zd_usb_to_chip
return zd_chip_to_mac(zd_usb_to_chip(usb));
ZD_ASSERT(mutex_is_locked(&zd_usb_to_chip(usb)->mutex));
ZD_ASSERT(mutex_is_locked(&zd_usb_to_chip(usb)->mutex));
ZD_ASSERT(mutex_is_locked(&zd_usb_to_chip(usb)->mutex));
ZD_ASSERT(mutex_is_locked(&zd_usb_to_chip(usb)->mutex));
ZD_ASSERT(mutex_is_locked(&zd_usb_to_chip(usb)->mutex));