summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--Documentation/kernel-parameters.txt2
-rw-r--r--drivers/acpi/thermal.c8
2 files changed, 6 insertions, 4 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 1150444a21ab..070742360a29 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2146,7 +2146,7 @@ and is between 256 and 4096 characters. It is defined in the file
thermal.crt= [HW,ACPI]
-1: disable all critical trip points in all thermal zones
- <degrees C>: lower all critical trip points
+ <degrees C>: override all critical trip points
thermal.nocrt= [HW,ACPI]
Set to disable actions on ACPI thermal zone
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index e052a75c29ce..e9e17dfc5dc2 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -388,10 +388,12 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
} else if (crt > 0) {
unsigned long crt_k = CELSIUS_TO_KELVIN(crt);
/*
- * Allow override to lower critical threshold
+ * Allow override critical threshold
*/
- if (crt_k < tz->trips.critical.temperature)
- tz->trips.critical.temperature = crt_k;
+ if (crt_k > tz->trips.critical.temperature)
+ printk(KERN_WARNING PREFIX
+ "Critical threshold %d C\n", crt);
+ tz->trips.critical.temperature = crt_k;
}
}
}