[PATCH v4 2/4] spi: Split spi message into max_dma_len size chunks

[Mark Brown]

On Fri, Apr 12, 2019 at 01:16:15PM +0200, Lukas Wunner wrote:
> On Fri, Apr 12, 2019 at 12:09:34PM +0100, Mark Brown wrote:
> > On Fri, Apr 12, 2019 at 12:54:48PM +0200, Lukas Wunner wrote:

> > > My point was that the call to spi_split_transfers_maxsize() shouldn't
> > > be called on non-DMA-capable platforms in the first place (because it's
> > > DMA-specific).

> > It's not a DMA specific problem - there can be SPI controller
> > limitations on transfer sizes too.

> The call does pass in ctlr->max_dma_len though, so is clearly motivated
> by a DMA limitation.

Yeah, that bit is but we can have other limitations.
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