IWM_CMD_ASYNC
.flags = IWM_CMD_ASYNC,
async = hcmd->flags & IWM_CMD_ASYNC;
err = iwm_send_cmd_pdu(sc, IWM_TXPATH_FLUSH, sync ? 0 : IWM_CMD_ASYNC,
return iwm_send_cmd_pdu(sc, IWM_REPLY_SF_CFG_CMD, IWM_CMD_ASYNC,