Messages in this thread | | | Date | Mon, 15 Jun 2020 14:39:05 +0100 | From | Mark Brown <> | Subject | Re: [PATCH v1 RFC 1/2] spi: introduce fallback to pio |
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On Mon, Jun 15, 2020 at 01:35:01PM +0000, Robin Gong wrote: > On 2020/06/15 20:36 Mark Brown <broonie@kernel.org> 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. [unhandled content-type:application/pgp-signature] | |