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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/i2c/i2c-dev.c
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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     i2c-dev.c - i2c-bus driver, char device interface
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     Copyright (C) 1998-99 Frodo Looijaard <frodol@dds.nl>
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     Copyright (C) 2003 Greg Kroah-Hartman <greg@kroah.com>
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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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 /* Note that this is a complete rewrite of Simon Vogl's i2c-dev module.
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@@ -23,6 +15,7 @@
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 /* The I2C_RDWR ioctl code is written by Kolja Waschk <waschk@telos.de> */
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 #include <linux/cdev.h>
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+#include <linux/compat.h>
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 #include <linux/device.h>
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 #include <linux/fs.h>
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 #include <linux/i2c-dev.h>
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@@ -35,7 +28,6 @@
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 #include <linux/notifier.h>
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 #include <linux/slab.h>
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 #include <linux/uaccess.h>
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-#include <linux/compat.h>
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 /*
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  * An i2c_dev represents an i2c_adapter ... an I2C or SMBus master, not a
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@@ -52,7 +44,7 @@
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 	struct cdev cdev;
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 };
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-#define I2C_MINORS	MINORMASK
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+#define I2C_MINORS	(MINORMASK + 1)
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 static LIST_HEAD(i2c_dev_list);
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 static DEFINE_SPINLOCK(i2c_dev_list_lock);
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@@ -778,8 +770,8 @@
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 	unregister_chrdev_region(MKDEV(I2C_MAJOR, 0), I2C_MINORS);
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 }
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-MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl> and "
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-		"Simon G. Vogl <simon@tk.uni-linz.ac.at>");
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+MODULE_AUTHOR("Frodo Looijaard <frodol@dds.nl>");
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+MODULE_AUTHOR("Simon G. Vogl <simon@tk.uni-linz.ac.at>");
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 MODULE_DESCRIPTION("I2C /dev entries driver");
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 MODULE_LICENSE("GPL");
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