[PATCH v3 1/3] parport: Introduce module_parport_driver() helper macro
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STALE2048d
LANDED: 3 (3M)
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: 2021-03-03 15:28:40
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lkml
Subsystem:
parallel port subsystem, the rest · Maintainers:
Sudip Mukherjee, Sudip Mukherjee, Linus Torvalds
1 review trailer (1 from subsystem maintainers); landed in mainline as a0521f70aee0 on 2021-03-10.
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> --- include/linux/parport.h | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/include/linux/parport.h b/include/linux/parport.h
index f981f794c850..1c16ffb8b908 100644
--- a/include/linux/parport.h
+++ b/include/linux/parport.h@@ -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);
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2.30.1