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| author |   Henrique de Moraes Holschuh <hmh@hmh.eng.br> | 2007-04-27 22:00:10 -0300 |
|---|---|---|
| committer |   Len Brown <len.brown@intel.com> | 2007-04-28 21:41:16 -0400 |
| commit | 4985cd0a63b0713b6469ef01aae6a0e63ea72f83 (patch) | |
| tree | 8260c0319aefeea1c1ca00b49ffddbe94d6227ce /drivers/misc/thinkpad_acpi.c | |
| parent | ACPI: thinkpad-acpi: add a fan-control feature master toggle (diff) | |
| download | linux-rng-4985cd0a63b0713b6469ef01aae6a0e63ea72f83.tar.xz linux-rng-4985cd0a63b0713b6469ef01aae6a0e63ea72f83.zip | |
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/thinkpad_acpi.c')
| -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 7dc3a2206195..f824259fa611 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -3197,6 +3197,9 @@ static void fan_watchdog_reset(void) { static int fan_watchdog_active = 0; + if (fan_control_access_mode == TPACPI_FAN_WR_NONE) + return; + if (fan_watchdog_active) cancel_delayed_work(&fan_watchdog_task); |