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 AE73C3A451F; Fri, 14 Aug 2026 09:51:02 +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=1786701072; cv=none; b=pDjyyy+l69gUMNa0IVmVrumgrfZUwxa1k5i2VR0WJAsrwKiQNWPF0O3+iHiundXjCzgX/hITzCrkHjSmQkeREzC/cOuXYRjM3mYuclaRMv2byTONh2YYbEuWI6v8HcwexISH7U+IJeIpmGDScWYBkof6/az/U7TCqsreORb8Q/4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786701072; c=relaxed/simple; bh=pQa8E3J70a58uouK5ZkY1naDcDQ5smvxZfhEol9rE9M=; h=Mime-Version:Content-Type:Date:Message-Id:From:To:Subject:Cc: References:In-Reply-To; b=M97u1UiSULqFoNbNN7sD7+dCtS43yGqc8ruGY/zUOIrstqRa1gWw6+Oae2MfkE8sReANpT5LgyaZC9Qd7wRgXHTdyauqU1Yut/TtSH0IlZemPf8v7CCOeEIhXtwmJETKbz6zy8bZbS49L53uwdanee3KWxiyVRxsy73M9/Ak2/s= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KzLugo4W; 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="KzLugo4W" Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id E38DB1F00A3A; Fri, 14 Aug 2026 09:51:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786701061; bh=pQa8E3J70a58uouK5ZkY1naDcDQ5smvxZfhEol9rE9M=; h=Date:From:To:Subject:Cc:References:In-Reply-To; b=KzLugo4WAv7+Ac2UEJewO50+TB/otxAhNWeAR2k4F8XKL3cfgh53jEp6cMidQBGb3 XU/5vDLJDNZH5xxlCLPS/xozSlQEDPcao43BfsNIt9r1gjRxIKLDiEd3HAEGMrgE6Z 4iVQt9qXIasTBT/QlA4zylocy9Bb8ueh/uDiJOy9ZPPx8AibfDva1mKgCfDsCWmVq9 TZZl5Hg3wuaMvI44y1ZM4yoqyOmryZv23K04WDg3IvF02V5zIuAFToDMe4rfu+O8I5 A4i6kb9edJ9As4kEW/D5fhYUMs4cG5cQWG27uo6sD0MrUcfWmrVuibXK6nNmDlvEjg XJWOJ8FAsP51g== 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=4324beb7adebef9a97b24096d99ea7f9150c34c6d7ffb56aea0eefe51b72; micalg=pgp-sha384; protocol="application/pgp-signature" Date: Fri, 14 Aug 2026 11:50:57 +0200 Message-Id: From: "Michael Walle" To: "Miquel Raynal" , "Pratyush Yadav" , "Takahiro Kuwano" , "Richard Weinberger" , "Vignesh Raghavendra" , "Nicolas Ferre" , "Alexandre Belloni" , "Claudiu Beznea" , "Jonathan Corbet" , "Shuah Khan" Subject: Re: [PATCH v3 16/23] mtd: spi-nor: winbond: Add support for W25Q32RV-M Cc: "Steam Lin" , "Hsin-Yi Wang" , "Thomas Petazzoni" , , , , 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-v3-16-b637cf120d5c@bootlin.com> In-Reply-To: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-16-b637cf120d5c@bootlin.com> --4324beb7adebef9a97b24096d99ea7f9150c34c6d7ffb56aea0eefe51b72 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 --4324beb7adebef9a97b24096d99ea7f9150c34c6d7ffb56aea0eefe51b72 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKgEABMJADAWIQTIVZIcOo5wfU/AngkSJzzuPgIf+AUCan7lARIcbXdhbGxlQGtl cm5lbC5vcmcACgkQEic87j4CH/gKGgGA6n+bSsT0/0zeF/p8j6ZbNmEKMg8Yl0qP t/adABc19/jvP7zCgdB/x/0qm5VLEqljAX4tZnakfmhHSuGxuT1qKMgbUTCcAYfU 0LbteIWgxV8++yeaVEviAaWigpICJoLRPTI= =XqCC -----END PGP SIGNATURE----- --4324beb7adebef9a97b24096d99ea7f9150c34c6d7ffb56aea0eefe51b72--