diff options
author | Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2007-04-27 21:00:10 -0400 |
---|---|---|
committer | Len Brown <len.brown@intel.com> | 2007-04-28 21:41:16 -0400 |
commit | 4985cd0a63b0713b6469ef01aae6a0e63ea72f83 (patch) | |
tree | 8260c0319aefeea1c1ca00b49ffddbe94d6227ce /drivers/misc | |
parent | ecf2a80a97b3d38ae008fa8a3cb98cd540ac1eae (diff) |
ACPI: thinkpad-acpi: do not arm fan watchdog if it would not work
Do not enable/rearm the fan control safety watchdog if we would not be able
to do anything to the fan anyway.
Signed-off-by: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/misc')
-rw-r--r-- | drivers/misc/thinkpad_acpi.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 7dc3a220619..f824259fa61 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c | |||
@@ -3197,6 +3197,9 @@ static void fan_watchdog_reset(void) | |||
3197 | { | 3197 | { |
3198 | static int fan_watchdog_active = 0; | 3198 | static int fan_watchdog_active = 0; |
3199 | 3199 | ||
3200 | if (fan_control_access_mode == TPACPI_FAN_WR_NONE) | ||
3201 | return; | ||
3202 | |||
3200 | if (fan_watchdog_active) | 3203 | if (fan_watchdog_active) |
3201 | cancel_delayed_work(&fan_watchdog_task); | 3204 | cancel_delayed_work(&fan_watchdog_task); |
3202 | 3205 | ||