Commit 4985cd0a authored Apr 27, 2007 by Henrique de Moraes Holschuh Committed by Len Brown Apr 28, 2007

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>

parent ecf2a80a

drivers/misc/thinkpad_acpi.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -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);