From 204162572ff4a679a47c68a5d5b3ac2bcba3830e Mon Sep 17 00:00:00 2001 From: H Hartley Sweeten Date: Tue, 1 May 2012 17:20:04 -0700 Subject: [PATCH] staging: comedi: Add helper macro for comedi_driver boilerplate Introduce the module_comedi_driver macro which is a convenience macro for comedi driver modules similar to module_platform_driver. It is intended to be used by drivers where the init/exit section does nothing but register/unregister the comedi driver. By using this macro it is possible to eliminate a few lines of boilerplate code per comedi driver. Signed-off-by: H Hartley Sweeten Cc: Ian Abbott Cc: Mori Hess Signed-off-by: Greg Kroah-Hartman --- drivers/staging/comedi/comedidev.h | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/staging/comedi/comedidev.h b/drivers/staging/comedi/comedidev.h index 02e4ae0..8828609 100644 --- a/drivers/staging/comedi/comedidev.h +++ b/drivers/staging/comedi/comedidev.h @@ -298,6 +298,18 @@ int comedi_device_attach(struct comedi_device *dev, int comedi_driver_register(struct comedi_driver *); int comedi_driver_unregister(struct comedi_driver *); +/** + * module_comedi_driver() - Helper macro for registering a comedi driver + * @__comedi_driver: comedi_driver struct + * + * Helper macro for comedi drivers which do not 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_comedi_driver(__comedi_driver) \ + module_driver(__comedi_driver, comedi_driver_register, \ + comedi_driver_unregister) + void init_polling(void); void cleanup_polling(void); void start_polling(struct comedi_device *); -- 2.7.4