On Mon, Sep 16, 2013 at 06:27:35PM +0800, Huang Shijie wrote: > 于 2013年09月16日 18:19, Mark Brown 写道: > > I would expect that most controllers would look just the same as they do > > now except for the additional ability to do quad transfers - it'd just > > get told that some transfers should use more data lines. > The SPI is about the byte streams, but the dummy may be not a byte, the > dummy maybe just 4bit. > It is interesting to handle the dummy issue for the future's SPI controller. I don't know what you mean by "the dummy".
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