Messages in this thread | | | Date | Fri, 23 Jul 2021 18:14:22 +0100 | From | Mark Brown <> | Subject | Re: [PATCH v2 2/2] iio: accel: Add driver support for ADXL355 |
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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. [unhandled content-type:application/pgp-signature] | |