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path: root/drivers/pci/hotplug/acpiphp_glue.c
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Diffstat (limited to 'drivers/pci/hotplug/acpiphp_glue.c')
-rw-r--r--drivers/pci/hotplug/acpiphp_glue.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index fce1c54a0c8d..9ddf69e3bbef 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -132,6 +132,18 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
if (!acpi_pci_check_ejectable(pbus, handle) && !is_dock_device(handle))
return AE_OK;
+ pdev = pbus->self;
+ if (pdev && pci_is_pcie(pdev)) {
+ tmp = acpi_find_root_bridge_handle(pdev);
+ if (tmp) {
+ struct acpi_pci_root *root = acpi_pci_find_root(tmp);
+
+ if (root && (root->osc_control_set &
+ OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
+ return AE_OK;
+ }
+ }
+
acpi_evaluate_integer(handle, "_ADR", NULL, &adr);
device = (adr >> 16) & 0xffff;
function = adr & 0xffff;
@@ -213,7 +225,6 @@ register_slot(acpi_handle handle, u32 lvl, void *context, void **rv)
pdev = pci_get_slot(pbus, PCI_DEVFN(device, function));
if (pdev) {
- pdev->current_state = PCI_D0;
slot->flags |= (SLOT_ENABLED | SLOT_POWEREDON);
pci_dev_put(pdev);
}
@@ -459,17 +470,8 @@ static int add_bridge(acpi_handle handle)
{
acpi_status status;
unsigned long long tmp;
- struct acpi_pci_root *root;
acpi_handle dummy_handle;
- /*
- * We shouldn't use this bridge if PCIe native hotplug control has been
- * granted by the BIOS for it.
- */
- root = acpi_pci_find_root(handle);
- if (root && (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL))
- return -ENODEV;
-
/* if the bridge doesn't have _STA, we assume it is always there */
status = acpi_get_handle(handle, "_STA", &dummy_handle);
if (ACPI_SUCCESS(status)) {
@@ -1385,19 +1387,11 @@ static void handle_hotplug_event_func(acpi_handle handle, u32 type,
static acpi_status
find_root_bridges(acpi_handle handle, u32 lvl, void *context, void **rv)
{
- struct acpi_pci_root *root;
int *count = (int *)context;
if (!acpi_is_root_bridge(handle))
return AE_OK;
- root = acpi_pci_find_root(handle);
- if (!root)
- return AE_OK;
-
- if (root->osc_control_set & OSC_PCI_EXPRESS_NATIVE_HP_CONTROL)
- return AE_OK;
-
(*count)++;
acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
handle_hotplug_event_bridge, NULL);