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| author | William Breathitt Gray <vilhelm.gray@gmail.com> | 2016-05-01 18:42:47 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-05-02 09:32:04 -0700 |
| commit | 339e6e31d2bfb40354cbfe672b357b88a88223f2 (patch) | |
| tree | e15090dc5916ea254e73097adc7f04c3a157b2b3 /include/linux/isa.h | |
| parent | 0619f39474b991244d0a2cbd323915c0e6167b5a (diff) | |
| download | lwn-339e6e31d2bfb40354cbfe672b357b88a88223f2.tar.gz lwn-339e6e31d2bfb40354cbfe672b357b88a88223f2.zip | |
isa: Implement the module_isa_driver macro
The module_isa_driver macro is a helper macro for ISA drivers which do
not do anything special in module init/exit. This eliminates a lot of
boilerplate code. Each module may only use this macro once, and calling
it replaces module_init and module_exit.
Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/isa.h')
| -rw-r--r-- | include/linux/isa.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/include/linux/isa.h b/include/linux/isa.h index b0270e3814c8..e394917d18c2 100644 --- a/include/linux/isa.h +++ b/include/linux/isa.h @@ -36,4 +36,25 @@ static inline void isa_unregister_driver(struct isa_driver *d) } #endif +/** + * module_isa_driver() - Helper macro for registering a ISA driver + * @__isa_driver: isa_driver struct + * @__num_isa_dev: number of devices to register + * + * Helper macro for ISA drivers which do not do anything special in module + * init/exit. This eliminates a lot of boilerplate code. Each module may only + * use this macro once, and calling it replaces module_init and module_exit. + */ +#define module_isa_driver(__isa_driver, __num_isa_dev) \ +static int __init __isa_driver##_init(void) \ +{ \ + return isa_register_driver(&(__isa_driver), __num_isa_dev); \ +} \ +module_init(__isa_driver##_init); \ +static void __exit __isa_driver##_exit(void) \ +{ \ + isa_unregister_driver(&(__isa_driver)); \ +} \ +module_exit(__isa_driver##_exit); + #endif /* __LINUX_ISA_H */ |