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.
Regards
Oliver
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