On Wed, May 29, 2019 at 01:33:46AM +0000, Andy Duan wrote: > Correct, regmap without device also has issue when power if off, because > regmap > doesn't implement runtime pm for the device, but maybe device driver implement > the runtime pm for the device.
> So regmap how to manage the clock and power when access registers by debugfs ? Like I say the basic recommendation is to use a cache.
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