Re: [PATCH v4 07/15] soundwire: slave: move uevent handling to slave

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On Thu, Dec 12, 2019 at 11:04:01PM -0600, Pierre-Louis Bossart wrote:
> Currently the code deals with uevents at the bus level, but we only care
> for Slave events

What does this mean?  I can't understand it, can you please provide more
information on what you are doing here?

> 
> Suggested-by: Vinod Koul <vkoul@xxxxxxxxxx>
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
> ---
>  drivers/soundwire/bus.h      | 2 ++
>  drivers/soundwire/bus_type.c | 3 +--
>  drivers/soundwire/slave.c    | 1 +
>  3 files changed, 4 insertions(+), 2 deletions(-)
> 
> diff --git a/drivers/soundwire/bus.h b/drivers/soundwire/bus.h
> index cb482da914da..be01a5f3d00b 100644
> --- a/drivers/soundwire/bus.h
> +++ b/drivers/soundwire/bus.h
> @@ -6,6 +6,8 @@
>  
>  #define DEFAULT_BANK_SWITCH_TIMEOUT 3000
>  
> +int sdw_uevent(struct device *dev, struct kobj_uevent_env *env);
> +
>  #if IS_ENABLED(CONFIG_ACPI)
>  int sdw_acpi_find_slaves(struct sdw_bus *bus);
>  #else
> diff --git a/drivers/soundwire/bus_type.c b/drivers/soundwire/bus_type.c
> index bbdedce5eb26..5c18c21545b5 100644
> --- a/drivers/soundwire/bus_type.c
> +++ b/drivers/soundwire/bus_type.c
> @@ -47,7 +47,7 @@ int sdw_slave_modalias(const struct sdw_slave *slave, char *buf, size_t size)
>  			slave->id.mfg_id, slave->id.part_id);
>  }
>  
> -static int sdw_uevent(struct device *dev, struct kobj_uevent_env *env)
> +int sdw_uevent(struct device *dev, struct kobj_uevent_env *env)
>  {
>  	struct sdw_slave *slave;
>  	char modalias[32];
> @@ -71,7 +71,6 @@ static int sdw_uevent(struct device *dev, struct kobj_uevent_env *env)
>  struct bus_type sdw_bus_type = {
>  	.name = "soundwire",
>  	.match = sdw_bus_match,
> -	.uevent = sdw_uevent,
>  };
>  EXPORT_SYMBOL_GPL(sdw_bus_type);
>  
> diff --git a/drivers/soundwire/slave.c b/drivers/soundwire/slave.c
> index c87267f12a3b..014c3ece1f17 100644
> --- a/drivers/soundwire/slave.c
> +++ b/drivers/soundwire/slave.c
> @@ -17,6 +17,7 @@ static void sdw_slave_release(struct device *dev)
>  struct device_type sdw_slave_type = {
>  	.name =		"sdw_slave",
>  	.release =	sdw_slave_release,
> +	.uevent = sdw_uevent,

Align this with the other ones?

does this cause any different functionality?

thanks,

greg k-h
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