Re: lpt0 disappear (ppc related)

From: Rong-En Fan <grafan_at_gmail.com>
Date: Tue, 2 May 2006 00:38:32 -0400
On 5/2/06, M. Warner Losh <imp_at_bsdimp.com> wrote:
> In message: <200605020815.31012.doconnor_at_gsoft.com.au>
>             "Daniel O'Connor" <doconnor_at_gsoft.com.au> writes:
> : On Tuesday 02 May 2006 01:23, M. Warner Losh wrote:
> : > : However you wouldn't expect that using it as a module would result in
> : > : reduced functionality. (The same as how you wouldn't expect compiling
> : > : something into your kernel would result in reduced functionality)
> : >
> : > At the same time, you'd expect it to behave like every other 'bus' in
> : > the tree.  We omit the attachments for drivers to that bus when the
> : > kernel is built w/o that bus.  This is why if you have, say, ep in the
> : > kernel, but pccard loaded as a module, the 3c589 you just inserted
> : > into the pccard slot won't work.
> : >
> : > It is a minor imperfection in the config system that no one has taken
> : > on as a Problem To Solve.  Solving it turns out to be somewhat tricky.
> :
> : Hmm, but I load acpi as a module and get acpi attachments.. (for sio and ppc)
> :
> : <shrugs> it's black magic to me anyway :)
> :
> : I didn't mean to belittle Marcel's work, I was just suprised that it would
> : cause a functionality loss like that.
>
> I think it just points out a weakness in the underlying system...

Hmm, until this is solved. Could we have acpi configured in kernel
on i386 as default? I really don't know why this is deprecated usage.
(as the comments in NOTES says)

Thanks,
Rong-En Fan
Received on Tue May 02 2006 - 02:38:33 UTC

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