diff options
| author | Kristen Carlson Accardi <kristen.c.accardi@intel.com> | 2007-08-09 16:09:31 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-10-12 15:03:14 -0700 |
| commit | 1cf53d5ddb93b77ce1e277da85fe695e4c2a667d (patch) | |
| tree | c7db79ee80550c66f7bdc3cf4c9111bbff577a93 /drivers/pci/hotplug/pciehp_pci.c | |
| parent | 89913bf77a60fdb6ff204a670d3e191848a7b2c8 (diff) | |
| download | linux-1cf53d5ddb93b77ce1e277da85fe695e4c2a667d.tar.bz2 | |
PCI Hotplug: pciehp: Dont check bridge control on remove
When removing a device with a bridge on it, only read the
bridge control register if the adapter is actually present.
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/hotplug/pciehp_pci.c')
| -rw-r--r-- | drivers/pci/hotplug/pciehp_pci.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c index 854aaea09e4d..8f2b25c49f84 100644 --- a/drivers/pci/hotplug/pciehp_pci.c +++ b/drivers/pci/hotplug/pciehp_pci.c @@ -243,9 +243,10 @@ int pciehp_configure_device(struct slot *p_slot) int pciehp_unconfigure_device(struct slot *p_slot) { - int rc = 0; + int ret, rc = 0; int j; u8 bctl = 0; + u8 presence = 0; struct pci_bus *parent = p_slot->ctrl->pci_dev->subordinate; dbg("%s: bus/dev = %x/%x\n", __FUNCTION__, p_slot->bus, @@ -263,12 +264,17 @@ int pciehp_unconfigure_device(struct slot *p_slot) continue; } if (temp->hdr_type == PCI_HEADER_TYPE_BRIDGE) { - pci_read_config_byte(temp, PCI_BRIDGE_CONTROL, &bctl); - if (bctl & PCI_BRIDGE_CTL_VGA) { - err("Cannot remove display device %s\n", + ret = p_slot->hpc_ops->get_adapter_status(p_slot, + &presence); + if (!ret && presence) { + pci_read_config_byte(temp, PCI_BRIDGE_CONTROL, + &bctl); + if (bctl & PCI_BRIDGE_CTL_VGA) { + err("Cannot remove display device %s\n", pci_name(temp)); - pci_dev_put(temp); - continue; + pci_dev_put(temp); + continue; + } } } pci_remove_bus_device(temp); |