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PCI: Delay enabling bridges until they're needed

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We currently enable PCI bridges after scanning a bus and assigning
resources.  This is often done in arch code.

This patch changes this so we don't enable a bridge until necessary, i.e.,
until we enable a PCI device behind the bridge.  We do this in the generic
pci_enable_device() path, so this also removes the arch-specific code to
enable bridges.

[bhelgaas: changelog]
Signed-off-by: Yinghai Lu <[email protected]>
Signed-off-by: Bjorn Helgaas <[email protected]>
This commit is contained in:
Yinghai Lu 2013-07-22 14:37:17 -07:00 • committed by Bjorn Helgaas
commit 928bea9648
13 changed files with 23 additions and 42 deletions
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1
drivers/pcmcia/cardbus.c
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@ -91,7 +91,6 @@ int __ref cb_alloc(struct pcmcia_socket *s)
if (s->tune_bridge)
s->tune_bridge(s, bus);
pci_enable_bridges(bus);
pci_bus_add_devices(bus);
return 0;