- /* REVISIT: some systems will want to support devices using lsb-first
- * bit encodings on the wire. In pure software that would be trivial,
- * just bitbang_txrx_le_cphaX() routines shifting the other way, and
- * some hardware controllers also have this support.
+ /* Bitbangers can support SPI_CS_HIGH, SPI_3WIRE, and so on;
+ * add those to master->flags, and provide the other support.