cdns_clear_bit
ret = cdns_clear_bit(cdns, CDNS_MCP_CONTROL,
ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE,
ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE, CDNS_MCP_CONFIG_UPDATE_BIT);
ret = cdns_clear_bit(cdns, CDNS_MCP_CONFIG_UPDATE, CDNS_MCP_CONFIG_UPDATE_BIT);