linux-kernel - Re: [PATCH 11/11] ASoC: ti: davinci-mcasp: use pm_runtime_resume_and

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Date:   Fri, 17 Jun 2022 15:28:59 +0300
From:   Péter Ujfalusi <peter.ujfalusi@...il.com>
To:     Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>,
        alsa-devel@...a-project.org
Cc:     tiwai@...e.de, broonie@...nel.org,
        Cezary Rojewski <cezary.rojewski@...el.com>,
        Amadeusz Sławiński 
        <amadeuszx.slawinski@...ux.intel.com>,
        Bard Liao <yung-chuan.liao@...ux.intel.com>,
        Kai Vehmanen <kai.vehmanen@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>,
        open list <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 11/11] ASoC: ti: davinci-mcasp: use
 pm_runtime_resume_and_get()

Hi Pierre,

On 17/06/2022 01:04, Pierre-Louis Bossart wrote:
> The use of pm_runtime_get_sync() is buggy with no use of put_noidle on
> error.
> 
> Use pm_runtime_resume_and_get() instead.

Thanks for the fix,

Acked-by: Peter Ujfalusi <peter.ujfalusi@...il.com>

> 
> Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
> Reviewed-by: Bard Liao <yung-chuan.liao@...ux.intel.com>
> Reviewed-by: Kai Vehmanen <kai.vehmanen@...ux.intel.com>
> Reviewed-by: Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>
> ---
>  sound/soc/ti/davinci-mcasp.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/sound/soc/ti/davinci-mcasp.c b/sound/soc/ti/davinci-mcasp.c
> index e2aab4729f3ab..0201000b619f6 100644
> --- a/sound/soc/ti/davinci-mcasp.c
> +++ b/sound/soc/ti/davinci-mcasp.c
> @@ -2111,8 +2111,7 @@ static int davinci_mcasp_gpio_request(struct gpio_chip *chip, unsigned offset)
>  	}
>  
>  	/* Do not change the PIN yet */
> -
> -	return pm_runtime_get_sync(mcasp->dev);
> +	return pm_runtime_resume_and_get(mcasp->dev);
>  }
>  
>  static void davinci_mcasp_gpio_free(struct gpio_chip *chip, unsigned offset)

-- 
Péter