On Thu, Oct 25, 2018 at 02:47:59PM +0100, Richard Fitzgerald wrote: > access. What does regmap debugfs do if you don't have a readables > list? Just reading a debugfs shouldn't be able to kill the hardware. > You might need to add a precious list which is more error prone > than listing the valid readables we are using. It assumes everything is readable unless it's explicitly told otherwise or the register map is overall write only (like a 7x9 one). You could mark the registers as precious to cause it to only do explicit I/O operations on them but that's not what you mean and won't be as good a guarantee that nothing can trigger a read.
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