why does ppc64 require boards to call pci_devs_phb_init()?

[Benjamin Herrenschmidt]

On Thu, 2009-04-30 at 10:37 -0500, Kumar Gala wrote:
> looking at merging this in w/ppc32 and wondering why board code has to  
> call pci_devs_phb_init() and not do it via pcibios_init()

As I said on IRC, not too sure at the moment, it could be due to some
ordering issues where pSeries needs the pci_dn's to be there before
pcibios_init(). We'll have to dig a bit on that one.

Cheers,
Ben.