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path: root/drivers/pci/hotplug/pciehp_pci.c
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Diffstat (limited to 'drivers/pci/hotplug/pciehp_pci.c')
-rw-r--r--drivers/pci/hotplug/pciehp_pci.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/drivers/pci/hotplug/pciehp_pci.c b/drivers/pci/hotplug/pciehp_pci.c
index 854aaea09e4d..c424aded13fb 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,
@@ -263,23 +264,28 @@ 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);
pci_dev_put(temp);
}
- /*
+ /*
* Some PCI Express root ports require fixup after hot-plug operation.
*/
- if (pcie_mch_quirk)
+ if (pcie_mch_quirk)
pci_fixup_device(pci_fixup_final, p_slot->ctrl->pci_dev);
-
+
return rc;
}