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path: root/drivers/pci/bus.c
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Diffstat (limited to 'drivers/pci/bus.c')
-rw-r--r--drivers/pci/bus.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 118c77778d2..68f91a25259 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -184,8 +184,10 @@ void pci_enable_bridges(struct pci_bus *bus)
list_for_each_entry(dev, &bus->devices, bus_list) {
if (dev->subordinate) {
- retval = pci_enable_device(dev);
- pci_set_master(dev);
+ if (atomic_read(&dev->enable_cnt) == 0) {
+ retval = pci_enable_device(dev);
+ pci_set_master(dev);
+ }
pci_enable_bridges(dev->subordinate);
}
}