linux-kernel - Re: [PATCH] dmaengine: at_xdmac: fix compilation warning

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Date:   Mon, 25 Oct 2021 08:34:24 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <Claudiu.Beznea@...rochip.com>, <Ludovic.Desroches@...rochip.com>,
        <vkoul@...nel.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <dmaengine@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <lkp@...el.com>
Subject: Re: [PATCH] dmaengine: at_xdmac: fix compilation warning

On 10/25/21 10:40 AM, Claudiu Beznea wrote:
> Fixed "unused variable 'atmel_xdmac_dev_pm_ops'" compilation warning
> when CONFIG_PM is not defined.
> 
> Fixes: 8e0c7e486014 ("dmaengine: at_xdmac: use pm_ptr()")
> Reported-by: kernel test robot <lkp@...el.com>
> Signed-off-by: Claudiu Beznea <claudiu.beznea@...rochip.com>

Reviewed-by: Tudor Ambarus <tudor.ambarus@...rochip.com>

> ---
>  drivers/dma/at_xdmac.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c
> index 7fb19bd18ac3..f5d053df66a5 100644
> --- a/drivers/dma/at_xdmac.c
> +++ b/drivers/dma/at_xdmac.c
> @@ -2207,7 +2207,7 @@ static int at_xdmac_remove(struct platform_device *pdev)
>  	return 0;
>  }
>  
> -static const struct dev_pm_ops atmel_xdmac_dev_pm_ops = {
> +static const struct dev_pm_ops __maybe_unused atmel_xdmac_dev_pm_ops = {
>  	.prepare	= atmel_xdmac_prepare,
>  	SET_LATE_SYSTEM_SLEEP_PM_OPS(atmel_xdmac_suspend, atmel_xdmac_resume)
>  };
>