linux-kernel - Re: [PATCH 0/10] generic thermal management

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Date:	Fri, 1 Feb 2008 23:23:16 -0500
From:	Len Brown <lenb@...nel.org>
To:	Zhang Rui <rui.zhang@...el.com>
Cc:	linux-acpi@...r.kernel.org, linux-pm@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, sujith.thomas@...el.com
Subject: Re: [PATCH 0/10] generic thermal management

series applied to acpi-test.

thanks,
-Len

On Thursday 17 January 2008 02:50, Zhang Rui wrote:
> Hi, all,
> 
> This patch series introduces a new generic thermal sysfs driver
> which provides a set of interfaces for thermal zone devices (sensors)
> and thermal cooling devices (fan, processor...) to register with the
> thermal management solution and to be a part of it.
> 
> And it also includes the implementation for ACPI thermal zone.
> Standard sysfs I/F should be available for all ACPI thermal zones
> with this patch series applied.
> 
> Patch 01 creates the new generic thermal sysfs driver.
> 	 It defines two kinds of devices, thermal zone device and
> 	 thermal cooling device.
> 	 A thermal zone device usually contains a sensor to monitor the
> 	 temperature, several trip points and a bunch of cooling devices
> 	 associated with them.
> 	 A thermal cooling device is a device that can be throttled
> 	 to cool the system.
> 	 The generic thermal sysfs driver creates the standard sysfs I/F
> 	 for any registered thermal zone and thermal cooling device.
> 	 And binds the cooling devices to thermal zones if possible.
> 
> Patch 02 registers ACPI thermal zone as thermal zone device.
> 
> Patch 03 is a fix of violations of ACPI spec in ACPI thermal driver.
> 
> Patch 04 registers ACPI Fan as thermal cooling device.
> 
> Patch 05 registers ACPI Processor as thermal cooling device.
> 
> Patch 06 registers ACPI Video LCD as thermal cooling device.
> 	 Because throttling the backlight of LCD can cool the system as well.
> 
> Patch 09 creates a new platform specific driver, intel_menlow.
> 	 which is the thermal enhancement driver for intel menlow platform.
> 	 It programs the sensor of each thermal zone and registers the
> 	 intel memory controller (hardware id INT0002) as thermal cooling device.
> 
> Patch 07 08 and 10 are minor fixes, please refer to the changelog of each patch.
> 
> I've tested them and they work well on several systems.
> I'd like to get some feedbacks from the list. Any comments are appreciated. :)
> 
> Thanks,
> Rui
> 
> 
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