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

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Date:	Fri, 17 Apr 2009 09:37:07 +0800
From:	Zhang Rui <rui.zhang@...el.com>
To:	Matthew Garrett <mjg59@...f.ucam.org>
Cc:	Alan Jenkins <alan-jenkins@...fmail.co.uk>,
	"Zhao, Yakui" <yakui.zhao@...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>,
	Len Brown <lenb@...nel.org>
Subject: Re: [PATCH] thermal: Fix polling frequency for systems without
	passive cooling

On Wed, 2009-04-15 at 03:16 +0800, Matthew Garrett wrote:
> 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>

Acked-by: Zhang Rui <rui.zhang@...el.com>

Len,
I think we can ship this patch in 2.6.30-rc3.

thanks,
rui
> 
> ---
> 
> 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;
> 

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