Re: [linux-sunxi] [PATCH 3/3] MTD: m25p80: Add option to limit SPI transfer size.

Brian Norris
2015-05-20T23:28:11Z

On Fri, May 01, 2015 at 12:58:52AM +1000, Julian Calaby wrote:
> On Thu, Apr 30, 2015 at 11:46 PM, Michal Suchanek <hramrach@gmail.com> wrote:
> > My SPI driver does not support DMA so sizes larger than 64 bytes return
> > an error. Add an option to limit transfer size so m25p80 can be used
> > with reduced speed with such controller.
>
> I suspect that this will be rejected as the maximum transfer size is a
> property of the SPI controller, not the device and should be exported
> to the device driver from the controller, not specified in the
> device's binding.

Absolutely correct. This does not belong in the device tree.

Brian