powerpc/pasemi: Move PHB discovery

Signed-off-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20201103043523.916109-17-oohall@gmail.com

arch/powerpc/platforms/pasemi/setup.c

@@ -144,8 +144,6 @@ static void __init pas_setup_arch(void)
 	/* Setup SMP callback */
 	smp_ops = &pas_smp_ops;
 #endif
-	/* Lookup PCI hosts */
-	pas_pci_init();
 
 	/* Remap SDC register for doing reset */
 	/* XXXOJN This should maybe come out of the device tree */
@@ -446,6 +444,7 @@ define_machine(pasemi) {
 	.name			= "PA Semi PWRficient",
 	.probe			= pas_probe,
 	.setup_arch		= pas_setup_arch,
+	.discover_phbs		= pas_pci_init,
 	.init_IRQ		= pas_init_IRQ,
 	.get_irq		= mpic_get_irq,
 	.restart		= pas_restart,