X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Facpi%2Fthermal.c;h=30a3413379334e9ee24071f8d704dc3156bc118c;hb=fc3a8828b139c24aade3f9d608775e36c248f8f5;hp=504385b1f2116614bd8e53e598b5c093414b2841;hpb=d9cadb0d2ffed847851945a66e80d0b9d767611c;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 504385b1f21..30a34133793 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -364,10 +364,17 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 	if (flag & ACPI_TRIPS_CRITICAL) {
 		status = acpi_evaluate_integer(tz->device->handle,
 				"_CRT", NULL, &tz->trips.critical.temperature);
-		if (ACPI_FAILURE(status)) {
+		/*
+		 * Treat freezing temperatures as invalid as well; some
+		 * BIOSes return really low values and cause reboots at startup.
+		 * Below zero (Celcius) values clearly aren't right for sure..
+		 * ... so lets discard those as invalid.
+		 */
+		if (ACPI_FAILURE(status) ||
+				tz->trips.critical.temperature <= 2732) {
 			tz->trips.critical.flags.valid = 0;
 			ACPI_EXCEPTION((AE_INFO, status,
-					"No critical threshold"));
+					"No or invalid critical threshold"));
 			return -ENODEV;
 		} else {
 			tz->trips.critical.flags.valid = 1;
@@ -1172,8 +1179,8 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
 
 	tz->tz_enabled = 1;
 
-	printk(KERN_INFO PREFIX "%s is registered as thermal_zone%d\n",
-			tz->device->dev.bus_id, tz->thermal_zone->id);
+	dev_info(&tz->device->dev, "registered as thermal_zone%d\n",
+		 tz->thermal_zone->id);
 	return 0;
 }