Am Donnerstag, 4. März 2010 19:22:59 schrieb Sarah Sharp: > I feel like the USB core should have enough information by looking at > the device descriptors in the USB tree. It has the exit latency for > U1/U2 and the hub decode latency, it knows how to follow the USB device > tree down to find the greatest exit latency, and it knows how to parse > the endpoint descriptors to find the polling intervals. All this seems > very USB-specific, so how can the pm_qos layer help? It seems to me that the where you know only periodic traffic is fundamentally different. You'd either never go into U1/2 or you'd do it as soon as possible. Maybe we are talking at cross purposes here. Regards Oliver -- 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
