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()
646 	mutex_lock(&clock->extreg_lock);  in recalibrate()
739 	mutex_unlock(&clock->extreg_lock);  in recalibrate()
987 		mutex_destroy(&clock->extreg_lock);  in dp83640_free_clocks()
1001 	mutex_init(&clock->extreg_lock);  in dp83640_clock_init()
1118 		mutex_lock(&clock->extreg_lock);  in dp83640_config_init()
1120 		mutex_unlock(&clock->extreg_lock);  in dp83640_config_init()
1125 	mutex_lock(&clock->extreg_lock);  in dp83640_config_init()
1127 	mutex_unlock(&clock->extreg_lock);  in dp83640_config_init()
1295 	mutex_lock(&dp83640->clock->extreg_lock);  in dp83640_hwtstamp()
1300 	mutex_unlock(&dp83640->clock->extreg_lock);  in dp83640_hwtstamp()