Re: [PATCH 1/2] spi: spi-mem: Add the spi_set_xfer_bpw function

[Mark Brown]

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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