94 	struct mutex		lock;  member
133 	mutex_lock(&info->lock);  in ep93xx_ac97_read()
139 		mutex_unlock(&info->lock);  in ep93xx_ac97_read()
144 	mutex_unlock(&info->lock);  in ep93xx_ac97_read()
154 	mutex_lock(&info->lock);  in ep93xx_ac97_write()
167 	mutex_unlock(&info->lock);  in ep93xx_ac97_write()
174 	mutex_lock(&info->lock);  in ep93xx_ac97_warm_reset()
187 	mutex_unlock(&info->lock);  in ep93xx_ac97_warm_reset()
194 	mutex_lock(&info->lock);  in ep93xx_ac97_cold_reset()
218 	mutex_unlock(&info->lock);  in ep93xx_ac97_cold_reset()
391 	mutex_init(&info->lock);  in ep93xx_ac97_probe()