Further relax temperature range checks after reading the IA32_TEMPERATURE_TARGET
register. If the register returns a value other than 0 in bits 16..32, assume
that the returned value is correct.
This change applies to both packet and core temperature limits.
Cc: Carsten Emde <C.Emde@xxxxxxxxx>
Cc: Fenghua Yu <fenghua.yu@xxxxxxxxx>
Cc: Jean Delvare <khali@xxxxxxxxxxxx>
Signed-off-by: Guenter Roeck <guenter.roeck@xxxxxxxxxxxx>
---
drivers/hwmon/coretemp.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/hwmon/coretemp.c b/drivers/hwmon/coretemp.c
index 1680977..85e9379 100644
--- a/drivers/hwmon/coretemp.c
+++ b/drivers/hwmon/coretemp.c
@@ -296,7 +296,7 @@ static int get_tjmax(struct cpuinfo_x86 *c, u32 id, struct device *dev)
* If the TjMax is not plausible, an assumption
* will be used
*/
- if (val >= 70 && val <= 125) {
+ if (val) {
dev_info(dev, "TjMax is %d C.\n", val);
return val * 1000;
}
@@ -326,7 +326,7 @@ static int get_pkg_tjmax(unsigned int cpu, struct device *dev)
err = rdmsr_safe_on_cpu(cpu, MSR_IA32_TEMPERATURE_TARGET, &eax, &edx);
if (!err) {
val = (eax >> 16) & 0xff;
- if (val > 80 && val < 120)
+ if (val)
return val * 1000;
}
dev_warn(dev, "Unable to read Pkg-TjMax from CPU:%u\n", cpu);
--
1.7.3.1
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