[{"id":3684076,"web_url":"http://patchwork.ozlabs.org/comment/3684076/","msgid":"","list_archive_url":null,"date":"2026-04-29T14:14:38","subject":"Re: [PATCH] mtd: spi-nor: cypress: Add support for CY15V104QSN","submitter":{"id":86646,"url":"http://patchwork.ozlabs.org/api/people/86646/","name":"Michael Walle","email":"mwalle@kernel.org"},"content":"Hi Fabian,\n\nOn Wed Apr 29, 2026 at 3:58 PM CEST, Fabian Pflug wrote:\n> Infineon CY15V104QSN is an FRAM Chip with Quad-SPI interface, a size of\n> 4Mb and a nominal Voltage of 1.8V\n> It should be the same as CY15B104QSN, just with a different Voltage\n> range. (3.0V)\n\nPlease have a look at the at25 driver. This isn't a flash as it\ndoesn't have (not even an emulated) erase command and there are no\nerase blocks. (And I really like to get rid of the NO_ERASE flag.)\n\nBtw, you seem to have an old linux kernel with an outdated\nMAINTAINERS.\n\n-michael","headers":{"Return-Path":"\n ","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=ghwO1guT;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=cBDYVwlG;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org;\n envelope-from=linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from bombadil.infradead.org (bombadil.infradead.org\n [IPv6:2607:7c80:54:3::133])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4g5K7r22LRz1yHX\n\tfor ; Thu, 30 Apr 2026 00:15:00 +1000 (AEST)","from localhost ([::1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux))\n\tid 1wI5gf-00000003jtB-0TXz;\n\tWed, 29 Apr 2026 14:14:49 +0000","from sea.source.kernel.org ([172.234.252.31])\n\tby bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux))\n\tid 1wI5gZ-00000003jqz-3rhS\n\tfor linux-mtd@lists.infradead.org;\n\tWed, 29 Apr 2026 14:14:45 +0000","from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58])\n\tby sea.source.kernel.org (Postfix) with ESMTP id DD48943E44;\n\tWed, 29 Apr 2026 14:14:42 +0000 (UTC)","by smtp.kernel.org (Postfix) with ESMTPSA id 40E20C2BCC4;\n\tWed, 29 Apr 2026 14:14:42 +0000 (UTC)"],"DKIM-Signature":["v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20210309; h=Sender:Content-Type:\n\tList-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:\n\tIn-Reply-To:References:To:From:Cc:Subject:Message-Id:Date:Mime-Version:\n\tReply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date\n\t:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner;\n\tbh=L/Klm9dAe9gaaDdn4W0lDouko/FWKdqBMLTs7UbWMT8=; b=ghwO1guTKF5lfl8rnx3VIgzjiB\n\t27+V4KoGcZa80KQ7CT7Bds+e/p1VWbcG2wPa9p6vMhW2GyPHDLs26DiTSuhgN4c+oDKfN38+qsu2J\n\t9W3TjPBEOdrR5miYm+B7sc3lGsZHIjiuwe1iEMMyULtUjYa01+inTBrWgGmckLyU/fdPfDZ8DyTOD\n\tbU9Gi2JnHfPMG9e8DvObiiZONI+2N1XYPyg7x+i1fxdZlrWQf6MnM6iWfJWSgjMzm/TmaJXhuBeNw\n\teaoGos7rcU99kGt9H8TxGdpqooFqKFHiQfElu0b+xTh+SH4JnZvB0zCaHlb9AWKtsO67+AmOrZM1E\n\tF1WiWHJQ==;","v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org;\n\ts=k20201202; t=1777472082;\n\tbh=mG2lL5KFXP/f8D+DMkXa6LKJ2r3WSigjDZ34JEhzNno=;\n\th=Date:Subject:Cc:From:To:References:In-Reply-To:From;\n\tb=cBDYVwlG2QBJsxw3Fu55k91vmuaP/SfhP4mK2pt3qVWjP7uiTrX90X9E4ysENSLfH\n\t KD3fuUNKz6gM9VrCM/HdLmIfgCjKqy3Ie/XIoNx7/q0pgmG2rzcqdKcjCOK7+lv2/x\n\t +Shdg6RHJom8ukTbGzaK8Y5LfPfQGY8Vf0TSneBDlWU77SrIKvKJogSPO/ht34B3kg\n\t NxGljZh+1lfyTZe1QOMBYRrDAUJUZWdHKFBu3wFAHtNrU1gNNnrsSQZFi69iZj1EJd\n\t pZxDKX56sAMibLa0NpeOg9vv+S1JsssQSe1RIFiKvAejBW8fTlgLJSe2V56296/QW2\n\t 4+kaB6uuUf2+w=="],"Mime-Version":"1.0","Date":"Wed, 29 Apr 2026 16:14:38 +0200","Message-Id":"","Subject":"Re: [PATCH] mtd: spi-nor: cypress: Add support for CY15V104QSN","Cc":", ,\n ","From":"\"Michael Walle\" ","To":"\"Fabian Pflug\" , \"Tudor Ambarus\"\n , \"Pratyush Yadav\" , \"Miquel\n Raynal\" , \"Richard Weinberger\" ,\n \"Vignesh Raghavendra\" ","X-Mailer":"aerc 0.20.0","References":"\n <20260429-v6-18-topic-infineon_fram-v1-1-504d241942a4@pengutronix.de>","In-Reply-To":"\n <20260429-v6-18-topic-infineon_fram-v1-1-504d241942a4@pengutronix.de>","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20260429_071443_975792_16DE646E ","X-CRM114-Status":"GOOD ( 11.26 )","X-Spam-Score":"-2.1 (--)","X-Spam-Report":"Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam. The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: Hi Fabian, On Wed Apr 29, 2026 at 3:58 PM CEST,\n Fabian Pflug\n wrote: > Infineon CY15V104QSN is an FRAM Chip with Quad-SPI interface, a\n size of > 4Mb and a nominal Voltage of 1.8V > It should be the same as\n CY15B1\n [...]\n Content analysis details: (-2.1 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n -0.0 SPF_PASS SPF: sender matches SPF record\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]\n -0.0 DKIMWL_WL_HIGH DKIMwl.org - High trust sender","X-BeenThere":"linux-mtd@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"Linux MTD discussion mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"multipart/mixed; boundary=\"===============5616564645022836231==\"","Sender":"\"linux-mtd\" ","Errors-To":"linux-mtd-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"}}]