Attachment 165548 Details for Bug 206229 – Move Atmel's USB OHCI controller FDT driver

[patch] Move Atmel's USB OHCI controller FDT driver

move_at91_ohci_fdt.diff (text/plain), 15.64 KB, created by Stanislav Galabov on 2016-01-14 08:39:29 UTC

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Creator: Stanislav Galabov

Created: 2016-01-14 08:39:29 UTC

Size: 15.64 KB

patch

obsolete

>diff --git a/sys/arm/at91/files.at91 b/sys/arm/at91/files.at91
>index 84056a4..ee54229 100644
>--- a/sys/arm/at91/files.at91
>+++ b/sys/arm/at91/files.at91
>@@ -62,4 +62,4 @@ dev/usb/controller/at91dci.c		optional	at91_dci
> dev/usb/controller/at91dci_atmelarm.c	optional	at91_dci !fdt
> dev/usb/controller/ohci_atmelarm.c	optional	ohci !fdt
> dev/usb/controller/at91dci_fdt.c	optional	at91_dci fdt
>-dev/usb/controller/ohci_fdt.c		optional	ohci fdt
>+dev/usb/controller/at91ohci_fdt.c	optional	ohci fdt
>diff --git a/sys/dev/usb/controller/at91ohci_fdt.c b/sys/dev/usb/controller/at91ohci_fdt.c
>new file mode 100644
>index 0000000..de3d357
>--- /dev/null
>+++ b/sys/dev/usb/controller/at91ohci_fdt.c
>@@ -0,0 +1,251 @@
>+/*-
>+ * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
>+ *
>+ * Redistribution and use in source and binary forms, with or without
>+ * modification, are permitted provided that the following conditions
>+ * are met:
>+ * 1. Redistributions of source code must retain the above copyright
>+ *    notice, this list of conditions and the following disclaimer.
>+ * 2. Redistributions in binary form must reproduce the above copyright
>+ *    notice, this list of conditions and the following disclaimer in the
>+ *    documentation and/or other materials provided with the distribution.
>+ *
>+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
>+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
>+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
>+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
>+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
>+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
>+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
>+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
>+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
>+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>+ */
>+
>+#include <sys/cdefs.h>
>+__FBSDID("$FreeBSD$");
>+
>+#include <sys/stdint.h>
>+#include <sys/stddef.h>
>+#include <sys/param.h>
>+#include <sys/queue.h>
>+#include <sys/types.h>
>+#include <sys/systm.h>
>+#include <sys/kernel.h>
>+#include <sys/bus.h>
>+#include <sys/module.h>
>+#include <sys/lock.h>
>+#include <sys/mutex.h>
>+#include <sys/condvar.h>
>+#include <sys/sysctl.h>
>+#include <sys/sx.h>
>+#include <sys/unistd.h>
>+#include <sys/callout.h>
>+#include <sys/malloc.h>
>+#include <sys/priv.h>
>+
>+#include <dev/usb/usb.h>
>+#include <dev/usb/usbdi.h>
>+
>+#include <dev/usb/usb_core.h>
>+#include <dev/usb/usb_busdma.h>
>+#include <dev/usb/usb_process.h>
>+#include <dev/usb/usb_util.h>
>+
>+#include <dev/usb/usb_controller.h>
>+#include <dev/usb/usb_bus.h>
>+#include <dev/usb/controller/ohci.h>
>+#include <dev/usb/controller/ohcireg.h>
>+
>+#include <sys/rman.h>
>+
>+#include <arm/at91/at91_pmcvar.h>
>+
>+#include <dev/fdt/fdt_common.h>
>+#include <dev/ofw/ofw_bus.h>
>+#include <dev/ofw/ofw_bus_subr.h>
>+
>+#define	MEM_RID	0
