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virtio: Add module driver macro for virtio drivers.

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Add helper macro for drivers that don't do anything
special in module init/exit.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Sjur Brændeland 2013-02-13 15:52:36 +10:30 committed by Rusty Russell
parent dc18f0800f
commit 6e105e0593
1 changed files with 9 additions and 0 deletions
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9
include/linux/virtio.h
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@ -126,4 +126,13 @@ static inline struct virtio_driver *drv_to_virtio(struct device_driver *drv)
int register_virtio_driver(struct virtio_driver *drv);
void unregister_virtio_driver(struct virtio_driver *drv);
/* module_virtio_driver() - Helper macro for drivers that don't 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_virtio_driver(__virtio_driver) \
module_driver(__virtio_driver, register_virtio_driver, \
unregister_virtio_driver)
#endif /* _LINUX_VIRTIO_H */