[PATCH 02/10] ppc: sam460ex: do not use usb_bus_find()

[Paolo Bonzini <pbonzini@redhat.com>]

usb_bus_find() is always used with argument -1; it can be replaced with
a search of the single USB bus on the machine.

Suggested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/ppc/sam460ex.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/hw/ppc/sam460ex.c b/hw/ppc/sam460ex.c
index 1e615b8d355..4d5655ab6b4 100644
--- a/hw/ppc/sam460ex.c
+++ b/hw/ppc/sam460ex.c
@@ -273,6 +273,7 @@ static void sam460ex_init(MachineState *machine)
     DeviceState *uic[4];
     int i;
     PCIBus *pci_bus;
+    USBBus *usb_bus;
     PowerPCCPU *cpu;
     CPUPPCState *env;
     I2CBus *i2c;
@@ -420,8 +421,9 @@ static void sam460ex_init(MachineState *machine)
     sysbus_realize_and_unref(sbdev, &error_fatal);
     sysbus_mmio_map(sbdev, 0, 0x4bffd0000);
     sysbus_connect_irq(sbdev, 0, qdev_get_gpio_in(uic[2], 30));
-    usb_create_simple(usb_bus_find(-1), "usb-kbd");
-    usb_create_simple(usb_bus_find(-1), "usb-mouse");
+    usb_bus = USB_BUS(object_resolve_type_unambiguous(TYPE_USB_BUS, &error_abort));
+    usb_create_simple(usb_bus, "usb-kbd");
+    usb_create_simple(usb_bus, "usb-mouse");
 
     /* PCIe buses */
     dev = qdev_new(TYPE_PPC460EX_PCIE_HOST);
-- 
2.43.0