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acpiphp: disable bridges

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Currently acpiphp calls pci_enable_device() against all
hot-added bridges, but acpiphp does not call pci_disable_device()
against them in hot-remove. So ioapic hot-remove would fail.
This patch fixes this issue.

Signed-off-by: Kenji Kaneshige <kaneshige.kenji@jp.fujitsu.com>
Signed-off-by: MUNEDA Takahiro <muneda.takahiro@jp.fujitsu.com>
Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Satoru Takeuchi 2006-09-12 10:19:00 -07:00 committed by Greg Kroah-Hartman
parent 0dad3510ee
commit d5cdb67236
1 changed files with 16 additions and 1 deletions
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17
drivers/pci/hotplug/acpiphp_glue.c
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@ -1105,6 +1105,16 @@ static int enable_device(struct acpiphp_slot *slot)
return retval;
}
static void disable_bridges(struct pci_bus *bus)
{
struct pci_dev *dev;
list_for_each_entry(dev, &bus->devices, bus_list) {
if (dev->subordinate) {
disable_bridges(dev->subordinate);
pci_disable_device(dev);
}
}
}
/**
* disable_device - disable a slot
@ -1129,8 +1139,13 @@ static int disable_device(struct acpiphp_slot *slot)
func->bridge = NULL;
}
if (func->pci_dev)
if (func->pci_dev) {
pci_stop_bus_device(func->pci_dev);
if (func->pci_dev->subordinate) {
disable_bridges(func->pci_dev->subordinate);
pci_disable_device(func->pci_dev);
}
}
acpiphp_bus_trim(func->handle);
/* try to remove anyway.