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From: Mark Brown <broonie@kernel.org>
To: Andy Duan <fugang.duan@nxp.com>
Cc: "david@lechnology.com" <david@lechnology.com>,
"rafael@kernel.org" <rafael@kernel.org>,
Robby Cai <robby.cai@nxp.com>,
"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [EXT] Re: Issue: regmap: use debugfs even when no device
Date: Wed, 29 May 2019 12:15:54 +0100 [thread overview]
Message-ID: <20190529111554.GO2456@sirena.org.uk> (raw)
In-Reply-To: <VI1PR0402MB3600AD425469BAF9BCC5CC2FFF1F0@VI1PR0402MB3600.eurprd04.prod.outlook.com>
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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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next prev parent reply other threads:[~2019-05-29 11:16 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <VI1PR0402MB3600F0FB1A031BE502588C93FF1E0@VI1PR0402MB3600.eurprd04.prod.outlook.com>
2019-05-28 13:26 ` Mark Brown
2019-05-29 1:33 ` [EXT] " Andy Duan
2019-05-29 11:15 ` Mark Brown [this message]
2019-05-30 4:56 ` Andy Duan
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