[PATCH V2 1/6] powerpc: Move udbg_early_init() after early_init_devtree()

[Dave Kleikamp]

On Wed, 2011-03-02 at 14:37 +1100, Benjamin Herrenschmidt wrote:
> On Mon, 2011-02-07 at 19:29 +1100, David Gibson wrote:
> > On Wed, Feb 02, 2011 at 06:00:25PM -0600, Dave Kleikamp wrote:
> > > On Thu, 2011-02-03 at 10:06 +1100, David Gibson wrote:
> > > > On Tue, Feb 01, 2011 at 12:48:41PM -0600, Dave Kleikamp wrote:
> > > > > so that it can use information from the device tree.
> > > > 
> > > > Hrm.  On the other hand this means that the early_init_devtree() code
> > > > can't benefit from hardcoded early debugging.  Since you don't
> > > > actually appear to use devtree information in udbg_early_init() in the
> > > > latest series, I'd suggest dropping this patch.
> > > 
> > > Patch 2 depends on early_init_devtree() being run.  Until then, I don't
> > > know of a way to get at the bootargs.
> > 
> > Ah, yes.  Drat.
> 
> Doesn't matter. _Early_ debug has (or should have) the address in
> the .config file anyways, so it really shouldn't have to care about the
> arguments.
> 
> So I'll drop this patch.
> 
> There are plenty of reasons why we want to be able to use the early
> debug stuff to debug what's happening inside early_init_devtree() :-)

Fair enough.  I wasn't sure this was the right thing to do.  It's either
turn off early debug for AMP, or build separate kernels with a different
address in .config.

Shaggy