95 	struct mutex		lock;  member
136 	mutex_lock(&info->lock);  in ep93xx_ac97_read()
142 		mutex_unlock(&info->lock);  in ep93xx_ac97_read()
147 	mutex_unlock(&info->lock);  in ep93xx_ac97_read()
157 	mutex_lock(&info->lock);  in ep93xx_ac97_write()
170 	mutex_unlock(&info->lock);  in ep93xx_ac97_write()
177 	mutex_lock(&info->lock);  in ep93xx_ac97_warm_reset()
190 	mutex_unlock(&info->lock);  in ep93xx_ac97_warm_reset()
197 	mutex_lock(&info->lock);  in ep93xx_ac97_cold_reset()
221 	mutex_unlock(&info->lock);  in ep93xx_ac97_cold_reset()
386 	mutex_init(&info->lock);  in ep93xx_ac97_probe()