linux-kernel - Re: [PATCH v2 1/3] mtd: spi-nor: macronix: Drop the redundant flash info fields

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Message-Id: <DD10QMSJVZ2K.26U45JAXV5EY7@kernel.org>
Date: Wed, 24 Sep 2025 14:10:56 +0200
From: "Michael Walle" <mwalle@...nel.org>
To: "Cheng Ming Lin" <linchengming884@...il.com>, "Tudor Ambarus"
 <tudor.ambarus@...aro.org>
Cc: "Guenter Roeck" <linux@...ck-us.net>, "Pratyush Yadav"
 <pratyush@...nel.org>, "Cheng Ming Lin" <chengminglin@...c.com.tw>,
 <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
 <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
 <alvinzhou@...c.com.tw>, <leoyu@...c.com.tw>, "Maarten Zanders"
 <maarten@...ders.be>
Subject: Re: [PATCH v2 1/3] mtd: spi-nor: macronix: Drop the redundant flash
 info fields

> The root cause of this problem lies in the failure of parsing the SFDP
> data for the flash, rather than an issue with the patch itself. I believe
> we should not revert this patch.

I disagree. There are Macronix flashes with that ID which doesn't
have SFDP.  And this patch is dropping support for them. See also
[1]. Now I'm not sure it is worth reverting this commit. Nobody,
except Guenter complained, but only *so far* (and that patch is in
since 6.16). Any opinions?

-michael

[1] https://lore.kernel.org/r/DD10GE4EOCD7.CPTN7198QFUV@kernel.org/ 

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