linux-kernel - Re: [PATCH] media: davinci: vpbe: fix build warning

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Date:	Wed, 3 Oct 2012 08:40:53 +0200
From:	Hans Verkuil <hverkuil@...all.nl>
To:	Prabhakar <prabhakar.csengg@...il.com>
Cc:	LMML <linux-media@...r.kernel.org>,
	DLOS <davinci-linux-open-source@...ux.davincidsp.com>,
	Manjunath Hadli <manjunath.hadli@...com>,
	VGER <linux-kernel@...r.kernel.org>,
	"Lad, Prabhakar" <prabhakar.lad@...com>,
	Hans Verkuil <hans.verkuil@...co.com>,
	Mauro Carvalho Chehab <mchehab@...hat.com>
Subject: Re: [PATCH] media: davinci: vpbe: fix build warning

On Wed October 3 2012 08:27:38 Prabhakar wrote:
> From: Lad, Prabhakar <prabhakar.lad@...com>
> 
> recent patch with commit id 4f996594ceaf6c3f9bc42b40c40b0f7f87b79c86
> which makes vidioc_s_crop const, was causing a following build warning,
> 
> vpbe_display.c: In function 'vpbe_display_s_crop':
> vpbe_display.c:640: warning: initialization discards qualifiers from pointer target type
> 
> This patch fixes the above build warning.

Acked-by: Hans Verkuil <hans.verkuil@...co.com>

Prabhaker, can you make a pull request for this patch, the "CUSTOM_TIMINGS"
rename patch and the earlier "vpfe: fix build error" patch? These things
should be fast-tracked.

Regards,

	Hans

> Signed-off-by: Lad, Prabhakar <prabhakar.lad@...com>
> Signed-off-by: Manjunath Hadli <manjunath.hadli@...com>
> Cc: Hans Verkuil <hans.verkuil@...co.com>
> Cc: Mauro Carvalho Chehab <mchehab@...hat.com>
> ---
>  drivers/media/platform/davinci/vpbe_display.c |   20 ++++++++++----------
>  1 files changed, 10 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/media/platform/davinci/vpbe_display.c b/drivers/media/platform/davinci/vpbe_display.c
> index 1b238fe..161c776 100644
> --- a/drivers/media/platform/davinci/vpbe_display.c
> +++ b/drivers/media/platform/davinci/vpbe_display.c
> @@ -637,7 +637,7 @@ static int vpbe_display_s_crop(struct file *file, void *priv,
>  	struct vpbe_device *vpbe_dev = disp_dev->vpbe_dev;
>  	struct osd_layer_config *cfg = &layer->layer_info.config;
>  	struct osd_state *osd_device = disp_dev->osd_device;
> -	struct v4l2_rect *rect = &crop->c;
> +	struct v4l2_rect rect = crop->c;
>  	int ret;
>  
>  	v4l2_dbg(1, debug, &vpbe_dev->v4l2_dev,
> @@ -648,21 +648,21 @@ static int vpbe_display_s_crop(struct file *file, void *priv,
>  		return -EINVAL;
>  	}
>  
> -	if (rect->top < 0)
> -		rect->top = 0;
> -	if (rect->left < 0)
> -		rect->left = 0;
> +	if (rect.top < 0)
> +		rect.top = 0;
> +	if (rect.left < 0)
> +		rect.left = 0;
>  
> -	vpbe_disp_check_window_params(disp_dev, rect);
> +	vpbe_disp_check_window_params(disp_dev, &rect);
>  
>  	osd_device->ops.get_layer_config(osd_device,
>  			layer->layer_info.id, cfg);
>  
>  	vpbe_disp_calculate_scale_factor(disp_dev, layer,
> -					rect->width,
> -					rect->height);
> -	vpbe_disp_adj_position(disp_dev, layer, rect->top,
> -					rect->left);
> +					rect.width,
> +					rect.height);
> +	vpbe_disp_adj_position(disp_dev, layer, rect.top,
> +					rect.left);
>  	ret = osd_device->ops.set_layer_config(osd_device,
>  				layer->layer_info.id, cfg);
>  	if (ret < 0) {
> 
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