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

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Message-ID: <877cf6ie3p.fsf@geanix.com>
Date: Mon, 03 Jun 2024 11:12:58 +0200
From: Esben Haabendal <esben@...nix.com>
To: "Michael Walle" <mwalle@...nel.org>
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

"Michael Walle" <mwalle@...nel.org> writes:

> 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.

Fine with me. Because you are right, I don't personally care. I don't
have any boards with the ancient 3205d part.

/Esben