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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Takahiro Kuwano via B4 Relay
	<devnull+takahiro.kuwano.infineon.com@kernel.org>
Cc: Pratyush Yadav <pratyush@kernel.org>,
	 Michael Walle <mwalle@kernel.org>,
	 Richard Weinberger <richard@nod.at>,
	 Vignesh Raghavendra <vigneshr@ti.com>,
	 takahiro.kuwano@infineon.com, linux-mtd@lists.infradead.org,
	 linux-kernel@vger.kernel.org
Subject: Re: [PATCH] mtd: spi-nor: sfdp: Increase SFDP data size limit to 16 KiB
Date: Thu, 17 Sep 2026 14:42:11 +0200	[thread overview]
Message-ID: <87jyokjbh8.fsf@bootlin.com> (raw)
In-Reply-To: <20260917-sfdp_size-v1-1-c1cdb1003f48@infineon.com> (Takahiro Kuwano via's message of "Thu, 17 Sep 2026 14:02:15 +0900")

On 17/09/2026 at 14:02:15 +09, Takahiro Kuwano via B4 Relay <devnull+takahiro.kuwano.infineon.com@kernel.org> wrote:

> From: Takahiro Kuwano <takahiro.kuwano@infineon.com>
>
> The size of SFDP data read and cached is limited to avoid allocating
> too much memory. The current limit is PAGE_SIZE, but the Spansion S25FS256S
> has parameter tables at offsets beyond 4 KiB.
>
> Increase the limit to 16 KiB to support such devices by introducing the
> SFDP_MAX_SIZE macro.
>
> Suggested-by: Miquel Raynal <miquel.raynal@bootlin.com>
> Suggested-by: Michael Walle <mwalle@kernel.org>
> Signed-off-by: Takahiro Kuwano <takahiro.kuwano@infineon.com>

Acked-by: Miquel Raynal <miquel.raynal@bootlin.com>

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

  reply	other threads:[~2026-09-17 12:42 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-17  5:02 [PATCH] mtd: spi-nor: sfdp: Increase SFDP data size limit to 16 KiB Takahiro Kuwano via B4 Relay
2026-09-17  5:02 ` Takahiro Kuwano
2026-09-17 12:42 ` Miquel Raynal [this message]
2026-09-18 11:31 ` Michael Walle

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