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- Log ----------------------------------------------------------------- commit cfa7d74f9d86acf6e093c01eeda616083eb3b4ee Author: Christian Schmidt maniacikarus@ipfire.org Date: Sun Feb 7 18:28:08 2010 +0100

Added kernel patch to support temp readings for some atom processors.

This modifies the coretemp kernel modul and adds support for newer intel atom processors temp modules.

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Summary of changes: lfs/linux | 3 + src/patches/linux-2.6.27-atom-coretemp.patch | 58 ++++++++++++++++++++++++++ 2 files changed, 61 insertions(+), 0 deletions(-) create mode 100644 src/patches/linux-2.6.27-atom-coretemp.patch

Difference in files: diff --git a/lfs/linux b/lfs/linux index d5dcf2e..c2106d4 100644 --- a/lfs/linux +++ b/lfs/linux @@ -147,6 +147,9 @@ endif # ipp2p 0.8.2-pomng cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.27.19-ipp2p-0.8.2-pomng.patch

+ # Intel Atom Coretemp Patch + cd $(DIR_APP) && patch -Np1 < $(DIR_SRC)/src/patches/linux-2.6.27-atom-coretemp.patch + # Layer7-patch cd $(DIR_SRC) && rm -rf $(DIR_SRC)/netfilter-layer7-v2.21 cd $(DIR_SRC) && tar xzf $(DIR_DL)/netfilter-layer7-v2.21.tar.gz diff --git a/src/patches/linux-2.6.27-atom-coretemp.patch b/src/patches/linux-2.6.27-atom-coretemp.patch new file mode 100644 index 0000000..0084311 --- /dev/null +++ b/src/patches/linux-2.6.27-atom-coretemp.patch @@ -0,0 +1,58 @@ +diff -Naur linux-2.6.27.42.org/drivers/hwmon/coretemp.c linux-2.6.27.42/drivers/hwmon/coretemp.c +--- linux-2.6.27.42.org/drivers/hwmon/coretemp.c 2009-12-18 22:31:34.000000000 +0100 ++++ linux-2.6.27.42/drivers/hwmon/coretemp.c 2010-02-07 12:36:39.000000000 +0100 +@@ -1,7 +1,7 @@ + /* + * coretemp.c - Linux kernel module for hardware monitoring + * +- * Copyright (C) 2007 Rudolf Marek r.marek@assembler.cz ++ * Copyright (C) 2007, 2008 Rudolf Marek r.marek@assembler.cz + * + * Inspired from many hwmon drivers + * +@@ -244,8 +244,14 @@ + } + } + +- data->tjmax = adjust_tjmax(c, data->id, &pdev->dev); +- platform_set_drvdata(pdev, data); ++ /* Intel Atom has only fixed TjMax at 95C */ ++ ++ if (c->x86_model == 0x1c) { ++ data->tjmax = 95000; ++ } else { ++ /* Adjust the TjMax for the rest of Core2 family */ ++ data->tjmax = adjust_tjmax(c, data->id, &pdev->dev); ++ } + + /* read the still undocumented IA32_TEMPERATURE_TARGET it exists + on older CPUs but not in this register */ +@@ -265,6 +271,8 @@ + } + } + ++ platform_set_drvdata(pdev, data); ++ + if ((err = sysfs_create_group(&pdev->dev.kobj, &coretemp_group))) + goto exit_dev; + +@@ -409,15 +417,15 @@ + err = platform_driver_register(&coretemp_driver); + if (err) + goto exit; +- ++ + for_each_online_cpu(i) { + struct cpuinfo_x86 *c = &cpu_data(i); + +- /* check if family 6, models 0xe, 0xf, 0x16, 0x17, 0x1A */ ++ /* check if family 6, models 0xe, 0xf, 0x16, 0x17, 0x1A, 0x1c */ + if ((c->cpuid_level < 0) || (c->x86 != 0x6) || + !((c->x86_model == 0xe) || (c->x86_model == 0xf) || +- (c->x86_model == 0x16) || (c->x86_model == 0x17) || +- (c->x86_model == 0x1A))) { ++ (c->x86_model == 0x16) || (c->x86_model == 0x17) || ++ (c->x86_model == 0x1c) || (c->x86_model == 0x1A))) { + + /* supported CPU not found, but report the unknown + family 6 CPU */

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