On 1 December 2015 at 20:58, Mark Brown <broonie@xxxxxxxxxx> wrote: > On Tue, Dec 01, 2015 at 04:51:06PM -0000, Michal Suchanek wrote: >> On some SPI controllers it is not feasible to transfer arbitrary amount >> of data at once. >> >> When the limit on transfer size is a few kilobytes at least it makes >> sense to use the SPI hardware rather than reverting to gpio driver. > >> + /* >> + * on some hardware transfer size may be constrained >> + * the limit may depend on device transfer settings >> + */ >> + size_t (*max_transfer_size)(struct spi_device *spi); > > Heiner submitted a *very* similar patch just now with a straight > variable plus accessor instead of a function and using a name with _msg. > I'm ambivalent on the implementation but prefer the naming here since > that's more the limitation we're trying to express I think (some > hardware does have limiations about multple transfers too). Can the two > of you come up with something that works for both of you? Sorry, missed there is a patch because it shows in the middle of the discussion for me. I don't really care which one it is so long as I can get the last patch in this series based on it. Thanks Michal -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html