On Fri Jun 28, 2024 at 6:30 PM CEST, Erez wrote: > I do not know why they decided to use the same JEDEC ID for two chips. > Your guess is as good as mine. That's a common pattern and we try hard to figure that out during probe time instead of hardcoding it. E.g. by looking at the SFDP data. Have a look at various fixups in drivers/mtd/spi-nor/. compatibles are really the last resort to distinguish flash devices. Next time, please mention such information in the commit message, please. Also please have a look at https://docs.kernel.org/driver-api/mtd/spi-nor.html -michael