82 /* cycle leds on hubs that aren't blinking for attention */
85 MODULE_PARM_DESC(blinkenlights, "true to cycle leds on hubs");
320 	/* How many external hubs are in between the device & the root port. */  in usb_set_lpm_sel()
744  * USB 3.0 hubs do not report the port link state change from U3 to U0 when the
963 	/* Enable power on each port.  Some hubs have reserved values  in hub_power_on()
965 	 * USB 2.0 hubs.  Some hubs do not implement port-power switching  in hub_power_on()
1158 						"LS/FS devices and hubs may not work under this hub\n");  in hub_activate()
1277 			 * for USB 3.0 hubs, since they don't have a suspend  in hub_activate()
1577 		/* USB 3.0 hubs don't have a TT */  in hub_configure()
1624 	/* power budgeting mostly matters with bus-powered hubs,  in hub_configure()
1625 	 * and battery-powered root hubs (may provide just 8 mA).  in hub_configure()
1659 		/* FIXME: What about battery-powered external hubs that  in hub_configure()
1685 	 * bytes as USB2.0[11.12.3] says because some hubs are known  in hub_configure()
1686 	 * to send more data (and thus cause overflow). For root hubs,  in hub_configure()
1824 	/* Some hubs have a subclass of 1, which AFAICT according to the */  in hub_descriptor_is_sane()
1892 	 * Hubs have proper suspend/resume support, except for root hubs  in hub_probe()
2240 	/* Root hubs aren't real devices, so don't free HCD resources */  in hub_free_dev()
2267  * which protects the set of root hubs as well as the list of buses.
2397 	 * OTG-aware devices on OTG-capable root hubs may be able to use SRP,  in usb_enumerate_device_otg()
2617 	 * allowed for hubs during binding.  in usb_new_device()
3419  * (and, for hubs, child devices) must already have been suspended.
3443  * Other than re-initializing the hub (plug/unplug, except for root hubs),
3502 	 * However, many USB hubs have a bug: They don't relay wakeup requests  in usb_port_suspend()
3788 		/* Virtual root hubs can trigger on GET_PORT_STATUS to  in usb_port_resume()
5437 		/* Devices connected to SuperSpeed hubs are USB 3.0 or later */  in hub_port_connect()
5461 		/* consecutive bus-powered hubs aren't reliable; they can  in hub_port_connect()