On Mon, 02 Nov 2026 09:22:08 +0000, Jamin Lin <[email protected]> wrote: > Add auto-hub and leave it off. hw_compat_11_1 turns it on, so an older > machine type keeps the hub it has today and a guest saved by an older > QEMU still loads. > > A companion UHCI adds its ports to the EHCI bus instead of making one, > so there the EHCI property decides. Both property lists still define > auto-hub, because hw_compat_11_1 names pci-uhci-usb, and QEMU stops > when a global names a property the device does not have. > > [...]
Reviewed-by: Marc-André Lureau <[email protected]> -- Marc-André Lureau <[email protected]>
