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 3628C3AF677; Fri, 14 Aug 2026 09:48:17 +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=1786700898; cv=none; b=iRWez1iRDC64YPuijf4RXdvqA9DuE5idpZJ4i9bAOIrpAzRgJrtF+xMtqVBb2QCyPiM1e17L4oyP3xFm/64eaJX7aln6NeiuK5sIqfPAKnRzT3mVWmaha8A/oVXmoAkzA4CTElYJBeRmhMIjWM71y8rKTIEBBBZaK1gBYEAjgHU= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786700898; c=relaxed/simple; bh=VWz+imdVnkbTu/11eqAcvWDbo6t8+5/hRTqaRkt03Xs=; h=Mime-Version:Content-Type:Date:Message-Id:Subject:Cc:From:To: References:In-Reply-To; b=Y9ZVpZlknRvjBMw/7Y4pjqKhCwm52wxBAkU90gq6FbB4puaLoCAWjmg0KbxRaPjdp7B3dRDmVpHCdIuH324vmxVyhfx0r1pCi73LY68CWYkF0u0tMpJR91pZUla9pCbGQazVf9wl63GgnCY+m2+zHZEn2BWEutOSPHBBhEvmq3M= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=j+CZuGTf; 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="j+CZuGTf" Received: by smtp.kernel.org (Postfix) with UTF8SMTPSA id 882321F000E9; Fri, 14 Aug 2026 09:48:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1786700897; bh=VWz+imdVnkbTu/11eqAcvWDbo6t8+5/hRTqaRkt03Xs=; h=Date:Subject:Cc:From:To:References:In-Reply-To; b=j+CZuGTflKvu56ukvMb6j8Fh+26sB80WXDPMEntQM3wu/RuEBFzds8N75ixmPI/qS Se9GfVWqoD0rf+YnVRU8H7/gjG3Ol4tSFOXVPmeQEr6lwm456bNl82MiajfBD7YrlW EbheSu4PvWYo3PiyKAXvdpSubjc6YlNuA5Yh5ZBAYBa70Ubd0808T7b73/nWq/l50a 8MYMhft7FrKPOuR7QszdOVuNwwZLgg5gs/NrFRVUSA/k7WWqhpvAysMKo+2lB6i2u6 /1TT+Ghd/SRgv6uwb5uwvf9juRIY5f6z+hbCd46HgGZ0WaRltPeXaQdrAVuRfXKjLT BkfvTvW9x5IkA== 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=2256f4b7726d14d8b4ae61d3083ca8c3ffa66a7a0da8dc2b2cef6042dfd8; micalg=pgp-sha384; protocol="application/pgp-signature" Date: Fri, 14 Aug 2026 11:48:13 +0200 Message-Id: Subject: Re: [PATCH v3 14/23] mtd: spi-nor: winbond: Add support for W25Q02RV-Q/N 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-v3-14-b637cf120d5c@bootlin.com> In-Reply-To: <20260813-winbond-v7-1-spi-nor-rv-addition-v3-14-b637cf120d5c@bootlin.com> --2256f4b7726d14d8b4ae61d3083ca8c3ffa66a7a0da8dc2b2cef6042dfd8 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 --2256f4b7726d14d8b4ae61d3083ca8c3ffa66a7a0da8dc2b2cef6042dfd8 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iKgEABMJADAWIQTIVZIcOo5wfU/AngkSJzzuPgIf+AUCan7kXRIcbXdhbGxlQGtl cm5lbC5vcmcACgkQEic87j4CH/hWeQF9HWW8qaN8GBeNIv0SV2a0iTZpTSXMHutL r3X5Y3AGtyacF1H9OcDzkxzubK+HQGOhAXwOSnUC1b12XjeRxcD9coh+bU1WVSpC Iq9jvbkbTwFJfJ/cwJvxETi0KcUArg8uxMk= =xmBz -----END PGP SIGNATURE----- --2256f4b7726d14d8b4ae61d3083ca8c3ffa66a7a0da8dc2b2cef6042dfd8--