141 static int i40e_ptp_set_pins(struct i40e_pf *pf,
152 	struct i40e_pf *pf = container_of(work, struct i40e_pf,  in i40e_ptp_extts0_work()  local
154 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_extts0_work()
172 	ptp_clock_event(pf->ptp_clock, &event);  in i40e_ptp_extts0_work()
196 static enum i40e_can_set_pins_t i40e_can_set_pins(struct i40e_pf *pf)  in i40e_can_set_pins()  argument
198 	if (!i40e_is_ptp_pin_dev(&pf->hw)) {  in i40e_can_set_pins()
199 		dev_warn(&pf->pdev->dev,  in i40e_can_set_pins()
204 	if (!pf->ptp_pins) {  in i40e_can_set_pins()
205 		dev_warn(&pf->pdev->dev,  in i40e_can_set_pins()
210 	if (pf->hw.pf_id) {  in i40e_can_set_pins()
211 		dev_warn(&pf->pdev->dev,  in i40e_can_set_pins()
225 static void i40_ptp_reset_timing_events(struct i40e_pf *pf)  in i40_ptp_reset_timing_events()  argument
229 	spin_lock_bh(&pf->ptp_rx_lock);  in i40_ptp_reset_timing_events()
232 		rd32(&pf->hw, I40E_PRTTSYN_RXTIME_L(i));  in i40_ptp_reset_timing_events()
233 		rd32(&pf->hw, I40E_PRTTSYN_RXTIME_H(i));  in i40_ptp_reset_timing_events()
234 		pf->latch_events[i] = 0;  in i40_ptp_reset_timing_events()
237 	rd32(&pf->hw, I40E_PRTTSYN_TXTIME_L);  in i40_ptp_reset_timing_events()
238 	rd32(&pf->hw, I40E_PRTTSYN_TXTIME_H);  in i40_ptp_reset_timing_events()
240 	pf->tx_hwtstamp_timeouts = 0;  in i40_ptp_reset_timing_events()
241 	pf->tx_hwtstamp_skipped = 0;  in i40_ptp_reset_timing_events()
242 	pf->rx_hwtstamp_cleared = 0;  in i40_ptp_reset_timing_events()
243 	pf->latch_event_flags = 0;  in i40_ptp_reset_timing_events()
244 	spin_unlock_bh(&pf->ptp_rx_lock);  in i40_ptp_reset_timing_events()
281 static void i40e_ptp_read(struct i40e_pf *pf, struct timespec64 *ts,  in i40e_ptp_read()  argument
284 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_read()
308 static void i40e_ptp_write(struct i40e_pf *pf, const struct timespec64 *ts)  in i40e_ptp_write()  argument
310 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_write()
347 	struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);  in i40e_ptp_adjfreq()  local
348 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_adjfreq()
374 	adj *= READ_ONCE(pf->ptp_adj_mult);  in i40e_ptp_adjfreq()
388 static void i40e_ptp_set_1pps_signal_hw(struct i40e_pf *pf)  in i40e_ptp_set_1pps_signal_hw()  argument
390 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_set_1pps_signal_hw()
398 	i40e_ptp_read(pf, &now, NULL);  in i40e_ptp_set_1pps_signal_hw()
422 	struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);  in i40e_ptp_adjtime()  local
423 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_adjtime()
425 	mutex_lock(&pf->tmreg_lock);  in i40e_ptp_adjtime()
447 		i40e_ptp_read(pf, &now, NULL);  in i40e_ptp_adjtime()
449 		i40e_ptp_write(pf, (const struct timespec64 *)&now);  in i40e_ptp_adjtime()
