From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 370953A0EA2; Fri, 14 Aug 2026 09:47:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786700828; cv=none; b=cp43gP+8wi40r4VIrgDcAdwC2T7BuvIsK+Kk3pk65/XMYBpLCRajbrFCLZ7xb74fKe9rwEVPWfp607gA+R+EOYDzODaSuJu4FcVTrd+cW4yUi3ssuqqAHHHubvrs8nZGdaM79Qpjc+V4PW/joZWRr4IV+Pnn9fw/CLRRhi9Hjds= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786700828; c=relaxed/simple; bh=4VNfwjyAnAmmzvSoAragiapp5OE9k6P2HCDQUcYZ/nE=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:From:To: References:In-Reply-To; b=t/ShyaAwJuNqKsNeeoG51FK2wHs81S+8Cu9yNAOMVE/qItUElRoqnQOB7NTT9poMdSz8XUnO8v5IyoZTUVistp7UhDaDBtzgK3rOevuyVdCglH3tTDwhUnnMk4d3x85oMLHyXKE+J2ttFRdPF28MqL1ar7DHyqd2UzuWCwcy0KU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KaE4hbRF; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KaE4hbRF" 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== Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 Content-Type: multipart/signed; boundary=6a177f5a691e43c4aae7999c0349948d3e6064f8fe63dfc5058d81c1e62d; micalg=pgp-sha384; protocol="application/pgp-signature" 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> --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--