>+
>+static device_probe_t ohci_at91_fdt_probe;
>+static device_attach_t ohci_at91_fdt_attach;
>+static device_detach_t ohci_at91_fdt_detach;
>+
>+struct at91_ohci_softc {
>+	struct ohci_softc sc_ohci;	/* must be first */
>+	struct at91_pmc_clock *mclk;
>+	struct at91_pmc_clock *iclk;
>+	struct at91_pmc_clock *fclk;
>+};
>+
>+static int
>+ohci_at91_fdt_probe(device_t dev)
>+{
>+	if (!ofw_bus_is_compatible(dev, "atmel,at91rm9200-ohci"))
>+		return (ENXIO);
>+	device_set_desc(dev, "AT91 integrated OHCI controller");
>+
>+	return (BUS_PROBE_DEFAULT);
>+}
>+
>+static int
>+ohci_at91_fdt_attach(device_t dev)
>+{
>+	struct at91_ohci_softc *sc = device_get_softc(dev);
>+	int err;
>+	int rid;
>+
>+	/* initialise some bus fields */
>+	sc->sc_ohci.sc_bus.parent = dev;
>+	sc->sc_ohci.sc_bus.devices = sc->sc_ohci.sc_devices;
>+	sc->sc_ohci.sc_bus.devices_max = OHCI_MAX_DEVICES;
>+	sc->sc_ohci.sc_bus.dma_bits = 32;
>+
>+	/* get all DMA memory */
>+	if (usb_bus_mem_alloc_all(&sc->sc_ohci.sc_bus,
>+	    USB_GET_DMA_TAG(dev), &ohci_iterate_hw_softc)) {
>+		return (ENOMEM);
>+	}
>+	sc->mclk = at91_pmc_clock_ref("mck");
>+	sc->iclk = at91_pmc_clock_ref("ohci_clk");
>+	sc->fclk = at91_pmc_clock_ref("uhpck");
>+
>+	sc->sc_ohci.sc_dev = dev;
>+
>+	rid = MEM_RID;
>+	sc->sc_ohci.sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
>+	    &rid, RF_ACTIVE);
>+
>+	if (!(sc->sc_ohci.sc_io_res)) {
>+		err = ENOMEM;
>+		goto error;
>+	}
>+	sc->sc_ohci.sc_io_tag = rman_get_bustag(sc->sc_ohci.sc_io_res);
>+	sc->sc_ohci.sc_io_hdl = rman_get_bushandle(sc->sc_ohci.sc_io_res);
>+	sc->sc_ohci.sc_io_size = rman_get_size(sc->sc_ohci.sc_io_res);
>+
>+	rid = 0;
>+	sc->sc_ohci.sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
>+	    RF_ACTIVE);
>+	if (!(sc->sc_ohci.sc_irq_res)) {
>+		goto error;
>+	}
>+	sc->sc_ohci.sc_bus.bdev = device_add_child(dev, "usbus", -1);
>+	if (!(sc->sc_ohci.sc_bus.bdev)) {
>+		goto error;
>+	}
>+	device_set_ivars(sc->sc_ohci.sc_bus.bdev, &sc->sc_ohci.sc_bus);
>+
>+	strlcpy(sc->sc_ohci.sc_vendor, "Atmel", sizeof(sc->sc_ohci.sc_vendor));
>+
>+	err = bus_setup_intr(dev, sc->sc_ohci.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
>+	    NULL, (driver_intr_t *)ohci_interrupt, sc, &sc->sc_ohci.sc_intr_hdl);
>+	if (err) {
>+		sc->sc_ohci.sc_intr_hdl = NULL;
>+		goto error;
>+	}
>+	/*
>+	 * turn on the clocks from the AT91's point of view.  Keep the unit in reset.
>+	 */
>+	at91_pmc_clock_enable(sc->mclk);
>+	at91_pmc_clock_enable(sc->iclk);
>+	at91_pmc_clock_enable(sc->fclk);
>+	bus_space_write_4(sc->sc_ohci.sc_io_tag, sc->sc_ohci.sc_io_hdl,
>+	    OHCI_CONTROL, 0);
>+
>+	err = ohci_init(&sc->sc_ohci);
>+	if (!err) {
>+		err = device_probe_and_attach(sc->sc_ohci.sc_bus.bdev);
>+	}
>+	if (err) {
>+		goto error;
>+	}
>+	return (0);
>+
>+error:
>+	ohci_at91_fdt_detach(dev);
>+	return (ENXIO);
>+}
>+
>+static int
>+ohci_at91_fdt_detach(device_t dev)
>+{
>+	struct at91_ohci_softc *sc = device_get_softc(dev);
>+	device_t bdev;
>+	int err;
>+
>+	if (sc->sc_ohci.sc_bus.bdev) {
>+		bdev = sc->sc_ohci.sc_bus.bdev;
>+		device_detach(bdev);
>+		device_delete_child(dev, bdev);
>+	}
>+	/* during module unload there are lots of children leftover */
>+	device_delete_children(dev);
>+
>+	if (sc->sc_ohci.sc_io_res != NULL) {
>+		/*
>+		 * Put the controller into reset, then disable clocks and do
