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Date:	Mon, 26 Oct 2009 08:39:04 +0100
From:	Frans Pop <elendil@...net.nl>
To:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, Frans Pop <elendil@...net.nl>,
	Zhang Rui <rui.zhang@...el.com>
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 <elendil@...net.nl>
Acked-by: Matthew Garrett <mjg@...hat.com>
Cc: Zhang Rui <rui.zhang@...el.com>
---
 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);
 	mutex_unlock(&tz->lock);
 }
 EXPORT_SYMBOL(thermal_zone_device_update);
-- 
1.5.6.5

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