80 	int r;  in nxp_nci_i2c_write()  local
87 	r = i2c_master_send(client, skb->data, skb->len);  in nxp_nci_i2c_write()
88 	if (r == -EREMOTEIO) {  in nxp_nci_i2c_write()
91 		r = i2c_master_send(client, skb->data, skb->len);  in nxp_nci_i2c_write()
94 	if (r < 0) {  in nxp_nci_i2c_write()
95 		nfc_err(&client->dev, "Error %d on I2C send\n", r);  in nxp_nci_i2c_write()
96 	} else if (r != skb->len) {  in nxp_nci_i2c_write()
99 			r, skb->len);  in nxp_nci_i2c_write()
100 		r = -EREMOTEIO;  in nxp_nci_i2c_write()
103 		r = 0;  in nxp_nci_i2c_write()
106 	return r;  in nxp_nci_i2c_write()
120 	int r;  in nxp_nci_i2c_fw_read()  local
122 	r = i2c_master_recv(client, (u8 *) &header, NXP_NCI_FW_HDR_LEN);  in nxp_nci_i2c_fw_read()
123 	if (r < 0) {  in nxp_nci_i2c_fw_read()
125 	} else if (r != NXP_NCI_FW_HDR_LEN) {  in nxp_nci_i2c_fw_read()
126 		nfc_err(&client->dev, "Incorrect header length: %u\n", r);  in nxp_nci_i2c_fw_read()
127 		r = -EBADMSG;  in nxp_nci_i2c_fw_read()
136 		r = -ENOMEM;  in nxp_nci_i2c_fw_read()
142 	r = i2c_master_recv(client, skb_put(*skb, frame_len), frame_len);  in nxp_nci_i2c_fw_read()
143 	if (r != frame_len) {  in nxp_nci_i2c_fw_read()
146 			r, frame_len);  in nxp_nci_i2c_fw_read()
147 		r = -EBADMSG;  in nxp_nci_i2c_fw_read()
156 	return r;  in nxp_nci_i2c_fw_read()
164 	int r;  in nxp_nci_i2c_nci_read()  local
166 	r = i2c_master_recv(client, (u8 *) &header, NCI_CTRL_HDR_SIZE);  in nxp_nci_i2c_nci_read()
167 	if (r < 0) {  in nxp_nci_i2c_nci_read()
169 	} else if (r != NCI_CTRL_HDR_SIZE) {  in nxp_nci_i2c_nci_read()
170 		nfc_err(&client->dev, "Incorrect header length: %u\n", r);  in nxp_nci_i2c_nci_read()
171 		r = -EBADMSG;  in nxp_nci_i2c_nci_read()
177 		r = -ENOMEM;  in nxp_nci_i2c_nci_read()
184 	r = i2c_master_recv(client, skb_put(*skb, header.plen), header.plen);  in nxp_nci_i2c_nci_read()
185 	if (r != header.plen) {  in nxp_nci_i2c_nci_read()
188 			r, header.plen);  in nxp_nci_i2c_nci_read()
189 		r = -EBADMSG;  in nxp_nci_i2c_nci_read()
198 	return r;  in nxp_nci_i2c_nci_read()
208 	int r = 0;  in nxp_nci_i2c_irq_thread_fn()  local
230 		r = nxp_nci_i2c_nci_read(phy, &skb);  in nxp_nci_i2c_irq_thread_fn()
233 		r = nxp_nci_i2c_fw_read(phy, &skb);  in nxp_nci_i2c_irq_thread_fn()
236 		r = -EREMOTEIO;  in nxp_nci_i2c_irq_thread_fn()
240 	if (r == -EREMOTEIO) {  in nxp_nci_i2c_irq_thread_fn()
241 		phy->hard_fault = r;  in nxp_nci_i2c_irq_thread_fn()
243 	} else if (r < 0) {  in nxp_nci_i2c_irq_thread_fn()
244 		nfc_err(&client->dev, "Read failed with error %d\n", r);  in nxp_nci_i2c_irq_thread_fn()
273 	int r;  in nxp_nci_i2c_parse_devtree()  local
279 	r = of_get_named_gpio(pp, "enable-gpios", 0);  in nxp_nci_i2c_parse_devtree()
280 	if (r == -EPROBE_DEFER)  in nxp_nci_i2c_parse_devtree()
281 		r = of_get_named_gpio(pp, "enable-gpios", 0);  in nxp_nci_i2c_parse_devtree()
282 	if (r < 0) {  in nxp_nci_i2c_parse_devtree()
283 		nfc_err(&client->dev, "Failed to get EN gpio, error: %d\n", r);  in nxp_nci_i2c_parse_devtree()
284 		return r;  in nxp_nci_i2c_parse_devtree()
286 	phy->gpio_en = r;  in nxp_nci_i2c_parse_devtree()
288 	r = of_get_named_gpio(pp, "firmware-gpios", 0);  in nxp_nci_i2c_parse_devtree()
289 	if (r == -EPROBE_DEFER)  in nxp_nci_i2c_parse_devtree()
290 		r = of_get_named_gpio(pp, "firmware-gpios", 0);  in nxp_nci_i2c_parse_devtree()
291 	if (r < 0) {  in nxp_nci_i2c_parse_devtree()
292 		nfc_err(&client->dev, "Failed to get FW gpio, error: %d\n", r);  in nxp_nci_i2c_parse_devtree()
293 		return r;  in nxp_nci_i2c_parse_devtree()
295 	phy->gpio_fw = r;  in nxp_nci_i2c_parse_devtree()
297 	r = irq_of_parse_and_map(pp, 0);  in nxp_nci_i2c_parse_devtree()
298 	if (r < 0) {  in nxp_nci_i2c_parse_devtree()
299 		nfc_err(&client->dev, "Unable to get irq, error: %d\n", r);  in nxp_nci_i2c_parse_devtree()
300 		return r;  in nxp_nci_i2c_parse_devtree()
302 	client->irq = r;  in nxp_nci_i2c_parse_devtree()
348 	int r;  in nxp_nci_i2c_probe()  local
352 		r = -ENODEV;  in nxp_nci_i2c_probe()
359 		r = -ENOMEM;  in nxp_nci_i2c_probe()
369 		r = nxp_nci_i2c_parse_devtree(client);  in nxp_nci_i2c_probe()
370 		if (r < 0) {  in nxp_nci_i2c_probe()
379 		r = nxp_nci_i2c_acpi_config(phy);  in nxp_nci_i2c_probe()
380 		if (r < 0)  in nxp_nci_i2c_probe()
385 		r = -EINVAL;  in nxp_nci_i2c_probe()
389 	r = devm_gpio_request_one(&phy->i2c_dev->dev, phy->gpio_en,  in nxp_nci_i2c_probe()
391 	if (r < 0)  in nxp_nci_i2c_probe()
394 	r = devm_gpio_request_one(&phy->i2c_dev->dev, phy->gpio_fw,  in nxp_nci_i2c_probe()
396 	if (r < 0)  in nxp_nci_i2c_probe()
400 	r = nxp_nci_probe(phy, &client->dev, &i2c_phy_ops,  in nxp_nci_i2c_probe()
402 	if (r < 0)  in nxp_nci_i2c_probe()
405 	r = request_threaded_irq(client->irq, NULL,  in nxp_nci_i2c_probe()
409 	if (r < 0)  in nxp_nci_i2c_probe()
413 	return r;  in nxp_nci_i2c_probe()