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| author | Yinghai Lu <yinghai@kernel.org> | 2012-11-03 21:39:31 -0700 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2013-01-07 15:58:48 -0700 |
| commit | 3c449ed0075994b3f3371f8254560428ba787efc (patch) | |
| tree | d4ed374d484cc1818c47b66fb71c1955ee277ae9 /drivers/pci | |
| parent | b95168e010a405add13aa010d7c45b55dc4026c7 (diff) | |
| download | lwn-3c449ed0075994b3f3371f8254560428ba787efc.tar.gz lwn-3c449ed0075994b3f3371f8254560428ba787efc.zip | |
PCI/ACPI: Reserve firmware-allocated resources for hot-added root buses
Firmware may have assigned PCI BARs for hot-added devices, so reserve
those resources before trying to allocate more.
[bhelgaas: move empty weak definition here]
Signed-off-by: Yinghai Lu <yinghai@kernel.org>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/bus.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c index ad6a8b635692..847f3ca47bb8 100644 --- a/drivers/pci/bus.c +++ b/drivers/pci/bus.c @@ -158,6 +158,8 @@ pci_bus_alloc_resource(struct pci_bus *bus, struct resource *res, return ret; } +void __weak pcibios_resource_survey_bus(struct pci_bus *bus) { } + /** * pci_bus_add_device - add a single device * @dev: device to add |