linux-kernel - Re: [PATCH v2] gpio: pca953x: do not enable regmap cache when there is no regulator

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Message-ID: <9b214857-4cea-4480-86b3-0e469ce9e36f@sirena.org.uk>
Date: Mon, 2 Dec 2024 13:19:35 +0000
From: Mark Brown <broonie@...nel.org>
To: Bough Chen <haibo.chen@....com>
Cc: "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
	"brgl@...ev.pl" <brgl@...ev.pl>,
	"lgirdwood@...il.com" <lgirdwood@...il.com>,
	"marek.vasut@...il.com" <marek.vasut@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>
Subject: Re: [PATCH v2] gpio: pca953x: do not enable regmap cache when there
 is no regulator

On Fri, Nov 29, 2024 at 02:26:13AM +0000, Bough Chen wrote:

> I once thought to move current system PM to NOIRQ PM, but seems not all i2c bus controller support i2c operation during NOIRQ PM.
> Let me think whether there is a better solution, or do you have any suggestion?

I'm not sure we have any better option than also moving the I2C
controllers TBH.

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