On Fri, Aug 08, 2014 at 01:42:53PM +0800, w wrote: > > I got a patch from git log,this patch is about the cdc-acm. >From 2009? > But what should i do to solve my problem? I don't understand, are you using a kernel older than 2009? What kernel version are you using? confused, 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