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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/drivers/nfc/pn533/i2c.c
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..
@@ -1,23 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Driver for NXP PN533 NFC Chip - I2C transport layer
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  *
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  * Copyright (C) 2011 Instituto Nokia de Tecnologia
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  * Copyright (C) 2012-2013 Tieto Poland
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  * Copyright (C) 2016 HALE electronic
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- *
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published by
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- * the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- *
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- * You should have received a copy of the GNU General Public License
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- * along with this program; if not, see <http://www.gnu.org/licenses/>.
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  */
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9
 
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 #include <linux/device.h>
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..
@@ -206,12 +193,10 @@
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 	phy->i2c_dev = client;
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 	i2c_set_clientdata(client, phy);
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195
 
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-	priv = pn533_register_device(PN533_DEVICE_PN532,
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-				     PN533_NO_TYPE_B_PROTOCOLS,
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-				     PN533_PROTO_REQ_ACK_RESP,
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-				     phy, &i2c_phy_ops, NULL,
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-				     &phy->i2c_dev->dev,
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-				     &client->dev);
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+	priv = pn53x_common_init(PN533_DEVICE_PN532,
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+				PN533_PROTO_REQ_ACK_RESP,
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+				phy, &i2c_phy_ops, NULL,
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+				&phy->i2c_dev->dev);
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200
 
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 	if (IS_ERR(priv)) {
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 		r = PTR_ERR(priv);
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@@ -219,6 +204,9 @@
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 	}
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 	phy->priv = priv;
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+	r = pn532_i2c_nfc_alloc(priv, PN533_NO_TYPE_B_PROTOCOLS, &client->dev);
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+	if (r)
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+		goto nfc_alloc_err;
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210
 
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 	r = request_threaded_irq(client->irq, NULL, pn533_i2c_irq_thread_fn,
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 				IRQF_TRIGGER_FALLING |
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@@ -233,13 +221,20 @@
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 	if (r)
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 		goto fn_setup_err;
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-	return 0;
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+	r = nfc_register_device(priv->nfc_dev);
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+	if (r)
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+		goto fn_setup_err;
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+
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+	return r;
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 fn_setup_err:
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 	free_irq(client->irq, phy);
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232
 
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 irq_rqst_err:
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-	pn533_unregister_device(phy->priv);
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+	nfc_free_device(priv->nfc_dev);
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+
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+nfc_alloc_err:
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+	pn53x_common_clean(phy->priv);
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238
 
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 	return r;
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 }
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@@ -252,12 +247,18 @@
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247
 
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 	free_irq(client->irq, phy);
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249
 
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-	pn533_unregister_device(phy->priv);
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+	pn53x_unregister_nfc(phy->priv);
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+	pn53x_common_clean(phy->priv);
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252
 
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 	return 0;
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 }
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255
 
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 static const struct of_device_id of_pn533_i2c_match[] = {
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+	{ .compatible = "nxp,pn532", },
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+	/*
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+	 * NOTE: The use of the compatibles with the trailing "...-i2c" is
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+	 * deprecated and will be removed.
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+	 */
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 	{ .compatible = "nxp,pn533-i2c", },
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 	{ .compatible = "nxp,pn532-i2c", },
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 	{},
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@@ -273,7 +274,6 @@
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 static struct i2c_driver pn533_i2c_driver = {
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 	.driver = {
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 		   .name = PN533_I2C_DRIVER_NAME,
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-		   .owner = THIS_MODULE,
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 		   .of_match_table = of_match_ptr(of_pn533_i2c_match),
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 		  },
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 	.probe = pn533_i2c_probe,