Alan Stern wrote: > It is now unnecessary to set urb->start_frame; in fact that field is > now output-only. > > (To be fair, I haven't checked _all_ the HCDs in this regard, just > uhci-hcd, ohci-hcd, and ehci-hcd. However, if any other HCD requires > urb->start_frame to be set then that HCD should be considered buggy and > should be fixed.) That would be fhci, imx21, isp1362, and musb. The other HCDs (including xhci) often have obsolete comments of the form "always assume URB_ISO_ASAP" and do not implement the new semantics either. Regards, Clemens -- 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