From: "Rafael J. Wysocki" <rjw@sisk.pl>
To: Magnus Damm <magnus.damm@gmail.com>
Subject: Re: [PATCH] Driver Core: Add platform device arch data V2
Date: Wed, 3 Jun 2009 11:01:55 +0200
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       gregkh@suse.de, stern@rowland.harvard.edu,
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On Tuesday 02 June 2009, Magnus Damm wrote:
> 2009/6/2 Rafael J. Wysocki <rjw@sisk.pl>:
> > On Monday 01 June 2009, Rafael J. Wysocki wrote:
> >> On Monday 01 June 2009, Magnus Damm wrote:
> >> > From: Magnus Damm <damm@igel.co.jp>
[--snip--]
> 
> If you guys dislike adding arch specific data to struct platform
> device then for SuperH we can just (mis)use the arch specific data in
> struct device instead. I'm afraid that solution wastes memory since
> the data will only be used for platform devices anyway. So I prefer
> adding arch specific data to struct platform_device instead of struct
> device if possible.

BTW, what is the difference really?  You can always put
dev.platform_data = NULL for devices that don't have any platform data,
can't you?

Rafael
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