Unverified Commit a0521f70 authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Mark Brown
Browse files

parport: Introduce module_parport_driver() helper macro 



Introduce module_parport_driver() helper macro to reduce boilerplate
in the existing and new code.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: default avatarSudip Mukherjee <sudipm.mukherjee@gmail.com>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210303091642.23929-2-andriy.shevchenko@linux.intel.com


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent ffb597b2

include/linux/parport.h

+11 −1
Original line number Diff line number Diff line
@@ -332,9 +332,19 @@ int __must_check __parport_register_driver(struct parport_driver *, 
	__parport_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)



/* Unregister a high-level driver. */

extern void parport_unregister_driver (struct parport_driver *);

void parport_unregister_driver(struct parport_driver *);



/**

 * module_parport_driver() - Helper macro for registering a modular parport driver

 * @__parport_driver: struct parport_driver to be used

 *

 * Helper macro for parport drivers which do not do anything special in module

 * init and 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_parport_driver(__parport_driver) \

	module_driver(__parport_driver, parport_register_driver, parport_unregister_driver)



/* If parport_register_driver doesn't fit your needs, perhaps

 * parport_find_xxx does. */

extern struct parport *parport_find_number (int);