[alsa-devel] [PATCH 1/4] soundwire: add module_sdw_driver helper macro

[Vinod Koul]

On 28-03-19, 13:41, Srinivas Kandagatla wrote:
> This Helper macro is for Soundwire drivers which do not do anything special in

s/Soundwire/SoundWire

Most of the 'documentation' uses SoundWire as that is spec name, unless
you are referring to subsystem in which case all will be lowercase :)

> 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()
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
> ---
>  include/linux/soundwire/sdw_type.h | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/include/linux/soundwire/sdw_type.h b/include/linux/soundwire/sdw_type.h
> index 9fd553e553e9..e14843ed13a5 100644
> --- a/include/linux/soundwire/sdw_type.h
> +++ b/include/linux/soundwire/sdw_type.h
> @@ -16,4 +16,15 @@ void sdw_unregister_driver(struct sdw_driver *drv);
>  
>  int sdw_slave_modalias(const struct sdw_slave *slave, char *buf, size_t size);
>  
> +/**
> + * module_sdw_driver() - Helper macro for registering a Soundwire driver
> + * @__sdw_driver: soundwire slave driver struct
> + *
> + * Helper macro for Soundwire drivers 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_sdw_driver(__sdw_driver) \
> +	module_driver(__sdw_driver, sdw_register_driver, \
> +			sdw_unregister_driver)
>  #endif /* __SOUNDWIRE_TYPES_H */
> -- 
> 2.21.0

-- 
~Vinod