Re: [PATCH 02/11] Add udbg_console_anytime() which sets udbg console to CON_ANYTIME

[Michael Ellerman <michael@ellerman.id.au>]

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On Fri, 2008-04-18 at 18:20 +1000, Benjamin Herrenschmidt wrote:
> On Fri, 2008-04-18 at 17:54 +1000, Michael Ellerman wrote:
> > In theory the udbg console should be safe to call basically at any time
> > after boot. It does not need any per-cpu resources or for the cpu to be
> > online, as long as there is a udbg_putc routine hooked up it should
> > work. So it should be able to be marked as CON_ANYTIME.
> > 
> > Verifying this will take a bit of time and testing though, so instead of
> > marking udbg console as CON_ANYTIME for all platforms, add a routine so
> > that a platform can opt-in to having udbg console called early.
> > 
> > Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
> 
> Nah, just stick it always.

Meh, OK. I'm still going to require the platform code to call
register_early_udbg_console() if it wants to register earlier than
setup_system() - so the behaviour will essentially be the same.

NB that if it breaks anything I can now say BenH told me to do it ;)

cheers

-- 
Michael Ellerman
OzLabs, IBM Australia Development Lab

wwweb: http://michael.ellerman.id.au
phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person

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