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-rw-r--r--arch/powerpc/platforms/ps3/setup.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/ps3/setup.c b/arch/powerpc/platforms/ps3/setup.c
index 77bc330263c..bfc33fb2c7c 100644
--- a/arch/powerpc/platforms/ps3/setup.c
+++ b/arch/powerpc/platforms/ps3/setup.c
@@ -42,6 +42,10 @@
#define DBG pr_debug
#endif
+/* mutex synchronizing GPU accesses and video mode changes */
+DEFINE_MUTEX(ps3_gpu_mutex);
+EXPORT_SYMBOL_GPL(ps3_gpu_mutex);
+
#if !defined(CONFIG_SMP)
static void smp_send_stop(void) {}
#endif