From: "Michael Walle" <mwalle@kernel.org>
To: "Cheng Ming Lin" <linchengming884@gmail.com>,
"Pratyush Yadav" <pratyush@kernel.org>,
"Takahiro Kuwano" <takahiro.kuwano@infineon.com>,
"Miquel Raynal" <miquel.raynal@bootlin.com>,
"Richard Weinberger" <richard@nod.at>,
"Vignesh Raghavendra" <vigneshr@ti.com>
Cc: <linux-mtd@lists.infradead.org>, <linux-kernel@vger.kernel.org>,
<alvinzhou@mxic.com.tw>,
"Cheng Ming Lin" <chengminglin@mxic.com.tw>,
<stable@vger.kernel.org>
Subject: Re: [PATCH v3 2/2] mtd: spi-nor: macronix: Restore fallback parameters for MX25L12805D
Date: Tue, 11 Aug 2026 08:31:28 +0200 [thread overview]
Message-ID: <DKLWJLDFA3QD.DW07KLCA2H96@kernel.org> (raw)
In-Reply-To: <20260605084837.1875896-3-linchengming884@gmail.com>
On Fri Jun 5, 2026 at 10:48 AM CEST, Cheng Ming Lin wrote:
> From: Cheng Ming Lin <chengminglin@mxic.com.tw>
>
> In a previous effort to drop flash_info fields and rely on SFDP, the
> static size and no_sfdp_flags were removed from the MX25L12805D entry
> (JEDEC ID 0xc22018).
>
> At that time, the legacy MX25L12805D was already EOL and unavailable
> for physical testing. Verification was inadvertently performed using
> the newer MX25L12833F, which shares the same JEDEC ID but supports
> SFDP. As a result, the probe succeeded during testing, leading to
> the mistaken removal of the fallback parameters.
>
> Since the actual MX25L12805D lacks SFDP support entirely, it strictly
> requires these static parameters.
>
> Restore .size = SZ_16M and .no_sfdp_flags = SECT_4K to this entry
> to fix the probe failure for the legacy part.
>
> Fixes: 947c86e481a0 ("mtd: spi-nor: macronix: Drop the redundant flash info fields")
> Cc: stable@vger.kernel.org
> Signed-off-by: Cheng Ming Lin <chengminglin@mxic.com.tw>
Reviewed-by: Michael Walle <mwalle@kernel.org>
next prev parent reply other threads:[~2026-08-11 6:31 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-05 8:48 [PATCH v3 0/2] mtd: spi-nor: macronix: Add support for MX25L12833F and MX25L12845G Cheng Ming Lin
2026-06-05 8:48 ` [PATCH v3 1/2] mtd: spi-nor: " Cheng Ming Lin
2026-08-11 6:31 ` Michael Walle
2026-06-05 8:48 ` [PATCH v3 2/2] mtd: spi-nor: macronix: Restore fallback parameters for MX25L12805D Cheng Ming Lin
2026-08-11 6:31 ` Michael Walle [this message]
2026-08-11 1:22 ` [PATCH v3 0/2] mtd: spi-nor: macronix: Add support for MX25L12833F and MX25L12845G Cheng Ming Lin
2026-08-11 6:31 ` Michael Walle
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