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 894AA3A4F3B; Fri, 14 Aug 2026 09:51:54 +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=1786701119; cv=none; b=l/jX2lF5s7vEJPsDVcs1H6xBC9ms6M05p0qmOFGIMNwCgBQ5g9YO7e8mQWxiP0hbe3OdCNMiCiqbU3GlFyGTk09nU0ArazGfHJVLDJhG+DeTk4kMpTcXvuX1jnoXFD6AC0Z/K7j5xNx2sG/GRlSN/bk09JbmUrq06XXummzD6hU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786701119; c=relaxed/simple; bh=61kbslNUfc37Cgdoe1F4MHSwOraOF+pEaxJZP3gL7KA=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:From:To: References:In-Reply-To; b=utfur6ufQy/qK5km2c8b/lwAR6NMpqwypQHppnV/M+DwGDgBH6FK8M6dncHTycX/FZ6Bo9gCwIaIKPrbxc66B/F6TUmMhRUBKZPgYLcXnC4Anu02jhFa3AlceC37SY7FmISNV4ok+Q6q+fGXp84Esr8iIhEdeABn+Phwwcy/SZE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=HzbeYaMh; 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="HzbeYaMh" Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id B5D7C1F000E9; Fri, 14 Aug 2026 09:51:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786701112; bh=61kbslNUfc37Cgdoe1F4MHSwOraOF+pEaxJZP3gL7KA=; h=Date:Subject:Cc:From:To:References:In-Reply-To; b=HzbeYaMhXfcbxgDrC6DNBOOekW6R2XBD1evVqTjGdZ16BANlXghy523zJY3v5+cBm o59CRSOXQHzYG+DbDL9xpD2HhkcYR2o1D5gUVWSi6Mlq7fKmxkwCi7t73Dwr+zSe2T IRGYWdMcmEJhR+M8KXRjTKgNFwpGoo5+Zcj2Mg62T15BPGifWO5OyP14aEGNwyCJc1 1b8qeqI++OcdyqzDdm6r6Lc9VXy7O2dCAbyO6fAkKxcRXr0t69PekLczHlT8rlrsUk Rhk4wf/pLBxjigd4NCinQHLW4DsqHqCEL0xoiwemsOu7jwqic38Oa8XG9KhOlgyeNI Iky78L4uxg+lg== 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=25c043042098ab638b37ff1a1e7c89f9b0d43f74a07d0066446c6e132b4b; micalg=pgp-sha384; protocol="application/pgp-signature" Date: Fri, 14 Aug 2026 11:51:48 +0200 Message-Id: Subject: Re: [PATCH v3 18/23] mtd: spi-nor: winbond: Add support for W25Q12RV-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-v3-18-b637cf120d5c@bootlin.com> In-Reply-To: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-18-b637cf120d5c@bootlin.com> --25c043042098ab638b37ff1a1e7c89f9b0d43f74a07d0066446c6e132b4b 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 --25c043042098ab638b37ff1a1e7c89f9b0d43f74a07d0066446c6e132b4b Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKgEABMJADAWIQTIVZIcOo5wfU/AngkSJzzuPgIf+AUCan7lNBIcbXdhbGxlQGtl cm5lbC5vcmcACgkQEic87j4CH/iQZgF/TNaGzxbJHWYd9NeWOmEEWHqltAjSi72m Gk+Z9MG6cWe4QWSh9oycWrU7qvf/niFzAYDdM4496O1nmLD5oEQ02CEugyCdSoYr pInj0pa9MaJ+nDG+iXfqcyFDRnppXAfDd4E= =eg8Y -----END PGP SIGNATURE----- --25c043042098ab638b37ff1a1e7c89f9b0d43f74a07d0066446c6e132b4b--