From 940ab88962bc1aff3273a8356d64577a6e386736 Mon Sep 17 00:00:00 2001 From: Grant Likely Date: Wed, 5 Oct 2011 11:29:49 -0600 Subject: drivercore: Add helper macro for platform_driver boilerplate For simple modules that contain a single platform_driver without any additional setup code then ends up being a block of duplicated boilerplate. This patch adds a new macro, module_platform_driver(), which replaces the module_init()/module_exit() registrations with template functions. Signed-off-by: Grant Likely Acked-by: Greg Kroah-Hartman Reviewed-by: Magnus Damm Reviewed-by: Mark Brown Reviewed-by: Stephen Boyd --- include/linux/platform_device.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'include') diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h index 27bb05aae70..08de528afd6 100644 --- a/include/linux/platform_device.h +++ b/include/linux/platform_device.h @@ -146,6 +146,23 @@ static inline void platform_set_drvdata(struct platform_device *pdev, void *data dev_set_drvdata(&pdev->dev, data); } +/* module_platform_driver() - Helper macro for drivers that don't do + * anything special in module init/exit. This eliminates a lot of + * boilerplate. Each module may only use this macro once, and + * calling it replaces module_init() and module_exit() + */ +#define module_platform_driver(__platform_driver) \ +static int __init __platform_driver##_init(void) \ +{ \ + return platform_driver_register(&(__platform_driver)); \ +} \ +module_init(__platform_driver##_init); \ +static void __exit __platform_driver##_exit(void) \ +{ \ + platform_driver_unregister(&(__platform_driver)); \ +} \ +module_exit(__platform_driver##_exit); + extern struct platform_device *platform_create_bundle(struct platform_driver *driver, int (*probe)(struct platform_device *), struct resource *res, unsigned int n_res, -- cgit v1.2.3-70-g09d2