On Fri, 27 Sep 2013, Marek Vasut wrote: > Dear Fabio Estevam, > > > Hi, > > > > I am using mx53 (which uses the chipidea driver) and it works fine with > > g_ether. > > > > Now, I need to test gadgetfs and this is what I get: > > > > $ modprobe gadgetfs > > gadgetfs: USB Gadget filesystem, version 24 Aug 2004 > > > > $ mkdir /dev/gadget > > $ mount -t gadgetfs none /dev/gadget > > nop ci_hdrc.0: failed to start (null): -120 > > > > This error message comes from: > > > > ret = driver->bind(udc->gadget, driver); > > > > inside udc_bind_to_driver() from udc_core.c > > > > Any idea as to why driver->bind fails? > > > > I will start debugging it, but would appreciate any suggestions. > > gadgetfs_probe() returns -EISNAM unconditionally. That's rather strange.
It is a temporary measure, used only when the file system is set up initially. The real bind routine is gadgetfs_bind(), which gets called when userspace configures the gadget. In short, this is how it is intended to work. It isn't a bug. Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
