mtd@lists.infradead.org
>   S:	Maintained
>   F:	drivers/mtd/devices/block2mtd.c
>   
> +BLOCK NVMEM DRIVER
> +M:	Daniel Golle <daniel@makrotopia.org>
> +S:	Maintained
> +F:	block/blk-nvmem.c

Why to add this functionality to the block layer instead of somewhere
in the drivers/ directory?

Thanks,

Bart.