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mfd: ab8500-core: Make it explicitly non-modular

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The Kconfig currently controlling compilation of this code is:

drivers/mfd/Kconfig:config AB8500_CORE
drivers/mfd/Kconfig:    bool "ST-Ericsson AB8500 Mixed Signal Power Management chip"

...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.

We replace module.h with moduleparam.h ; the latter since this file
was implicitly relying on getting it.

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>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Paul Gortmaker 2016-10-29 21:24:36 -04:00 committed by Lee Jones
parent 4be85fc4f8
commit 31cbae2224
1 changed files with 6 additions and 31 deletions
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37
drivers/mfd/ab8500-core.c
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@ -14,7 +14,7 @@
#include <linux/irqdomain.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/platform_device.h>
#include <linux/mfd/core.h>
#include <linux/mfd/abx500.h>
@ -123,6 +123,10 @@ static DEFINE_SPINLOCK(on_stat_lock);
static u8 turn_on_stat_mask = 0xFF;
static u8 turn_on_stat_set;
static bool no_bm; /* No battery management */
/*
* not really modular, but the easiest way to keep compat with existing
* bootargs behaviour is to continue using module_param here.
*/
module_param(no_bm, bool, S_IRUGO);
#define AB9540_MODEM_CTRL2_REG 0x23
@ -1324,25 +1328,6 @@ static int ab8500_probe(struct platform_device *pdev)
return ret;
}
static int ab8500_remove(struct platform_device *pdev)
{
struct ab8500 *ab8500 = platform_get_drvdata(pdev);
if (((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
ab8500->chip_id >= AB8500_CUT2P0) || is_ab8540(ab8500))
sysfs_remove_group(&ab8500->dev->kobj, &ab9540_attr_group);
else
sysfs_remove_group(&ab8500->dev->kobj, &ab8500_attr_group);
if ((is_ab8505(ab8500) || is_ab9540(ab8500)) &&
ab8500->chip_id >= AB8500_CUT2P0)
sysfs_remove_group(&ab8500->dev->kobj, &ab8505_attr_group);
mfd_remove_devices(ab8500->dev);
return 0;
}
static const struct platform_device_id ab8500_id[] = {
{ "ab8500-core", AB8500_VERSION_AB8500 },
{ "ab8505-i2c", AB8500_VERSION_AB8505 },
@ -1354,9 +1339,9 @@ static const struct platform_device_id ab8500_id[] = {
static struct platform_driver ab8500_core_driver = {
.driver = {
.name = "ab8500-core",
.suppress_bind_attrs = true,
},
.probe = ab8500_probe,
.remove = ab8500_remove,
.id_table = ab8500_id,
};
@ -1364,14 +1349,4 @@ static int __init ab8500_core_init(void)
{
return platform_driver_register(&ab8500_core_driver);
}
static void __exit ab8500_core_exit(void)
{
platform_driver_unregister(&ab8500_core_driver);
}
core_initcall(ab8500_core_init);
module_exit(ab8500_core_exit);
MODULE_AUTHOR("Mattias Wallin, Srinidhi Kasagar, Rabin Vincent");
MODULE_DESCRIPTION("AB8500 MFD core");
MODULE_LICENSE("GPL v2");