Hans Petter Selasky b0a5e05f62 We don't need to call EOWRITE4(sc, EHCI_USBINTR, 0) directly from each EHCI
bus driver at detach, hence ehci_detach() does exactly this since r199718.

Submitted by:	Luiz Otavio O Souza
MFC after:	7 days
Approved by:	thompsa (mentor)
2011-04-12 07:49:11 +00:00
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