diff -Naru hdjmod-1.28o/midi.c hdjmod-1.28/midi.c
--- hdjmod-1.28o/midi.c	2009-01-27 15:25:50.000000000 +0100
+++ hdjmod-1.28/midi.c	2011-05-30 21:47:18.000000000 +0200
@@ -60,7 +60,7 @@
 
 unsigned long channel_list_initialized = 0;
 struct midi_channel_elem channel_list[NUM_MIDI_CHANNELS];
-spinlock_t channel_list_lock = SPIN_LOCK_UNLOCKED;
+DEFINE_SPINLOCK(channel_list_lock);
 
 static struct usb_protocol_ops snd_hdjmidi_standard_ops = {
 	.input = snd_hdjmidi_standard_input,