gpio-lynxpoint: Allow building as a module
Change CONFIG_GPIO_LYNXPOINT from bool to tristate so that the gpio-lynxpoint driver can be built as a module. Add the required glue: an exit function to unregister the driver, and module information. Signed-off-by: Jean Delvare <jdelvare@suse.de> Cc: Mathias Nyman <mathias.nyman@linux.intel.com> Cc: Linus Walleij <linus.walleij@linaro.org> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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@ -353,7 +353,7 @@ config GPIO_GE_FPGA
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board computers.
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board computers.
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config GPIO_LYNXPOINT
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config GPIO_LYNXPOINT
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bool "Intel Lynxpoint GPIO support"
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tristate "Intel Lynxpoint GPIO support"
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depends on ACPI && X86
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depends on ACPI && X86
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select IRQ_DOMAIN
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select IRQ_DOMAIN
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help
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help
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@ -469,4 +469,15 @@ static int __init lp_gpio_init(void)
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return platform_driver_register(&lp_gpio_driver);
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return platform_driver_register(&lp_gpio_driver);
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}
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}
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static void __exit lp_gpio_exit(void)
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{
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platform_driver_unregister(&lp_gpio_driver);
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}
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subsys_initcall(lp_gpio_init);
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subsys_initcall(lp_gpio_init);
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module_exit(lp_gpio_exit);
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MODULE_AUTHOR("Mathias Nyman (Intel)");
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MODULE_DESCRIPTION("GPIO interface for Intel Lynxpoint");
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MODULE_LICENSE("GPL");
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MODULE_ALIAS("platform:lp_gpio");
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