Per-controller spinlock needs to be properly initialized during device probe.
[jkosina@suse.cz: massage changelog]
[jkosina@suse.cz: drop hunk that has already been applied by previous
patch] Signed-off-by: Frank Praznik <frank.praznik@oh.rr.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>