RE: [PATCH v16 2/4] dmaengine: tegra: Add tegra gpcdma driver

[Akhil R]

> 10.01.2022 19:05, Akhil R пишет:
> > +static int tegra_dma_terminate_all(struct dma_chan *dc)
> > +{
> > +     struct tegra_dma_channel *tdc = to_tegra_dma_chan(dc);
> > +     unsigned long flags;
> > +     LIST_HEAD(head);
> > +     int err;
> > +
> > +     if (tdc->dma_desc) {
> 
> Needs locking protection against racing with the interrupt handler.
tegra_dma_stop_client() waits for the in-flight transfer 
to complete and prevents any additional transfer to start. 
Wouldn't it manage the race? Do you see any potential issue there?

Thanks,
Akhil

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