The sub device "RP0" under PCI0 in ACPI/DSDT does not contain any method or property other than "_ADR", so it is safe to remove it.
Signed-off-by: Heyi Guo <guoh...@huawei.com> Acked-by: "Michael S. Tsirkin" <m...@redhat.com> --- Cc: Peter Maydell <peter.mayd...@linaro.org> Cc: "Michael S. Tsirkin" <m...@redhat.com> Cc: Igor Mammedov <imamm...@redhat.com> Cc: Shannon Zhao <shannon.zha...@gmail.com> Cc: qemu-...@nongnu.org Cc: qemu-devel@nongnu.org --- hw/arm/virt-acpi-build.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c index bd5f771e9b..9f4c7d1889 100644 --- a/hw/arm/virt-acpi-build.c +++ b/hw/arm/virt-acpi-build.c @@ -317,10 +317,6 @@ static void acpi_dsdt_add_pci(Aml *scope, const MemMapEntry *memmap, aml_append(method, aml_return(buf)); aml_append(dev, method); - Aml *dev_rp0 = aml_device("%s", "RP0"); - aml_append(dev_rp0, aml_name_decl("_ADR", aml_int(0))); - aml_append(dev, dev_rp0); - Aml *dev_res0 = aml_device("%s", "RES0"); aml_append(dev_res0, aml_name_decl("_HID", aml_string("PNP0C02"))); crs = aml_resource_template(); -- 2.19.1