[PATCH] nvmem: brcm_nvram: store a copy of NVRAM content

[Arınç ÜNAL]

On 14.09.2023 09:49, Rafał Miłecki wrote:
> From: Rafał Miłecki <rafal at milecki.pl>
> 
> This driver uses MMIO access for reading NVRAM from a flash device.
> Underneath there is a flash controller that reads data and provides
> mapping window.
> 
> Using MMIO interface affects controller configuration and may break real
> controller driver. It was reported by multiple users of devices with
> NVRAM stored on NAND.
> 
> Modify driver to read & cache all NVRAM content during init and use that
> copy to provide NVMEM data when requested.
> 
> Link: https://lore.kernel.org/linux-mtd/CACna6rwf3_9QVjYcM+847biTX=K0EoWXuXcSMkJO1Vy_5vmVqA@mail.gmail.com/
> Cc: Arınç ÜNAL <arinc.unal at arinc9.com>
> Cc: Florian Fainelli <florian.fainelli at broadcom.com>
> Cc: Scott Branden <scott.branden at broadcom.com>
> Signed-off-by: Rafał Miłecki <rafal at milecki.pl>

This is a bug fix, could you add a "Fixes" tag so it will be backported to
stable releases?

Arınç