From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jean Delvare Subject: [PATCH 5/6] decode-dimms: Documentation update for DDR4 Date: Sun, 19 Nov 2017 13:36:48 +0100 Message-ID: <20171119133648.41e9e1f9@endymion> References: <20171119133309.67d4c596@endymion> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de ([195.135.220.15]:49082 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750807AbdKSMxl (ORCPT ); Sun, 19 Nov 2017 07:53:41 -0500 Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 56AEFAAB9 for ; Sun, 19 Nov 2017 12:36:49 +0000 (UTC) In-Reply-To: <20171119133309.67d4c596@endymion> Sender: linux-i2c-owner@vger.kernel.org List-Id: linux-i2c@vger.kernel.org To: Linux I2C The EEPROMs used to store SPD data on DDR4 SDRAM modules have their own kernel driver: ee1004. --- eeprom/decode-dimms | 10 +++++++--- eeprom/decode-dimms.1 | 7 ++++--- 2 files changed, 11 insertions(+), 6 deletions(-) --- i2c-tools.orig/eeprom/decode-dimms 2017-11-17 11:27:11.401380668 +0100 +++ i2c-tools/eeprom/decode-dimms 2017-11-17 11:28:32.262363769 +0100 @@ -5,7 +5,7 @@ # Copyright 1998, 1999 Philip Edelbrock # modified by Christian Zuckschwerdt # modified by Burkart Lingner -# Copyright (C) 2005-2013 Jean Delvare +# Copyright (C) 2005-2017 Jean Delvare # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by @@ -2410,7 +2410,9 @@ sub get_dimm_list my (@dirs, $dir, $opened, $file, @files); if ($use_sysfs) { - @dirs = ('/sys/bus/i2c/drivers/eeprom', '/sys/bus/i2c/drivers/at24'); + @dirs = ('/sys/bus/i2c/drivers/eeprom', + '/sys/bus/i2c/drivers/at24', + '/sys/bus/i2c/drivers/ee1004'); # DDR4 } else { @dirs = ('/proc/sys/dev/sensors'); } @@ -2428,7 +2430,9 @@ sub get_dimm_list # or spd (driver at24) my $attr = sysfs_device_attribute("$dir/$file", "name"); next unless defined $attr && - ($attr eq "eeprom" || $attr eq "spd"); + ($attr eq "eeprom" || + $attr eq "spd" || + $attr eq "ee1004"); # DDR4 } else { next unless $file =~ /^eeprom-/; } --- i2c-tools.orig/eeprom/decode-dimms.1 2017-11-17 11:21:42.505378009 +0100 +++ i2c-tools/eeprom/decode-dimms.1 2017-11-17 11:28:32.262363769 +0100 @@ -1,6 +1,7 @@ .\" .\" decode-dimms.1 - manpage for the i2c-tools/decode-dimms utility .\" Copyright (C) 2013 Jaromir Capik +.\" Copyright (C) 2017 Jean Delvare .\" .\" This program is free software; you can redistribute it and/or modify .\" it under the terms of the GNU General Public License as published by @@ -16,7 +17,7 @@ .\" with this program; if not, write to the Free Software Foundation, Inc., .\" 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. .\" -.TH decode-dimms 1 "Oct 2013" "i2c-tools" "User Commands" +.TH decode-dimms 1 "Nov 2017" "i2c-tools" "User Commands" .SH NAME decode-dimms \- decode the information found in memory module SPD EEPROMs .SH SYNOPSIS @@ -31,8 +32,8 @@ The purpose of the .B decode-dimms tool is to decode the information found in memory module SPD EEPROMs. The SPD data is read either from the running system or dump files. -In the former case, the tool requires either the eeprom kernel module -or the at24 kernel module to be loaded. +In the former case, the tool requires a kernel module to be loaded: +eeprom, at24 or ee1004 (for DDR4 SDRAM.) .SH PARAMETERS .TP .B \-f, --format -- Jean Delvare SUSE L3 Support