On Fri, Apr 04, 2014 at 07:38:14PM +0530, Harini Katakam wrote: > OK. I understand. > Can you comment on the case where a decoder is used? > There is support for adding a decoder where extended slaves can be selected > through the IP's control register. > (This is not currently implemented in the driver but will be in the future.) > How should the driver know whether it is 4 or 16 select lines for example? > This has to be written to master->num_chipselect. That's the sort of case where it's useful yes - depending on how the implementation is done it may be sensible to just have a property specifying if a decoder is there (if it just changes the encoding in the register for example).
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