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Message-Id: <201108142330.42720.rjw@sisk.pl> Date: Sun, 14 Aug 2011 23:30:42 +0200 From: "Rafael J. Wysocki" <rjw@...k.pl> To: Len Brown <lenb@...nel.org> Cc: LKML <linux-kernel@...r.kernel.org>, ACPI Devel Mailing List <linux-acpi@...r.kernel.org>, Linux PM mailing list <linux-pm@...ts.linux-foundation.org> Subject: [PATCH] thermal: Prevent polling from happening during system suspend From: Rafael J. Wysocki <rjw@...k.pl> The thermal driver should use a freezable workqueue to schedule polling to prevent thermal_zone_device_update() from being run during system suspend, when the devices it relies on may be inactive. Make it use the system freezable workqueue for this purpose. Signed-off-by: Rafael J. Wysocki <rjw@...k.pl> --- drivers/thermal/thermal_sys.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) Index: linux/drivers/thermal/thermal_sys.c =================================================================== --- linux.orig/drivers/thermal/thermal_sys.c +++ linux/drivers/thermal/thermal_sys.c @@ -678,10 +678,10 @@ static void thermal_zone_device_set_poll return; if (delay > 1000) - schedule_delayed_work(&(tz->poll_queue), + queue_delayed_work(system_freezable_wq, &(tz->poll_queue), round_jiffies(msecs_to_jiffies(delay))); else - schedule_delayed_work(&(tz->poll_queue), + queue_delayed_work(system_freezable_wq, &(tz->poll_queue), msecs_to_jiffies(delay)); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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