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

Pierre-Louis Bossart
2019-07-26T14:11:15Z

>> +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.