> But this leaves open the issue that querying the device too often will > prevent it from going into autosuspend. It seems to me that the best > way to deal with this is to make sure that the autosuspend timeout is > shorter than the interal between queries, not to make the querying > conditional on !runtime_auto. Short autosuspend timeout can affect performance. For instance our experiments showed that shorter than 10sec timeout made Ethernet performance degrade because of wakeup delays. So, just putting shorter timeout may have some side effects. Woojung -- 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
