On Thu, May 30, 2024 at 04:28:38PM -0500, David Lechner wrote: > I think one of my colleagues was working on one in the last year that we > might still have lying around. But I don't know what we could use as the > SPI controller that would have offload support. David was using a Raspberry Pi, their DMA controller can happily write to the SPI controller registers so functions as an offload engine - I'd not be surprised if other SPI controllers and DMA controllers could interact in a similar fashion for the CAN or interrupt controller style use cases.
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