linux-kernel - Re: [UPDATED v3][PATCH 5/7] regulator: sysfs ABI

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Message-ID: <20080308055221.GA13434@kroah.com>
Date:	Fri, 7 Mar 2008 21:52:21 -0800
From:	Greg KH <greg@...ah.com>
To:	David Brownell <david-b@...bell.net>
Cc:	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	linux-arm-kernel@...ts.arm.linux.org.uk,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [UPDATED v3][PATCH 5/7] regulator: sysfs ABI

On Fri, Mar 07, 2008 at 05:17:43PM -0800, David Brownell wrote:
> On Friday 07 March 2008, Mark Brown wrote:
> > On Fri, Mar 07, 2008 at 08:12:12AM -0800, Greg KH wrote:
> > > On Thu, Mar 06, 2008 at 06:12:05PM +0000, Liam Girdwood wrote:
> > 
> > > > +		Some regulator directories will contain a link called parent.
> > > > +		This points to the parent or supply regulator if one exists.
> > 
> > > I don't think this is needed, why not just parent the device properly in
> > > the device tree itself?
> > 
> > The device tree would tend to show parent for the the control interfaces
> > for the regulators (typically I2C or SPI) but there is likely to be
> > little or no relationship between that and the power distribution in the
> > system.
> 
> I find "parent" a bit awkward, and Greg won't be the only one to
> be asking that question.  Maybe it'd be better named "supply"?

Yes, "parent" means something in the driver model (the parent of the
device in the tree).  I agree with the different wording like "supply"
if that makes sense.  Or something else other than "parent".

thanks,

greg k-h
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