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 BC96F37E5F6; Fri, 14 Aug 2026 09:51:33 +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=1786701098; cv=none; b=EPIj3v9c7JRBt0Ddn/iyuZFrPEuDEuRWiyIn9etkuQQfoe2wahV0TuKye3a3nBGXklgFWpXE14NCuKruTyOmfSq24HF3HrVOUYOxkra2kUDO0rcK5y/7wr8ST605wezI3dEsFvNQ2KmtBY87IdWUATcy6rImlr/jpcVk2L2K92k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786701098; c=relaxed/simple; bh=yKwWlv1KBBDVcGlVvYQaRm4OQYG5+7xIMGwbAKrSt58=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:From:To: References:In-Reply-To; b=EL4UU5OFwGdabuApjmRgvd/OenUTGvOkNZC26DRo8oI39ibYp7fO74CZaKBwPH4dWxgGw/HPBdndmzi2t/pN/GxqRL91xiVnnGX14gInUoQjfazsOpQS7VxJVXQWvE3afn7LkQyYCvspsT/j8/6+Ijl5Cb99hnqit6f8OcULaOI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=dBQ5yEWG; 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="dBQ5yEWG" Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id 8FC691F000E9; Fri, 14 Aug 2026 09:51:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786701092; bh=yKwWlv1KBBDVcGlVvYQaRm4OQYG5+7xIMGwbAKrSt58=; h=Date:Subject:Cc:From:To:References:In-Reply-To; b=dBQ5yEWG5cMXYljpEvVc9W/72QRI2W+NaM/8gpARQFmOdu62rAaQ+RWQ8ixuTQ5WF 2w/gpLl9YQ8uP5i+ihSr8IqRz+sMcjIl4RDqAtyUtGBtwYdzd0uls5uzp3K5WzZC1I roQnI3P/7iYgiAmpVKc3HP1vmRe/Hiqh1oSzeXsrtNMjCNpkrSiGXXz19CgzLsOYPM xfxm0psvux9MBq9qR7sHjfKEMyGsPoOcsY3icAiMQZ8cab0w5oFWgb2xr7SJ5cJLzX FMSHQI38H4vgt0OLrBF3ohGMNnYXjpQlRNvACwyNxJPduSFkiUHT/zxN02H4H60ptK mz5Dy+2wMlmIQ== 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=6cc0eab69e2256015fedab41d7a75c7f3ee8870d7a32853a753f1e156d47; micalg=pgp-sha384; protocol="application/pgp-signature" Date: Fri, 14 Aug 2026 11:51:28 +0200 Message-Id: Subject: Re: [PATCH v3 17/23] mtd: spi-nor: winbond: Add support for W25Q64RV-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-v3-17-b637cf120d5c@bootlin.com> In-Reply-To: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-17-b637cf120d5c@bootlin.com> --6cc0eab69e2256015fedab41d7a75c7f3ee8870d7a32853a753f1e156d47 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 --6cc0eab69e2256015fedab41d7a75c7f3ee8870d7a32853a753f1e156d47 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKgEABMJADAWIQTIVZIcOo5wfU/AngkSJzzuPgIf+AUCan7lIBIcbXdhbGxlQGtl cm5lbC5vcmcACgkQEic87j4CH/iKUgF/drf5qwyJjnPwmEPk4RJL7i6CfQOL+3Nt 9b22BGkw7DuISaYohvZa9zIyAEaAoGaqAX485MjHM21TT2CXQEfM59C4EDBkCUFv ARUz9cR0p0qznCSrqlL6H7TADS6j7z7/arw= =xrbX -----END PGP SIGNATURE----- --6cc0eab69e2256015fedab41d7a75c7f3ee8870d7a32853a753f1e156d47--