99 	struct i2c_client *client = phy->i2c_dev;  in st21nfcb_nci_i2c_write()  local
106 	r = i2c_master_send(client, skb->data, skb->len);  in st21nfcb_nci_i2c_write()
109 		r = i2c_master_send(client, skb->data, skb->len);  in st21nfcb_nci_i2c_write()
141 	struct i2c_client *client = phy->i2c_dev;  in st21nfcb_nci_i2c_read()  local
143 	r = i2c_master_recv(client, buf, ST21NFCB_NCI_I2C_MIN_SIZE);  in st21nfcb_nci_i2c_read()
146 		r = i2c_master_recv(client, buf, ST21NFCB_NCI_I2C_MIN_SIZE);  in st21nfcb_nci_i2c_read()
154 		nfc_err(&client->dev, "invalid frame len\n");  in st21nfcb_nci_i2c_read()
169 	r = i2c_master_recv(client, buf, len);  in st21nfcb_nci_i2c_read()
191 	struct i2c_client *client;  in st21nfcb_nci_irq_thread_fn()  local
200 	client = phy->i2c_dev;  in st21nfcb_nci_irq_thread_fn()
201 	dev_dbg(&client->dev, "IRQ\n");  in st21nfcb_nci_irq_thread_fn()
227 static int st21nfcb_nci_i2c_of_request_resources(struct i2c_client *client)  in st21nfcb_nci_i2c_of_request_resources()  argument
229 	struct st21nfcb_i2c_phy *phy = i2c_get_clientdata(client);  in st21nfcb_nci_i2c_of_request_resources()
234 	pp = client->dev.of_node;  in st21nfcb_nci_i2c_of_request_resources()
241 		nfc_err(&client->dev,  in st21nfcb_nci_i2c_of_request_resources()
247 	r = devm_gpio_request_one(&client->dev, gpio,  in st21nfcb_nci_i2c_of_request_resources()
250 		nfc_err(&client->dev, "Failed to request reset pin\n");  in st21nfcb_nci_i2c_of_request_resources()
255 	phy->irq_polarity = irq_get_trigger_type(client->irq);  in st21nfcb_nci_i2c_of_request_resources()
260 static int st21nfcb_nci_i2c_of_request_resources(struct i2c_client *client)  in st21nfcb_nci_i2c_of_request_resources()  argument
266 static int st21nfcb_nci_i2c_request_resources(struct i2c_client *client)  in st21nfcb_nci_i2c_request_resources()  argument
269 	struct st21nfcb_i2c_phy *phy = i2c_get_clientdata(client);  in st21nfcb_nci_i2c_request_resources()
272 	pdata = client->dev.platform_data;  in st21nfcb_nci_i2c_request_resources()
274 		nfc_err(&client->dev, "No platform data\n");  in st21nfcb_nci_i2c_request_resources()
282 	r = devm_gpio_request_one(&client->dev,  in st21nfcb_nci_i2c_request_resources()
292 static int st21nfcb_nci_i2c_probe(struct i2c_client *client,  in st21nfcb_nci_i2c_probe()  argument
299 	dev_dbg(&client->dev, "%s\n", __func__);  in st21nfcb_nci_i2c_probe()
300 	dev_dbg(&client->dev, "IRQ: %d\n", client->irq);  in st21nfcb_nci_i2c_probe()
302 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C)) {  in st21nfcb_nci_i2c_probe()
303 		nfc_err(&client->dev, "Need I2C_FUNC_I2C\n");  in st21nfcb_nci_i2c_probe()
307 	phy = devm_kzalloc(&client->dev, sizeof(struct st21nfcb_i2c_phy),  in st21nfcb_nci_i2c_probe()
312 	phy->i2c_dev = client;  in st21nfcb_nci_i2c_probe()
314 	i2c_set_clientdata(client, phy);  in st21nfcb_nci_i2c_probe()
316 	pdata = client->dev.platform_data;  in st21nfcb_nci_i2c_probe()
317 	if (!pdata && client->dev.of_node) {  in st21nfcb_nci_i2c_probe()
318 		r = st21nfcb_nci_i2c_of_request_resources(client);  in st21nfcb_nci_i2c_probe()
320 			nfc_err(&client->dev, "No platform data\n");  in st21nfcb_nci_i2c_probe()
324 		r = st21nfcb_nci_i2c_request_resources(client);  in st21nfcb_nci_i2c_probe()
326 			nfc_err(&client->dev,  in st21nfcb_nci_i2c_probe()
331 		nfc_err(&client->dev,  in st21nfcb_nci_i2c_probe()
336 	r = ndlc_probe(phy, &i2c_phy_ops, &client->dev,  in st21nfcb_nci_i2c_probe()
340 		nfc_err(&client->dev, "Unable to register ndlc layer\n");  in st21nfcb_nci_i2c_probe()
344 	r = devm_request_threaded_irq(&client->dev, client->irq, NULL,  in st21nfcb_nci_i2c_probe()
349 		nfc_err(&client->dev, "Unable to register IRQ handler\n");  in st21nfcb_nci_i2c_probe()
354 static int st21nfcb_nci_i2c_remove(struct i2c_client *client)  in st21nfcb_nci_i2c_remove()  argument
356 	struct st21nfcb_i2c_phy *phy = i2c_get_clientdata(client);  in st21nfcb_nci_i2c_remove()
358 	dev_dbg(&client->dev, "%s\n", __func__);  in st21nfcb_nci_i2c_remove()