LKML Archive on lore.kernel.org
help / color / mirror / Atom feed
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>

[-- Attachment #1: Type: text/plain, Size: 404 bytes --]

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.

[-- Attachment #2: signature.asc --]
[-- Type: application/pgp-signature, Size: 488 bytes --]

  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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20190529111554.GO2456@sirena.org.uk \
    --to=broonie@kernel.org \
    --cc=david@lechnology.com \
    --cc=fugang.duan@nxp.com \
    --cc=gregkh@linuxfoundation.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rafael@kernel.org \
    --cc=robby.cai@nxp.com \
    --subject='Re: [EXT] Re: Issue: regmap: use debugfs even when no device' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).