39 static int nfcmrvl_i2c_read(struct nfcmrvl_i2c_drv_data *drv_data,  in nfcmrvl_i2c_read()  argument
46 	ret = i2c_master_recv(drv_data->i2c, (u8 *)&nci_hdr, NCI_CTRL_HDR_SIZE);  in nfcmrvl_i2c_read()
48 		nfc_err(&drv_data->i2c->dev, "cannot read NCI header\n");  in nfcmrvl_i2c_read()
53 		nfc_err(&drv_data->i2c->dev, "invalid packet payload size\n");  in nfcmrvl_i2c_read()
57 	*skb = nci_skb_alloc(drv_data->priv->ndev,  in nfcmrvl_i2c_read()
67 		ret = i2c_master_recv(drv_data->i2c,  in nfcmrvl_i2c_read()
72 			nfc_err(&drv_data->i2c->dev,  in nfcmrvl_i2c_read()
85 	struct nfcmrvl_i2c_drv_data *drv_data = drv_data_ptr;  in nfcmrvl_i2c_int_irq_thread_fn()  local
89 	if (!drv_data->priv)  in nfcmrvl_i2c_int_irq_thread_fn()
92 	if (test_bit(NFCMRVL_PHY_ERROR, &drv_data->priv->flags))  in nfcmrvl_i2c_int_irq_thread_fn()
95 	ret = nfcmrvl_i2c_read(drv_data, &skb);  in nfcmrvl_i2c_int_irq_thread_fn()
99 		set_bit(NFCMRVL_PHY_ERROR, &drv_data->priv->flags);  in nfcmrvl_i2c_int_irq_thread_fn()
103 		nfc_err(&drv_data->i2c->dev, "read failed %d\n", ret);  in nfcmrvl_i2c_int_irq_thread_fn()
106 		if (nfcmrvl_nci_recv_frame(drv_data->priv, skb) < 0)  in nfcmrvl_i2c_int_irq_thread_fn()
107 			nfc_err(&drv_data->i2c->dev, "corrupted RX packet\n");  in nfcmrvl_i2c_int_irq_thread_fn()
115 	struct nfcmrvl_i2c_drv_data *drv_data = priv->drv_data;  in nfcmrvl_i2c_nci_open()  local
117 	if (!drv_data)  in nfcmrvl_i2c_nci_open()
131 	struct nfcmrvl_i2c_drv_data *drv_data = priv->drv_data;  in nfcmrvl_i2c_nci_send()  local
137 	ret = i2c_master_send(drv_data->i2c, skb->data, skb->len);  in nfcmrvl_i2c_nci_send()
141 		nfc_info(drv_data->dev, "chip may sleep, retry\n");  in nfcmrvl_i2c_nci_send()
143 		ret = i2c_master_send(drv_data->i2c, skb->data, skb->len);  in nfcmrvl_i2c_nci_send()
148 			nfc_err(drv_data->dev,  in nfcmrvl_i2c_nci_send()
201 	struct nfcmrvl_i2c_drv_data *drv_data;  in nfcmrvl_i2c_probe()  local
211 	drv_data = devm_kzalloc(&client->dev, sizeof(*drv_data), GFP_KERNEL);  in nfcmrvl_i2c_probe()
212 	if (!drv_data)  in nfcmrvl_i2c_probe()
215 	drv_data->i2c = client;  in nfcmrvl_i2c_probe()
216 	drv_data->dev = &client->dev;  in nfcmrvl_i2c_probe()
217 	drv_data->priv = NULL;  in nfcmrvl_i2c_probe()
219 	i2c_set_clientdata(client, drv_data);  in nfcmrvl_i2c_probe()
231 	ret = devm_request_threaded_irq(&drv_data->i2c->dev, pdata->irq,  in nfcmrvl_i2c_probe()
234 					"nfcmrvl_i2c_int", drv_data);  in nfcmrvl_i2c_probe()
236 		nfc_err(&drv_data->i2c->dev,  in nfcmrvl_i2c_probe()
241 	drv_data->priv = nfcmrvl_nci_register_dev(NFCMRVL_PHY_I2C,  in nfcmrvl_i2c_probe()
242 						  drv_data, &i2c_ops,  in nfcmrvl_i2c_probe()
243 						  &drv_data->i2c->dev, pdata);  in nfcmrvl_i2c_probe()
245 	if (IS_ERR(drv_data->priv))  in nfcmrvl_i2c_probe()
246 		return PTR_ERR(drv_data->priv);  in nfcmrvl_i2c_probe()
248 	drv_data->priv->support_fw_dnld = true;  in nfcmrvl_i2c_probe()
255 	struct nfcmrvl_i2c_drv_data *drv_data = i2c_get_clientdata(client);  in nfcmrvl_i2c_remove()  local
257 	nfcmrvl_nci_unregister_dev(drv_data->priv);  in nfcmrvl_i2c_remove()