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From: Tudor Ambarus <tudor.ambarus@linaro.org>
To: Bough Chen <haibo.chen@nxp.com>,
	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>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"imx@lists.linux.dev" <imx@lists.linux.dev>
Subject: Re: [PATCH 3/4] mtd: spi-nor: micron-st: add mt35xu01gbba support
Date: Tue, 11 Nov 2025 10:23:40 +0200	[thread overview]
Message-ID: <afe767f4-6534-40d7-b4c2-f4bf16cb74e3@linaro.org> (raw)
In-Reply-To: <DU0PR04MB949675657F9A4C52A0C5E19B90CFA@DU0PR04MB9496.eurprd04.prod.outlook.com>

did you use html format when replying? Use plaintext, please.

On 11/11/25 9:54 AM, Bough Chen wrote:
>>> +		.size = SZ_128M,
> I did consider to remove the size and other flags since SFDP can handle that, but if remove the .size here.
> Micron spi-nor do not have a chance to execute
> 
> params->set_octal_dtr = micron_st_nor_set_octal_dtr;
> 
> because in micron-st, params->set_octal_dtr is defined in flash_info->fixups-> default_init.
> And flash_info->fixups-> default_init can only be called in spi_nor_init_params_deprecated-> spi_nor_manufacturer_init_params
> If no .size define in flash_info, spi_nor_needs_sfdp() will return true, no chance to call spi_nor_init_params_deprecated.
> 
> If need to remove the .size here, seems to move the params->set_octal_dtr to spi_nor_manufacturer-> fixups-> late_init or flash_info->fixups->late_init.
> 
> I notice macronix already did like that, I will add this change in the next version.

Yes, move that to late_int(). We'd like to remove default_init()
if possible.

Cheers,
ta

  reply	other threads:[~2025-11-11  8:23 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-10  4:02 [PATCH 0/4] mtd: spi-nor: micron-st: add die erase for micron spi nor chip Haibo Chen
2025-11-10  4:02 ` [PATCH 1/4] mtd: spi-nor: micron-st: rename the die_late_init functions Haibo Chen
2025-11-10  6:32   ` Tudor Ambarus
2025-11-10  4:02 ` [PATCH 2/4] mtd: spi-nor: micron-st: add die erase for mt35xu512aba Haibo Chen
2025-11-10  6:38   ` Tudor Ambarus
2025-11-11  7:36     ` Bough Chen
2025-11-10  4:02 ` [PATCH 3/4] mtd: spi-nor: micron-st: add mt35xu01gbba support Haibo Chen
2025-11-10  6:42   ` Tudor Ambarus
2025-11-11  7:54     ` Bough Chen
2025-11-11  8:23       ` Tudor Ambarus [this message]
2025-11-10  4:02 ` [PATCH 4/4] mtd: spi-nor: micron-st: enable 8D-8D-8D mode and die erase for mt35xu02gcba Haibo Chen
2025-11-10  6:45   ` Tudor Ambarus
2025-11-11  8:00     ` Bough Chen
2025-11-11  8:29       ` Tudor Ambarus
2025-11-11  8:33         ` Bough Chen

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