ohci: Add missing cache-flush for hcca area

We need to cache-flush the hcca area after the initial memset, otherwise
on the first hc_interrupt we might see an old $random value as done_head and
try to interpret that as the address for a completed td (followed by chaos).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
1 file changed