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

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Message-Id: <200803071717.44028.david-b@pacbell.net>
Date:	Fri, 7 Mar 2008 17:17:43 -0800
From:	David Brownell <david-b@...bell.net>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	linux-arm-kernel@...ts.arm.linux.org.uk, Greg KH <greg@...ah.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [UPDATED v3][PATCH 5/7] regulator: sysfs ABI

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"?

- Dave
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