From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail.zeus03.de (www.zeus03.de [194.117.254.33]) (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 91F62768EA for ; Fri, 31 May 2024 09:31:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=194.117.254.33 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717147924; cv=none; b=nntb3lIKU57b9MeVqqv3EIXeReYGo8yIJrJLU6lZGGB5LfQ/BnuznyLup2HSfIG+/+z9WXKatTY0Sf95LFR6j71rL+vJ1DqnJ3TmXuFMNtdiMAPETQ/cSF2mvIwCVHAjTbe2L1kGabUVG/v6QCYNpnDK/GUkARxu3GMCrmOab84= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1717147924; c=relaxed/simple; bh=5U7FyklsEaq5Z77Xh71GF62p+k3mhNStH7+QJ6d8CG8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=T4gK0uuEJuybxrDWxSZ045rEAu3INc7pZDFpwon1nK6dORTEJRAK7UMXJd88BfZ+my5uK0JkqbbIRqTtD8Uw13fIqZDDhflYbFpWI3CNiCBAMY8t0LkRZq0SPNET2vmkfLPZBl6uRVmSBF+uZI7I64T3r/s8L/oCJBv1c2Ra3TQ= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com; spf=pass smtp.mailfrom=sang-engineering.com; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b=hOWHqTxx; arc=none smtp.client-ip=194.117.254.33 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sang-engineering.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sang-engineering.com header.i=@sang-engineering.com header.b="hOWHqTxx" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= sang-engineering.com; h=date:from:to:cc:subject:message-id :references:mime-version:content-type:in-reply-to; s=k1; bh=duxs 2uujR9NRLXhAk81tC9D0XnsOzJhWFLu0vA/jvfo=; b=hOWHqTxxNcqGINU4ZS5V 8MKGNRQ1ywH86zYBzxlq9zwDNbGRiiSw5RvoUrm48F2QpF0DCXRMrgO1kjOrvHzs 4czC037sbomdEVd9YlqOIwXxeyhEw9stc5w2H33Wdz1y61ck7YCnA6DUZG3Nahtb XNQWWa/d8HSv7t8HZv5J9/+MT9/VFmZfwwa48cmWDpIkg7TvIGzISVhjTr1XaOWz 27CkblNe7VFsPOMdAPFv1s9oy9EfYIKgHFXApaatbxu3BnLUYeHxS8ruz8//uZMM IFXNJ4LCDGR66sMqy3QBipWsNdt2fB4qCdn/V6OfG2cnFhbkSCA45K4eYexWXN0g 6A== Received: (qmail 1124244 invoked from network); 31 May 2024 11:31:55 +0200 Received: by mail.zeus03.de with ESMTPSA (TLS_AES_256_GCM_SHA384 encrypted, authenticated); 31 May 2024 11:31:55 +0200 X-UD-Smtp-Session: l3s3148p1@C1GEp7wZ4rFehhtB Date: Fri, 31 May 2024 11:31:54 +0200 From: Wolfram Sang To: Guenter Roeck Cc: Thomas =?utf-8?Q?Wei=C3=9Fschuh?= , linux-hwmon@vger.kernel.org, Hristo Venev , =?utf-8?B?UmVuw6k=?= Rebe , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Radu Sabau , Paul Menzel Subject: Re: [PATCH 2/3] hwmon: Add support for SPD5118 compliant temperature sensors Message-ID: <20240531093154.rna2vwbfx7csu2sj@ninjato> Mail-Followup-To: Wolfram Sang , Guenter Roeck , Thomas =?utf-8?Q?Wei=C3=9Fschuh?= , linux-hwmon@vger.kernel.org, Hristo Venev , =?utf-8?B?UmVuw6k=?= Rebe , Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Radu Sabau , Paul Menzel References: <20240529205204.81208-1-linux@roeck-us.net> <20240529205204.81208-3-linux@roeck-us.net> <34a4292e-c4db-4b40-822e-b892e1444045@t-8ch.de> <16e448f1-cfc9-4e88-b3f1-55e1856d1405@roeck-us.net> <0a2ed64d-06d9-45e8-a054-4ded4429f952@t-8ch.de> Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="xeb7swmh4n3lar4t" Content-Disposition: inline In-Reply-To: --xeb7swmh4n3lar4t Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi all, > > Wolfgang seems to think it's important: Wolfram, please. > > https://lore.kernel.org/lkml/tdia472d4pow2osabef24y2ujkkquplfajxmmtk5pn= xllsdxsz@wxzynz7llasr/ > >=20 >=20 > Ok, but that doesn't explain the reason. Wolfram, Paul, why do you > think this is needed ? Note that I am not opposed to adding spd > eeprom support, but I'd like to know why I am doing it before > I spend time on it. A working eeprom driver is needed to get 'decode-dimms' from the i2c-tools package working. Jean reported that EEPROM access for DDR5 is different from DDR4, so it needs a separate driver. And i2c_register_spd() then needs to be updated to use the new driver for DDR5. Happy hacking, Wolfram --xeb7swmh4n3lar4t Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQIzBAABCgAdFiEEOZGx6rniZ1Gk92RdFA3kzBSgKbYFAmZZmQcACgkQFA3kzBSg KbYuTg/6A5ij4YXV/CfauyFRASldgEnInfw2WdYkuXzCtfXvsZCRvP15BLSBEH9K VKEnsN6sysLVyMnIJnfH8/hQ+6eOniAio8fcPIcxHQyWZOOZeqEa5pOyBuGoXZYS /5DTYEjeII6iOILpNCQa2s6gbK3IPZioCheK8WliLIiTYO5vpjg4QVjHO7R6MK6o u/Fp8goQNofhZRqijddVMVc1m3r8EAgfU5tb+DLgM3x9WWzl0IFWKAPbtkcyuTPs kVwaJj35pWJG6zAQKmu+6213QIlmFVZM8ODPtTvYD1lc9Msrnq366u+SCrWuu5vF zxmZkp8+C1uHq/jXroOEQaYZQJ9ncMDtZ/aDhwV7nZz0RfhPTGSq7PdTg/q5S1gW bQMt3uGdDaTGD70IAHoXZjKMBO6J2mDAmjvLX89krNCNpj9r3rqekJU8Rr6g7Bji XFpPaCvZHEC7QswW07/TIDhCF5dgTaUIQxtQvYcb1ioROTFFenqMk4LNkJ1zLGtb +lr4D6Fyqv2Is2ZEVSQi9Y6Xh9Q5zS4tYcbhiItsnxjOqGQfQF3aPRvreeauFEyk DdGuiSZWrub8Gg2EsOUAgrL6gJ55uu9s14Ke2UsxcS7/GWfDyK/tJACWzpW2Swdc 8j5H3E1hxJFiXVloKf040i9jT0odS0H2fSXHyaWpjhJTJbc9e28= =gjGP -----END PGP SIGNATURE----- --xeb7swmh4n3lar4t--