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H A Dohci-hcd.cb748b24fb504b4da630c6464d6704ae7758f3732 Tue Oct 20 16:39:29 UTC 2015 Hans de Goede <hdegoede@redhat.com> 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>