Re: [PATCH v1 RFC 1/2] spi: introduce fallback to pio

[Mark Brown]

On Tue, Jun 16, 2020 at 10:13:08AM +0000, Robin Gong wrote:
> On 2020/06/16 Mark Brown <broonie@xxxxxxxxxx> wrote:

> > I'd just make this a generic flag for failures before we start interacting with the
> > hardware rather than specifically this one error case.  Otherwise this looks
> > fine.

> So rename to SPI_TRANS_DMA_FAIL? I think at least DMA is MUST for fallback
> case...

This is not purely for DMA, it's just about the failure having occurred
before the transfer started.  How about _FAIL_NO_START?

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