linux-kernel - RE: [PATCH 5/9] Thermal: Create 'mapX' sysfs node for a zone

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Date:	Thu, 10 Jan 2013 12:50:20 +0000
From:	"R, Durgadoss" <durgadoss.r@...el.com>
To:	Greg KH <gregkh@...uxfoundation.org>
CC:	"Zhang, Rui" <rui.zhang@...el.com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"eduardo.valentin@...com" <eduardo.valentin@...com>,
	"hongbo.zhang@...aro.org" <hongbo.zhang@...aro.org>,
	"wni@...dia.com" <wni@...dia.com>
Subject: RE: [PATCH 5/9] Thermal: Create 'mapX' sysfs node for a zone

> -----Original Message-----
> From: linux-pm-owner@...r.kernel.org [mailto:linux-pm-
> owner@...r.kernel.org] On Behalf Of Greg KH
> Sent: Tuesday, January 08, 2013 12:51 AM
> To: R, Durgadoss
> Cc: Zhang, Rui; linux-pm@...r.kernel.org; linux-kernel@...r.kernel.org;
> eduardo.valentin@...com; hongbo.zhang@...aro.org; wni@...dia.com
> Subject: Re: [PATCH 5/9] Thermal: Create 'mapX' sysfs node for a zone
> 
> On Mon, Jan 07, 2013 at 12:43:22PM +0530, Durgadoss R wrote:
> > This patch creates a thermal map sysfs node under
> > /sys/class/thermal/zoneX/. This contains
> > entries named map0, map1 .. mapN. Each map has the
> > following space separated values:
> > trip_type sensor_name cdev_name trip_mask weights
> 
> sysfs file are always "one value per file".  This seems to violate that
> rule, so please rework this.

These values together represent the binding information of
sensors and cooling devices in a zone. That's why we put
them in a single file.

>From our previous discussion, I understand we can support
a lot of nodes in sysfs. So, I will work with Rui to see how we can
split this in a meaningful way.

Something like:
map0_trip_type
map0_sensor_name
map0_cdev_name
map0_mask
etc..

Rui, What do you think ?

Thanks,
Durga
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