From ea08eeccae9297f7aabd2ef7f0c2517ac4549acc Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:18:26 +0000
Subject: [PATCH] write in 30M
---
kernel/drivers/mfd/htc-i2cpld.c | 44 ++++++++------------------------------------
1 files changed, 8 insertions(+), 36 deletions(-)
diff --git a/kernel/drivers/mfd/htc-i2cpld.c b/kernel/drivers/mfd/htc-i2cpld.c
index 01572b5..417b035 100644
--- a/kernel/drivers/mfd/htc-i2cpld.c
+++ b/kernel/drivers/mfd/htc-i2cpld.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* htc-i2cpld.c
* Chip driver for an unknown CPLD chip found on omap850 HTC devices like
@@ -9,25 +10,10 @@
*
* Based on work done in the linwizard project
* Copyright (C) 2008-2009 Angelo Arrifano <miknix@gmail.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/kernel.h>
#include <linux/init.h>
-#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/platform_device.h>
#include <linux/i2c.h>
@@ -360,6 +346,7 @@
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_READ_BYTE_DATA)) {
dev_warn(dev, "i2c adapter %d non-functional\n",
pdata->i2c_adapter_id);
+ i2c_put_adapter(adapter);
return -EINVAL;
}
@@ -369,12 +356,13 @@
info.platform_data = chip;
/* Add the I2C device. This calls the probe() function. */
- client = i2c_new_device(adapter, &info);
- if (!client) {
+ client = i2c_new_client_device(adapter, &info);
+ if (IS_ERR(client)) {
/* I2C device registration failed, contineu with the next */
dev_warn(dev, "Unable to add I2C device for 0x%x\n",
plat_chip_data->addr);
- return -ENODEV;
+ i2c_put_adapter(adapter);
+ return PTR_ERR(client);
}
i2c_set_clientdata(client, chip);
@@ -399,8 +387,7 @@
htcpld = platform_get_drvdata(pdev);
chip = &htcpld->chip[chip_index];
- if (chip->client)
- i2c_unregister_device(chip->client);
+ i2c_unregister_device(chip->client);
}
static int htcpld_register_chip_gpio(
@@ -614,8 +601,6 @@
{ "htcpld-chip", 0 },
{ }
};
-MODULE_DEVICE_TABLE(i2c, htcpld_chip_id);
-
static struct i2c_driver htcpld_chip_driver = {
.driver = {
@@ -643,17 +628,4 @@
/* Probe for our chips */
return platform_driver_probe(&htcpld_core_driver, htcpld_core_probe);
}
-
-static void __exit htcpld_core_exit(void)
-{
- i2c_del_driver(&htcpld_chip_driver);
- platform_driver_unregister(&htcpld_core_driver);
-}
-
-module_init(htcpld_core_init);
-module_exit(htcpld_core_exit);
-
-MODULE_AUTHOR("Cory Maccarrone <darkstar6262@gmail.com>");
-MODULE_DESCRIPTION("I2C HTC PLD Driver");
-MODULE_LICENSE("GPL");
-
+device_initcall(htcpld_core_init);
--
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