>+		 * the MI tear down.  We have to disable the clocks/hardware
>+		 * after we do the rest of the teardown.  We also disable the
>+		 * clocks in the opposite order we acquire them, but that
>+		 * doesn't seem to be absolutely necessary.  We free up the
>+		 * clocks after we disable them, so the system could, in
>+		 * theory, reuse them.
>+		 */
>+		bus_space_write_4(sc->sc_ohci.sc_io_tag, sc->sc_ohci.sc_io_hdl,
>+				  OHCI_CONTROL, 0);
>+
>+		at91_pmc_clock_disable(sc->fclk);
>+		at91_pmc_clock_disable(sc->iclk);
>+		at91_pmc_clock_disable(sc->mclk);
>+		at91_pmc_clock_deref(sc->fclk);
>+		at91_pmc_clock_deref(sc->iclk);
>+		at91_pmc_clock_deref(sc->mclk);
>+
>+		if (sc->sc_ohci.sc_irq_res && sc->sc_ohci.sc_intr_hdl) {
>+			/*
>+			 * only call ohci_detach() after ohci_init()
>+			 */
>+			ohci_detach(&sc->sc_ohci);
>+
>+			err = bus_teardown_intr(dev, sc->sc_ohci.sc_irq_res,
>+			    sc->sc_ohci.sc_intr_hdl);
>+			sc->sc_ohci.sc_intr_hdl = NULL;
>+		}
>+		if (sc->sc_ohci.sc_irq_res) {
>+			bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_ohci.sc_irq_res);
>+			sc->sc_ohci.sc_irq_res = NULL;
>+		}
>+		if (sc->sc_ohci.sc_io_res) {
>+			bus_release_resource(dev, SYS_RES_MEMORY, MEM_RID,
>+					     sc->sc_ohci.sc_io_res);
>+			sc->sc_ohci.sc_io_res = NULL;
>+		}
>+	}
>+	usb_bus_mem_free_all(&sc->sc_ohci.sc_bus, &ohci_iterate_hw_softc);
>+
>+	return (0);
>+}
>+
>+static device_method_t ohci_methods[] = {
>+	/* Device interface */
>+	DEVMETHOD(device_probe, ohci_at91_fdt_probe),
>+	DEVMETHOD(device_attach, ohci_at91_fdt_attach),
>+	DEVMETHOD(device_detach, ohci_at91_fdt_detach),
>+	DEVMETHOD(device_suspend, bus_generic_suspend),
>+	DEVMETHOD(device_resume, bus_generic_resume),
>+	DEVMETHOD(device_shutdown, bus_generic_shutdown),
>+
>+	DEVMETHOD_END
>+};
>+
>+static driver_t ohci_driver = {
>+	.name = "ohci",
>+	.methods = ohci_methods,
>+	.size = sizeof(struct at91_ohci_softc),
>+};
>+
>+static devclass_t ohci_devclass;
>+
>+DRIVER_MODULE(ohci, simplebus, ohci_driver, ohci_devclass, 0, 0);
>+MODULE_DEPEND(ohci, usb, 1, 1, 1);
>diff --git a/sys/dev/usb/controller/ohci_fdt.c b/sys/dev/usb/controller/ohci_fdt.c
>deleted file mode 100644
>index de3d357..0000000
>--- a/sys/dev/usb/controller/ohci_fdt.c
>+++ /dev/null
>@@ -1,251 +0,0 @@
>-/*-
>- * Copyright (c) 2006 M. Warner Losh.  All rights reserved.
>- *
>- * Redistribution and use in source and binary forms, with or without
>- * modification, are permitted provided that the following conditions
>- * are met:
>- * 1. Redistributions of source code must retain the above copyright
>- *    notice, this list of conditions and the following disclaimer.
>- * 2. Redistributions in binary form must reproduce the above copyright
>- *    notice, this list of conditions and the following disclaimer in the
>- *    documentation and/or other materials provided with the distribution.
>- *
>- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
>- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
>- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
>- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
>- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
>- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
>- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
>- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
>- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
>- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
>- */
>-
>-#include <sys/cdefs.h>
>-__FBSDID("$FreeBSD$");
>-
>-#include <sys/stdint.h>
>-#include <sys/stddef.h>
>-#include <sys/param.h>
>-#include <sys/queue.h>
>-#include <sys/types.h>
>-#include <sys/systm.h>
>-#include <sys/kernel.h>
>-#include <sys/bus.h>
>-#include <sys/module.h>
>-#include <sys/lock.h>
>-#include <sys/mutex.h>
>-#include <sys/condvar.h>
>-#include <sys/sysctl.h>
>-#include <sys/sx.h>
>-#include <sys/unistd.h>
>-#include <sys/callout.h>
>-#include <sys/malloc.h>
>-#include <sys/priv.h>
>-
>-#include <dev/usb/usb.h>
>-#include <dev/usb/usbdi.h>
>-
>-#include <dev/usb/usb_core.h>
>-#include <dev/usb/usb_busdma.h>
>-#include <dev/usb/usb_process.h>
>-#include <dev/usb/usb_util.h>
>-
>-#include <dev/usb/usb_controller.h>
>-#include <dev/usb/usb_bus.h>
>-#include <dev/usb/controller/ohci.h>
>-#include <dev/usb/controller/ohcireg.h>
>-
>-#include <sys/rman.h>
>-
>-#include <arm/at91/at91_pmcvar.h>
>-
>-#include <dev/fdt/fdt_common.h>
>-#include <dev/ofw/ofw_bus.h>
>-#include <dev/ofw/ofw_bus_subr.h>
>-
>-#define	MEM_RID	0
>-
>-static device_probe_t ohci_at91_fdt_probe;
>-static device_attach_t ohci_at91_fdt_attach;
>-static device_detach_t ohci_at91_fdt_detach;
>-
>-struct at91_ohci_softc {
>-	struct ohci_softc sc_ohci;	/* must be first */
>-	struct at91_pmc_clock *mclk;
>-	struct at91_pmc_clock *iclk;
>-	struct at91_pmc_clock *fclk;
>-};
>-
>-static int
>-ohci_at91_fdt_probe(device_t dev)
>-{
>-	if (!ofw_bus_is_compatible(dev, "atmel,at91rm9200-ohci"))
>-		return (ENXIO);
>-	device_set_desc(dev, "AT91 integrated OHCI controller");
>-
>-	return (BUS_PROBE_DEFAULT);
>-}
>-
>-static int
>-ohci_at91_fdt_attach(device_t dev)
>-{
>-	struct at91_ohci_softc *sc = device_get_softc(dev);
>-	int err;
>-	int rid;
>-
>-	/* initialise some bus fields */
>-	sc->sc_ohci.sc_bus.parent = dev;
>-	sc->sc_ohci.sc_bus.devices = sc->sc_ohci.sc_devices;
>-	sc->sc_ohci.sc_bus.devices_max = OHCI_MAX_DEVICES;
>-	sc->sc_ohci.sc_bus.dma_bits = 32;
>-
>-	/* get all DMA memory */
>-	if (usb_bus_mem_alloc_all(&sc->sc_ohci.sc_bus,
>-	    USB_GET_DMA_TAG(dev), &ohci_iterate_hw_softc)) {
>-		return (ENOMEM);
>-	}
>-	sc->mclk = at91_pmc_clock_ref("mck");
>-	sc->iclk = at91_pmc_clock_ref("ohci_clk");
>-	sc->fclk = at91_pmc_clock_ref("uhpck");
>-
>-	sc->sc_ohci.sc_dev = dev;
>-
>-	rid = MEM_RID;
>-	sc->sc_ohci.sc_io_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
>-	    &rid, RF_ACTIVE);
>-
>-	if (!(sc->sc_ohci.sc_io_res)) {
>-		err = ENOMEM;
>-		goto error;
>-	}
>-	sc->sc_ohci.sc_io_tag = rman_get_bustag(sc->sc_ohci.sc_io_res);
>-	sc->sc_ohci.sc_io_hdl = rman_get_bushandle(sc->sc_ohci.sc_io_res);
>-	sc->sc_ohci.sc_io_size = rman_get_size(sc->sc_ohci.sc_io_res);
>-
>-	rid = 0;
>-	sc->sc_ohci.sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
>-	    RF_ACTIVE);
>-	if (!(sc->sc_ohci.sc_irq_res)) {
>-		goto error;
>-	}
>-	sc->sc_ohci.sc_bus.bdev = device_add_child(dev, "usbus", -1);
>-	if (!(sc->sc_ohci.sc_bus.bdev)) {
>-		goto error;
>-	}
>-	device_set_ivars(sc->sc_ohci.sc_bus.bdev, &sc->sc_ohci.sc_bus);
>-
>-	strlcpy(sc->sc_ohci.sc_vendor, "Atmel", sizeof(sc->sc_ohci.sc_vendor));
>-
>-	err = bus_setup_intr(dev, sc->sc_ohci.sc_irq_res, INTR_TYPE_BIO | INTR_MPSAFE,
