RE: [PATCH v3 18/20] GPIO: OMAP: Use PM runtime framework

[DebBarma, Tarun Kanti]

[...]
> Let's say GPIO 1 and 2 belong to the same GPIO module.
> Driver A uses GPIO 1 and driver B uses GPIO 2.
> A is just blinking an LED every second whereas B uses GPIO 2 as input.
> 
> both drivers will keep the GPIOs requested as long as they are loaded.
> Why can't you turn off the clocks when nobody is accessing GPIO registers?
Ok, I get your point. I will have patch for off/retention mode support.
--
Tarun
> 
> In your current implementation, the GPIO module will never go idle.
> 
> cheers,
> -roger
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