From: Marcel Apfelbaum Date: Thu, 27 Mar 2014 15:35:36 +0000 (+0200) Subject: acpi: fix ACPI generation for pci bridges X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=b89834f4d79070a26536cb73fe5216a2364551eb;p=qemu.git acpi: fix ACPI generation for pci bridges Commit 8dcf525abc5dff785251a881f9764dd961065c0d acpi-build: append description for non-hotplug appended description for all occupied non hotpluggable PCI slots. However the bridge devices are already added to SSDT, adding them again will create an incorrect SSDT table. Fixed by skipping the pci bridge devices, marking them as 'system'. Signed-off-by: Marcel Apfelbaum Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c index 7597517b97..90ef95cccf 100644 --- a/hw/i386/acpi-build.c +++ b/hw/i386/acpi-build.c @@ -841,7 +841,7 @@ static void build_pci_bus_end(PCIBus *bus, void *bus_state) pc = PCI_DEVICE_GET_CLASS(pdev); dc = DEVICE_GET_CLASS(pdev); - if (pc->class_id == PCI_CLASS_BRIDGE_ISA) { + if (pc->class_id == PCI_CLASS_BRIDGE_ISA || pc->is_bridge) { set_bit(slot, slot_device_system); } @@ -882,7 +882,7 @@ static void build_pci_bus_end(PCIBus *bus, void *bus_state) memcpy(pcihp, ACPI_PCIVGA_AML, ACPI_PCIVGA_SIZEOF); patch_pcivga(i, pcihp); } else if (system) { - /* Nothing to do: system devices are in DSDT. */ + /* Nothing to do: system devices are in DSDT or in SSDT above. */ } else if (present) { void *pcihp = acpi_data_push(bus_table, ACPI_PCINOHP_SIZEOF);