linux-kernel - Re: [PATCH 0/2] mtd: spi-nor: macronix: reading SFDP by all Macronix chips

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Message-ID: <877cayj2va.fsf@geanix.com>
Date: Thu, 26 Sep 2024 09:22:33 +0200
From: Esben Haabendal <esben@...nix.com>
To: Erez Geva <erezgeva@...ime.org>
Cc: linux-mtd@...ts.infradead.org,  Tudor Ambarus
 <tudor.ambarus@...aro.org>,  Pratyush Yadav <pratyush@...nel.org>,
  Michael Walle <mwalle@...nel.org>,  linux-kernel@...r.kernel.org,  Miquel
 Raynal <miquel.raynal@...tlin.com>,  Richard Weinberger <richard@....at>,
  Vignesh Raghavendra <vigneshr@...com>,  Erez Geva <ErezGeva2@...il.com>
Subject: Re: [PATCH 0/2] mtd: spi-nor: macronix: reading SFDP by all
 Macronix chips

Erez Geva <erezgeva@...ime.org> writes:

> From: Erez Geva <ErezGeva2@...il.com>
>
> Add reading SFDP to all Macronix chips.
> All chips in the Macronix competabilites table
> have a replacement chip that support SFDP.
> Macronix stop producing any chip without SFDP 15 years ago.
> The benefit of reading SFDP is by supporting
> fater op-codes for newer chips.
>
> This patch do not add an all flashes support.
> This patch extend the already support of SFDP to all Macronix chips.
> The new chips that reuse JEDEC IDs and chips that
> are absend from the Macronix competabilites table.
> The patch just remove the restriction!

Hi Erez

Did you see the response I got to the last revision of my patch series
that tries to resolve the same problem that you are adressing?

https://lore.kernel.org/all/D2NGXHZ2VTK0.M0AOB4CM7MHM@kernel.org/

I think we should try go go in that direction. It sounds like it would
be a simple solution that would improve the overall situation, not just
for Macronix.

/Esben