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 D74BB35C6AC; Fri, 14 Aug 2026 09:52:22 +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=1786701147; cv=none; b=Me9HUgkuy9Y0hRQzZQjjfe2OtuIUG1NmRN316MUq7MBeuJZWE8pX4kctfTI2yxVQjLsElDbDoeZshGoXAPc0sBZrVSj9lUe1LNMYfPhSqXSFTJiTwXvd8msH6ZpCBGohP6HQYapj1SR7uNFcMOT/Mk6Wy3m8V0TDNmbP1QlTg9Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786701147; c=relaxed/simple; bh=RGIaFjEjGKTUS3t/KGTvWOkBKKN09Wnhe48eHpevMfI=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:From:To: References:In-Reply-To; b=VDT2GIGJlZmSC0LHO9TdHbmOCw7JTz7hUvupGQ6wkXyJ50JkE013UDCAwds6ptsZlfvc7dbV8SZFkVoMY/TeRfzDLo1Q+QcMtCVX5IwD7JHH4pQJ2s7VCtcXwV+tgwtQQJxeogOJhj673zDQIzrlws1yaqtdAQ9OP/T9XZO+6j0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=jrurdxJX; 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="jrurdxJX" Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id 8846C1F000E9; Fri, 14 Aug 2026 09:52:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786701140; bh=RGIaFjEjGKTUS3t/KGTvWOkBKKN09Wnhe48eHpevMfI=; h=Date:Subject:Cc:From:To:References:In-Reply-To; b=jrurdxJXZX5eIq730I6uz2WVidsRmALut/jfYfeA4huFLz0OefDZb2OoGkKhGWjNS qRjFNx6QiueZYWafoNm4CkYvBSY32DVcHHQjTmFohDRp1E4iWij2jv0UqHcobs46+8 Qgnlx6XuJYe+4W7OwwvajReicd7W/1pqnzdWoTo4Q8U9dPS8Jt8QEocfnndQCIs1Ny RCNoxrh641H4FF1FUeqsyIndTmXUsNiKxsZku/VVvOAJg4hNgOIJX/CCX7L/yhSSI/ 3wJOkVduFhSXXXi26F83JHRLlWV6DhagSWeKAOQ8LOFQteEOTr8sSqSzgEHLumtH4Z v8DBbgrgOtBWg== 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=020a3ae608d6aaedb26dac0e7a007d292f1b85aaf719db6ddf3629c19450; micalg=pgp-sha384; protocol="application/pgp-signature" Date: Fri, 14 Aug 2026 11:52:16 +0200 Message-Id: Subject: Re: [PATCH v3 20/23] mtd: spi-nor: winbond: Add support for W25Q01RV-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-v3-20-b637cf120d5c@bootlin.com> In-Reply-To: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-20-b637cf120d5c@bootlin.com> --020a3ae608d6aaedb26dac0e7a007d292f1b85aaf719db6ddf3629c19450 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 --020a3ae608d6aaedb26dac0e7a007d292f1b85aaf719db6ddf3629c19450 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKgEABMJADAWIQTIVZIcOo5wfU/AngkSJzzuPgIf+AUCan7lUBIcbXdhbGxlQGtl cm5lbC5vcmcACgkQEic87j4CH/ioyQF9FmmcxzDGy3tZU+/RbpRePQhrWYonbw4Z 0St9k4B/9UP10/CmSOTWOWN1h55zjpWJAYCOhYJ3VrqpLPzXaCszJrwINrJkhJla blFxKVsW6pLZ/24pRldSuKVuhAzifpezo2I= =BWZl -----END PGP SIGNATURE----- --020a3ae608d6aaedb26dac0e7a007d292f1b85aaf719db6ddf3629c19450--