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 97B06C5B572 for ; Fri, 14 Aug 2026 09:51:55 +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-Type: List-Subscribe:List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id: In-Reply-To:References:To:From:Cc:Subject:Message-Id:Date:Mime-Version: Reply-To:Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date :Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HlY8Ar2BiXyQCmFIPurP1Nbgar/BJB+06TUIZzh5eaA=; b=MaqZutCUZwKks3JQ2OQlO+PsLh kY7MrGC/h7B9czOXFXpsynQqLnLcfBg23Y79r4V2yq2yOvU5z65PTklv2Kd7hOw2FU3Kf3ZnStlDh 1SemWmbBB6u2rfttTt1EqUDllsCIejbPTsx+4hKJjuV7bXlBxXsJoJR9iAPvx3aBO62VO/SrWxUNC 8V5P9i+CGxA6X+Bjifiitd/ZK/Ky/fE/NvJAnA0rLNscRZPSGmLgHaeoAenSIv+4qentv6sTHEwRN YNy8MG3bBGQUoc4h44i75OADlxZafguuupMShLajRJNsp6GRaxRYeoO3Qfos+6ftyE3Korj4TJ3RH wRANPW8Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wuoZu-00000002SMP-1BDg; Fri, 14 Aug 2026 09:51:54 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wuoZt-00000002SLh-1LWd; Fri, 14 Aug 2026 09:51:53 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with UTF8SMTP id 8B346601E0; Fri, 14 Aug 2026 09:51:52 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id B5D7C1F000E9; Fri, 14 Aug 2026 09:51:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786701112; bh=61kbslNUfc37Cgdoe1F4MHSwOraOF+pEaxJZP3gL7KA=; h=Date:Subject:Cc:From:To:References:In-Reply-To; b=HzbeYaMhXfcbxgDrC6DNBOOekW6R2XBD1evVqTjGdZ16BANlXghy523zJY3v5+cBm o59CRSOXQHzYG+DbDL9xpD2HhkcYR2o1D5gUVWSi6Mlq7fKmxkwCi7t73Dwr+zSe2T IRGYWdMcmEJhR+M8KXRjTKgNFwpGoo5+Zcj2Mg62T15BPGifWO5OyP14aEGNwyCJc1 1b8qeqI++OcdyqzDdm6r6Lc9VXy7O2dCAbyO6fAkKxcRXr0t69PekLczHlT8rlrsUk Rhk4wf/pLBxjigd4NCinQHLW4DsqHqCEL0xoiwemsOu7jwqic38Oa8XG9KhOlgyeNI Iky78L4uxg+lg== Mime-Version: 1.0 Date: Fri, 14 Aug 2026 11:51:48 +0200 Message-Id: Subject: Re: [PATCH v3 18/23] mtd: spi-nor: winbond: Add support for W25Q12RV-M Cc: "Steam Lin" , "Hsin-Yi Wang" , "Thomas Petazzoni" , , , , From: "Michael Walle" To: "Miquel Raynal" , "Pratyush Yadav" , "Takahiro Kuwano" , "Richard Weinberger" , "Vignesh Raghavendra" , "Nicolas Ferre" , "Alexandre Belloni" , "Claudiu Beznea" , "Jonathan Corbet" , "Shuah Khan" X-Mailer: aerc 0.20.0 References: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-0-b637cf120d5c@bootlin.com> <20260813-winbond-v7-1-spi-nor-rv-addition-v3-18-b637cf120d5c@bootlin.com> In-Reply-To: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-18-b637cf120d5c@bootlin.com> 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: multipart/mixed; boundary="===============0895290754924307318==" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org --===============0895290754924307318== Content-Type: multipart/signed; boundary=25c043042098ab638b37ff1a1e7c89f9b0d43f74a07d0066446c6e132b4b; micalg=pgp-sha384; protocol="application/pgp-signature" --25c043042098ab638b37ff1a1e7c89f9b0d43f74a07d0066446c6e132b4b Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=UTF-8 On Thu Aug 13, 2026 at 5:19 PM CEST, Miquel Raynal wrote: > There is an ID collision with the chip of same density from the JV > family. Both chips are very similar in practice, it is mostly a matter > of electrical differences (mostly power consumption being lower). > > As a significant difference, RV chips identify themselves as supporting > the new SFDP (rev F) field which forces an alternate write SR2 > opcode (0x31). > > Signed-off-by: Miquel Raynal Reviewed-by: Michael Walle --25c043042098ab638b37ff1a1e7c89f9b0d43f74a07d0066446c6e132b4b Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKgEABMJADAWIQTIVZIcOo5wfU/AngkSJzzuPgIf+AUCan7lNBIcbXdhbGxlQGtl cm5lbC5vcmcACgkQEic87j4CH/iQZgF/TNaGzxbJHWYd9NeWOmEEWHqltAjSi72m Gk+Z9MG6cWe4QWSh9oycWrU7qvf/niFzAYDdM4496O1nmLD5oEQ02CEugyCdSoYr pInj0pa9MaJ+nDG+iXfqcyFDRnppXAfDd4E= =eg8Y -----END PGP SIGNATURE----- --25c043042098ab638b37ff1a1e7c89f9b0d43f74a07d0066446c6e132b4b-- --===============0895290754924307318== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ______________________________________________________ Linux MTD discussion mailing list http://lists.infradead.org/mailman/listinfo/linux-mtd/ --===============0895290754924307318==--