Re: [RFC PATCH] platform: Faciliatate the creation ofpseduo-platform busses

From: Greg KH
Date: Fri Aug 06 2010 - 10:30:49 EST

On Thu, Aug 05, 2010 at 04:59:35PM -0600, Grant Likely wrote:
> (On that point Greg, what is the reason for even having the
> /sys/devices/platform/ parent? Why not just let the platform devices
> sit at the root of the device tree? In the OF case (granted, I'm
> biased) all of the platform_device registrations reflect the actual
> device hierarchy expressed in the device tree data.)

If we sat them at the "root", there would be a bunch of them there. I
don't know, we could drop the parent, I guess whoever created the
platform device oh so long ago, decided that it would look nicer to be
in this type of structure.

> Now, having gone on this whole long tirade, it looks like having
> separate platform bus types may not be the best approach after all.

I totally agree, and thanks for the detailed explaination, it saved me
from having to write up the same thing :)

greg k-h
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