From: "Michael Walle" <mwalle@kernel.org>
To: "Erez" <erezgeva2@gmail.com>
Cc: "Tudor Ambarus" <tudor.ambarus@linaro.org>,
"Erez Geva" <erezgeva@nwtime.org>,
<linux-mtd@lists.infradead.org>,
"Pratyush Yadav" <pratyush@kernel.org>,
<linux-kernel@vger.kernel.org>,
"Miquel Raynal" <miquel.raynal@bootlin.com>,
"Richard Weinberger" <richard@nod.at>,
"Vignesh Raghavendra" <vigneshr@ti.com>,
<devicetree@vger.kernel.org>, "Rob Herring" <robh@kernel.org>,
"Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Esben Haabendal" <esben@geanix.com>
Subject: Re: [PATCH v5 1/5] mtd: spi-nor: core: add manufacturer flags
Date: Mon, 23 Sep 2024 18:19:15 +0200 [thread overview]
Message-ID: <D4DSTDA3HE2B.20ACE70SQAL7A@kernel.org> (raw)
In-Reply-To: <CANeKEMPSoUu7GW5bL8nuyC5xCKG7Tt0=SvWTL_CcX5oebqN_YA@mail.gmail.com>
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Hi,
> > > I would gladly remove the obsolete mx25l12805d.
> > Why? I don't see any need for that.
> Maybe because we do not want compatibility table?
I don't get this? Anyway, we do not remove support for older
flashes for no reason.
> No, reading the SFDP is great.
> Except for OTP parameters/configuration.
> As there is not way to find OTP parameters using JEDEC ID/SFDP
> So as I understand there are only 2 ways to set the OTP parameters:
> * Use a compatibility.
> * Use dynamic OTP configuration, through DT, sysfs,
* Use the in-kernel database to look up the parameters as it is done
with any other flash device. If the id is reused, look for
differences in the SFDP to figure out the correct flash device,
then add some .fixups to manually add the OTP flags and
parameters.
-michael
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next prev parent reply other threads:[~2024-09-23 16:19 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-20 18:12 [PATCH v5 0/5] Add support for SPI-NOR Macronix OTP Erez Geva
2024-09-20 18:12 ` [PATCH v5 1/5] mtd: spi-nor: core: add manufacturer flags Erez Geva
2024-09-23 6:04 ` Tudor Ambarus
2024-09-23 10:31 ` Erez
2024-09-23 10:46 ` Michael Walle
2024-09-23 13:25 ` Erez
2024-09-23 16:19 ` Michael Walle [this message]
2024-09-23 16:31 ` Erez
2024-09-23 18:04 ` Tudor Ambarus
2024-09-23 18:21 ` Tudor Ambarus
2024-09-26 7:46 ` Esben Haabendal
2024-09-26 11:08 ` Erez
2024-09-26 11:37 ` Esben Haabendal
2024-09-26 13:16 ` Erez
2024-09-23 12:07 ` Tudor Ambarus
2024-09-23 13:01 ` Erez
2024-09-23 14:18 ` Tudor Ambarus
2024-09-23 14:51 ` Erez
2024-09-23 17:52 ` Tudor Ambarus
2024-09-23 19:30 ` Erez
2024-09-23 21:41 ` Erez
2024-09-24 6:04 ` Tudor Ambarus
2024-09-24 6:01 ` Tudor Ambarus
2024-09-20 18:12 ` [PATCH v5 2/5] mtd: spi-nor: core: add generic functions Erez Geva
2024-09-20 18:12 ` [PATCH v5 3/5] dt-bindings: mtd: spi-nor: add OTP parameters Erez Geva
2024-09-22 20:40 ` Krzysztof Kozlowski
2024-09-23 9:21 ` Erez
2024-09-23 15:42 ` Krzysztof Kozlowski
2024-09-23 15:49 ` Erez
2024-09-20 18:12 ` [PATCH v5 4/5] mtd: spi-nor: macronix: add support for OTP Erez Geva
2024-09-20 18:12 ` [PATCH v5 5/5] mtd: spi-nor: macronix: add manufacturer flags Erez Geva
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