linux-kernel - Re: Platform device id

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Date:	Fri, 7 Sep 2007 17:56:59 -0300
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:	Jean Delvare <khali@...ux-fr.org>, Greg KH <gregkh@...e.de>,
	LKML <linux-kernel@...r.kernel.org>,
	David Brownell <david-b@...bell.net>
Subject: Re: Platform device id

On Fri, 07 Sep 2007, Dmitry Torokhov wrote:
> On 9/7/07, Jean Delvare <khali@...ux-fr.org> wrote:
> > To go one step further, I am questioning the real value of this naming
> > exception for these "unique" platform devices. On top of the bugs I
> > mentioned above, it has potential for compatibility breakage: adding a

Agreed.  But the breakage might happen anyway, if you need to move
attributes from foo.0 to foo.1.  After that first time, userspace will learn
to hunt down all foo.* after what it wants, but still...

> If a device has a <name>.<instance> scheme this implies possibility of
> having several instances of said device in a box. There are a few of

No, it doesn't. It allows for, but it does not imply anything.

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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