linux-kernel - Re: [PATCH v2 1/5] media: bcm2835-unicam: Fix build with !PM

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Message-ID: <20240502111130.769402fa@sal.lan>
Date: Thu, 2 May 2024 11:11:30 +0100
From: Mauro Carvalho Chehab <mchehab@...nel.org>
To: Ricardo Ribalda <ribalda@...omium.org>
Cc: Florian Fainelli <florian.fainelli@...adcom.com>, Ray Jui
 <rjui@...adcom.com>, Scott Branden <sbranden@...adcom.com>, Broadcom
 internal kernel review list <bcm-kernel-feedback-list@...adcom.com>, Sakari
 Ailus <sakari.ailus@...ux.intel.com>, Bingbu Cao <bingbu.cao@...el.com>,
 Tianshu Qiu <tian.shu.qiu@...el.com>, linux-media@...r.kernel.org,
 linux-rpi-kernel@...ts.infradead.org, linux-arm-kernel@...ts.infradead.org,
 linux-kernel@...r.kernel.org, Hans Verkuil <hverkuil@...all.nl>
Subject: Re: [PATCH v2 1/5] media: bcm2835-unicam: Fix build with !PM

Em Wed, 01 May 2024 13:08:09 +0000
Ricardo Ribalda <ribalda@...omium.org> escreveu:

> The driver can only match the device vide the DT table, so the table
> should always be used, of_match_ptr does not make sense here.
> 
> Fixes:
> drivers/media/platform/broadcom/bcm2835-unicam.c:2724:34: warning: ‘unicam_of_match’ defined but not used [-Wunused-const-variable=]

Be careful here: Fixes: <patch> is a tag used by stable people to
identify if a patch needs to be backported. Using a Fixes: may cause
such scripts to break.

(it caused a problem on my apply patch script, as it does reorder
fixes tag).

No need to resend it, as I can fix it when applying, but next time
please use something like:

	It fixes this warning:
	drivers/media/platform/broadcom/bcm2835-unicam.c:2724:34: warning: ‘unicam_of_match’ defined but not used [-Wunused-const-variable=]

(or some other similar word that won't be using a defined meta tag
with a different meaning).

Regards,
Mauro

> 
> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
> ---
>  drivers/media/platform/broadcom/bcm2835-unicam.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/media/platform/broadcom/bcm2835-unicam.c b/drivers/media/platform/broadcom/bcm2835-unicam.c
> index bd2bbb53070e..c590e26fe2cf 100644
> --- a/drivers/media/platform/broadcom/bcm2835-unicam.c
> +++ b/drivers/media/platform/broadcom/bcm2835-unicam.c
> @@ -2733,7 +2733,7 @@ static struct platform_driver unicam_driver = {
>  	.driver = {
>  		.name	= UNICAM_MODULE_NAME,
>  		.pm	= pm_ptr(&unicam_pm_ops),
> -		.of_match_table = of_match_ptr(unicam_of_match),
> +		.of_match_table = unicam_of_match,
>  	},
>  };
>  
>