[PATCH] mtd: spi-nor: infineon: add Cypress (Ramtron) CY15B102QN F-RAM support

[Michael Walle]

Hi,

>> > Similar sad story as with "cy15x104q" where JEDEC ID comes last-byte-first.
>> 
>> Please have a look at
>> https://lore.kernel.org/linux-mtd/20240729102016.8527-2-alessandro.zini@siemens.com/
>> 
>> TLDR, please have a look at at25.c.
> 
> It unfortunately doesn't work with SPI host drivers which only 
> implement spi-mem API.
> Or did I miss something? Otherwise "cy15x104q" could also be handled by 
> at25.c.

The solution here is to add spi-mem support to the at25 driver :) Maybe 
you
can work together wit Hui Wang [1].

-michael

[1] 
https://lore.kernel.org/linux-mtd/20240408124328.777375-1-hui.wang@canonical.com/