pckbc_ebus_attach
static void pckbc_ebus_attach(device_t, device_t, void *);
pckbc_ebus_match, pckbc_ebus_attach, NULL, NULL);
static void pckbc_ebus_attach(device_t, device_t, void *);
pckbc_ebus_match, pckbc_ebus_attach, NULL, NULL);