On Mon, Mar 13, 2023 at 09:55:25AM +0000, Christophe Leroy wrote: > Le 07/03/2023 à 23:16, Mark Brown a écrit : > > So the CPU is big endian, memory has a big endian word in it and the > > controller is then sending as little endian? That would mean that the > > driver for the controller is implementing SPI_LSB_FIRST mode without > > being asked (IIRC there is an option to run these systems LE, I don't > > know if the controller is just always little endian or always byte > > swapping). That seems like a bug in the driver for the controller. > What does SPI_LSB_FIRST stands for ? From what you say, shall I > understand that it means Least Significant _Byte_ first ? > I'm asking because as far as I can see, for the controller SPI_LSB_FIRST > means Least Significant _bit_ first. Is that wrong ? Ah, you're right - it's bit rather than byte.
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