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mfd: max8997: Make it explicitly non-modular

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The Kconfig currently controlling compilation of this code is:

drivers/mfd/Kconfig:config MFD_MAX8997
drivers/mfd/Kconfig:    bool "Maxim Semiconductor MAX8997/8966 PMIC Support"

...meaning that it currently is not being built as a module by anyone.

Lets remove the modular code that is essentially orphaned, so that
when reading the driver there is no doubt it is builtin-only.

We explicitly disallow a driver unbind, since that doesn't have a
sensible use case anyway, and it allows us to drop the ".remove"
code for non-modular drivers.

Since module_init was not in use by this code, the init ordering
remains unchanged with this commit.

Also note that MODULE_DEVICE_TABLE is a no-op for non-modular code.

We also delete the MODULE_LICENSE tag etc. since all that information
is already contained at the top of the file in the comments.

Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Paul Gortmaker 2016-06-02 20:39:47 -04:00 committed by Lee Jones
parent b9e38338e4
commit 9cf0c21f40
1 changed files with 3 additions and 27 deletions
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30
drivers/mfd/max8997.c
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@ -2,7 +2,7 @@
* max8997.c - mfd core driver for the Maxim 8966 and 8997
*
* Copyright (C) 2011 Samsung Electronics
* MyungJoo Ham <myungjoo.ham@smasung.com>
* MyungJoo Ham <myungjoo.ham@samsung.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
@ -28,7 +28,7 @@
#include <linux/of_irq.h>
#include <linux/interrupt.h>
#include <linux/pm_runtime.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/mutex.h>
#include <linux/mfd/core.h>
#include <linux/mfd/max8997.h>
@ -55,7 +55,6 @@ static const struct of_device_id max8997_pmic_dt_match[] = {
{ .compatible = "maxim,max8997-pmic", .data = (void *)TYPE_MAX8997 },
{},
};
MODULE_DEVICE_TABLE(of, max8997_pmic_dt_match);
#endif
int max8997_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest)
@ -263,24 +262,11 @@ static int max8997_i2c_probe(struct i2c_client *i2c,
return ret;
}
static int max8997_i2c_remove(struct i2c_client *i2c)
{
struct max8997_dev *max8997 = i2c_get_clientdata(i2c);
mfd_remove_devices(max8997->dev);
i2c_unregister_device(max8997->muic);
i2c_unregister_device(max8997->haptic);
i2c_unregister_device(max8997->rtc);
return 0;
}
static const struct i2c_device_id max8997_i2c_id[] = {
{ "max8997", TYPE_MAX8997 },
{ "max8966", TYPE_MAX8966 },
{ }
};
MODULE_DEVICE_TABLE(i2c, max8998_i2c_id);
static u8 max8997_dumpaddr_pmic[] = {
MAX8997_REG_INT1MSK,
@ -510,10 +496,10 @@ static struct i2c_driver max8997_i2c_driver = {
.driver = {
.name = "max8997",
.pm = &max8997_pm,
.suppress_bind_attrs = true,
.of_match_table = of_match_ptr(max8997_pmic_dt_match),
},
.probe = max8997_i2c_probe,
.remove = max8997_i2c_remove,
.id_table = max8997_i2c_id,
};
@ -523,13 +509,3 @@ static int __init max8997_i2c_init(void)
}
/* init early so consumer devices can complete system boot */
subsys_initcall(max8997_i2c_init);
static void __exit max8997_i2c_exit(void)
{
i2c_del_driver(&max8997_i2c_driver);
}
module_exit(max8997_i2c_exit);
MODULE_DESCRIPTION("MAXIM 8997 multi-function core driver");
MODULE_AUTHOR("MyungJoo Ham <myungjoo.ham@samsung.com>");
MODULE_LICENSE("GPL");