75 	int r;  in nxp_nci_i2c_write()  local
82 	r = i2c_master_send(client, skb->data, skb->len);  in nxp_nci_i2c_write()
83 	if (r == -EREMOTEIO) {  in nxp_nci_i2c_write()
86 		r = i2c_master_send(client, skb->data, skb->len);  in nxp_nci_i2c_write()
89 	if (r < 0) {  in nxp_nci_i2c_write()
90 		nfc_err(&client->dev, "Error %d on I2C send\n", r);  in nxp_nci_i2c_write()
91 	} else if (r != skb->len) {  in nxp_nci_i2c_write()
94 			r, skb->len);  in nxp_nci_i2c_write()
95 		r = -EREMOTEIO;  in nxp_nci_i2c_write()
98 		r = 0;  in nxp_nci_i2c_write()
101 	return r;  in nxp_nci_i2c_write()
115 	int r;  in nxp_nci_i2c_fw_read()  local
117 	r = i2c_master_recv(client, (u8 *) &header, NXP_NCI_FW_HDR_LEN);  in nxp_nci_i2c_fw_read()
118 	if (r < 0) {  in nxp_nci_i2c_fw_read()
120 	} else if (r != NXP_NCI_FW_HDR_LEN) {  in nxp_nci_i2c_fw_read()
121 		nfc_err(&client->dev, "Incorrect header length: %u\n", r);  in nxp_nci_i2c_fw_read()
122 		r = -EBADMSG;  in nxp_nci_i2c_fw_read()
131 		r = -ENOMEM;  in nxp_nci_i2c_fw_read()
137 	r = i2c_master_recv(client, skb_put(*skb, frame_len), frame_len);  in nxp_nci_i2c_fw_read()
138 	if (r != frame_len) {  in nxp_nci_i2c_fw_read()
141 			r, frame_len);  in nxp_nci_i2c_fw_read()
142 		r = -EBADMSG;  in nxp_nci_i2c_fw_read()
151 	return r;  in nxp_nci_i2c_fw_read()
159 	int r;  in nxp_nci_i2c_nci_read()  local
161 	r = i2c_master_recv(client, (u8 *) &header, NCI_CTRL_HDR_SIZE);  in nxp_nci_i2c_nci_read()
162 	if (r < 0) {  in nxp_nci_i2c_nci_read()
164 	} else if (r != NCI_CTRL_HDR_SIZE) {  in nxp_nci_i2c_nci_read()
165 		nfc_err(&client->dev, "Incorrect header length: %u\n", r);  in nxp_nci_i2c_nci_read()
166 		r = -EBADMSG;  in nxp_nci_i2c_nci_read()
172 		r = -ENOMEM;  in nxp_nci_i2c_nci_read()
179 	r = i2c_master_recv(client, skb_put(*skb, header.plen), header.plen);  in nxp_nci_i2c_nci_read()
180 	if (r != header.plen) {  in nxp_nci_i2c_nci_read()
183 			r, header.plen);  in nxp_nci_i2c_nci_read()
184 		r = -EBADMSG;  in nxp_nci_i2c_nci_read()
193 	return r;  in nxp_nci_i2c_nci_read()
203 	int r = 0;  in nxp_nci_i2c_irq_thread_fn()  local
225 		r = nxp_nci_i2c_nci_read(phy, &skb);  in nxp_nci_i2c_irq_thread_fn()
228 		r = nxp_nci_i2c_fw_read(phy, &skb);  in nxp_nci_i2c_irq_thread_fn()
231 		r = -EREMOTEIO;  in nxp_nci_i2c_irq_thread_fn()
235 	if (r == -EREMOTEIO) {  in nxp_nci_i2c_irq_thread_fn()
236 		phy->hard_fault = r;  in nxp_nci_i2c_irq_thread_fn()
238 	} else if (r < 0) {  in nxp_nci_i2c_irq_thread_fn()
239 		nfc_err(&client->dev, "Read failed with error %d\n", r);  in nxp_nci_i2c_irq_thread_fn()
268 	int r;  in nxp_nci_i2c_parse_devtree()  local
274 	r = of_get_named_gpio(pp, "enable-gpios", 0);  in nxp_nci_i2c_parse_devtree()
275 	if (r == -EPROBE_DEFER)  in nxp_nci_i2c_parse_devtree()
276 		r = of_get_named_gpio(pp, "enable-gpios", 0);  in nxp_nci_i2c_parse_devtree()
277 	if (r < 0) {  in nxp_nci_i2c_parse_devtree()
278 		nfc_err(&client->dev, "Failed to get EN gpio, error: %d\n", r);  in nxp_nci_i2c_parse_devtree()
279 		return r;  in nxp_nci_i2c_parse_devtree()
281 	phy->gpio_en = r;  in nxp_nci_i2c_parse_devtree()
283 	r = of_get_named_gpio(pp, "firmware-gpios", 0);  in nxp_nci_i2c_parse_devtree()
284 	if (r == -EPROBE_DEFER)  in nxp_nci_i2c_parse_devtree()
285 		r = of_get_named_gpio(pp, "firmware-gpios", 0);  in nxp_nci_i2c_parse_devtree()
286 	if (r < 0) {  in nxp_nci_i2c_parse_devtree()
287 		nfc_err(&client->dev, "Failed to get FW gpio, error: %d\n", r);  in nxp_nci_i2c_parse_devtree()
288 		return r;  in nxp_nci_i2c_parse_devtree()
290 	phy->gpio_fw = r;  in nxp_nci_i2c_parse_devtree()
292 	r = irq_of_parse_and_map(pp, 0);  in nxp_nci_i2c_parse_devtree()
293 	if (r < 0) {  in nxp_nci_i2c_parse_devtree()
294 		nfc_err(&client->dev, "Unable to get irq, error: %d\n", r);  in nxp_nci_i2c_parse_devtree()
295 		return r;  in nxp_nci_i2c_parse_devtree()
297 	client->irq = r;  in nxp_nci_i2c_parse_devtree()
316 	int r;  in nxp_nci_i2c_probe()  local
320 		r = -ENODEV;  in nxp_nci_i2c_probe()
327 		r = -ENOMEM;  in nxp_nci_i2c_probe()
337 		r = nxp_nci_i2c_parse_devtree(client);  in nxp_nci_i2c_probe()
338 		if (r < 0) {  in nxp_nci_i2c_probe()
348 		r = -EINVAL;  in nxp_nci_i2c_probe()
352 	r = devm_gpio_request_one(&phy->i2c_dev->dev, phy->gpio_en,  in nxp_nci_i2c_probe()
354 	if (r < 0)  in nxp_nci_i2c_probe()
357 	r = devm_gpio_request_one(&phy->i2c_dev->dev, phy->gpio_fw,  in nxp_nci_i2c_probe()
359 	if (r < 0)  in nxp_nci_i2c_probe()
362 	r = nxp_nci_probe(phy, &client->dev, &i2c_phy_ops,  in nxp_nci_i2c_probe()
364 	if (r < 0)  in nxp_nci_i2c_probe()
367 	r = request_threaded_irq(client->irq, NULL,  in nxp_nci_i2c_probe()
371 	if (r < 0)  in nxp_nci_i2c_probe()
375 	return r;  in nxp_nci_i2c_probe()