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 06E72C5CFC1 for ; Fri, 14 Aug 2026 09:47:10 +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=NaNIi95k+aE+bTZjBYCvT5ILecWEX16sv8NrN4v66Z8=; b=mqU8JyIpkqXJvMeAhzNvoNSkzp LVRcmEd9yRwXMKrO8TDVjNC84rXhjrIeboFqiqgOs5JG+8doA6goERWcFMYEjZG/HCyggPVOLykQh lmFSEqiqCghcE7XjWW2drqpr19S6FMxuhgsjs0viG4JVHRjRHa7QlJqVvIRyP08+ID/ogaK9mxRFO WprL2WOW3qLhcGYeM6+hkA+ErLnfJw13F1fpU4KwAZIgViGGSgSr/u9Yma93ElxrY6JDK38Wn8L5A CvLYezVTpTa2Sooe93GHlOhRWlEl7fdXl6sCZRi7zA9Zfo/ONoA/Toy1ELVY9MX5mCR5B5P8rUdzP RvjakTkw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wuoVI-00000002R7X-3X62; Fri, 14 Aug 2026 09:47:08 +0000 Received: from tor.source.kernel.org ([2600:3c04:e001:324:0:1991:8:25]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wuoVH-00000002R6f-2vbG; Fri, 14 Aug 2026 09:47:07 +0000 Received: from smtp.kernel.org (quasi.space.kernel.org [100.103.45.18]) by tor.source.kernel.org (Postfix) with UTF8SMTP id 25FEE600C3; Fri, 14 Aug 2026 09:47:07 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id 4AC421F000E9; Fri, 14 Aug 2026 09:47:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786700826; bh=4VNfwjyAnAmmzvSoAragiapp5OE9k6P2HCDQUcYZ/nE=; h=Date:Subject:Cc:From:To:References:In-Reply-To; b=KaE4hbRFYnXB9fWew8qKlYmOTI45OoJACudCeD7ZCDSEtTYAlBGWbn1Xd4dU6qdFi B4Z2eNUqqGbXSpu731qIqHVc6lijvlqqIxADlSTn+SM1A7lHtklDeZNBX0TMuhpLU9 iEW7Ha449bNdRRkpCqpchVMrDCQicyijWaam3oH6Mdt/8xwrBEanJjCqhhc6i0e+2w KDXC66zMQDKXDo0lfStCOTAWodPu2SgTevFw6EZMA0lvRs+6D6LKnLd+syDrtWO5fo dw6T2MuDeV/WS55nzvH4R53i0nwJlAv8ZZIwIgTXz6O9J8Fvhfp2gxCDpYDl/+hTjE kbXOPk538L+4g== Mime-Version: 1.0 Date: Fri, 14 Aug 2026 11:47:03 +0200 Message-Id: Subject: Re: [PATCH v3 11/23] mtd: spi-nor: winbond: Add support for W25Q12RV-Q/N 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-v3-11-b637cf120d5c@bootlin.com> In-Reply-To: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-11-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="===============8251719317273346549==" Sender: "linux-mtd" Errors-To: linux-mtd-bounces+linux-mtd=archiver.kernel.org@lists.infradead.org --===============8251719317273346549== Content-Type: multipart/signed; boundary=6a177f5a691e43c4aae7999c0349948d3e6064f8fe63dfc5058d81c1e62d; micalg=pgp-sha384; protocol="application/pgp-signature" --6a177f5a691e43c4aae7999c0349948d3e6064f8fe63dfc5058d81c1e62d 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 --6a177f5a691e43c4aae7999c0349948d3e6064f8fe63dfc5058d81c1e62d Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKgEABMJADAWIQTIVZIcOo5wfU/AngkSJzzuPgIf+AUCan7kFxIcbXdhbGxlQGtl cm5lbC5vcmcACgkQEic87j4CH/inygF/QCxPNRTnZxAAYYBX7VV4otFVPDHl8UQn 3KGmBmWPJPi29sCxeM/SPxHfYh3R+ZXsAX9yNNX5lN2Qb2MM+S4vZR0rO4+sqdQp 5A3vaxGZmoFaystAJTAyMqUcLm66ZtuAdlY= =jllR -----END PGP SIGNATURE----- --6a177f5a691e43c4aae7999c0349948d3e6064f8fe63dfc5058d81c1e62d-- --===============8251719317273346549== 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/ --===============8251719317273346549==--