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authorPaul Mundt <lethal@linux-sh.org>2009-04-02 11:17:41 +0900
committerPaul Mundt <lethal@linux-sh.org>2009-04-02 11:17:41 +0900
commitc4361bb64b81f5b81a7a08d58654493385a2f2b2 (patch)
tree8741c0b60ddfbc3fc4e17c8d200f6aa6ff32cca0 /drivers/pci/bus.c
parent46368fa05164e1afdc1401294908cf30c6d8d981 (diff)
parent833bb3046b6cb320e775ea2160ddca87d53260d5 (diff)
downloadop-kernel-dev-c4361bb64b81f5b81a7a08d58654493385a2f2b2.zip
op-kernel-dev-c4361bb64b81f5b81a7a08d58654493385a2f2b2.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/pci/bus.c')
-rw-r--r--drivers/pci/bus.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 52b54f0..68f91a2 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -133,7 +133,7 @@ int pci_bus_add_child(struct pci_bus *bus)
*
* Call hotplug for each new devices.
*/
-void pci_bus_add_devices(struct pci_bus *bus)
+void pci_bus_add_devices(const struct pci_bus *bus)
{
struct pci_dev *dev;
struct pci_bus *child;
@@ -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);
}
}
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