From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mout.gmx.net (mout.gmx.net [212.227.15.15]) (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 F3A7316FF28; Tue, 18 Jun 2024 23:29:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=212.227.15.15 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718753359; cv=none; b=YUycmZO9MwGvcroF86VggWDzmk/awTfhx+TucpptN7xJRahdI+rPZZhZyKoZm2sIPeiFBt5musfr9hquc+QeXBuv/VL+qXbpArHKF380ib8HD/iKqAKxTUv4GxQrRYL81vi01yhpmkYCTTzfKYikMPCQ1Zesr7Ctcd/Qu/d+8Ws= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1718753359; c=relaxed/simple; bh=WOQWARhUZWSfqQvDlg3ncf6oaVVEQYvGzmOoJx/nlDI=; h=Message-ID:Date:MIME-Version:Subject:To:References:From: In-Reply-To:Content-Type; b=iRVbWdINRBcycb/Q3B+EviuDHUCmwHpS27PxICIcq+jgVjQHsZqqE3Ax5fGCZHvp6usBbbExLnlDZjx0Slgr4zjhiPuPKGP6RDwfFH/kZ/FKEP+tlAeqEAqVNwWeiiyBDzt9RrLI7xIpeNVbQiP3Rg1DSnqqOhAgMUOriU0FHT4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de; spf=pass smtp.mailfrom=gmx.de; dkim=pass (2048-bit key) header.d=gmx.de header.i=w_armin@gmx.de header.b=hgQ/YSY/; arc=none smtp.client-ip=212.227.15.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=gmx.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmx.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmx.de header.i=w_armin@gmx.de header.b="hgQ/YSY/" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmx.de; s=s31663417; t=1718753319; x=1719358119; i=w_armin@gmx.de; bh=WOQWARhUZWSfqQvDlg3ncf6oaVVEQYvGzmOoJx/nlDI=; h=X-UI-Sender-Class:Message-ID:Date:MIME-Version:Subject:To: References:From:In-Reply-To:Content-Type: Content-Transfer-Encoding:cc:content-transfer-encoding: content-type:date:from:message-id:mime-version:reply-to:subject: to; b=hgQ/YSY/LhXNAClFUG7qy9LhAs2FaJSQPBT9sBrCtwhHUZ7ZWkVpPrvaDs15MmH2 fZkuYcODzxZIDQkydWpTAAMb277wsjNuA9GmvQw43MgBYkfKuG466t/8k8D0CiKn8 LlWVSgXfiNaLpxqZt2Sp1fkb3BNKcYi7xNyKdIj+wsUZ7SMzGSHa4qgloPsM2eN+K Z3nVomuQqlDrA6JcWRcVJsXhjh/KAKERDOCsATFpdU9sIth+TQHFP2Dp8gopPRI/n brMbmZNViZdwYlvfIKFzGQYl3fuLAyUXw38BzhCwYRL1KYe9aAqS4Sx6CqczsrfEo e9q+9XjKYzIFmR0arQ== X-UI-Sender-Class: 724b4f7f-cbec-4199-ad4e-598c01a50d3a Received: from [141.30.226.129] ([141.30.226.129]) by mail.gmx.net (mrgmx005 [212.227.17.190]) with ESMTPSA (Nemesis) id 1MmDIo-1skHd11j3w-00gUUi; Wed, 19 Jun 2024 01:28:39 +0200 Message-ID: <4755d088-7eab-47ca-923c-db1fdf3611ab@gmx.de> Date: Wed, 19 Jun 2024 01:28:37 +0200 Precedence: bulk X-Mailing-List: linux-hwmon@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RFT PATCH v2 2/3] hwmon: (spd5118) Use spd5118 specific read/write operations To: Wolfram Sang , Guenter Roeck , Paul Menzel , linux-kernel@vger.kernel.org, =?UTF-8?Q?Ren=C3=A9_Rebe?