[alsa-devel] [RFC PATCH 16/40] soundwire: cadence_master: improve startup sequence with link hw_reset

[Pierre-Louis Bossart]

>> +static int do_reset(struct sdw_cdns *cdns)
>> +{
>> +	int ret;
>> +
>> +	/* program maximum length reset to be safe */
>> +	cdns_updatel(cdns, CDNS_MCP_CONTROL,
>> +		     CDNS_MCP_CONTROL_RST_DELAY,
>> +		     CDNS_MCP_CONTROL_RST_DELAY);
>> +
>> +	/* use hardware generated reset */
>> +	cdns_updatel(cdns, CDNS_MCP_CONTROL,
>> +		     CDNS_MCP_CONTROL_HW_RST,
>> +		     CDNS_MCP_CONTROL_HW_RST);
>> +
>> +	/* enable bus operations with clock and data */
>> +	cdns_updatel(cdns, CDNS_MCP_CONFIG,
>> +		     CDNS_MCP_CONFIG_OP,
>> +		     CDNS_MCP_CONFIG_OP_NORMAL);
>> +
>> +	/* commit changes */
>> +	ret = cdns_update_config(cdns);
>> +
>> +	return ret;
> 
> +	return cdns_update_config(cdns);
> 
> and remove the "ret" variable.

Yes, it's the same issue as previously reported. will fix.