HID: cp2112: fix sleep-while-atomic

A recent commit fixing DMA-buffers on stack added a shared transfer
buffer protected by a spinlock. This is broken as the USB HID request
callbacks can sleep. Fix this up by replacing the spinlock with a mutex.

Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable")
Cc: stable <stable@vger.kernel.org>	# 4.9
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>

path: root/sound/sparc/Makefile

#
# Makefile for ALSA
# Copyright (c) 2002 by David S. Miller <davem@redhat.com>
#

snd-sun-amd7930-objs := amd7930.o
snd-sun-cs4231-objs := cs4231.o
snd-sun-dbri-objs := dbri.o

obj-$(CONFIG_SND_SUN_AMD7930) += snd-sun-amd7930.o
obj-$(CONFIG_SND_SUN_CS4231) += snd-sun-cs4231.o
obj-$(CONFIG_SND_SUN_DBRI) += snd-sun-dbri.o