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 4EF02C5B572 for ; Fri, 14 Aug 2026 09:52:38 +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=lLc2tqHO1v42p30NkC82FX2W0/Hch/wFH+H0f/hQbLI=; b=41eU45qdhk0k53MhCKa6Ni9SVH hs6zt2gPYSobFH82eLPbkgnBvrHtHEvPwrlpyw+uax/CaDjE4dL1pVsZ8qYT5lIMT56/RfCRrh7kA dFYf9MGVXcs90XNdE59dFy/bd6ziLccWqDGnYqIWqI1gO2Zld5/aRrylB3v4nrZTqQmU2DPiKc987 lXHoh7gX2fdyf+110FMuESgvojc9ONriD84qzxK3bNHE1E2jlZDnl/Pqf+AhDG+Tj8kkrSRugd31u YeThZkOEsj7cAyFtjPfG/93jTv0XSIpWiyIMIQu+iqRL/bv0ebdHt9TkQ8uNDldtvzMt9HRry8vYY 6pKIDdlg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wuoab-00000002Sjz-0Kiw; Fri, 14 Aug 2026 09:52:37 +0000 Received: from sea.source.kernel.org ([172.234.252.31]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wuoaZ-00000002Siw-0j1Q; Fri, 14 Aug 2026 09:52:35 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by sea.source.kernel.org (Postfix) with UTF8SMTP id E72B7411AF; Fri, 14 Aug 2026 09:52:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id 4BD681F000E9; Fri, 14 Aug 2026 09:52:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786701154; bh=qXatzOtSlObI1NaAKiBYiFr18AMUInQma+wQu46aI+8=; h=Date:Subject:Cc:From:To:References:In-Reply-To; b=Kq37hFZT37KvXVkykLgDLlfoZpndrH8BENgvyImP2krHLEG1GxkMrhaoGsKcB6IML 49Ice9PCjHufQVfEpcGmOSl2gbElD2mGQlhHrb5ogatXwEnUghI4w7umohOcO08eUB NiSW7ofCaGOGXOkbrOsbyw6ry+/4q0IWxNUk6CSw9N+YS+Y74esubopZBDsRn8mViZ Pe3a56m2/vjaSsfhfeuFa+9ehJvw2QdXs9wkBHEkIRBv1gaiE9IhST22kiNvB8nl/N r4MK8YxJpRYMZgYsqTRt5+7gvPw53nrqRA/aq5qwaUeNCQJjWRVRVdbGFYA8G+LGXK BY5UiKBfhQa5g== Mime-Version: 1.0 Date: Fri, 14 Aug 2026 11:52:31 +0200 Message-Id: Subject: Re: [PATCH v3 21/23] mtd: spi-nor: winbond: Add support for W25Q02RV-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-v3-21-b637cf120d5c@bootlin.com> In-Reply-To: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-21-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="===============7851756967056399518==" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org --===============7851756967056399518== Content-Type: multipart/signed; boundary=bb679c07f9943f5c7f886e60545fdeb95be8ce31037ff00d619209bef2cb; micalg=pgp-sha384; protocol="application/pgp-signature" --bb679c07f9943f5c7f886e60545fdeb95be8ce31037ff00d619209bef2cb 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 --bb679c07f9943f5c7f886e60545fdeb95be8ce31037ff00d619209bef2cb Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKgEABMJADAWIQTIVZIcOo5wfU/AngkSJzzuPgIf+AUCan7lXxIcbXdhbGxlQGtl cm5lbC5vcmcACgkQEic87j4CH/hqdwGA40nA8+hyOwt2ZBmiYFgGwfUj94KADxtB 2d2+GTXqoSZJS7CAN2kZjFfSlY0kHY1uAX0eMi7n0NtTlXvkyOMGIzQpoZ+gB4Es 3lMDVv8rbRd93MlFg78w1q8HlNU647vWQjY= =3J0s -----END PGP SIGNATURE----- --bb679c07f9943f5c7f886e60545fdeb95be8ce31037ff00d619209bef2cb-- --===============7851756967056399518== 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/ --===============7851756967056399518==--