hollalinux
/
linux-sg2042
mirror of https://github.com/sophgo/linux-riscv.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20210303091642.23929-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Andy Shevchenko 2021-03-03 11:16:40 +02:00 committed by Mark Brown
parent ffb597b2bd
commit a0521f70ae
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 11 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
include/linux/parport.h
View File

@ -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);