usb/core/hub.c

1220 		/* Make sure a warm-reset request is handled by port_event */
2934  * Port warm reset is required to recover
2953 			struct usb_device *udev, unsigned int delay, bool warm)
2995 				warm ? "warm " : "", delay);
3009 	 * A USB 3.0 connection may bounce if multiple warm resets were issued,
3048 /* Handle port reset and port warm(BH) reset (for USB3 protocol ports) */
3050 			struct usb_device *udev, unsigned int delay, bool warm)
3058 		if (warm) {
3060 						"warm reset\n");
3067 	} else if (!warm) {
3069 		 * If the caller hasn't explicitly requested a warm reset,
3076 				warm = true;
3082 		status = set_port_feature(hub->hdev, port1, (warm ?
3090 					warm ? "warm " : "", status);
3093 								warm);
3102 		 * reset attempts to avoid warm reset loop.
3123 			 * state, re-issue the warm reset.
3135 			 * hot or warm reset failed.  Try another warm reset.
3137 			if (!warm) {
3139 						"hot reset failed, warm reset\n");
3140 				warm = true;
3146 				warm ? "warm " : "");
3292 	/* Is a warm reset needed to recover the connection? */
5197 		dev_err(&udev->dev, "got a wrong device descriptor, warm reset device\n");
5808 		dev_dbg(&port_dev->dev, "warm reset change\n");
5835 	 * Avoid trying to recover a USB3 SS.Inactive port with a warm reset if
5850 			dev_dbg(&port_dev->dev, "do warm reset, port only\n");
5858 			dev_dbg(&port_dev->dev, "do warm reset, full device\n");