On Thu, 2013-09-12 at 22:58 -0400, Huang Shijie wrote: > > But for the quadspi driver, it does not need this information. > > When the drivers knows that it is a Quad-read transaction, it will uses > the relative LUT sequence which uses the 4 lines. But the controller driver shouldn't *have* that incestuous knowledge of the command set of the chip that happens to be connected to it. That's what we're *complaining* about. It *should* "need this information", and should just do what it's *told* to do by the slave device driver. -- dwmw2
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