doc: make clearer what usb2 and usb3 means to --controller

Closes: https://bugzilla.redhat.com/show_bug.cgi?id=1204895

Signed-off-by: Giuseppe Scrivano <gscrivan@redhat.com>
This commit is contained in:
Giuseppe Scrivano 2015-04-10 12:43:01 +02:00
parent 549c93be5f
commit 1f6faa33dc

View File

@ -951,7 +951,9 @@ This deprecates the --accelerate option, which is now the default behavior. To i
Attach a controller device to the guest. TYPE is one of:
B<ide>, B<fdc>, B<scsi>, B<sata>, B<virtio-serial>, or B<usb>.
Controller also supports the special values B<usb2> and B<usb3>.
Controller also supports the special values B<usb2> and B<usb3> to
specify which version of the USB controller should be used (version 2
or 3).
=over 4