[PATCH] ath10k: Do not call dma_alloc_coherent() for SDIO and USB
Fabio Estevam
festevam at gmail.com
Wed Aug 18 13:43:53 PDT 2021
Hi Peter,
On Wed, Aug 18, 2021 at 2:35 PM Peter Oh <peter.oh at eero.com> wrote:
>
>
> >> Fix the problem by not calling dma_alloc_coherent() when the device
> >> is not DMA capable, such as SDIO and USB.
> >>
> ath10k calls dma_alloc_coherent multiple places including
> ath10k_htt_rx_alloc.
>
> Do SDIO and USB not use such data path function at all?
Good point! Maybe I am not just hitting these paths on my simple tests.
Kalle,
How should we handle this?
Thanks
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