On Mon, Jun 15, 2020 at 01:35:01PM +0000, Robin Gong wrote: > On 2020/06/15 20:36 Mark Brown <broonie@xxxxxxxxxx> wrote: > > If we see an error in transfer_one() it could be from anything, we've no idea > > what happened on the bus - the controller may have got part way through the > > transfer before failing. > Then how about choosing specific error code for such dma not ready case where > nothing went out on the bus neither? Yes, that's what I suggested.
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