450 		i40e_ptp_set_1pps_signal_hw(pf);  in i40e_ptp_adjtime()
453 	mutex_unlock(&pf->tmreg_lock);  in i40e_ptp_adjtime()
470 	struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);  in i40e_ptp_gettimex()  local
472 	mutex_lock(&pf->tmreg_lock);  in i40e_ptp_gettimex()
473 	i40e_ptp_read(pf, ts, sts);  in i40e_ptp_gettimex()
474 	mutex_unlock(&pf->tmreg_lock);  in i40e_ptp_gettimex()
490 	struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);  in i40e_ptp_settime()  local
492 	mutex_lock(&pf->tmreg_lock);  in i40e_ptp_settime()
493 	i40e_ptp_write(pf, ts);  in i40e_ptp_settime()
494 	mutex_unlock(&pf->tmreg_lock);  in i40e_ptp_settime()
512 	struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);  in i40e_pps_configure()  local
515 		i40e_ptp_set_1pps_signal_hw(pf);  in i40e_pps_configure()
554 static int i40e_ptp_enable_pin(struct i40e_pf *pf, unsigned int chan,  in i40e_ptp_enable_pin()  argument
562 	if (pf->hw.pf_id)  in i40e_ptp_enable_pin()
566 	pins.sdp3_2 = pf->ptp_pins->sdp3_2;  in i40e_ptp_enable_pin()
567 	pins.sdp3_3 = pf->ptp_pins->sdp3_3;  in i40e_ptp_enable_pin()
568 	pins.gpio_4 = pf->ptp_pins->gpio_4;  in i40e_ptp_enable_pin()
577 		pin_index = ptp_find_pin(pf->ptp_clock, func, chan);  in i40e_ptp_enable_pin()
602 	return i40e_ptp_set_pins(pf, &pins) ? -EINVAL : 0;  in i40e_ptp_enable_pin()
617 	struct i40e_pf *pf = container_of(ptp, struct i40e_pf, ptp_caps);  in i40e_ptp_feature_enable()  local
638 	return i40e_ptp_enable_pin(pf, chan, func, on);  in i40e_ptp_feature_enable()
653 static u32 i40e_ptp_get_rx_events(struct i40e_pf *pf)  in i40e_ptp_get_rx_events()  argument
655 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_get_rx_events()
660 	new_latch_events = prttsyn_stat & ~pf->latch_event_flags;  in i40e_ptp_get_rx_events()
673 			pf->latch_events[i] = jiffies;  in i40e_ptp_get_rx_events()
677 	pf->latch_event_flags = prttsyn_stat;  in i40e_ptp_get_rx_events()
691 void i40e_ptp_rx_hang(struct i40e_pf *pf)  in i40e_ptp_rx_hang()  argument
693 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_rx_hang()
701 	if (!(pf->flags & I40E_FLAG_PTP) || !pf->ptp_rx)  in i40e_ptp_rx_hang()
704 	spin_lock_bh(&pf->ptp_rx_lock);  in i40e_ptp_rx_hang()
707 	i40e_ptp_get_rx_events(pf);  in i40e_ptp_rx_hang()
716 		if ((pf->latch_event_flags & BIT(i)) &&  in i40e_ptp_rx_hang()
717 		    time_is_before_jiffies(pf->latch_events[i] + HZ)) {  in i40e_ptp_rx_hang()
719 			pf->latch_event_flags &= ~BIT(i);  in i40e_ptp_rx_hang()
724 	spin_unlock_bh(&pf->ptp_rx_lock);  in i40e_ptp_rx_hang()
733 		dev_dbg(&pf->pdev->dev,  in i40e_ptp_rx_hang()
738 	pf->rx_hwtstamp_cleared += cleared;  in i40e_ptp_rx_hang()
750 void i40e_ptp_tx_hang(struct i40e_pf *pf)  in i40e_ptp_tx_hang()  argument
754 	if (!(pf->flags & I40E_FLAG_PTP) || !pf->ptp_tx)  in i40e_ptp_tx_hang()
