tree 777190e02b9990579f00b1d1281d85f98900cccc
parent d1db0eea852497762cab43b905b879dfcd3b8987
author Guenter Roeck <linux@roeck-us.net> 1398892094 -0700
committer Guenter Roeck <linux@roeck-us.net> 1398942472 -0700

Revert "hwmon: (coretemp) Refine TjMax detection"

This reverts commit 9fb6c9c73b11bef65ba80a362547fd116c1e1c9d.

Tjmax on some Intel CPUs is below 85 degrees C. One known example is
L5630 with Tjmax of 71 degrees C. There are other Xeon processors with
Tjmax of 70 or 80 degrees C. Also, the Intel IA32 System Programming
document states that the temperature target is in bits 23:16 of MSR 0x1a2
(MSR_TEMPERATURE_TARGET), which is 8 bits, not 7.

So even if turbostat uses similar checks to validate Tjmax, there is no
evidence that the checks are actually required. On the contrary, the
checks are known to cause problems and therefore need to be removed.

This fixes https://bugzilla.kernel.org/show_bug.cgi?id=75071.

Fixes: 9fb6c9c hwmon: (coretemp) Refine TjMax detection
Reviewed-by: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org # 3.14+
Signed-off-by: Guenter Roeck <linux@roeck-us.net>