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Date:	Mon, 26 Oct 2009 08:39:04 +0100
From:	Frans Pop <>
Cc:, Frans Pop <>,
	Zhang Rui <>
Subject: [PATCH 6/6] thermal: disable polling if passive_delay and polling_delay are both unset

Otherwise polling will continue for the thermal zone even when
it is no longer needed, for example because forced passive cooling
was disabled.

Signed-off-by: Frans Pop <>
Acked-by: Matthew Garrett <>
Cc: Zhang Rui <>
 drivers/thermal/thermal_sys.c |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/drivers/thermal/thermal_sys.c b/drivers/thermal/thermal_sys.c
index fc5e92e..d69e6fd 100644
--- a/drivers/thermal/thermal_sys.c
+++ b/drivers/thermal/thermal_sys.c
@@ -1019,6 +1019,8 @@ void thermal_zone_device_update(struct thermal_zone_device *tz)
 		thermal_zone_device_set_polling(tz, tz->passive_delay);
 	else if (tz->polling_delay)
 		thermal_zone_device_set_polling(tz, tz->polling_delay);
+	else
+		thermal_zone_device_set_polling(tz, 0);

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