On Fri, Sep 28, 2018 at 09:18:33AM +0200, Boris Brezillon wrote: > I might be wrong, but that's not my understanding of ->bits_per_word. > To me, it's something that you can use when your *device* (not > controller) expects non-byte aligned words [1]. The spi-mem protocol is
Yes, bits per word is a device setting. SPI devices can have control protocols that have words larger than a byte with a fixed byte order, many controllers do the required byte swapping.
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