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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>
This commit is contained in:
Jean Delvare 2013-11-27 15:46:06 +01:00 committed by Linus Walleij
parent 45ad4f7d19
commit d463c6ff88
2 changed files with 12 additions and 1 deletions
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2
drivers/gpio/Kconfig
View File

@ -353,7 +353,7 @@ config GPIO_GE_FPGA
board computers.
config GPIO_LYNXPOINT
bool "Intel Lynxpoint GPIO support"
tristate "Intel Lynxpoint GPIO support"
depends on ACPI && X86
select IRQ_DOMAIN
help

11
drivers/gpio/gpio-lynxpoint.c
View File

@ -469,4 +469,15 @@ static int __init lp_gpio_init(void)
return platform_driver_register(&lp_gpio_driver);
}
static void __exit lp_gpio_exit(void)
{
platform_driver_unregister(&lp_gpio_driver);
}
subsys_initcall(lp_gpio_init);
module_exit(lp_gpio_exit);
MODULE_AUTHOR("Mathias Nyman (Intel)");
MODULE_DESCRIPTION("GPIO interface for Intel Lynxpoint");
MODULE_LICENSE("GPL");
MODULE_ALIAS("platform:lp_gpio");