diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-11 17:16:32 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-06-11 17:16:32 -0700 |
commit | da50ccc6a0f32ad29c1168837330a78e6e2e2923 (patch) | |
tree | 26b04cc168e1ad98a308f2771e913f213f46b5ac /drivers/acpi/thermal.c | |
parent | a4df1ac12dd2d2812713a5fdd56af954d1bc251d (diff) | |
parent | 3549dba2c334e82df90f5e00ff85d2a7a2cdd1af (diff) |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: (23 commits)
ACPICA: fix stray va_end() caused by mis-merge
ACPI: Reject below-freezing temperatures as invalid critical temperatures
ACPICA: Fix for access to deleted object <regression>
ACPICA: Fix to make _SST method optional
ACPICA: Fix for Load operator, load table at the namespace root
ACPICA: Ignore ACPI table signature for Load() operator
ACPICA: Fix to allow zero-length ASL field declarations
ACPI: use memory_read_from_buffer()
bay: exit if notify handler cannot be installed
dock.c remove trailing printk whitespace
proper prototype for acpi_processor_tstate_has_changed()
ACPI: handle invalid ACPI SLIT table
PNPACPI: use _CRS IRQ descriptor length for _SRS
pnpacpi: fix shareable IRQ encode/decode
pnpacpi: fix IRQ flag decoding
MAINTAINERS: update ACPI homepage
ACPI 2.6.26-rc2: Add missing newline to DSDT/SSDT warning message
ACPI: EC: Use msleep instead of udelay while waiting for event.
thinkpad-acpi: fix LED handling on older ThinkPads
thinkpad-acpi: fix initialization error paths
...
Diffstat (limited to 'drivers/acpi/thermal.c')
-rw-r--r-- | drivers/acpi/thermal.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index 504385b1f21..84c795fb9b1 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; |