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Show First 20 Lines • Show All 1,779 Lines • ▼ Show 20 Lines	usb_alloc_device(device_t parent_dev, struct usb_bus *bus,
}		}

if (depth > 0x10) {		if (depth > 0x10) {
device_printf(bus->bdev,		device_printf(bus->bdev,
"Invalid device depth\n");		"Invalid device depth\n");
return (NULL);		return (NULL);
}		}
udev = malloc(sizeof(*udev), M_USB, M_WAITOK \| M_ZERO);		udev = malloc(sizeof(*udev), M_USB, M_WAITOK \| M_ZERO);
		#if (USB_HAVE_MALLOC_WAITOK == 0)
if (udev == NULL) {		if (udev == NULL) {
return (NULL);		return (NULL);
}		}
		#endif
/* initialise our SX-lock */		/* initialise our SX-lock */
sx_init_flags(&udev->enum_sx, "USB config SX lock", SX_DUPOK);		sx_init_flags(&udev->enum_sx, "USB config SX lock", SX_DUPOK);
sx_init_flags(&udev->sr_sx, "USB suspend and resume SX lock", SX_NOWITNESS);		sx_init_flags(&udev->sr_sx, "USB suspend and resume SX lock", SX_NOWITNESS);
sx_init_flags(&udev->ctrl_sx, "USB control transfer SX lock", SX_DUPOK);		sx_init_flags(&udev->ctrl_sx, "USB control transfer SX lock", SX_DUPOK);

cv_init(&udev->ctrlreq_cv, "WCTRL");		cv_init(&udev->ctrlreq_cv, "WCTRL");
cv_init(&udev->ref_cv, "UGONE");		cv_init(&udev->ref_cv, "UGONE");

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