Re: [PATCH 2/3] Revert "i2c: i2c-qcom-geni: Fix DMA transfer race"

2020-10-12 Thread Akash Asthana
On 10/9/2020 4:22 AM, Douglas Anderson wrote: This reverts commit 02b9aec59243c6240fc42884acc958602146ddf6. As talked about in the patch ("soc: qcom: geni: More properly switch to DMA mode"), swapping the order of geni_se_setup_m_cmd() and geni_se_xx_dma_prep() can sometimes cause corrupted

Re: [PATCH 2/3] Revert "i2c: i2c-qcom-geni: Fix DMA transfer race"

2020-10-09 Thread Stephen Boyd
Quoting Douglas Anderson (2020-10-08 15:52:34) > This reverts commit 02b9aec59243c6240fc42884acc958602146ddf6. > > As talked about in the patch ("soc: qcom: geni: More properly switch > to DMA mode"), swapping the order of geni_se_setup_m_cmd() and > geni_se_xx_dma_prep() can sometimes cause

[PATCH 2/3] Revert "i2c: i2c-qcom-geni: Fix DMA transfer race"

2020-10-08 Thread Douglas Anderson
This reverts commit 02b9aec59243c6240fc42884acc958602146ddf6. As talked about in the patch ("soc: qcom: geni: More properly switch to DMA mode"), swapping the order of geni_se_setup_m_cmd() and geni_se_xx_dma_prep() can sometimes cause corrupted transfers. Thus we traded one problem for another.