linux-kernel - Re: [PATCH] media: uvcvideo: Log driver load in uvc

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Message-ID: <20250801150430.GC4906@pendragon.ideasonboard.com>
Date: Fri, 1 Aug 2025 18:04:30 +0300
From: Laurent Pinchart <laurent.pinchart@...asonboard.com>
To: Imene Jaziri <imenjazirii18@...il.com>
Cc: linux-media@...r.kernel.org, hansg@...nel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] media: uvcvideo: Log driver load in uvc_probe function

Hi,

On Fri, Aug 01, 2025 at 03:53:26PM +0100, Imene Jaziri wrote:
> Add a pr_info() in the uvc_probe function to trace when the
> uvcvideo driver is loaded. This is for learning purposes.

What part of the learning instructions you are following instructed you
to submit this patch to kernel mailing lists ? We are regularly spammed
by similar patches, which indicates the instructions are not clear
enough.

> Signed-off-by: Imene Jaziri <imenjazirii18@...il.com>
> ---
>  drivers/media/usb/uvc/uvc_driver.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
> index da24a655ab68..4e5d1d636640 100644
> --- a/drivers/media/usb/uvc/uvc_driver.c
> +++ b/drivers/media/usb/uvc/uvc_driver.c
> @@ -2170,7 +2170,6 @@ static int uvc_probe(struct usb_interface *intf,
>  		(const struct uvc_device_info *)id->driver_info;
>  	int function;
>  	int ret;
> -
>  	/* Allocate memory for the device and initialize it. */
>  	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
>  	if (dev == NULL)
> @@ -2188,7 +2187,7 @@ static int uvc_probe(struct usb_interface *intf,
>  	dev->info = info ? info : &uvc_quirk_none;
>  	dev->quirks = uvc_quirks_param == -1
>  		    ? dev->info->quirks : uvc_quirks_param;
> -
> +	pr_info("I changed uvcvideo driver in the Linux Kernel\n");
>  	if (id->idVendor && id->idProduct)
>  		uvc_dbg(dev, PROBE, "Probing known UVC device %s (%04x:%04x)\n",
>  			udev->devpath, id->idVendor, id->idProduct);

-- 
Regards,

Laurent Pinchart