[Qemu-devel] [PATCH] hw/pxb-pcie: fix PCI Express hotplug support

[Marcel Apfelbaum]

Add the missing osc method for pxb-pcie devices

Signed-off-by: Marcel Apfelbaum <mar...@redhat.com>
---

Note: The patch is based on the fact that Q35's osc method is quite generic.

Thanks,
Marcel

 hw/i386/acpi-build.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
index 1c928ab..555aab3 100644
--- a/hw/i386/acpi-build.c
+++ b/hw/i386/acpi-build.c
@@ -1964,6 +1964,11 @@ build_dsdt(GArray *table_data, BIOSLinker *linker,
             aml_append(dev, aml_name_decl("_UID", aml_int(bus_num)));
             aml_append(dev, aml_name_decl("_HID", aml_eisaid("PNP0A03")));
             aml_append(dev, aml_name_decl("_BBN", aml_int(bus_num)));
+            if (pci_bus_is_express(bus)) {
+                aml_append(dev, aml_name_decl("SUPP", aml_int(0)));
+                aml_append(dev, aml_name_decl("CTRL", aml_int(0)));
+                aml_append(dev, build_q35_osc_method());
+            }
 
             if (numa_node != NUMA_NODE_UNASSIGNED) {
                 aml_append(dev, aml_name_decl("_PXM", aml_int(numa_node)));
-- 
2.5.5