On Fri, Jul 23, 2021 at 06:10:22PM +0100, Jonathan Cameron wrote:

> @Mark.  This has come up a few times recently.  Are we now safe to assume
> that regmap will always copy data when used with SPI and hence we no
> longer need to ensure DMA safe buffers?   

Only for single register I/O, I'd not assume that for things like raw
I/O.

Note that my name is spelt Mark.