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authorIngo Molnar <mingo@elte.hu>2009-01-18 20:15:05 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-18 20:15:05 +0100
commit4092762aebfe55c1f8e31440b80a053c2dbe519b (patch)
tree8fb9fd14131194174c12daf5d8195afd3b62bc3e /drivers/acpi/thermal.c
parent745b1626dd71ce9661a05ea4db57859ed5c773d2 (diff)
parent1de9e8e70f5acc441550ca75433563d91b269bbe (diff)
downloadlinux-4092762aebfe55c1f8e31440b80a053c2dbe519b.tar.bz2
Merge branch 'tracing/ftrace'; commit 'v2.6.29-rc2' into tracing/core
Diffstat (limited to 'drivers/acpi/thermal.c')
-rw-r--r--drivers/acpi/thermal.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 073ff09218a9..99e6f1f8ea45 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -416,7 +416,8 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
}
/* Passive (optional) */
- if (flag & ACPI_TRIPS_PASSIVE) {
+ if (((flag & ACPI_TRIPS_PASSIVE) && tz->trips.passive.flags.valid) ||
+ (flag == ACPI_TRIPS_INIT)) {
valid = tz->trips.passive.flags.valid;
if (psv == -1) {
status = AE_SUPPORT;
@@ -462,8 +463,11 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
memset(&devices, 0, sizeof(struct acpi_handle_list));
status = acpi_evaluate_reference(tz->device->handle, "_PSL",
NULL, &devices);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
+ printk(KERN_WARNING PREFIX
+ "Invalid passive threshold\n");
tz->trips.passive.flags.valid = 0;
+ }
else
tz->trips.passive.flags.valid = 1;
@@ -487,7 +491,8 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
if (act == -1)
break; /* disable all active trip points */
- if (flag & ACPI_TRIPS_ACTIVE) {
+ if ((flag == ACPI_TRIPS_INIT) || ((flag & ACPI_TRIPS_ACTIVE) &&
+ tz->trips.active[i].flags.valid)) {
status = acpi_evaluate_integer(tz->device->handle,
name, NULL, &tmp);
if (ACPI_FAILURE(status)) {
@@ -521,8 +526,11 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
memset(&devices, 0, sizeof(struct acpi_handle_list));
status = acpi_evaluate_reference(tz->device->handle,
name, NULL, &devices);
- if (ACPI_FAILURE(status))
+ if (ACPI_FAILURE(status)) {
+ printk(KERN_WARNING PREFIX
+ "Invalid active%d threshold\n", i);
tz->trips.active[i].flags.valid = 0;
+ }
else
tz->trips.active[i].flags.valid = 1;