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?
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