= , =?UTF-8?Q?Thomas_Wei=C3=9Fschuh?= , Stephen Horvath , Sasha Kozachuk , John Hamrick , Chris Sarra , linux-hwmon@vger.kernel.org, Jean Delvare References: <20240618195348.1670547-1-linux@roeck-us.net> <20240618195348.1670547-3-linux@roeck-us.net> <661def21-b0a9-49c1-937e-8526008f529c@roeck-us.net> Content-Language: en-US From: Armin Wolf In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Provags-ID: V03:K1:0d/yd16RBDh049RhGmMfdRqpa/84bjtrfH5mXCL9cwRLtotDwrI DXJ7dSzsMuDrD2Vynw8GTwYdXPrWHiPYbIKx4HX9A8p6o9W3QGDGLzA1Yul4OkK8pP/KOY1 LRuV2JlJE8q2XzyMMz9nuu6wpiK9/cRm8yn7wFOttkvgFxvgGxQxYbz+3MCVJrGwkK/Nxl/ VGWA2L43AGJgH8p0+mhbg== X-Spam-Flag: NO UI-OutboundReport: notjunk:1;M01:P0:DwVp0R8OMCQ=;nTohlvIX4WCZcsQ+o04BanY0Tsz hldDmwO+KU3/AjjEeog74YFcEzAT/A5BEoJDNlSgAApM/bPxulsBHCchPekMVABuBt5sPJy7m /K3ShR7wLMpImGA25natabG6z7PLC7cTBwuN4bkNw3mx29rlLXuLiqFcW9wy9r6uKn62Xq3qp PAk48PnpYR+qX8hlY3WKBtPTIprVKGJwcXmSEuy1S1pKBkY5utY7g9nBzX74OA992PrBnVCxq gvUT2vliQr/vVPqYekeoBCrn1eLdFd4d1UVsY3LVJ/vrs/t1SI4q6d3ME1Qm/9A8XooCcNpN0 +vOyox1QUp+0sK0h8j7dZb4j0Kqox1dQXZROW6gE05FHE11Wwsw2LGliBs4Uj53w96mizrGUc JE0qWAmMAmi2Z0iEfZIa1Ev9K9IhOGyvy6xyrEkc+VFgrlRVwgyvB/2ouyUJj5/CFY41vknMJ yjgEvcHQ9CNMhBGmPYr18YxC3EUQEuTIt0lWSuTI5MpzpKuZjqym3Laf6ahMXw6fmSlgViMNO kJa/xvibBo+MSOYgf1HEhH9ycTJgEnVSXCbrURj1cme3rT/PCi9Q9PSwHV0LanyEowHJ+4ZSv Pt75BQEEQg3PiyhmL7pxs9Q0oq+dIPi4htmPsdgGx5k84K0WKWVow5qY/zZpPn/gelZHzx3r+ mnvbXDvAuaYRCTTssOHzToWQogJsUhi+DUEnBg4IHiGwzGL6lCxAM7EbdOD8hJMKPzNqaKKoV 977QU9J3UWoNkNQQ1wneN79MylIxWHXuWdtXq+yK2rmWE0h2lZGL8SHRUN2Vfm/maphw4AFsz JsptXPPtEUm9MLDaAHfBSar+fbr2sVSNdu6JB+Am/BNVA= Am 19.06.24 um 00:28 schrieb Wolfram Sang: >> to 86 degrees C. If that doesn't work, we'll be really out of luck >> with that controller (or at least I don't have an idea what else to try). > Try CCing Heiner Kallweit for ideas about the i801 controller. > Hi, i am not Heiner Kallweit, but i found something interesting in commit ba9ad2af7019 ("i2c: i801: Fix I2C Block Read on 8-Series/C220 and later"). Basically, it seems that the i802 i2c controller indeed features a SPD write disable bit which blocks all writes for slave addresses 0x50-0x57. Does the i801 i2c controller driver print something like "SPD Write Disable is set" during boot? Thanks, Armin Wolf