On Tue, Jan 19, 2010 at 04:10:21PM +0100, IATRIDES Cl?ment wrote: > Hello, > > I am currently working on the devellopement of an USB driver for my custom > USB device. I based my work on the usb-skelleton driver of the kernet and > just replaced the vendor and device id. > > When I do not load my driver I get this message from the kernel : > > usb 2-2.4: new full speed USB device using ehci-omap and address 3 > usb 2-2.4: unable to read config index 0 descriptor/start: -110 > usb 2-2.4: chopping to 0 config(s) > usb 2-2.4: New USB device found, idVendor=4747, idProduct=4d57 > usb 2-2.4: New USB device strings: Mfr=0, Product=0, SerialNumber=0 > usb 2-2.4: no configuration chosen from 0 choices > > In a way it is logical my device isn't recognised by my kernel. But I have > an error message at line 2. When I connect my device after loading my > driver I get the same masseges. > > What did I do wrong ? Does your device pass the USB-IF test suite already? If you have not tried it, I would suggest going to www.usb.org and downloading them and running them first (sorry, they only work on Windows). That will exercise your device to verify that it is working properly, which the above log files indicate that it is not. thanks, greg k-h -- 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