Differential D25609 Diff 74272 sys/arm/broadcom/bcm2835/bcm2835_mbox.c

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sys/arm/broadcom/bcm2835/bcm2835_mbox.c

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	static int			static int
	bcm_mbox_attach(device_t dev)			bcm_mbox_attach(device_t dev)
	{			{
	struct bcm_mbox_softc *sc = device_get_softc(dev);			struct bcm_mbox_softc *sc = device_get_softc(dev);
	int i;			int i;
	int rid = 0;			int rid = 0;

	sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid, RF_ACTIVE);			sc->mem_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY, &rid,
				RF_ACTIVE \| RF_SHAREABLE);
	if (sc->mem_res == NULL) {			if (sc->mem_res == NULL) {
	device_printf(dev, "could not allocate memory resource\n");			device_printf(dev, "could not allocate memory resource\n");
	return (ENXIO);			return (ENXIO);
	}			}

	sc->bst = rman_get_bustag(sc->mem_res);			sc->bst = rman_get_bustag(sc->mem_res);
	sc->bsh = rman_get_bushandle(sc->mem_res);			sc->bsh = rman_get_bushandle(sc->mem_res);

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	static driver_t bcm_mbox_driver = {			static driver_t bcm_mbox_driver = {
	"mbox",			"mbox",
	bcm_mbox_methods,			bcm_mbox_methods,
	sizeof(struct bcm_mbox_softc),			sizeof(struct bcm_mbox_softc),
	};			};

	static devclass_t bcm_mbox_devclass;			static devclass_t bcm_mbox_devclass;

	DRIVER_MODULE(mbox, simplebus, bcm_mbox_driver, bcm_mbox_devclass, 0, 0);			EARLY_DRIVER_MODULE(mbox, simplebus, bcm_mbox_driver, bcm_mbox_devclass, 0, 0,
				BUS_PASS_INTERRUPT + BUS_PASS_ORDER_LAST);

	static void			static void
	bcm2835_mbox_dma_cb(void arg, bus_dma_segment_t segs, int nseg, int err)			bcm2835_mbox_dma_cb(void arg, bus_dma_segment_t segs, int nseg, int err)
	{			{
	bus_addr_t *addr;			bus_addr_t *addr;

	if (err)			if (err)
	return;			return;
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