linux-kernel - Re: [PATCH] mtd: spi-nor: macronix: workaround for device id re-use

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Date: Mon, 03 Jun 2024 10:25:44 +0200
From: "Michael Walle" <mwalle@...nel.org>
To: "Esben Haabendal" <esben@...nix.com>
Cc: "Tudor Ambarus" <tudor.ambarus@...aro.org>, "Pratyush Yadav"
 <pratyush@...nel.org>, "Miquel Raynal" <miquel.raynal@...tlin.com>,
 "Richard Weinberger" <richard@....at>, "Vignesh Raghavendra"
 <vigneshr@...com>, <linux-mtd@...ts.infradead.org>,
 <linux-kernel@...r.kernel.org>, "Rasmus Villemoes"
 <rasmus.villemoes@...vas.dk>
Subject: Re: [PATCH] mtd: spi-nor: macronix: workaround for device id re-use

Hi,

> > In that case, I'd rather see a new flag in .no_sfdp_flags
> > to explicitly trigger the SFDP read. Then your new flash would only
> > need this flag and doesn't require the shenanigans with the fixup,
> > right?
>
> I fixup would still be required in order to enable 1-2-2 for MX25L3205D,
> as it will fail the SFDP read, but actually does support 1-2-2.

But you (probably) don't care and we also don't care for the
additional speed. So, I'd rather drop that code that is just there
for that ancient EoL flash.

-michael

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