119 	int i, r = -1;  in st21nfca_hci_platform_init()  local
121 	for (i = 0; i < ARRAY_SIZE(wait_reboot) && r < 0; i++) {  in st21nfca_hci_platform_init()
122 		r = i2c_master_send(phy->i2c_dev, reboot_cmd,  in st21nfca_hci_platform_init()
124 		if (r < 0)  in st21nfca_hci_platform_init()
127 	if (r < 0)  in st21nfca_hci_platform_init()
128 		return r;  in st21nfca_hci_platform_init()
132 	r = -1;  in st21nfca_hci_platform_init()
133 	for (i = 0; i < ARRAY_SIZE(wait_reboot) && r < 0; i++) {  in st21nfca_hci_platform_init()
134 		r = i2c_master_recv(phy->i2c_dev, tmp,  in st21nfca_hci_platform_init()
136 		if (r < 0)  in st21nfca_hci_platform_init()
139 	if (r < 0)  in st21nfca_hci_platform_init()
140 		return r;  in st21nfca_hci_platform_init()
146 	if (r != ST21NFCA_HCI_LLC_MAX_SIZE)  in st21nfca_hci_platform_init()
206 	int r = -1, i, j;  in st21nfca_hci_i2c_write()  local
254 	for (i = 0; i < ARRAY_SIZE(wait_tab) && r < 0; i++) {  in st21nfca_hci_i2c_write()
255 		r = i2c_master_send(client, tmp, j);  in st21nfca_hci_i2c_write()
256 		if (r < 0)  in st21nfca_hci_i2c_write()
261 	if (r >= 0) {  in st21nfca_hci_i2c_write()
262 		if (r != j)  in st21nfca_hci_i2c_write()
263 			r = -EREMOTEIO;  in st21nfca_hci_i2c_write()
265 			r = 0;  in st21nfca_hci_i2c_write()
270 	return r;  in st21nfca_hci_i2c_write()
316 	int i, j, r, size;  in st21nfca_hci_i2c_repack()  local
340 		r = check_crc(skb->data, skb->len);  in st21nfca_hci_i2c_repack()
341 		if (r != 0) {  in st21nfca_hci_i2c_repack()
373 	int r, i;  in st21nfca_hci_i2c_read()  local
386 		r = 0;  in st21nfca_hci_i2c_read()
388 		for (i = 0; i < ARRAY_SIZE(wait_tab) && r <= 0; i++) {  in st21nfca_hci_i2c_read()
389 			r = i2c_master_recv(client, buf, len);  in st21nfca_hci_i2c_read()
390 			if (r < 0)  in st21nfca_hci_i2c_read()
395 		if (r != len) {  in st21nfca_hci_i2c_read()
449 	int r;  in st21nfca_hci_irq_thread_fn()  local
462 	r = st21nfca_hci_i2c_read(phy, phy->pending_skb);  in st21nfca_hci_irq_thread_fn()
463 	if (r == -EREMOTEIO) {  in st21nfca_hci_irq_thread_fn()
464 		phy->hard_fault = r;  in st21nfca_hci_irq_thread_fn()
469 	} else if (r == -EAGAIN || r == -EIO) {  in st21nfca_hci_irq_thread_fn()
471 	} else if (r == -EBADMSG && phy->crc_trials < ARRAY_SIZE(wait_tab)) {  in st21nfca_hci_irq_thread_fn()
485 	} else if (r > 0) {  in st21nfca_hci_irq_thread_fn()
518 	int r;  in st21nfca_hci_i2c_of_request_resources()  local
532 	r = devm_gpio_request_one(&client->dev, gpio, GPIOF_OUT_INIT_HIGH,  in st21nfca_hci_i2c_of_request_resources()
534 	if (r) {  in st21nfca_hci_i2c_of_request_resources()
536 		return r;  in st21nfca_hci_i2c_of_request_resources()
561 	int r;  in st21nfca_hci_i2c_request_resources()  local
574 		r = devm_gpio_request_one(&client->dev, phy->gpio_ena,  in st21nfca_hci_i2c_request_resources()
576 		if (r) {  in st21nfca_hci_i2c_request_resources()
578 			return r;  in st21nfca_hci_i2c_request_resources()
593 	int r;  in st21nfca_hci_i2c_probe()  local
620 		r = st21nfca_hci_i2c_of_request_resources(client);  in st21nfca_hci_i2c_probe()
621 		if (r) {  in st21nfca_hci_i2c_probe()
623 			return r;  in st21nfca_hci_i2c_probe()
626 		r = st21nfca_hci_i2c_request_resources(client);  in st21nfca_hci_i2c_probe()
627 		if (r) {  in st21nfca_hci_i2c_probe()
629 			return r;  in st21nfca_hci_i2c_probe()
636 	r = st21nfca_hci_platform_init(phy);  in st21nfca_hci_i2c_probe()
637 	if (r < 0) {  in st21nfca_hci_i2c_probe()
639 		return r;  in st21nfca_hci_i2c_probe()
642 	r = devm_request_threaded_irq(&client->dev, client->irq, NULL,  in st21nfca_hci_i2c_probe()
646 	if (r < 0) {  in st21nfca_hci_i2c_probe()
648 		return r;  in st21nfca_hci_i2c_probe()