linux-kernel - Re: [PATCH] staging: bcm2835-camera: call function instead of macro

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Date:   Tue, 18 Feb 2020 21:37:11 +0300
From:   Dan Carpenter <dan.carpenter@...cle.com>
To:     Kaaira Gupta <kgupta@...iitr.ac.in>
Cc:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Florian Fainelli <f.fainelli@...il.com>,
        Ray Jui <rjui@...adcom.com>,
        Scott Branden <sbranden@...adcom.com>,
        bcm-kernel-feedback-list@...adcom.com,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: bcm2835-camera: call function instead of macro

On Tue, Feb 18, 2020 at 09:37:28PM +0530, Kaaira Gupta wrote:
> Fix checkpatch.pl warning of 'macro argument reuse' in bcm2835-camera.h
> by removing the macro and calling the function, written in macro in
> bcm2835-camera.h, directly in bcm2835-camera.c
> 
> Signed-off-by: Kaaira Gupta <kgupta@...iitr.ac.in>
> ---
>  .../bcm2835-camera/bcm2835-camera.c           | 28 +++++++++++++++----
>  .../bcm2835-camera/bcm2835-camera.h           | 10 -------
>  2 files changed, 22 insertions(+), 16 deletions(-)
> 
> diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
> index 1ef31a984741..19b3ba80d0e7 100644
> --- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
> +++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
> @@ -919,9 +919,17 @@ static int vidioc_g_fmt_vid_cap(struct file *file, void *priv,
>  	else
>  		f->fmt.pix.colorspace = V4L2_COLORSPACE_SMPTE170M;
>  	f->fmt.pix.priv = 0;
> -
> -	v4l2_dump_pix_format(1, bcm2835_v4l2_debug, &dev->v4l2_dev, &f->fmt.pix,
> -			     __func__);
> +	v4l2_dbg(1, bcm2835_v4l2_debug, &dev->v4l2_dev,
> +		 "%s: w %u h %u field %u pfmt 0x%x bpl %u sz_img %u colorspace 0x%x priv %u\n",
> +		  __func__,
> +		 (&f->fmt.pix)->width,
> +		 (&f->fmt.pix)->height,
> +		 (&f->fmt.pix)->field,
> +		 (&f->fmt.pix)->pixelformat,
> +		 (&f->fmt.pix)->bytesperline,
> +		 (&f->fmt.pix)->sizeimage,
> +		 (&f->fmt.pix)->colorspace,
> +		 (&f->fmt.pix)->priv);

This is not as nice to look at as the original.  Just ignore the
warning.

regards,
dan carpenter