linux-kernel - Re: [PATCH] phy/motorola: using pm_runtime_resume_and_get instead of pm_runtime_get

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Message-ID: <YlasOb7q7ocMJ54i@matsya>
Date:   Wed, 13 Apr 2022 16:25:53 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     cgel.zte@...il.com
Cc:     kishon@...com, linux-phy@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Minghao Chi <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: Re: [PATCH] phy/motorola: using pm_runtime_resume_and_get instead of
 pm_runtime_get_sync

On 13-04-22, 09:36, cgel.zte@...il.com wrote:
> From: Minghao Chi <chi.minghao@....com.cn>
> 
> Using pm_runtime_resume_and_get is more appropriate
> for simplifing code

Can you explain why is it more appropriate?

> 
> Reported-by: Zeal Robot <zealci@....com.cn>

where is this report?

> Signed-off-by: Minghao Chi <chi.minghao@....com.cn>
> ---
>  drivers/phy/motorola/phy-mapphone-mdm6600.c | 10 +++-------
>  1 file changed, 3 insertions(+), 7 deletions(-)
> 
> diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c b/drivers/phy/motorola/phy-mapphone-mdm6600.c
> index 5172971f4c36..8738d512131d 100644
> --- a/drivers/phy/motorola/phy-mapphone-mdm6600.c
> +++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c
> @@ -253,12 +253,9 @@ static irqreturn_t phy_mdm6600_wakeirq_thread(int irq, void *data)
>  		return IRQ_NONE;
>  
>  	dev_dbg(ddata->dev, "OOB wake on mode_gpio1: %i\n", wakeup);
> -	error = pm_runtime_get_sync(ddata->dev);
> -	if (error < 0) {
> -		pm_runtime_put_noidle(ddata->dev);
> -
> +	error = pm_runtime_resume_and_get(ddata->dev);
> +	if (error < 0)
>  		return IRQ_NONE;
> -	}
>  
>  	/* Just wake-up and kick the autosuspend timer */
>  	pm_runtime_mark_last_busy(ddata->dev);
> @@ -601,10 +598,9 @@ static int phy_mdm6600_probe(struct platform_device *pdev)
>  	pm_runtime_set_autosuspend_delay(ddata->dev,
>  					 MDM6600_MODEM_IDLE_DELAY_MS);
>  	pm_runtime_enable(ddata->dev);
> -	error = pm_runtime_get_sync(ddata->dev);
> +	error = pm_runtime_resume_and_get(ddata->dev);
>  	if (error < 0) {
>  		dev_warn(ddata->dev, "failed to wake modem: %i\n", error);
> -		pm_runtime_put_noidle(ddata->dev);
>  		goto cleanup;
>  	}
>  
> -- 
> 2.25.1
> 

-- 
~Vinod