PCI: shpchp: Request SHPC control via _OSC when adding host bridge
The SHPC driver now must be builtin (it cannot be a module). If it is
present, request SHPC control immediately when adding the ACPI host bridge.
This is similar to how we handle native PCIe hotplug via pciehp.
Suggested-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Mika Westerberg <mika.westerberg@linux.intel.com>
[bhelgaas: split to separate patch]
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
diff --git a/include/linux/pci.h b/include/linux/pci.h
index 3f00900..a4968cd 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -475,6 +475,7 @@ struct pci_host_bridge {
unsigned int no_ext_tags:1; /* No Extended Tags */
unsigned int native_aer:1; /* OS may use PCIe AER */
unsigned int native_pcie_hotplug:1; /* OS may use PCIe hotplug */
+ unsigned int native_shpc_hotplug:1; /* OS may use SHPC hotplug */
unsigned int native_pme:1; /* OS may use PCIe PME */
/* Resource alignment requirements */
resource_size_t (*align_resource)(struct pci_dev *dev,