On Fri, 25 Mar 2011, BradHuang wrote: > Dears, > > the code of usbsub system we used is 2.6.34. > I got the patch from you in previous e-mails, the patch is not offical version, just for test that you said . > we will not use new kerenl version because there are a lot of difference, > it is make sense to patch for bug fix currently, > Could you help to explain the condition about I mentioned in last e-mail? What condition? I did not understand your question. Have you done more testing to find out what routine takes so much time? 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