On Sun, 21 Aug 2016, Matwey V. Kornilov wrote: > In both cases (with or without HCD_BH), usb_hcd_giveback_urb is called > every 0.01 sec. It is not clear why behavior is so different. What behavior are you asking about? The difference between HCD_BH set and not set? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html