78 	int r;  in nxp_nci_i2c_write()  local
85 	r = i2c_master_send(client, skb->data, skb->len);  in nxp_nci_i2c_write()
86 	if (r < 0) {  in nxp_nci_i2c_write()
89 		r = i2c_master_send(client, skb->data, skb->len);  in nxp_nci_i2c_write()
92 	if (r < 0) {  in nxp_nci_i2c_write()
93 		nfc_err(&client->dev, "Error %d on I2C send\n", r);  in nxp_nci_i2c_write()
94 	} else if (r != skb->len) {  in nxp_nci_i2c_write()
97 			r, skb->len);  in nxp_nci_i2c_write()
98 		r = -EREMOTEIO;  in nxp_nci_i2c_write()
101 		r = 0;  in nxp_nci_i2c_write()
104 	return r;  in nxp_nci_i2c_write()
118 	int r;  in nxp_nci_i2c_fw_read()  local
120 	r = i2c_master_recv(client, (u8 *) &header, NXP_NCI_FW_HDR_LEN);  in nxp_nci_i2c_fw_read()
121 	if (r < 0) {  in nxp_nci_i2c_fw_read()
123 	} else if (r != NXP_NCI_FW_HDR_LEN) {  in nxp_nci_i2c_fw_read()
124 		nfc_err(&client->dev, "Incorrect header length: %u\n", r);  in nxp_nci_i2c_fw_read()
125 		r = -EBADMSG;  in nxp_nci_i2c_fw_read()
134 		r = -ENOMEM;  in nxp_nci_i2c_fw_read()
140 	r = i2c_master_recv(client, skb_put(*skb, frame_len), frame_len);  in nxp_nci_i2c_fw_read()
141 	if (r != frame_len) {  in nxp_nci_i2c_fw_read()
144 			r, frame_len);  in nxp_nci_i2c_fw_read()
145 		r = -EBADMSG;  in nxp_nci_i2c_fw_read()
154 	return r;  in nxp_nci_i2c_fw_read()
162 	int r;  in nxp_nci_i2c_nci_read()  local
164 	r = i2c_master_recv(client, (u8 *) &header, NCI_CTRL_HDR_SIZE);  in nxp_nci_i2c_nci_read()
165 	if (r < 0) {  in nxp_nci_i2c_nci_read()
167 	} else if (r != NCI_CTRL_HDR_SIZE) {  in nxp_nci_i2c_nci_read()
168 		nfc_err(&client->dev, "Incorrect header length: %u\n", r);  in nxp_nci_i2c_nci_read()
169 		r = -EBADMSG;  in nxp_nci_i2c_nci_read()
175 		r = -ENOMEM;  in nxp_nci_i2c_nci_read()
181 	r = i2c_master_recv(client, skb_put(*skb, header.plen), header.plen);  in nxp_nci_i2c_nci_read()
182 	if (r != header.plen) {  in nxp_nci_i2c_nci_read()
185 			r, header.plen);  in nxp_nci_i2c_nci_read()
186 		r = -EBADMSG;  in nxp_nci_i2c_nci_read()
195 	return r;  in nxp_nci_i2c_nci_read()
205 	int r = 0;  in nxp_nci_i2c_irq_thread_fn()  local
227 		r = nxp_nci_i2c_nci_read(phy, &skb);  in nxp_nci_i2c_irq_thread_fn()
230 		r = nxp_nci_i2c_fw_read(phy, &skb);  in nxp_nci_i2c_irq_thread_fn()
233 		r = -EREMOTEIO;  in nxp_nci_i2c_irq_thread_fn()
237 	if (r == -EREMOTEIO) {  in nxp_nci_i2c_irq_thread_fn()
238 		phy->hard_fault = r;  in nxp_nci_i2c_irq_thread_fn()
240 	} else if (r < 0) {  in nxp_nci_i2c_irq_thread_fn()
241 		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()
319 	int r;  in nxp_nci_i2c_probe()  local
323 		r = -ENODEV;  in nxp_nci_i2c_probe()
330 		r = -ENOMEM;  in nxp_nci_i2c_probe()
340 		r = nxp_nci_i2c_parse_devtree(client);  in nxp_nci_i2c_probe()
341 		if (r < 0) {  in nxp_nci_i2c_probe()
349 		r = nxp_nci_i2c_acpi_config(phy);  in nxp_nci_i2c_probe()
350 		if (r < 0)  in nxp_nci_i2c_probe()
355 		r = -EINVAL;  in nxp_nci_i2c_probe()
359 	r = devm_gpio_request_one(&phy->i2c_dev->dev, phy->gpio_en,  in nxp_nci_i2c_probe()
361 	if (r < 0)  in nxp_nci_i2c_probe()
364 	r = devm_gpio_request_one(&phy->i2c_dev->dev, phy->gpio_fw,  in nxp_nci_i2c_probe()
366 	if (r < 0)  in nxp_nci_i2c_probe()
370 	r = nxp_nci_probe(phy, &client->dev, &i2c_phy_ops,  in nxp_nci_i2c_probe()
372 	if (r < 0)  in nxp_nci_i2c_probe()
375 	r = request_threaded_irq(client->irq, NULL,  in nxp_nci_i2c_probe()
379 	if (r < 0)  in nxp_nci_i2c_probe()
383 	return r;  in nxp_nci_i2c_probe()