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hw/mips: Improve the default USB settings in the loongson3-virt machine

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It's possible to compile QEMU without the USB devices (e.g. when using
"--without-default-devices" as option for the "configure" script).
To be still able to run the loongson3-virt machine in default mode with
such a QEMU binary, we have to check here for the availability of the
OHCI controller first before instantiating the USB devices.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20230714104903.284845-1-thuth@redhat.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
This commit is contained in:
Thomas Huth 2023-07-14 12:49:03 +02:00 committed by Philippe Mathieu-Daudé
parent 3b83079015
commit 5fc1a68660
1 changed files with 1 additions and 1 deletions
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hw/mips/loongson3_virt.c
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@ -447,7 +447,7 @@ static inline void loongson3_virt_devices_init(MachineState *machine,
pci_vga_init(pci_bus);
if (defaults_enabled()) {
if (defaults_enabled() && object_class_by_name("pci-ohci")) {
pci_create_simple(pci_bus, -1, "pci-ohci");
usb_create_simple(usb_bus_find(-1), "usb-kbd");
usb_create_simple(usb_bus_find(-1), "usb-tablet");