From: Mark Brown <broonie@kernel.org>
To: Peter Chen <peter.chen@nxp.com>
Cc: lgirdwood@gmail.com, linux-kernel@vger.kernel.org, linux-imx@nxp.com
Subject: Re: [PATCH 1/1] regulator: fixed: add system pm routines for pinctrl
Date: Thu, 12 Mar 2020 11:47:12 +0000 [thread overview]
Message-ID: <20200312114712.GA4038@sirena.org.uk> (raw)
In-Reply-To: <20200312103804.24174-1-peter.chen@nxp.com>
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On Thu, Mar 12, 2020 at 06:38:04PM +0800, Peter Chen wrote:
> At some systems, the pinctrl setting will be lost and needs to
> set as "sleep" state to save power consumption after system
> enters suspend. So, we need to configure pinctrl as "sleep" state
> when system enters suspend, and set it as "default" state after
> system resume. In this way, the pinctrl value can be recovered
> as "default" state after resuming.
Which pins exactly is this controlling? I would not expect a fixed
voltage regulator to have pinctrl support, this feels like it's papering
over some other issue.
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next prev parent reply other threads:[~2020-03-12 11:47 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-12 10:38 [PATCH 1/1] regulator: fixed: add system pm routines for pinctrl Peter Chen
2020-03-12 11:47 ` Mark Brown [this message]
2020-03-12 13:00 ` Peter Chen
2020-03-12 14:37 ` Mark Brown
2020-03-12 15:03 ` Peter Chen
2020-03-12 15:07 ` Mark Brown
2020-03-13 3:08 ` Peter Chen
2020-03-13 12:11 ` Mark Brown
2020-03-13 13:16 ` Peter Chen
2020-03-13 13:29 ` Mark Brown
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