linux-kernel - Re: [PATCH 2/3] rtc: ds1685: use correct device struct to get platform device struct

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Message-ID: <20190412101106.GU3578@piout.net>
Date:   Fri, 12 Apr 2019 12:11:06 +0200
From:   Alexandre Belloni <alexandre.belloni@...tlin.com>
To:     Thomas Bogendoerfer <tbogendoerfer@...e.de>
Cc:     Joshua Kinard <kumba@...too.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/3] rtc: ds1685: use correct device struct to get
 platform device struct

Hi,

Every patch need a commit message. Maybe you could indicate that this
never gave any issue because parent is the first member of struct
device.

On 11/04/2019 16:33:22+0200, Thomas Bogendoerfer wrote:
> Fixes: aaaf5fbf56f1 ("rtc: add driver for DS1685 family of real time clocks")
> Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@...e.de>
> ---
>  drivers/rtc/rtc-ds1685.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/rtc/rtc-ds1685.c b/drivers/rtc/rtc-ds1685.c
> index 2f5194df239e..929f28375b87 100644
> --- a/drivers/rtc/rtc-ds1685.c
> +++ b/drivers/rtc/rtc-ds1685.c
> @@ -655,7 +655,7 @@ ds1685_rtc_work_queue(struct work_struct *work)
>  {
>  	struct ds1685_priv *rtc = container_of(work,
>  					       struct ds1685_priv, work);
> -	struct platform_device *pdev = to_platform_device(&rtc->dev->dev);
> +	struct platform_device *pdev = to_platform_device(rtc->dev->dev.parent);
>  	struct mutex *rtc_mutex = &rtc->dev->ops_lock;
>  	u8 ctrl4a, ctrl4b;
>  
> -- 
> 2.13.7
> 

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com