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From:   "Rafael J. Wysocki" <rafael@kernel.org>
Date:   Thu, 20 Jul 2023 21:00:02 +0200
Message-ID: <CAJZ5v0j7FjmJytcRs-GPekxwsED-SC2KucDVa_tCoELLkRDPKg@mail.gmail.com>
Subject: Re: [PATCH v2 01/10] pm: Introduce DEFINE_NOIRQ_DEV_PM_OPS() helper
To:     Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc:     Mika Westerberg <mika.westerberg@linux.intel.com>,
        Linus Walleij <linus.walleij@linaro.org>,
        Balsam CHIHI <bchihi@baylibre.com>,
        Claudiu Beznea <claudiu.beznea@microchip.com>,
        Geert Uytterhoeven <geert+renesas@glider.be>,
        Wolfram Sang <wsa+renesas@sang-engineering.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        Paul Cercueil <paul@crapouillou.net>,
        linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mediatek@lists.infradead.org,
        linux-arm-kernel@lists.infradead.org,
        linux-renesas-soc@vger.kernel.org, linux-tegra@vger.kernel.org,
        linux-pm@vger.kernel.org, Andy Shevchenko <andy@kernel.org>,
        Sean Wang <sean.wang@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>,
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        Gregory Clement <gregory.clement@bootlin.com>,
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        Ludovic Desroches <ludovic.desroches@microchip.com>,
        Nicolas Ferre <nicolas.ferre@microchip.com>,
        Alexandre Belloni <alexandre.belloni@bootlin.com>,
        Jonathan Hunter <jonathanh@nvidia.com>,
        "Rafael J. Wysocki" <rafael@kernel.org>,
        Len Brown <len.brown@intel.com>, Pavel Machek <pavel@ucw.cz>
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On Mon, Jul 17, 2023 at 7:28 PM Andy Shevchenko
<andriy.shevchenko@linux.intel.com> wrote:
>
> _DEFINE_DEV_PM_OPS() helps to define PM operations for the system sleep
> and/or runtime PM cases. Some of the existing users want to have _noirq()
> variants to be set. For that purpose introduce a new helper which sets
> up _noirq() callbacks to be set and struct dev_pm_ops be provided.
>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>

Acked-by: Rafael J. Wysocki <rafael@kernel.org>

and please feel free to route this how you see fit.

> ---
>  include/linux/pm.h | 9 +++++++++
>  1 file changed, 9 insertions(+)
>
> diff --git a/include/linux/pm.h b/include/linux/pm.h
> index badad7d11f4f..0f19af8d5493 100644
> --- a/include/linux/pm.h
> +++ b/include/linux/pm.h
> @@ -448,6 +448,15 @@ const struct dev_pm_ops __maybe_unused name = { \
>         SET_RUNTIME_PM_OPS(suspend_fn, resume_fn, idle_fn) \
>  }
>
> +/*
> + * Use this if you want to have the suspend and resume callbacks be called
> + * with disabled IRQs.
> + */
> +#define DEFINE_NOIRQ_DEV_PM_OPS(name, suspend_fn, resume_fn) \
> +const struct dev_pm_ops name = { \
> +       NOIRQ_SYSTEM_SLEEP_PM_OPS(suspend_fn, resume_fn) \
> +}
> +
>  #define pm_ptr(_ptr) PTR_IF(IS_ENABLED(CONFIG_PM), (_ptr))
>  #define pm_sleep_ptr(_ptr) PTR_IF(IS_ENABLED(CONFIG_PM_SLEEP), (_ptr))
>
> --
> 2.40.0.1.gaa8946217a0b
>