Re: [PATCH V1] mmc: sdhci: Check for reset prior to DMA address unmap

2021-03-03 Thread Adrian Hunter
On 24/02/21 12:53 pm, Pradeep P V K wrote: > For data read commands, SDHC may initiate data transfers even before it > completely process the command response. In case command itself fails, > driver un-maps the memory associated with data transfer but this memory > can still be accessed by SDHC for

[PATCH V1] mmc: sdhci: Check for reset prior to DMA address unmap

2021-02-24 Thread Pradeep P V K
For data read commands, SDHC may initiate data transfers even before it completely process the command response. In case command itself fails, driver un-maps the memory associated with data transfer but this memory can still be accessed by SDHC for the already initiated data transfer. This scenario