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

[Mark Brown]

On Fri, Apr 12, 2019 at 12:54:48PM +0200, Lukas Wunner wrote:
> On Fri, Apr 12, 2019 at 10:47:21AM +0100, Mark Brown wrote:

> > I *think* we managed to fix all the architectures to at least stub out
> > the DMA interfaces, it's such a pointless thing to have conditional -
> > it really only makes a difference for build coverage.

> 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.
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