src/patches/linux-2.6.27-atom-coretemp.patch

   1 diff -Naur linux-2.6.27.42.org/drivers/hwmon/coretemp.c linux-2.6.27.42/drivers/hwmon/coretemp.c
   2 --- linux-2.6.27.42.org/drivers/hwmon/coretemp.c        2009-12-18 22:31:34.000000000 +0100
   3 +++ linux-2.6.27.42/drivers/hwmon/coretemp.c    2010-02-07 12:36:39.000000000 +0100
   4 @@ -1,7 +1,7 @@
   5  /*
   6   * coretemp.c - Linux kernel module for hardware monitoring
   7   *
   8 - * Copyright (C) 2007 Rudolf Marek <r.marek@assembler.cz>
   9 + * Copyright (C) 2007, 2008 Rudolf Marek <r.marek@assembler.cz>
  10   *
  11   * Inspired from many hwmon drivers
  12   *
  13 @@ -244,8 +244,14 @@
  14                 }
  15         }
  16
  17 -       data->tjmax = adjust_tjmax(c, data->id, &pdev->dev);
  18 -       platform_set_drvdata(pdev, data);
  19 +       /* Intel Atom has only fixed TjMax at 95C */
  20 +
  21 +       if (c->x86_model == 0x1c) {
  22 +               data->tjmax = 95000;
  23 +       } else {
  24 +               /* Adjust the TjMax for the rest of Core2 family */
  25 +               data->tjmax = adjust_tjmax(c, data->id, &pdev->dev);
  26 +       }
  27
  28         /* read the still undocumented IA32_TEMPERATURE_TARGET it exists
  29            on older CPUs but not in this register */
  30 @@ -265,6 +271,8 @@
  31                 }
  32         }
  33
  34 +       platform_set_drvdata(pdev, data);
  35 +
  36         if ((err = sysfs_create_group(&pdev->dev.kobj, &coretemp_group)))
  37                 goto exit_dev;
  38
  39 @@ -409,15 +417,15 @@
  40         err = platform_driver_register(&coretemp_driver);
  41         if (err)
  42                 goto exit;
  43 -
  44 +
  45         for_each_online_cpu(i) {
  46                 struct cpuinfo_x86 *c = &cpu_data(i);
  47
  48 -               /* check if family 6, models 0xe, 0xf, 0x16, 0x17, 0x1A */
  49 +               /* check if family 6, models 0xe, 0xf, 0x16, 0x17, 0x1A, 0x1c */
  50                 if ((c->cpuid_level < 0) || (c->x86 != 0x6) ||
  51                     !((c->x86_model == 0xe) || (c->x86_model == 0xf) ||
  52 -                       (c->x86_model == 0x16) || (c->x86_model == 0x17) ||
  53 -                       (c->x86_model == 0x1A))) {
  54 +                       (c->x86_model == 0x16) || (c->x86_model == 0x17)  ||
  55 +                       (c->x86_model == 0x1c) || (c->x86_model == 0x1A))) {
  56
  57                         /* supported CPU not found, but report the unknown
  58                            family 6 CPU */