On Sun, Oct 28, 2012 at 12:36:40AM +0200, Guennadi Liakhovetski wrote: > Looking at regmap.c it looks like the .readable_reg() callback is not > consulted when performing a register read, e.g. in _regmap_raw_read(). Is > this intentional? If yes - why? No real reason, though to be honest it's not that important - the main reason for having the function is to make the debugfs stuff work nicely rather than anything else.