[PATCH v3 15/23] mtd: spi-nor: winbond: Prepare introduction of W25QxxRV-M parts

Michael Walle mwalle at kernel.org
Fri Aug 14 02:50:42 PDT 2026


On Thu Aug 13, 2026 at 5:19 PM CEST, Miquel Raynal wrote:
> There is an ID collision between the JV and RV families. Both chips are
> very similar in practice, it is mostly a matter of electrical
> differences (mostly power consumption being lower).
>
> As a significant difference, RV chips identify themselves as supporting
> The new SFDP (rev F) field which forces an alternate write SR2 opcode
> (0x31).
>
> Since they share the IDs but not the names, we must hide the names using
> a fixup.
>
> Signed-off-by: Miquel Raynal <miquel.raynal at bootlin.com>

Reviewed-by: Michael Walle <mwalle at kernel.org>
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