diff options
| author | Andrew F. Davis <afd@ti.com> | 2016-08-02 14:07:09 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-08-02 19:35:39 -0400 |
| commit | 939fc832290d548a02b6a309992b3c1ff7de1ff9 (patch) | |
| tree | ec7f08bea46363dc89e423c13f8a782ba3574b24 /drivers/w1/w1_family.h | |
| parent | 098f9fb0c962eb2fdba5f9d34f4cf7a938237184 (diff) | |
w1: add helper macro module_w1_family
The helper macro module_w1_family can be used in module drivers that
only register a w1 driver in their module init functions. Add this
macro and use it in all applicable drivers.
Link: http://lkml.kernel.org/r/20160531204313.20979-2-afd@ti.com
Signed-off-by: Andrew F. Davis <afd@ti.com>
Acked-by: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/w1/w1_family.h')
| -rw-r--r-- | drivers/w1/w1_family.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h index ed5dcb80a1f7..10a7a0767187 100644 --- a/drivers/w1/w1_family.h +++ b/drivers/w1/w1_family.h @@ -88,4 +88,16 @@ struct w1_family * w1_family_registered(u8); void w1_unregister_family(struct w1_family *); int w1_register_family(struct w1_family *); +/** + * module_w1_driver() - Helper macro for registering a 1-Wire families + * @__w1_family: w1_family struct + * + * Helper macro for 1-Wire families 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_w1_family(__w1_family) \ + module_driver(__w1_family, w1_register_family, \ + w1_unregister_family) + #endif /* __W1_FAMILY_H */ |