Re: (Semi-random) thoughts on device tree structure and devfs

[Masao Uebayashi <uebayasi%gmail.com@localhost>]

On Thu, Mar 11, 2010 at 6:56 PM, Iain Hibbert <plunky%rya-online.net@localhost> 
wrote:
> On Thu, 11 Mar 2010, Masao Uebayashi wrote:
>> > We can discard the pseudo-devices concept, if need be.
>>
>> In what sense?
>>
>> As I explained in the first post, pseudo device is strict definition;
>> it has no parent in terms of physiical topology.  It may have parents
>> in terms of components.   I've very carefully investigated those.  I
>> strictly defferenciate them.  Please re-read the first post in this
>> thread.
>
> If a device has no parent, just attach it at root (similar to mainbus*),
> with parent == NULL, or even pseudo* at root, and pseudo-dev* at pseudo?
>
> It is a frustration when building a 'software' device that there are some
> differences between the methodology of configuration, and it is not
> possible to pass configuration arguments from userland into the device
> attach routine..

Could you show one (or more) real example(s) / senario(s)?  That would
help to understand problems & clarify requirements...

Masao