linux-kernel - Re: [PATCH v2 04/10] staging: media: zoran: add debugfs

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Date:   Thu, 14 Oct 2021 10:37:52 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Corentin Labbe <clabbe@...libre.com>
Cc:     mchehab@...nel.org, hverkuil@...all.nl, gregkh@...uxfoundation.org,
        linux-kernel@...r.kernel.org, linux-media@...r.kernel.org,
        linux-staging@...ts.linux.dev, mjpeg-users@...ts.sourceforge.net
Subject: Re: [PATCH v2 04/10] staging: media: zoran: add debugfs

On Wed, Oct 13, 2021 at 06:58:06PM +0000, Corentin Labbe wrote:
> +config VIDEO_ZORAN_DEBUG
> +	bool "Enable zoran debugfs"
> +	depends on VIDEO_ZORAN
> +	depends on DEBUG_FS
> +	help
> +	  Say y to enable zoran debug file.
> +	  This will create /sys/kernel/debug/CARD_NAME/debug for displaying
> +	  stats and debug information.

Why bother with a CONFIG?  Just make it always on?

> @@ -1286,6 +1321,12 @@ static int zoran_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
>  
>  	zr->map_mode = ZORAN_MAP_MODE_RAW;
>  
> +#ifdef CONFIG_VIDEO_ZORAN_DEBUG
> +	zr->dbgfs_dir = debugfs_create_dir(ZR_DEVNAME(zr), NULL);
> +	debugfs_create_file("debug", 0444,
> +					      zr->dbgfs_dir, zr,
> +					      &zoran_debugfs_fops);

This whitespace is weird.

regards,
dan carpenter