linux-kernel - Re: [PATCH 04/25] ASoC: rockchip: remove unnecessary CONFIG_PM

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Message-ID: <8589f68f-fa6b-d75e-d7be-fbb354adbde0@arm.com>
Date:   Thu, 29 Oct 2020 10:33:52 +0000
From:   Robin Murphy <robin.murphy@....com>
To:     Coiby Xu <coiby.xu@...il.com>, Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>
Cc:     "moderated list:SOUND - SOC LAYER / DYNAMIC AUDIO POWER MANAGEM..." 
        <alsa-devel@...a-project.org>, Heiko Stuebner <heiko@...ech.de>,
        Liam Girdwood <lgirdwood@...il.com>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:ARM/Rockchip SoC support" 
        <linux-rockchip@...ts.infradead.org>,
        Mark Brown <broonie@...nel.org>,
        "moderated list:ARM/Rockchip SoC support" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 04/25] ASoC: rockchip: remove unnecessary CONFIG_PM_SLEEP

On 2020-10-29 07:42, Coiby Xu wrote:
> SET_SYSTEM_SLEEP_PM_OPS has already took good care of CONFIG_PM_CONFIG.

I don't see anything in the !CONFIG_PM_CONFIG side of 
SET_SYSTEM_SLEEP_PM_OPS() that prevents unused function warnings for the 
callbacks - does this change depend on some other patch or is it just wrong?

Robin.

> Signed-off-by: Coiby Xu <coiby.xu@...il.com>
> ---
>   sound/soc/rockchip/rockchip_pdm.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c
> index 5adb293d0435..f3c19310aeeb 100644
> --- a/sound/soc/rockchip/rockchip_pdm.c
> +++ b/sound/soc/rockchip/rockchip_pdm.c
> @@ -574,7 +574,6 @@ static int rockchip_pdm_remove(struct platform_device *pdev)
>   	return 0;
>   }
>   
> -#ifdef CONFIG_PM_SLEEP
>   static int rockchip_pdm_suspend(struct device *dev)
>   {
>   	struct rk_pdm_dev *pdm = dev_get_drvdata(dev);
> @@ -601,7 +600,6 @@ static int rockchip_pdm_resume(struct device *dev)
>   
>   	return ret;
>   }
> -#endif
>   
>   static const struct dev_pm_ops rockchip_pdm_pm_ops = {
>   	SET_RUNTIME_PM_OPS(rockchip_pdm_runtime_suspend,
>