Hi, >> I have a serial console to access the platform. Today i use Linux as >> USB host. The log of the usb gadget is attached (gadget-log.txt). >> >> The Linux usbmon log file is also attached (usbmon-log.txt). Hopefully >> the log data will be useful. > > It looks like you cut out a lot of information from the gadget log. > Please don't do that. > > The logs show that your driver still has several bugs. For example, > the start of the gadget log shows that the driver thinks it received a > bunch of packets on the bulk-out endpoint, but the usbmon log shows > that the host never sent these packets. > > Your driver does not set the Halt feature for the bulk-in endpoint when > it is supposed to. It doesn't even respond with NAK when it receives > an invalid request on endpoint 0. > > When asked to transmit 4096 bytes of data, your driver sent a packet > containing more than 512 bytes. > I do not know when to set the Halt feature for the bulk-in endpoint. I see gadget code have this line printed out: g_file_storage gadget: bulk-in set halt In the log file, is there any invalid request received on endpoint 0? Regards, victor -- 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
