linux-kernel - Re: [PATCH 02/14] pinctrl: pinctrl-single: move suspend/resume to suspend_noirq/resume

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Message-ID: <CAHp75Verff06LE0QFaDRoun=ANpGfVU1tHknvvQZd_KyzLVP5Q@mail.gmail.com>
Date: Mon, 15 Jan 2024 22:02:01 +0200
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Thomas Richard <thomas.richard@...tlin.com>
Cc: Linus Walleij <linus.walleij@...aro.org>, Bartosz Golaszewski <brgl@...ev.pl>, 
	Andy Shevchenko <andy@...nel.org>, Tony Lindgren <tony@...mide.com>, 
	Haojian Zhuang <haojian.zhuang@...aro.org>, Vignesh R <vigneshr@...com>, 
	Aaro Koskinen <aaro.koskinen@....fi>, Janusz Krzysztofik <jmkrzyszt@...il.com>, 
	Andi Shyti <andi.shyti@...nel.org>, Peter Rosin <peda@...ntia.se>, Vinod Koul <vkoul@...nel.org>, 
	Kishon Vijay Abraham I <kishon@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
	Tom Joseph <tjoseph@...ence.com>, Lorenzo Pieralisi <lpieralisi@...nel.org>, 
	Krzysztof Wilczyński <kw@...ux.com>, 
	Rob Herring <robh@...nel.org>, Bjorn Helgaas <bhelgaas@...gle.com>, linux-gpio@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-omap@...r.kernel.org, linux-i2c@...r.kernel.org, 
	linux-phy@...ts.infradead.org, linux-pci@...r.kernel.org, 
	gregory.clement@...tlin.com, theo.lebrun@...tlin.com, 
	thomas.petazzoni@...tlin.com, u-kumar1@...com
Subject: Re: [PATCH 02/14] pinctrl: pinctrl-single: move suspend/resume to suspend_noirq/resume_noirq

On Mon, Jan 15, 2024 at 6:16 PM Thomas Richard
<thomas.richard@...tlin.com> wrote:
>
> The goal is to extend the active period of pinctrl.
> Some devices may need active pinctrl after suspend and/or before resume.
> So move suspend/resume to suspend_noirq/resume_noirq to have active
> pinctrl until suspend_noirq (included), and from resume_noirq
> (included).

->...callback...()
(Same comment I have given for the first patch)

..

>         struct pcs_device *pcs;
>
> -       pcs = platform_get_drvdata(pdev);
> +       pcs = dev_get_drvdata(dev);
>         if (!pcs)
>                 return -EINVAL;

Drop dead code.
This should be simple one line after your change.

       struct pcs_device *pcs = dev_get_drvdata(dev);

..

>         struct pcs_device *pcs;
>
> -       pcs = platform_get_drvdata(pdev);
> +       pcs = dev_get_drvdata(dev);
>         if (!pcs)
>                 return -EINVAL;

Ditto.

..

> +static const struct dev_pm_ops pinctrl_single_pm_ops = {
> +       SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(pinctrl_single_suspend_noirq,
> +                                     pinctrl_single_resume_noirq)
> +};

Use proper / modern macro.

..

>  #endif

Why ifdeferry is needed (esp. taking into account pm_ptr() use below)?

-- 
With Best Regards,
Andy Shevchenko