On Wed, Nov 15, 2017 at 03:18:59PM -0800, Tim Harvey wrote: > I could re-write the mcp251x driver to not use full-duplex but I'm > assuming most SPI drivers use full-duplex transactions. I'd not actually say that's the case - the bulk of devices do some kind of command/response or register/value thing, full duplex is moderately complex to work with and ends up needing a constant data stream between the two devices. It does happen (and some controllers always transfer data in both directions) but most of the time only one direction has any meaning.
Attachment:
signature.asc
Description: PGP signature
