linux-kernel - [PATCH] thermal: Fix polling frequency for systems without passive cooling

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Message-ID: <20090414191645.GB7940@srcf.ucam.org>
Date:	Tue, 14 Apr 2009 20:16:45 +0100
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Alan Jenkins <alan-jenkins@...fmail.co.uk>
Cc:	yakui_zhao <yakui.zhao@...el.com>, Zhang Rui <rui.zhang@...el.com>,
	Alexey Starikovskiy <aystarik@...il.com>,
	"linux-acpi@...r.kernel.org" <linux-acpi@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: [PATCH] thermal: Fix polling frequency for systems without passive cooling

The polling interval (in deciseconds) was accidently interpreted as 
being in milliseconds in one codepath, resulting in excessively frequent 
polling. Ensure that the conversion is performed.

Signed-off-by: Matthew Garrett <mjg@...hat.com>

---

diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 9cd15e8..564ea14 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -909,7 +909,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
 			thermal_zone_device_register("acpitz", trips, tz,
 						     &acpi_thermal_zone_ops,
 						     0, 0, 0,
-						     tz->polling_frequency);
+						     tz->polling_frequency*100);
 	if (IS_ERR(tz->thermal_zone))
 		return -ENODEV;

-- 
Matthew Garrett | mjg59@...f.ucam.org
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