118 	int i, r = -1;  in st21nfca_hci_platform_init()  local
120 	for (i = 0; i < ARRAY_SIZE(wait_reboot) && r < 0; i++) {  in st21nfca_hci_platform_init()
121 		r = i2c_master_send(phy->i2c_dev, reboot_cmd,  in st21nfca_hci_platform_init()
123 		if (r < 0)  in st21nfca_hci_platform_init()
126 	if (r < 0)  in st21nfca_hci_platform_init()
127 		return r;  in st21nfca_hci_platform_init()
131 	r = -1;  in st21nfca_hci_platform_init()
132 	for (i = 0; i < ARRAY_SIZE(wait_reboot) && r < 0; i++) {  in st21nfca_hci_platform_init()
133 		r = i2c_master_recv(phy->i2c_dev, tmp,  in st21nfca_hci_platform_init()
135 		if (r < 0)  in st21nfca_hci_platform_init()
138 	if (r < 0)  in st21nfca_hci_platform_init()
139 		return r;  in st21nfca_hci_platform_init()
145 	if (r != ST21NFCA_HCI_LLC_MAX_SIZE)  in st21nfca_hci_platform_init()
205 	int r = -1, i, j;  in st21nfca_hci_i2c_write()  local
253 	for (i = 0; i < ARRAY_SIZE(wait_tab) && r < 0; i++) {  in st21nfca_hci_i2c_write()
254 		r = i2c_master_send(client, tmp, j);  in st21nfca_hci_i2c_write()
255 		if (r < 0)  in st21nfca_hci_i2c_write()
260 	if (r >= 0) {  in st21nfca_hci_i2c_write()
261 		if (r != j)  in st21nfca_hci_i2c_write()
262 			r = -EREMOTEIO;  in st21nfca_hci_i2c_write()
264 			r = 0;  in st21nfca_hci_i2c_write()
269 	return r;  in st21nfca_hci_i2c_write()
315 	int i, j, r, size;  in st21nfca_hci_i2c_repack()  local
339 		r = check_crc(skb->data, skb->len);  in st21nfca_hci_i2c_repack()
340 		if (r != 0) {  in st21nfca_hci_i2c_repack()
372 	int r, i;  in st21nfca_hci_i2c_read()  local
385 		r = 0;  in st21nfca_hci_i2c_read()
387 		for (i = 0; i < ARRAY_SIZE(wait_tab) && r <= 0; i++) {  in st21nfca_hci_i2c_read()
388 			r = i2c_master_recv(client, buf, len);  in st21nfca_hci_i2c_read()
389 			if (r < 0)  in st21nfca_hci_i2c_read()
394 		if (r != len) {  in st21nfca_hci_i2c_read()
448 	int r;  in st21nfca_hci_irq_thread_fn()  local
461 	r = st21nfca_hci_i2c_read(phy, phy->pending_skb);  in st21nfca_hci_irq_thread_fn()
462 	if (r == -EREMOTEIO) {  in st21nfca_hci_irq_thread_fn()
463 		phy->hard_fault = r;  in st21nfca_hci_irq_thread_fn()
468 	} else if (r == -EAGAIN || r == -EIO) {  in st21nfca_hci_irq_thread_fn()
470 	} else if (r == -EBADMSG && phy->crc_trials < ARRAY_SIZE(wait_tab)) {  in st21nfca_hci_irq_thread_fn()
484 	} else if (r > 0) {  in st21nfca_hci_irq_thread_fn()
517 	int r;  in st21nfca_hci_i2c_of_request_resources()  local
531 	r = devm_gpio_request_one(&client->dev, gpio, GPIOF_OUT_INIT_HIGH,  in st21nfca_hci_i2c_of_request_resources()
533 	if (r) {  in st21nfca_hci_i2c_of_request_resources()
535 		return r;  in st21nfca_hci_i2c_of_request_resources()
560 	int r;  in st21nfca_hci_i2c_request_resources()  local
573 		r = devm_gpio_request_one(&client->dev, phy->gpio_ena,  in st21nfca_hci_i2c_request_resources()
575 		if (r) {  in st21nfca_hci_i2c_request_resources()
577 			return r;  in st21nfca_hci_i2c_request_resources()
592 	int r;  in st21nfca_hci_i2c_probe()  local
619 		r = st21nfca_hci_i2c_of_request_resources(client);  in st21nfca_hci_i2c_probe()
620 		if (r) {  in st21nfca_hci_i2c_probe()
622 			return r;  in st21nfca_hci_i2c_probe()
625 		r = st21nfca_hci_i2c_request_resources(client);  in st21nfca_hci_i2c_probe()
626 		if (r) {  in st21nfca_hci_i2c_probe()
628 			return r;  in st21nfca_hci_i2c_probe()
635 	r = st21nfca_hci_platform_init(phy);  in st21nfca_hci_i2c_probe()
636 	if (r < 0) {  in st21nfca_hci_i2c_probe()
638 		return r;  in st21nfca_hci_i2c_probe()
641 	r = devm_request_threaded_irq(&client->dev, client->irq, NULL,  in st21nfca_hci_i2c_probe()
645 	if (r < 0) {  in st21nfca_hci_i2c_probe()
647 		return r;  in st21nfca_hci_i2c_probe()