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pci: Eliminate pci_find_primary_bus()

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pci_find_primary_bus() only has one user, in pc_xen_hvm_init().  That's
inside the machine construction code, so it already has easy access to the
machine's primary PCI bus.

Get it directly, and thereby remove pci_find_primary_bus().  This removes
one of only a handful of users of the ugly pci_host_bridges global.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Marcel Apfelbaum <marcel@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
This commit is contained in:
David Gibson 2017-11-29 19:46:28 +11:00 • committed by Michael S. Tsirkin
parent fd56e0612b
commit e492dc5a26
3 changed files with 2 additions and 23 deletions
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1
include/hw/pci/pci.h
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@ -467,7 +467,6 @@ void pci_for_each_bus(PCIBus *bus,
pci_for_each_bus_depth_first(bus, NULL, fn, opaque);
}
PCIBus *pci_find_primary_bus(void);
PCIBus *pci_device_root_bus(const PCIDevice *d);
const char *pci_root_bus_path(PCIDevice *dev);
PCIDevice *pci_find_device(PCIBus *bus, int bus_num, uint8_t devfn);