758 	if (!test_bit(__I40E_PTP_TX_IN_PROGRESS, pf->state))  in i40e_ptp_tx_hang()
765 	if (time_is_before_jiffies(pf->ptp_tx_start + HZ)) {  in i40e_ptp_tx_hang()
766 		skb = pf->ptp_tx_skb;  in i40e_ptp_tx_hang()
767 		pf->ptp_tx_skb = NULL;  in i40e_ptp_tx_hang()
768 		clear_bit_unlock(__I40E_PTP_TX_IN_PROGRESS, pf->state);  in i40e_ptp_tx_hang()
772 		pf->tx_hwtstamp_timeouts++;  in i40e_ptp_tx_hang()
784 void i40e_ptp_tx_hwtstamp(struct i40e_pf *pf)  in i40e_ptp_tx_hwtstamp()  argument
787 	struct sk_buff *skb = pf->ptp_tx_skb;  in i40e_ptp_tx_hwtstamp()
788 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_tx_hwtstamp()
792 	if (!(pf->flags & I40E_FLAG_PTP) || !pf->ptp_tx)  in i40e_ptp_tx_hwtstamp()
796 	if (!pf->ptp_tx_skb)  in i40e_ptp_tx_hwtstamp()
810 	pf->ptp_tx_skb = NULL;  in i40e_ptp_tx_hwtstamp()
811 	clear_bit_unlock(__I40E_PTP_TX_IN_PROGRESS, pf->state);  in i40e_ptp_tx_hwtstamp()
830 void i40e_ptp_rx_hwtstamp(struct i40e_pf *pf, struct sk_buff *skb, u8 index)  in i40e_ptp_rx_hwtstamp()  argument
839 	if (!(pf->flags & I40E_FLAG_PTP) || !pf->ptp_rx)  in i40e_ptp_rx_hwtstamp()
842 	hw = &pf->hw;  in i40e_ptp_rx_hwtstamp()
844 	spin_lock_bh(&pf->ptp_rx_lock);  in i40e_ptp_rx_hwtstamp()
847 	prttsyn_stat = i40e_ptp_get_rx_events(pf);  in i40e_ptp_rx_hwtstamp()
851 		spin_unlock_bh(&pf->ptp_rx_lock);  in i40e_ptp_rx_hwtstamp()
856 	pf->latch_event_flags &= ~BIT(index);  in i40e_ptp_rx_hwtstamp()
861 	spin_unlock_bh(&pf->ptp_rx_lock);  in i40e_ptp_rx_hwtstamp()
876 void i40e_ptp_set_increment(struct i40e_pf *pf)  in i40e_ptp_set_increment()  argument
879 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_set_increment()
885 	i40e_aq_get_link_info(&pf->hw, true, NULL, NULL);  in i40e_ptp_set_increment()
902 			dev_warn(&pf->pdev->dev,  in i40e_ptp_set_increment()
928 	WRITE_ONCE(pf->ptp_adj_mult, mult);  in i40e_ptp_set_increment()
941 int i40e_ptp_get_ts_config(struct i40e_pf *pf, struct ifreq *ifr)  in i40e_ptp_get_ts_config()  argument
943 	struct hwtstamp_config *config = &pf->tstamp_config;  in i40e_ptp_get_ts_config()
945 	if (!(pf->flags & I40E_FLAG_PTP))  in i40e_ptp_get_ts_config()
958 static void i40e_ptp_free_pins(struct i40e_pf *pf)  in i40e_ptp_free_pins()  argument
960 	if (i40e_is_ptp_pin_dev(&pf->hw)) {  in i40e_ptp_free_pins()
961 		kfree(pf->ptp_pins);  in i40e_ptp_free_pins()
962 		kfree(pf->ptp_caps.pin_config);  in i40e_ptp_free_pins()
963 		pf->ptp_pins = NULL;  in i40e_ptp_free_pins()
1055 static void i40e_ptp_set_pins_hw(struct i40e_pf *pf)  in i40e_ptp_set_pins_hw()  argument
1057 	const struct i40e_ptp_pins_settings *pins = pf->ptp_pins;  in i40e_ptp_set_pins_hw()
1058 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_set_pins_hw()
1074 	dev_info(&pf->pdev->dev,  in i40e_ptp_set_pins_hw()
1089 static int i40e_ptp_set_pins(struct i40e_pf *pf,  in i40e_ptp_set_pins()  argument
