Messages in this thread | | | Date | Mon, 8 Sep 2014 15:03:21 +0100 | From | Catalin Marinas <> | Subject | Re: [PATCH v10 06/10] PCI: Introduce generic domain handling for PCI busses. |
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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@google.com> > Cc: Arnd Bergmann <arnd@arndb.de> > Signed-off-by: Catalin Marinas <Catalin.Marinas@arm.com> > [Renamed pci_set_domain_nr() to pci_bus_assign_domain_nr()] > Signed-off-by: Liviu Dudau <Liviu.Dudau@arm.com>
I'm probably the author here, but the patch log doesn't say so (I don't mind, just a remark).
-- Catalin
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