@@ -223,6 +223,7 @@ static void machine_set_usb(Object *obj, bool value, Error **errp)
MachineState *ms = MACHINE(obj);
ms->usb = value;
+ ms->usb_disabled = !value;
}
static char *machine_get_firmware(Object *obj, Error **errp)
@@ -371,7 +371,7 @@ static void ppc_core99_init(MachineState *machine)
/* 970 gets a U3 bus */
pci_bus = pci_pmac_u3_init(pic, get_system_memory(), get_system_io());
machine_arch = ARCH_MAC99_U3;
- machine->usb |= defaults_enabled();
+ machine->usb |= defaults_enabled() && !machine->usb_disabled;
} else {
pci_bus = pci_pmac_init(pic, get_system_memory(), get_system_io());
machine_arch = ARCH_MAC99;
@@ -1580,7 +1580,7 @@ static void ppc_spapr_init(MachineState *machine)
/* Graphics */
if (spapr_vga_init(phb->bus)) {
spapr->has_graphics = true;
- machine->usb |= defaults_enabled();
+ machine->usb |= defaults_enabled() && !machine->usb_disabled;
}
if (machine->usb) {
@@ -146,6 +146,7 @@ struct MachineState {
bool dump_guest_core;
bool mem_merge;
bool usb;
+ bool usb_disabled;
char *firmware;
bool iommu;
bool suppress_vmdesc;