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powerpc/PCI: register busn_res for root buses

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Add the host bridge bus number aperture to the resource list.
Like the MMIO and I/O port apertures, this is used when assigning
resources to hot-added devices or in the case of conflicts.

[bhelgaas: changelog]
CC: Paul Mackerras <paulus@samba.org>
CC: linuxppc-dev@lists.ozlabs.org
CC: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
This commit is contained in:
Yinghai Lu
2012-05-17 18:51:12 -07:00
committed by Bjorn Helgaas
parent 3f1b540d46
commit be8e60d8be
3 changed files with 13 additions and 7 deletions
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arch/powerpc/include/asm/pci-bridge.h
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@@ -30,6 +30,7 @@ struct pci_controller {
int first_busno;
int last_busno;
int self_busno;
struct resource busn;
void __iomem *io_base_virt;
#ifdef CONFIG_PPC64