linux-kernel - Re: [PATCH v3 2/5] spi: spi-nxp-fspi: enable runtime pm for fspi

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Message-ID: <aBPdy8rR8M9x38w9@finisterre.sirena.org.uk>
Date: Fri, 2 May 2025 05:47:07 +0900
From: Mark Brown <broonie@...nel.org>
To: Haibo Chen <haibo.chen@....com>
Cc: Han Xu <han.xu@....com>, Yogesh Gaur <yogeshgaur.83@...il.com>,
	linux-spi@...r.kernel.org, imx@...ts.linux.dev,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/5] spi: spi-nxp-fspi: enable runtime pm for fspi

On Mon, Apr 28, 2025 at 06:06:44PM +0800, Haibo Chen wrote:
> Enable the runtime PM in fspi driver.
> Also for system PM, On some board like i.MX8ULP-EVK board,
> after system suspend, IOMUX module will lost power, so all
> the pinctrl setting will lost when system resume back, need
> driver to save/restore the pinctrl setting.

I think I would expect the pinctrl driver to deal with restoring the pin
status over resume?  But perhaps that's not the way that API works?

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