diff options
| author |   Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com> | 2006-09-12 10:19:00 -0700 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@suse.de> | 2006-09-26 17:43:54 -0700 |
| commit | d5cdb67236dba94496de052c9f9f431e1fc658f4 (patch) | |
| tree | 7aad7540e86bfd339766c02aba2536c138bd8649 /drivers/pci | |
| parent | acpiphp: stop bus device before acpi_bus_trim (diff) | |
| download | linux-dev-d5cdb67236dba94496de052c9f9f431e1fc658f4.tar.xz linux-dev-d5cdb67236dba94496de052c9f9f431e1fc658f4.zip | |
acpiphp: disable bridges
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>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/hotplug/acpiphp_glue.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c index d36732cd4bad..712f02fb1cbb 100644 --- a/drivers/pci/hotplug/acpiphp_glue.c +++ b/drivers/pci/hotplug/acpiphp_glue.c @@ -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. |