linux-kernel - Re: [PATCH/RFC v2 4/4] hwmon: sysfs API updates

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Message-ID: <20100706092109.776c4779@hyperion.delvare>
Date:	Tue, 6 Jul 2010 09:21:09 +0200
From:	Jean Delvare <khali@...ux-fr.org>
To:	Guenter Roeck <guenter.roeck@...csson.com>
Cc:	Jonathan Cameron <kernel@...23.retrosnub.co.uk>,
	Randy Dunlap <rdunlap@...otime.net>,
	Andrew Morton <akpm@...ux-foundation.org>,
	"Ira W. Snyder" <iws@...o.caltech.edu>,
	"Darrick J. Wong" <djwong@...ibm.com>,
	"Ben Dooks (embedded platforms)" <ben-linux@...ff.org>,
	Hans de Goede <hdegoede@...hat.com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	Crane Cai <crane.cai@....com>,
	Linus Walleij <linus.walleij@...ricsson.com>,
	Ralf Baechle <ralf@...ux-mips.org>,
	"lm-sensors@...sensors.org" <lm-sensors@...sensors.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>
Subject: Re: [PATCH/RFC v2 4/4] hwmon: sysfs API updates

On Mon, 5 Jul 2010 14:39:53 -0700, Guenter Roeck wrote:
> Hi Jean,
> 
> I noticed I did not copy the list with my reply, so here are are again,
> with a couple of additional comments.
> 
> On Mon, Jul 05, 2010 at 03:18:57AM -0400, Jean Delvare wrote:
> > On Sun, 4 Jul 2010 21:10:18 -0700, Guenter Roeck wrote:
> > > @@ -482,10 +501,17 @@ OR
> > >  
> > >  in[0-*]_min_alarm
> > >  in[0-*]_max_alarm
> > > +in[0-*]_lcrit_alarm
> > > +in[0-*]_crit_alarm
> > > +curr[1-*]_lcrit_alarm
> > > +curr[1-*]_crit_alarm
> > 
> > No _min and _max alarm for curr?
> > 
> Oversight. pmbus devices don't support currX_min and currX_min_alarm, only
> currX_lcrit and currX_lcrit_alarm. The ltc4245 driver already supports
> currX_max_alarm, though, so I'll add both for consistency.
> 
> The ltc4245 driver only supports currX_max_alarm, not currX_min_alarm, though.
> Wonder if that should be changed to currX_alarm, to more closely follow the API.
> Let me know and I'll submit a patch if needed.

Both should be defined and supported, and the driver author chooses
what fits his/her chip best.

-- 
Jean Delvare
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