1092 	enum i40e_can_set_pins_t pin_caps = i40e_can_set_pins(pf);  in i40e_ptp_set_pins()
1101 		pins->sdp3_2 = pf->ptp_pins->sdp3_2;  in i40e_ptp_set_pins()
1103 		pins->sdp3_3 = pf->ptp_pins->sdp3_3;  in i40e_ptp_set_pins()
1105 		pins->gpio_4 = pf->ptp_pins->gpio_4;  in i40e_ptp_set_pins()
1123 		dev_warn(&pf->pdev->dev,  in i40e_ptp_set_pins()
1131 	memcpy(pf->ptp_pins, pins, sizeof(*pins));  in i40e_ptp_set_pins()
1132 	i40e_ptp_set_pins_hw(pf);  in i40e_ptp_set_pins()
1133 	i40_ptp_reset_timing_events(pf);  in i40e_ptp_set_pins()
1144 int i40e_ptp_alloc_pins(struct i40e_pf *pf)  in i40e_ptp_alloc_pins()  argument
1146 	if (!i40e_is_ptp_pin_dev(&pf->hw))  in i40e_ptp_alloc_pins()
1149 	pf->ptp_pins =  in i40e_ptp_alloc_pins()
1152 	if (!pf->ptp_pins) {  in i40e_ptp_alloc_pins()
1153 		dev_warn(&pf->pdev->dev, "Cannot allocate memory for PTP pins structure.\n");  in i40e_ptp_alloc_pins()
1157 	pf->ptp_pins->sdp3_2 = off;  in i40e_ptp_alloc_pins()
1158 	pf->ptp_pins->sdp3_3 = off;  in i40e_ptp_alloc_pins()
1159 	pf->ptp_pins->gpio_4 = off;  in i40e_ptp_alloc_pins()
1160 	pf->ptp_pins->led2_0 = high;  in i40e_ptp_alloc_pins()
1161 	pf->ptp_pins->led2_1 = high;  in i40e_ptp_alloc_pins()
1162 	pf->ptp_pins->led3_0 = high;  in i40e_ptp_alloc_pins()
1163 	pf->ptp_pins->led3_1 = high;  in i40e_ptp_alloc_pins()
1166 	if (pf->hw.pf_id)  in i40e_ptp_alloc_pins()
1169 	i40e_ptp_init_leds_hw(&pf->hw);  in i40e_ptp_alloc_pins()
1170 	i40e_ptp_set_pins_hw(pf);  in i40e_ptp_alloc_pins()
1187 static int i40e_ptp_set_timestamp_mode(struct i40e_pf *pf,  in i40e_ptp_set_timestamp_mode()  argument
1190 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_set_timestamp_mode()
1206 	INIT_WORK(&pf->ptp_extts0_work, i40e_ptp_extts0_work);  in i40e_ptp_set_timestamp_mode()
1210 		pf->ptp_tx = false;  in i40e_ptp_set_timestamp_mode()
1213 		pf->ptp_tx = true;  in i40e_ptp_set_timestamp_mode()
1221 		pf->ptp_rx = false;  in i40e_ptp_set_timestamp_mode()
1232 		if (!(pf->hw_features & I40E_HW_PTP_L4_CAPABLE))  in i40e_ptp_set_timestamp_mode()
1234 		pf->ptp_rx = true;  in i40e_ptp_set_timestamp_mode()
1246 		if (!(pf->hw_features & I40E_HW_PTP_L4_CAPABLE))  in i40e_ptp_set_timestamp_mode()
1252 		pf->ptp_rx = true;  in i40e_ptp_set_timestamp_mode()
1255 		if (pf->hw_features & I40E_HW_PTP_L4_CAPABLE) {  in i40e_ptp_set_timestamp_mode()
1269 	spin_lock_bh(&pf->ptp_rx_lock);  in i40e_ptp_set_timestamp_mode()
1276 	pf->latch_event_flags = 0;  in i40e_ptp_set_timestamp_mode()
1277 	spin_unlock_bh(&pf->ptp_rx_lock);  in i40e_ptp_set_timestamp_mode()
1281 	if (pf->ptp_tx)  in i40e_ptp_set_timestamp_mode()
1288 	if (pf->ptp_tx)  in i40e_ptp_set_timestamp_mode()
1324 int i40e_ptp_set_ts_config(struct i40e_pf *pf, struct ifreq *ifr)  in i40e_ptp_set_ts_config()  argument
1329 	if (!(pf->flags & I40E_FLAG_PTP))  in i40e_ptp_set_ts_config()
