linux-kernel - Re: [PATCH -mm] PM: Add pm

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Message-ID: <20060830203310.GB11531@kroah.com>
Date:	Wed, 30 Aug 2006 13:33:10 -0700
From:	Greg KH <greg@...ah.com>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
Cc:	Andrew Morton <akpm@...l.org>, LKML <linux-kernel@...r.kernel.org>,
	Pavel Machek <pavel@....cz>
Subject: Re: [PATCH -mm] PM: Add pm_trace switch

On Wed, Aug 30, 2006 at 10:22:36PM +0200, Rafael J. Wysocki wrote:
> On Wednesday 30 August 2006 19:22, Greg KH wrote:
> > On Wed, Aug 30, 2006 at 12:02:59PM +0200, Rafael J. Wysocki wrote:
> > > On Tuesday 29 August 2006 22:46, Andrew Morton wrote:
> > > > On Tue, 29 Aug 2006 13:09:57 +0200
> > > > "Rafael J. Wysocki" <rjw@...k.pl> wrote:
> > > > 
> > > > > +int pm_trace_enabled;
> > > > > +
> > > > > +static ssize_t pm_trace_show(struct subsystem * subsys, char * buf)
> > > > > +{
> > > > > +	return sprintf(buf, "%d\n", pm_trace_enabled);
> > > > > +}
> > > > > +
> > > > > +static ssize_t
> > > > > +pm_trace_store(struct subsystem * subsys, const char * buf, size_t n)
> > > > > +{
> > > > > +	int val;
> > > > > +
> > > > > +	if (sscanf(buf, "%d", &val) == 1) {
> > > > > +		pm_trace_enabled = !!val;
> > > > > +		return n;
> > > > > +	}
> > > > > +	return -EINVAL;
> > > > > +}
> > > > > +
> > > > > +power_attr(pm_trace);
> > > > 
> > > > <grumbles about documentation>
> > > 
> > > Well, this is the most difficult part. ;-)
> > > 
> > > Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
> > > ---
> > >  Documentation/power/interface.txt |   15 +++++++++++++++
> > 
> > Please update Documentation/ABI/ too.
> 
> I could, but there's nothing related to /sys/power/ in Documentation/ABI/
> right now.
> 
> Do you mean I should create a file for /sys/power/ in there?  If so, what
> should I put in there?  I guess pretty much the same as in
> Documentation/power/interface.txt ...

Exactly :)

thanks,

greg k-h
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