[PATCH v10 06/10] PCI: Introduce generic domain handling for PCI busses.

[Catalin Marinas]

On Mon, Sep 08, 2014 at 02:54:28PM +0100, Liviu Dudau wrote:
> The handling of PCI domains (or PCI segments in ACPI speak) is
> usually a straightforward affair but its implementation is
> currently left to the architectural code, with pci_domain_nr(b)
> querying the value of the domain associated with bus b.
> 
> This patch introduces CONFIG_PCI_DOMAINS_GENERIC as an
> option that can be selected if an architecture want a
> simple implementation where the value of the domain
> associated with a bus is stored in struct pci_bus.
> 
> The architectures that select CONFIG_PCI_DOMAINS_GENERIC will
> then have to implement pci_bus_assign_domain_nr() as a way
> of setting the domain number associated with a root bus.
> All child busses except the root bus will inherit the domain_nr
> value from their parent.
> 
> Cc: Bjorn Helgaas <bhelgaas at google.com>
> Cc: Arnd Bergmann <arnd at arndb.de>
> Signed-off-by: Catalin Marinas <Catalin.Marinas at arm.com>
> [Renamed pci_set_domain_nr() to pci_bus_assign_domain_nr()]
> Signed-off-by: Liviu Dudau <Liviu.Dudau at arm.com>

I'm probably the author here, but the patch log doesn't say so (I don't
mind, just a remark).

-- 
Catalin