linux-kernel - Re: [PATCH] mtd: spi-nor: Enable locking for n25q00a

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Message-Id: <DE6R76H9N8H0.NKHN0YUTE8LL@kernel.org>
Date: Wed, 12 Nov 2025 14:34:20 +0100
From: "Michael Walle" <mwalle@...nel.org>
To: "Miquel Raynal" <miquel.raynal@...tlin.com>, "Sean Anderson"
 <sean.anderson@...ux.dev>
Cc: "Tudor Ambarus" <tudor.ambarus@...aro.org>, "Pratyush Yadav"
 <pratyush@...nel.org>, <linux-mtd@...ts.infradead.org>, "Richard
 Weinberger" <richard@....at>, <linux-kernel@...r.kernel.org>, "Vignesh
 Raghavendra" <vigneshr@...com>
Subject: Re: [PATCH] mtd: spi-nor: Enable locking for n25q00a

On Wed Nov 12, 2025 at 2:20 PM CET, Miquel Raynal wrote:
> I forgot to mention: I don't like this interface because it is not very
> user friendly, but this is uAPI, so set in stone. As part of my journey
> in the SPI NOR swp.c file, I wrote a debugfs interface to help
> visualizing what is actually locked. It is absolutely trivial to do and
> helps a lot. We might want to use that for writing some kind of testing
> procedure — I will share it soon.

Yes please, that sounds very good. We might also want to just raw
dump the SR (and maybe CR/SR2 if we somehow can infer it's
existence).

-michael

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