add driver 5G

hc

2024-01-31 f9004dbfff8a3fbbd7e2a88c8a4327c7f2f8e5b2

 kernel/drivers/i2c/busses/i2c-cht-wc.c
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@@ -1,19 +1,10 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * Intel CHT Whiskey Cove PMIC I2C Master driver
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  * Copyright (C) 2017 Hans de Goede <hdegoede@redhat.com>
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  *
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  * Based on various non upstream patches to support the CHT Whiskey Cove PMIC:
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  * Copyright (C) 2011 - 2014 Intel Corporation. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or
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- * modify it under the terms of the GNU General Public License version
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- * 2 as published by the Free Software Foundation, or (at your option)
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- * 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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 #include <linux/acpi.h>
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@@ -323,10 +314,8 @@
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 	int ret, reg, irq;
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 	irq = platform_get_irq(pdev, 0);
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-	if (irq < 0) {
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-		dev_err(&pdev->dev, "Error missing irq resource\n");
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-		return -EINVAL;
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-	}
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+	if (irq < 0)
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+		return irq;
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 	adap = devm_kzalloc(&pdev->dev, sizeof(*adap), GFP_KERNEL);
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 	if (!adap)
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@@ -397,9 +386,9 @@
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 	 */
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 	if (acpi_dev_present("INT33FE", NULL, -1)) {
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 		board_info.irq = adap->client_irq;
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-		adap->client = i2c_new_device(&adap->adapter, &board_info);
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-		if (!adap->client) {
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-			ret = -ENOMEM;
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+		adap->client = i2c_new_client_device(&adap->adapter, &board_info);
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+		if (IS_ERR(adap->client)) {
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+			ret = PTR_ERR(adap->client);
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 			goto del_adapter;
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 		}
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 	}
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@@ -418,8 +407,7 @@
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 {
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 	struct cht_wc_i2c_adap *adap = platform_get_drvdata(pdev);
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-	if (adap->client)
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-		i2c_unregister_device(adap->client);
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+	i2c_unregister_device(adap->client);
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 	i2c_del_adapter(&adap->adapter);
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 	irq_domain_remove(adap->irq_domain);
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