linux-kernel - Re: [linux-pm][PATCH] base: Change power/wakeup output from "" to "unsupported" if wakeup feature isn't supported by a device

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Message-Id: <1199670923.3551.10.camel@yangyi-dev.bj.intel.com>
Date:	Mon, 07 Jan 2008 09:55:23 +0800
From:	Yi Yang <yi.y.yang@...el.com>
To:	Olivier Galibert <galibert@...ox.com>
Cc:	Alan Stern <stern@...land.harvard.edu>,
	David Brownell <david-b@...bell.net>, pavel@....cz,
	linux-pm@...ts.linux-foundation.org, linux-kernel@...r.kernel.org
Subject: Re: [linux-pm][PATCH] base: Change power/wakeup output from "" to
	"unsupported" if wakeup feature isn't supported by a device

On Fri, 2008-01-04 at 17:52 +0100, Olivier Galibert wrote:
> On Fri, Jan 04, 2008 at 11:38:29AM -0500, Alan Stern wrote:
> > How about changing it to say "unavailable"?  That doesn't imply 
> > permanence.
> 
> How about not changing a userland-visible interface gratuitously?
"empty" can't tell a user the state of wakeup of a device, so it is
necessary to change it.
> 
>   OG.
> 

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