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reset: lpc18xx: make it explicitly non-modular

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The Kconfig currently controlling compilation of this code is:

drivers/reset/Kconfig:config RESET_LPC18XX
drivers/reset/Kconfig:  bool "LPC18xx/43xx Reset Driver" if COMPILE_TEST
drivers/reset/Kconfig:  default ARCH_LPC18XX

or

arch/arm/Kconfig:config ARCH_LPC18XX
arch/arm/Kconfig:       bool "NXP LPC18xx/LPC43xx"

...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: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
This commit is contained in:
Paul Gortmaker 2016-06-13 14:03:38 -04:00 committed by Philipp Zabel
parent fadb03cd46
commit cdd24f76fe
1 changed files with 5 additions and 27 deletions
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28
drivers/reset/reset-lpc18xx.c
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@ -13,7 +13,7 @@
#include <linux/delay.h> #include <linux/delay.h>
#include <linux/err.h> #include <linux/err.h>
#include <linux/io.h> #include <linux/io.h>
#include <linux/module.h> #include <linux/init.h>
#include <linux/of.h> #include <linux/of.h>
#include <linux/platform_device.h> #include <linux/platform_device.h>
#include <linux/reboot.h> #include <linux/reboot.h>
@ -218,39 +218,17 @@ static int lpc18xx_rgu_probe(struct platform_device *pdev)
return ret; return ret;
} }
static int lpc18xx_rgu_remove(struct platform_device *pdev)
{
struct lpc18xx_rgu_data *rc = platform_get_drvdata(pdev);
int ret;
ret = unregister_restart_handler(&rc->restart_nb);
if (ret)
dev_warn(&pdev->dev, "failed to unregister restart handler\n");
reset_controller_unregister(&rc->rcdev);
clk_disable_unprepare(rc->clk_delay);
clk_disable_unprepare(rc->clk_reg);
return 0;
}
static const struct of_device_id lpc18xx_rgu_match[] = { static const struct of_device_id lpc18xx_rgu_match[] = {
{ .compatible = "nxp,lpc1850-rgu" }, { .compatible = "nxp,lpc1850-rgu" },
{ } { }
}; };
MODULE_DEVICE_TABLE(of, lpc18xx_rgu_match);
static struct platform_driver lpc18xx_rgu_driver = { static struct platform_driver lpc18xx_rgu_driver = {
.probe = lpc18xx_rgu_probe, .probe = lpc18xx_rgu_probe,
.remove = lpc18xx_rgu_remove,
.driver = { .driver = {
.name = "lpc18xx-reset", .name = "lpc18xx-reset",
.of_match_table = lpc18xx_rgu_match, .of_match_table = lpc18xx_rgu_match,
.suppress_bind_attrs = true,
}, },
}; };
module_platform_driver(lpc18xx_rgu_driver); builtin_platform_driver(lpc18xx_rgu_driver);
MODULE_AUTHOR("Joachim Eastwood <manabian@gmail.com>");
MODULE_DESCRIPTION("Reset driver for LPC18xx/43xx RGU");
MODULE_LICENSE("GPL v2");