From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 9A6F9C88E72 for ; Thu, 17 Sep 2026 12:42:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=b5pFPGqe9fkXae+NNN8OM8XjwAwml0dL60Ifv45g+Io=; b=M1xV7yjZXcivkk h7SVP6/TXrY4aDkhTsKUXtGAQVwpBC4w8YwXbk/qLWMLHaH2KnoJtyr1+aZKW0mHplCuerEBEWr44 MAJ7n7Qn0ZW0l+vhtjeZxPOfiW/HAzrGSGRi9nfderJ5EiO52GkxVcQOrJOlEqRwH4sGZUovxCK1I zd/tO5p3RWaxtXJUlqZgz68zvZl8qphPIKGh7LeKfwQ7LRtEeGChFuk/U/f39+hA6uGn3DwyWz7UG fMAOxmmMZvfOVPZrcL/JtuoG6HJd4z6lk7FPPH3Q49uCzMhAzjfg3wOe3QlJwaJQaxZlf2XnoubWW JMdrwtzdB9JTjf2xLzsQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1x7BRa-0000000BJXp-3XaJ; Thu, 17 Sep 2026 12:42:26 +0000 Received: from smtpout-03.galae.net ([185.246.85.4]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1x7BRX-0000000BJXG-0Tuf for linux-mtd@lists.infradead.org; Thu, 17 Sep 2026 12:42:25 +0000 Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-03.galae.net (Postfix) with ESMTPS id 7CDC14E40796; Thu, 17 Sep 2026 12:42:19 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 4F8F25FAA3; Thu, 17 Sep 2026 12:42:19 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 48A9711C7B02B; Thu, 17 Sep 2026 14:42:12 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1789648934; h=from:subject:date:message-id:to:cc:mime-version:content-type: in-reply-to:references; bh=PG9s/lQpyWWgyfajfquVuT6dwzIWQ6vycJmpjWt0HLY=; b=LqJ4BvtD8bIdtKDNwHMo0d/OrXqlDOs0fVG1ddICEofuOn1fsTso7l/fYR0gWiq+0Xq9v1 9x9JRS9AibiILUK+iPiAkQxIzx6mgPYIz5asidtJfQJ5Noot658VFCazbUiwl9bbNVJ0Vs J/Bxp9Ky9nc0OPWmGE4hvk0GcjgVlmRCWWPfMiTxL5/aQxQrE+O8TfrdVe4D4iT2hXcphe Z5vEXWSSgSQGFlq10qo74xaO1W6ug0OYJUcxeRMu4HJ9zusmJ/0lF+Jdw/JbNc6yNCzJUv 7hyJRnfvojKeAMvAivZVlCEkDqrgI7CWMMFFCL6LD73R4ZEO50BRnG7rrhohdg== From: Miquel Raynal To: Takahiro Kuwano via B4 Relay Cc: Pratyush Yadav , Michael Walle , Richard Weinberger , Vignesh Raghavendra , 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 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") References: <20260917-sfdp_size-v1-1-c1cdb1003f48@infineon.com> User-Agent: mu4e 1.12.12; emacs 30.2 Date: Thu, 17 Sep 2026 14:42:11 +0200 Message-ID: <87jyokjbh8.fsf@bootlin.com> MIME-Version: 1.0 X-Last-TLS-Session-Version: TLSv1.3 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260917_054223_314621_A0B1EB9B X-CRM114-Status: UNSURE ( 6.52 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-mtd@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org On 17/09/2026 at 14:02:15 +09, Takahiro Kuwano via B4 Relay wrote: > From: Takahiro Kuwano > > 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 > Suggested-by: Michael Walle > Signed-off-by: Takahiro Kuwano Acked-by: Miquel Raynal ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/