static int vrc4173_initialized;
static uint16_t vrc4173_cmuclkmsk;
static uint16_t vrc4173_selectreg;
-static spinlock_t vrc4173_cmu_lock;
-static spinlock_t vrc4173_giu_lock;
+static DEFINE_SPINLOCK(vrc4173_cmu_lock);
+static DEFINE_SPINLOCK(vrc4173_giu_lock);
static inline void set_cmusrst(uint16_t val)
{