1335 	err = i40e_ptp_set_timestamp_mode(pf, &config);  in i40e_ptp_set_ts_config()
1340 	pf->tstamp_config = config;  in i40e_ptp_set_ts_config()
1353 static int i40e_init_pin_config(struct i40e_pf *pf)  in i40e_init_pin_config()  argument
1357 	pf->ptp_caps.n_pins = 3;  in i40e_init_pin_config()
1358 	pf->ptp_caps.n_ext_ts = 2;  in i40e_init_pin_config()
1359 	pf->ptp_caps.pps = 1;  in i40e_init_pin_config()
1360 	pf->ptp_caps.n_per_out = 2;  in i40e_init_pin_config()
1362 	pf->ptp_caps.pin_config = kcalloc(pf->ptp_caps.n_pins,  in i40e_init_pin_config()
1363 					  sizeof(*pf->ptp_caps.pin_config),  in i40e_init_pin_config()
1365 	if (!pf->ptp_caps.pin_config)  in i40e_init_pin_config()
1368 	for (i = 0; i < pf->ptp_caps.n_pins; i++) {  in i40e_init_pin_config()
1369 		snprintf(pf->ptp_caps.pin_config[i].name,  in i40e_init_pin_config()
1370 			 sizeof(pf->ptp_caps.pin_config[i].name),  in i40e_init_pin_config()
1372 		pf->ptp_caps.pin_config[i].index = sdp_desc[i].index;  in i40e_init_pin_config()
1373 		pf->ptp_caps.pin_config[i].func = PTP_PF_NONE;  in i40e_init_pin_config()
1374 		pf->ptp_caps.pin_config[i].chan = sdp_desc[i].chan;  in i40e_init_pin_config()
1377 	pf->ptp_caps.verify = i40e_ptp_verify;  in i40e_init_pin_config()
1378 	pf->ptp_caps.enable = i40e_ptp_feature_enable;  in i40e_init_pin_config()
1380 	pf->ptp_caps.pps = 1;  in i40e_init_pin_config()
1395 static long i40e_ptp_create_clock(struct i40e_pf *pf)  in i40e_ptp_create_clock()  argument
1398 	if (!IS_ERR_OR_NULL(pf->ptp_clock))  in i40e_ptp_create_clock()
1401 	strlcpy(pf->ptp_caps.name, i40e_driver_name,  in i40e_ptp_create_clock()
1402 		sizeof(pf->ptp_caps.name) - 1);  in i40e_ptp_create_clock()
1403 	pf->ptp_caps.owner = THIS_MODULE;  in i40e_ptp_create_clock()
1404 	pf->ptp_caps.max_adj = 999999999;  in i40e_ptp_create_clock()
1405 	pf->ptp_caps.adjfreq = i40e_ptp_adjfreq;  in i40e_ptp_create_clock()
1406 	pf->ptp_caps.adjtime = i40e_ptp_adjtime;  in i40e_ptp_create_clock()
1407 	pf->ptp_caps.gettimex64 = i40e_ptp_gettimex;  in i40e_ptp_create_clock()
1408 	pf->ptp_caps.settime64 = i40e_ptp_settime;  in i40e_ptp_create_clock()
1409 	if (i40e_is_ptp_pin_dev(&pf->hw)) {  in i40e_ptp_create_clock()
1410 		int err = i40e_init_pin_config(pf);  in i40e_ptp_create_clock()
1417 	pf->ptp_clock = ptp_clock_register(&pf->ptp_caps, &pf->pdev->dev);  in i40e_ptp_create_clock()
1418 	if (IS_ERR(pf->ptp_clock))  in i40e_ptp_create_clock()
1419 		return PTR_ERR(pf->ptp_clock);  in i40e_ptp_create_clock()
1425 	pf->tstamp_config.rx_filter = HWTSTAMP_FILTER_NONE;  in i40e_ptp_create_clock()
1426 	pf->tstamp_config.tx_type = HWTSTAMP_TX_OFF;  in i40e_ptp_create_clock()
1429 	ktime_get_real_ts64(&pf->ptp_prev_hw_time);  in i40e_ptp_create_clock()
1430 	pf->ptp_reset_start = ktime_get();  in i40e_ptp_create_clock()
