linux-kernel - Re: [PATCH v2 3/4] pinctrl: amd: Use pm_pr

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Date:   Wed, 24 May 2023 20:28:05 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     andy.shevchenko@...il.com
Cc:     Mario Limonciello <mario.limonciello@....com>, rafael@...nel.org,
        hdegoede@...hat.com, linus.walleij@...aro.org,
        linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-gpio@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        linux-pm@...r.kernel.org, Shyam-sundar.S-k@....com,
        Basavaraj.Natikar@....com
Subject: Re: [PATCH v2 3/4] pinctrl: amd: Use pm_pr_dbg to show debugging messages

On Tue, May 23, 2023 at 6:55 PM <andy.shevchenko@...il.com> wrote:
>
> Mon, May 22, 2023 at 03:00:32PM -0500, Mario Limonciello kirjoitti:
> > To make the GPIO tracking around suspend easier for end users to
> > use, link it with pm_debug_messages.  This will make discovering
> > sources of spurious GPIOs around suspend easier.
>
> Unfortunatelly this has two regressions.
>
> ...
>
> > -                             dev_dbg(&gpio_dev->pdev->dev,
> > -                                     "GPIO %d is active: 0x%x",
> > -                                     irqnr + i, regval);
> > +                             pm_pr_dbg("GPIO %d is active: 0x%x",
> > +                                       irqnr + i, regval);
>
> Regression 1: The device is now omitted from the output.

Right.

> Regression 2: See https://stackoverflow.com/a/43957671/2511795

Care to elaborate?  I'm not sure what you mean exactly.