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From: Pratyush Yadav <pratyush@kernel.org>
To: Haibo Chen <haibo.chen@nxp.com>
Cc: Tudor Ambarus <tudor.ambarus@linaro.org>,
	 Pratyush Yadav <pratyush@kernel.org>,
	 Michael Walle <mwalle@kernel.org>,
	 Miquel Raynal <miquel.raynal@bootlin.com>,
	 Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	 linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	 imx@lists.linux.dev,  han.xu@nxp.com
Subject: Re: [PATCH v3] mtd: spi-nor: micron-st: add SNOR_CMD_PP_8_8_8_DTR sfdp fixup for mt35xu512aba
Date: Fri, 13 Mar 2026 11:04:17 +0000	[thread overview]
Message-ID: <2vxz8qbwf0su.fsf@kernel.org> (raw)
In-Reply-To: <20251223-nor-v3-1-09e26797a8b5@nxp.com> (Haibo Chen's message of "Tue, 23 Dec 2025 11:01:02 +0800")

On Tue, Dec 23 2025, Haibo Chen wrote:

> Find two batches mt35xu512aba has different SFDP but with same
> jedec ID. The batch which use the new version of SFDP contain
> all the necessary information to support OCT DTR mode. The batch
> with old version do not contain the OCT DTR command information,
> but in fact it did support OCT DTR mode.
>
> Current mt35xu512aba_post_sfdp_fixup() add some setting including
> SNOR_CMD_READ_8_8_8_DTR, but still lack SNOR_CMD_PP_8_8_8_DTR. Meet
> issue on the batch mt35xu512aba with old SFDP version. Because no
> SNOR_CMD_PP_8_8_8_DTR, micron_st_nor_octal_dtr_en() will not be
> called, then use SNOR_CMD_READ_8_8_8_DTR will meet issue.
>
> Fixes: 44dd635cd632 ("mtd: spi-nor: micron-st: use SFDP of mt35xu512aba")
> Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
> Signed-off-by: Haibo Chen <haibo.chen@nxp.com>

Applied to spi-nor/next. Thanks!

[...]

-- 
Regards,
Pratyush Yadav

WARNING: multiple messages have this Message-ID (diff)
From: Pratyush Yadav <pratyush@kernel.org>
To: Haibo Chen <haibo.chen@nxp.com>
Cc: Tudor Ambarus <tudor.ambarus@linaro.org>,
	 Pratyush Yadav <pratyush@kernel.org>,
	 Michael Walle <mwalle@kernel.org>,
	 Miquel Raynal <miquel.raynal@bootlin.com>,
	 Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	 linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	 imx@lists.linux.dev,  han.xu@nxp.com
Subject: Re: [PATCH v3] mtd: spi-nor: micron-st: add SNOR_CMD_PP_8_8_8_DTR sfdp fixup for mt35xu512aba
Date: Fri, 13 Mar 2026 11:04:17 +0000	[thread overview]
Message-ID: <2vxz8qbwf0su.fsf@kernel.org> (raw)
In-Reply-To: <20251223-nor-v3-1-09e26797a8b5@nxp.com> (Haibo Chen's message of "Tue, 23 Dec 2025 11:01:02 +0800")

On Tue, Dec 23 2025, Haibo Chen wrote:

> Find two batches mt35xu512aba has different SFDP but with same
> jedec ID. The batch which use the new version of SFDP contain
> all the necessary information to support OCT DTR mode. The batch
> with old version do not contain the OCT DTR command information,
> but in fact it did support OCT DTR mode.
>
> Current mt35xu512aba_post_sfdp_fixup() add some setting including
> SNOR_CMD_READ_8_8_8_DTR, but still lack SNOR_CMD_PP_8_8_8_DTR. Meet
> issue on the batch mt35xu512aba with old SFDP version. Because no
> SNOR_CMD_PP_8_8_8_DTR, micron_st_nor_octal_dtr_en() will not be
> called, then use SNOR_CMD_READ_8_8_8_DTR will meet issue.
>
> Fixes: 44dd635cd632 ("mtd: spi-nor: micron-st: use SFDP of mt35xu512aba")
> Reviewed-by: Pratyush Yadav <pratyush@kernel.org>
> Signed-off-by: Haibo Chen <haibo.chen@nxp.com>

Applied to spi-nor/next. Thanks!

[...]

-- 
Regards,
Pratyush Yadav

______________________________________________________
Linux MTD discussion mailing list
http://lists.infradead.org/mailman/listinfo/linux-mtd/

  parent reply	other threads:[~2026-03-13 11:04 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-12-23  3:01 [PATCH v3] mtd: spi-nor: micron-st: add SNOR_CMD_PP_8_8_8_DTR sfdp fixup for mt35xu512aba Haibo Chen
2025-12-23  3:01 ` Haibo Chen
2026-01-29  1:53 ` Bough Chen
2026-01-29  1:53   ` Bough Chen
2026-02-09 10:04 ` Michael Walle
2026-02-09 10:04   ` Michael Walle
2026-03-13 11:04 ` Pratyush Yadav [this message]
2026-03-13 11:04   ` Pratyush Yadav

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