>-	    NULL, (driver_intr_t *)ohci_interrupt, sc, &sc->sc_ohci.sc_intr_hdl);
>-	if (err) {
>-		sc->sc_ohci.sc_intr_hdl = NULL;
>-		goto error;
>-	}
>-	/*
>-	 * turn on the clocks from the AT91's point of view.  Keep the unit in reset.
>-	 */
>-	at91_pmc_clock_enable(sc->mclk);
>-	at91_pmc_clock_enable(sc->iclk);
>-	at91_pmc_clock_enable(sc->fclk);
>-	bus_space_write_4(sc->sc_ohci.sc_io_tag, sc->sc_ohci.sc_io_hdl,
>-	    OHCI_CONTROL, 0);
>-
>-	err = ohci_init(&sc->sc_ohci);
>-	if (!err) {
>-		err = device_probe_and_attach(sc->sc_ohci.sc_bus.bdev);
>-	}
>-	if (err) {
>-		goto error;
>-	}
>-	return (0);
>-
>-error:
>-	ohci_at91_fdt_detach(dev);
>-	return (ENXIO);
>-}
>-
>-static int
>-ohci_at91_fdt_detach(device_t dev)
>-{
>-	struct at91_ohci_softc *sc = device_get_softc(dev);
>-	device_t bdev;
>-	int err;
>-
>-	if (sc->sc_ohci.sc_bus.bdev) {
>-		bdev = sc->sc_ohci.sc_bus.bdev;
>-		device_detach(bdev);
>-		device_delete_child(dev, bdev);
>-	}
>-	/* during module unload there are lots of children leftover */
>-	device_delete_children(dev);
>-
>-	if (sc->sc_ohci.sc_io_res != NULL) {
>-		/*
>-		 * Put the controller into reset, then disable clocks and do
>-		 * the MI tear down.  We have to disable the clocks/hardware
>-		 * after we do the rest of the teardown.  We also disable the
>-		 * clocks in the opposite order we acquire them, but that
>-		 * doesn't seem to be absolutely necessary.  We free up the
>-		 * clocks after we disable them, so the system could, in
>-		 * theory, reuse them.
>-		 */
>-		bus_space_write_4(sc->sc_ohci.sc_io_tag, sc->sc_ohci.sc_io_hdl,
>-				  OHCI_CONTROL, 0);
>-
>-		at91_pmc_clock_disable(sc->fclk);
>-		at91_pmc_clock_disable(sc->iclk);
>-		at91_pmc_clock_disable(sc->mclk);
>-		at91_pmc_clock_deref(sc->fclk);
>-		at91_pmc_clock_deref(sc->iclk);
>-		at91_pmc_clock_deref(sc->mclk);
>-
>-		if (sc->sc_ohci.sc_irq_res && sc->sc_ohci.sc_intr_hdl) {
>-			/*
>-			 * only call ohci_detach() after ohci_init()
>-			 */
>-			ohci_detach(&sc->sc_ohci);
>-
>-			err = bus_teardown_intr(dev, sc->sc_ohci.sc_irq_res,
>-			    sc->sc_ohci.sc_intr_hdl);
>-			sc->sc_ohci.sc_intr_hdl = NULL;
>-		}
>-		if (sc->sc_ohci.sc_irq_res) {
>-			bus_release_resource(dev, SYS_RES_IRQ, 0, sc->sc_ohci.sc_irq_res);
>-			sc->sc_ohci.sc_irq_res = NULL;
>-		}
>-		if (sc->sc_ohci.sc_io_res) {
>-			bus_release_resource(dev, SYS_RES_MEMORY, MEM_RID,
>-					     sc->sc_ohci.sc_io_res);
>-			sc->sc_ohci.sc_io_res = NULL;
>-		}
>-	}
>-	usb_bus_mem_free_all(&sc->sc_ohci.sc_bus, &ohci_iterate_hw_softc);
>-
>-	return (0);
>-}
>-
>-static device_method_t ohci_methods[] = {
>-	/* Device interface */
>-	DEVMETHOD(device_probe, ohci_at91_fdt_probe),
>-	DEVMETHOD(device_attach, ohci_at91_fdt_attach),
>-	DEVMETHOD(device_detach, ohci_at91_fdt_detach),
>-	DEVMETHOD(device_suspend, bus_generic_suspend),
>-	DEVMETHOD(device_resume, bus_generic_resume),
>-	DEVMETHOD(device_shutdown, bus_generic_shutdown),
>-
>-	DEVMETHOD_END
>-};
>-
>-static driver_t ohci_driver = {
>-	.name = "ohci",
>-	.methods = ohci_methods,
>-	.size = sizeof(struct at91_ohci_softc),
>-};
>-
>-static devclass_t ohci_devclass;
>-
>-DRIVER_MODULE(ohci, simplebus, ohci_driver, ohci_devclass, 0, 0);
>-MODULE_DEPEND(ohci, usb, 1, 1, 1);

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Attachments on bug 206229: 165548