[alsa-devel] [RFC PATCH 09/40] soundwire: cadence_master: fix usage of CONFIG_UPDATE

Vinod Koul vkoul at kernel.org
Fri Aug 2 14:03:19 CEST 2019


On 25-07-19, 18:40, Pierre-Louis Bossart wrote:

>  int sdw_cdns_enable_interrupt(struct sdw_cdns *cdns)
>  {
> -	int ret;
> -
>  	_cdns_enable_interrupt(cdns);
> -	ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE,
> -			     CDNS_MCP_CONFIG_UPDATE_BIT);
> -	if (ret < 0)
> -		dev_err(cdns->dev, "Config update timedout\n");

I was expecting cdns_update_config() to be invoked here??

>  
> -	return ret;
> +	return 0;

It would be better if we return a value here a not success always

> @@ -943,7 +953,10 @@ int sdw_cdns_init(struct sdw_cdns *cdns)
>  
>  	cdns_writel(cdns, CDNS_MCP_CONFIG, val);
>  
> -	return 0;
> +	/* commit changes */
> +	ret = cdns_update_config(cdns);
> +
> +	return ret;

return cdns_update_config()

-- 
~Vinod


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