On Mon, 26 Nov 2012, Oliver Neukum wrote: > On Monday 26 November 2012 14:43:13 Clemens Ladisch wrote: > > > > If it has to be running, the easiest fix would be the patch like > > > below. This will turn off the autopm essentially, but better than > > > breakage. > > > > > > @@ -2074,6 +2077,8 @@ static void snd_usbmidi_input_start_ep(struct snd_usb_midi_in_endpoint* ep) > > > > > > + ep->autopm_reference = > > > + usb_autopm_get_interface(ep->umidi->iface) >= 0; > > > > usb_autopm_get_interface() cannot be called from the USB probe callback. > > You can use usb_autopm_get_interface_no_resume() > During probe() the device is known to not be suspended. In fact, as far as I know you _can_ use usb_autopm_get_interface() from within a probe routine. Is there some problem with it I'm not aware of? Alan Stern -- 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