linux-kernel - Re: [lm-sensors] [PATCH] hwmon: Add tempX

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Message-ID: <20100826175141.GA19646@ericsson.com>
Date:	Thu, 26 Aug 2010 10:51:41 -0700
From:	Guenter Roeck <guenter.roeck@...csson.com>
To:	Henrique de Moraes Holschuh <hmh@....eng.br>
CC:	Jean Delvare <khali@...ux-fr.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"linux-doc@...r.kernel.org" <linux-doc@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"lm-sensors@...sensors.org" <lm-sensors@...sensors.org>,
	Randy Dunlap <rdunlap@...otime.net>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>
Subject: Re: [lm-sensors] [PATCH] hwmon: Add tempX_emergency to sysfs ABI

On Thu, Aug 26, 2010 at 12:10:23PM -0400, Henrique de Moraes Holschuh wrote:
> On Thu, 26 Aug 2010, Guenter Roeck wrote:
> > Signed-off-by: Guenter Roeck <guenter.roeck@...csson.com>
> > ---
> > tempX_emergency will be used by max6696. It can also be used for other chips
> > supporting three upper temperature limits.
> > 
> >  Documentation/hwmon/sysfs-interface |    6 ++++++
> >  1 files changed, 6 insertions(+), 0 deletions(-)
> > 
> > diff --git a/Documentation/hwmon/sysfs-interface b/Documentation/hwmon/sysfs-interface
> > index ff45d1f..1ceb2b9 100644
> > --- a/Documentation/hwmon/sysfs-interface
> > +++ b/Documentation/hwmon/sysfs-interface
> > @@ -310,6 +310,12 @@ temp[1-*]_crit_hyst
> >  		from the critical value.
> >  		RW
> >  
> > +temp[1-*]_emergency
> > +		Temperature emergency value, typically greater than
> > +		corresponding temp_crit values.
> > +		Unit: millidegree Celsius
> > +		RW
> > +
> 
> If we have two-level alarms: critical, then emergency, it is best to have
> that written down than to imply it by "typically greater than corresponding
> temp_crit"...
> 
How about:
        Temperature emergency max value, for chips supporting more than
        two upper temperature limits. Must be equal or greater than
        corresponding temp_crit values.
        Unit: millidegree Celsius
        RW

Guenter
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