1444 void i40e_ptp_save_hw_time(struct i40e_pf *pf)  in i40e_ptp_save_hw_time()  argument
1447 	if (!(pf->flags & I40E_FLAG_PTP))  in i40e_ptp_save_hw_time()
1450 	i40e_ptp_gettimex(&pf->ptp_caps, &pf->ptp_prev_hw_time, NULL);  in i40e_ptp_save_hw_time()
1452 	pf->ptp_reset_start = ktime_get();  in i40e_ptp_save_hw_time()
1467 void i40e_ptp_restore_hw_time(struct i40e_pf *pf)  in i40e_ptp_restore_hw_time()  argument
1469 	ktime_t delta = ktime_sub(ktime_get(), pf->ptp_reset_start);  in i40e_ptp_restore_hw_time()
1472 	timespec64_add_ns(&pf->ptp_prev_hw_time, ktime_to_ns(delta));  in i40e_ptp_restore_hw_time()
1475 	i40e_ptp_settime(&pf->ptp_caps, &pf->ptp_prev_hw_time);  in i40e_ptp_restore_hw_time()
1491 void i40e_ptp_init(struct i40e_pf *pf)  in i40e_ptp_init()  argument
1493 	struct net_device *netdev = pf->vsi[pf->lan_vsi]->netdev;  in i40e_ptp_init()
1494 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_init()
1504 		pf->flags &= ~I40E_FLAG_PTP;  in i40e_ptp_init()
1505 		dev_info(&pf->pdev->dev, "%s: PTP not supported on %s\n",  in i40e_ptp_init()
1511 	mutex_init(&pf->tmreg_lock);  in i40e_ptp_init()
1512 	spin_lock_init(&pf->ptp_rx_lock);  in i40e_ptp_init()
1515 	err = i40e_ptp_create_clock(pf);  in i40e_ptp_init()
1517 		pf->ptp_clock = NULL;  in i40e_ptp_init()
1518 		dev_err(&pf->pdev->dev, "%s: ptp_clock_register failed\n",  in i40e_ptp_init()
1520 	} else if (pf->ptp_clock) {  in i40e_ptp_init()
1523 		if (pf->hw.debug_mask & I40E_DEBUG_LAN)  in i40e_ptp_init()
1524 			dev_info(&pf->pdev->dev, "PHC enabled\n");  in i40e_ptp_init()
1525 		pf->flags |= I40E_FLAG_PTP;  in i40e_ptp_init()
1536 		i40e_ptp_set_increment(pf);  in i40e_ptp_init()
1539 		i40e_ptp_set_timestamp_mode(pf, &pf->tstamp_config);  in i40e_ptp_init()
1542 		i40e_ptp_restore_hw_time(pf);  in i40e_ptp_init()
1545 	i40e_ptp_set_1pps_signal_hw(pf);  in i40e_ptp_init()
1555 void i40e_ptp_stop(struct i40e_pf *pf)  in i40e_ptp_stop()  argument
1557 	struct i40e_hw *hw = &pf->hw;  in i40e_ptp_stop()
1560 	pf->flags &= ~I40E_FLAG_PTP;  in i40e_ptp_stop()
1561 	pf->ptp_tx = false;  in i40e_ptp_stop()
1562 	pf->ptp_rx = false;  in i40e_ptp_stop()
1564 	if (pf->ptp_tx_skb) {  in i40e_ptp_stop()
1565 		struct sk_buff *skb = pf->ptp_tx_skb;  in i40e_ptp_stop()
1567 		pf->ptp_tx_skb = NULL;  in i40e_ptp_stop()
1568 		clear_bit_unlock(__I40E_PTP_TX_IN_PROGRESS, pf->state);  in i40e_ptp_stop()
1572 	if (pf->ptp_clock) {  in i40e_ptp_stop()
1573 		ptp_clock_unregister(pf->ptp_clock);  in i40e_ptp_stop()
1574 		pf->ptp_clock = NULL;  in i40e_ptp_stop()
1575 		dev_info(&pf->pdev->dev, "%s: removed PHC on %s\n", __func__,  in i40e_ptp_stop()
1576 			 pf->vsi[pf->lan_vsi]->netdev->name);  in i40e_ptp_stop()
1579 	if (i40e_is_ptp_pin_dev(&pf->hw)) {  in i40e_ptp_stop()
1594 	i40e_ptp_free_pins(pf);  in i40e_ptp_stop()