On Thu, 2 Jun 2011, Soho Soho123 wrote: > Dear Alan, > > > My meaning is : > is there any time time inaccuracy acceptable in ehci host??? I don't understand this question. > Or any blind spot from iso schedule check criterion? If there is any blind spot in the iso scheduling code, I don't know about it. Otherwise I would have fixed it! > Since we do not familiar with ehci host iso schedule algorithm. When > we update ehci host and usb subsystem code to 2.6.39 version, the > slower platform has this problem. I could explain the scheduling algorithm to you. (Much of the code is just error checking.) Would that help you? 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
