On Mon, Sep 08, 2014 at 11:31:32AM +0800, lx wrote: > hi all: > I read this article, but I can't understand this section： > ############################################################ > > Most USB device drivers should pass these tables to the USB subsystem as > well as to the module management subsystem. Not all, though: some driver > frameworks connect using interfaces layered over USB, and so they won't > need such a "struct usb_driver". > > ############################################################ > From: https://www.kernel.org/doc/Documentation/usb/hotplug.txt > > How to understand "using interfaces layered over USB"? Think SCSI, HID, Serial, or any other type of usb device that is just using the USB connection as a physical transport of a specific type of data. Does that help? greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
