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pinctrl: amd: make it explicitly non-modular

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The Kconfig currently controlling compilation of this code is:

config PINCTRL_AMD
        bool "AMD GPIO pin control"

...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_platform_driver() uses the same init level priority as
builtin_platform_driver() 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.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
Cc: Ken Xue <Ken.Xue@amd.com>
Cc: Jeff Wu <Jeff.Wu@amd.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Paul Gortmaker 2016-06-06 22:43:04 -04:00 committed by Linus Walleij
parent 82359b0ab7
commit b8c2b10a9b
1 changed files with 3 additions and 20 deletions
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23
drivers/pinctrl/pinctrl-amd.c
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@ -13,7 +13,7 @@
#include <linux/err.h>
#include <linux/bug.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/spinlock.h>
#include <linux/compiler.h>
#include <linux/types.h>
@ -828,35 +828,18 @@ static int amd_gpio_probe(struct platform_device *pdev)
return ret;
}
static int amd_gpio_remove(struct platform_device *pdev)
{
struct amd_gpio *gpio_dev;
gpio_dev = platform_get_drvdata(pdev);
gpiochip_remove(&gpio_dev->gc);
return 0;
}
static const struct acpi_device_id amd_gpio_acpi_match[] = {
{ "AMD0030", 0 },
{ "AMDI0030", 0},
{ },
};
MODULE_DEVICE_TABLE(acpi, amd_gpio_acpi_match);
static struct platform_driver amd_gpio_driver = {
.driver = {
.name = "amd_gpio",
.suppress_bind_attrs = true,
.acpi_match_table = ACPI_PTR(amd_gpio_acpi_match),
},
.probe = amd_gpio_probe,
.remove = amd_gpio_remove,
};
module_platform_driver(amd_gpio_driver);
MODULE_LICENSE("GPL v2");
MODULE_AUTHOR("Ken Xue <Ken.Xue@amd.com>, Jeff Wu <Jeff.Wu@amd.com>");
MODULE_DESCRIPTION("AMD GPIO pinctrl driver");
builtin_platform_driver(amd_gpio_driver);