From 7c674700098c87b305b99652e3c694c4ef195866 Mon Sep 17 00:00:00 2001
From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Date: Sat, 27 Dec 2014 18:19:12 -0700
Subject: [PATCH] PCI: Move domain assignment from arm64 to generic code

The current logic in arm64 pci_bus_assign_domain_nr() is flawed in that
depending on the host controller configuration for a platform and the
initialization sequence, core code may end up allocating PCI domain numbers
from both DT and the generic domain counter, which would result in PCI
domain allocation aliases/errors.

Fix the logic behind the PCI domain number assignment and move the
resulting code to the PCI core so the same domain allocation logic is used
on all platforms that select CONFIG_PCI_DOMAINS_GENERIC.

[bhelgaas: tidy changelog]
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Liviu Dudau <Liviu.Dudau@arm.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
CC: Rob Herring <robh+dt@kernel.org>
CC: Catalin Marinas <catalin.marinas@arm.com>
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