136 	struct mutex extreg_lock;  member
331 		mutex_lock(&clock->extreg_lock);  in periodic_output()
334 		mutex_unlock(&clock->extreg_lock);  in periodic_output()
344 	mutex_lock(&clock->extreg_lock);  in periodic_output()
368 	mutex_unlock(&clock->extreg_lock);  in periodic_output()
397 	mutex_lock(&clock->extreg_lock);  in ptp_dp83640_adjfine()
402 	mutex_unlock(&clock->extreg_lock);  in ptp_dp83640_adjfine()
419 	mutex_lock(&clock->extreg_lock);  in ptp_dp83640_adjtime()
423 	mutex_unlock(&clock->extreg_lock);  in ptp_dp83640_adjtime()
436 	mutex_lock(&clock->extreg_lock);  in ptp_dp83640_gettime()
445 	mutex_unlock(&clock->extreg_lock);  in ptp_dp83640_gettime()
461 	mutex_lock(&clock->extreg_lock);  in ptp_dp83640_settime()
465 	mutex_unlock(&clock->extreg_lock);  in ptp_dp83640_settime()
510 		mutex_lock(&clock->extreg_lock);  in ptp_dp83640_enable()
512 		mutex_unlock(&clock->extreg_lock);  in ptp_dp83640_enable()
560 	mutex_lock(&clock->extreg_lock);  in enable_status_frames()
565 	mutex_unlock(&clock->extreg_lock);  in enable_status_frames()
645 	mutex_lock(&clock->extreg_lock);  in recalibrate()
732 	mutex_unlock(&clock->extreg_lock);  in recalibrate()
980 		mutex_destroy(&clock->extreg_lock);  in dp83640_free_clocks()
994 	mutex_init(&clock->extreg_lock);  in dp83640_clock_init()
1111 		mutex_lock(&clock->extreg_lock);  in dp83640_config_init()
1113 		mutex_unlock(&clock->extreg_lock);  in dp83640_config_init()
1118 	mutex_lock(&clock->extreg_lock);  in dp83640_config_init()
1120 	mutex_unlock(&clock->extreg_lock);  in dp83640_config_init()
1288 	mutex_lock(&dp83640->clock->extreg_lock);  in dp83640_hwtstamp()
1293 	mutex_unlock(&dp83640->clock->extreg_lock);  in dp83640_hwtstamp()