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Date:   Wed, 29 May 2019 12:15:54 +0100
From:   Mark Brown <>
To:     Andy Duan <>
Cc:     "" <>,
        "" <>,
        Robby Cai <>,
        "" <>,
        linux-kernel <>
Subject: Re: [EXT] Re: Issue: regmap: use debugfs even when no device

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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