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Currently, PowerPC PowerNV platform utilizes ppc_md.pcibios_fixup(),
which is called for once after PCI probing and resource assignment
are completed, to allocate platform required resources for PCI devices:
PE#, IO and MMIO mapping, DMA address translation (TCE) table etc.
Obviously, it's not hotplug friendly.
This adds weak function pcibios_setup_bridge(), which is called by
pci_setup_bridge(). PowerPC PowerNV platform will reuse the function
to assign above platform required resources to newly plugged PCI devices
during PCI hotplug in subsequent patches.
Signed-off-by: Gavin Shan <gwshan@linux.vnet.ibm.com>
Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
d366d28cd1