Re: [PATCH] wifi:ath10k: Set tx credit to one for WCN3990 snoc based devices

2022-08-09 Thread Kalle Valo
Youghandhar Chintala wrote: > Currently host can send two WMI commands at once. There is possibility to > cause SMMU issues or corruption, if host wants to initiate 2 DMA > transfers, it is possible when copy complete interrupt for first DMA > reaches host, CE has already updated SRRI (Source

[PATCH] wifi:ath10k: Set tx credit to one for WCN3990 snoc based devices

2022-08-01 Thread Youghandhar Chintala
Currently host can send two WMI commands at once.There is possibility to cause SMMU issues or corruption, if host wants to initiate 2 DMA transfers, it is possible when copy complete interrupt for first DMA reaches host, CE has already updated SRRI (Source ring read index) for both DMA transfers