Function bcm_mips_fini_cpuirq

freebsd/mips/broadcom/bcm_mips.c:232–278

* Free any resources associated with the given @p cpuirq state. * * @param sc BHND MIPS driver instance state. * @param cpuirq A CPU IRQ instance previously successfully initialized * via bcm_mips_init_cpuirq(). * * @retval 0 success * @retval non-zero if finalizing @p cpuirq otherwise fails, a regular * unix error code will be returned. */

 *			unix error code will be returned.
 */
static int
bcm_mips_fini_cpuirq(struct bcm_mips_softc *sc, struct bcm_mips_cpuirq *cpuirq)
{
	int error;

	BCM_MIPS_LOCK(sc);

	if (cpuirq->sc == NULL) {
		KASSERT(cpuirq->irq_res == NULL, ("leaking cpuirq resource"));

		BCM_MIPS_UNLOCK(sc);
		return (0);	/* not initialized */
	}

	if (cpuirq->refs != 0) {
		BCM_MIPS_UNLOCK(sc);
		return (EBUSY);
	}

	if (cpuirq->irq_cookie != NULL) {
		KASSERT(cpuirq->irq_res != NULL, ("resource missing"));

		error = bus_teardown_intr(sc->dev, cpuirq->irq_res,
			cpuirq->irq_cookie);
		if (error) {
			BCM_MIPS_UNLOCK(sc);
			return (error);
		}

		cpuirq->irq_cookie = NULL;
	}

	if (cpuirq->irq_res != NULL) {
		bus_release_resource(sc->dev, SYS_RES_IRQ, cpuirq->irq_rid,
		    cpuirq->irq_res);
		cpuirq->irq_res = NULL;
	}

	if (cpuirq->irq_rid != -1) {
		bus_delete_resource(sc->dev, SYS_RES_IRQ, cpuirq->irq_rid);
		cpuirq->irq_rid = -1;
	}

	BCM_MIPS_UNLOCK(sc);

	return (0);
}

static int
bcm_mips_attach_default(device_t dev)