diff options
Diffstat (limited to 'drivers/nfc/microread/i2c.c')
| -rw-r--r-- | drivers/nfc/microread/i2c.c | 32 |
1 files changed, 7 insertions, 25 deletions
diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c index b668b7b9a61e..113b2e306e35 100644 --- a/drivers/nfc/microread/i2c.c +++ b/drivers/nfc/microread/i2c.c @@ -1,19 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HCI based Driver for Inside Secure microread NFC Chip - i2c layer * * Copyright (C) 2013 Intel Corporation. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -84,7 +73,7 @@ static void microread_i2c_remove_len_crc(struct sk_buff *skb) skb_trim(skb, MICROREAD_I2C_FRAME_TAILROOM); } -static int check_crc(struct sk_buff *skb) +static int check_crc(const struct sk_buff *skb) { int i; u8 crc = 0; @@ -236,20 +225,17 @@ static irqreturn_t microread_i2c_irq_thread_fn(int irq, void *phy_id) return IRQ_HANDLED; } -static struct nfc_phy_ops i2c_phy_ops = { +static const struct nfc_phy_ops i2c_phy_ops = { .write = microread_i2c_write, .enable = microread_i2c_enable, .disable = microread_i2c_disable, }; -static int microread_i2c_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int microread_i2c_probe(struct i2c_client *client) { struct microread_i2c_phy *phy; int r; - dev_dbg(&client->dev, "client %p\n", client); - phy = devm_kzalloc(&client->dev, sizeof(struct microread_i2c_phy), GFP_KERNEL); if (!phy) @@ -273,8 +259,6 @@ static int microread_i2c_probe(struct i2c_client *client, if (r < 0) goto err_irq; - nfc_info(&client->dev, "Probed\n"); - return 0; err_irq: @@ -283,19 +267,17 @@ err_irq: return r; } -static int microread_i2c_remove(struct i2c_client *client) +static void microread_i2c_remove(struct i2c_client *client) { struct microread_i2c_phy *phy = i2c_get_clientdata(client); microread_remove(phy->hdev); free_irq(client->irq, phy); - - return 0; } -static struct i2c_device_id microread_i2c_id[] = { - { MICROREAD_I2C_DRIVER_NAME, 0}, +static const struct i2c_device_id microread_i2c_id[] = { + { MICROREAD_I2C_DRIVER_NAME }, { } }; MODULE_DEVICE_TABLE(i2c, microread_i2c_id); |