Hi Mark, On Fri, Apr 4, 2014 at 8:12 PM, Mark Brown <broonie@xxxxxxxxxx> wrote: > 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). OK, great. That approach will work. Regards, Harini -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
