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 77BF7397699; Fri, 14 Aug 2026 09:52:37 +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=1786701162; cv=none; b=cPmzR7bDbXJKe7+4grLkghX4b43KAJeRW29/i/KedH1NkmfxsMI6SpFFQM6fnJ3yH+xkh5e96kFX8i9kx4/rENjfPQDtbmIyDbetXJ6zjSskqIOlJzWKwzIH82SlwVeY6b3or+V57CVjsd45flcObS8M104gGhV31NGKFKhbeLI= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786701162; c=relaxed/simple; bh=qXatzOtSlObI1NaAKiBYiFr18AMUInQma+wQu46aI+8=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:From:To: References:In-Reply-To; b=T33G3JRNoJqWAbsMC9dA4susOpPrqcUa+3T9z+MM9rIudU+WiX0NEiTfH7nfLc+RizfR2Y81zHIVRzgnot0rNa2ydkiYOAuAttIZKiLs5DOcL/iXtz5q/Y3De53DhC/+IrQV8+aw+SQhybHgpeKD3pEmhKnRXC3Z2HBKQ7aXH0s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=Kq37hFZT; 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="Kq37hFZT" 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== 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=bb679c07f9943f5c7f886e60545fdeb95be8ce31037ff00d619209bef2cb; micalg=pgp-sha384; protocol="application/pgp-signature" 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> --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--