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

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Date:	Wed, 3 Oct 2012 12:15:19 +0530
From:	Prabhakar Lad <prabhakar.csengg@...il.com>
To:	Hans Verkuil <hverkuil@...all.nl>
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

Hi Hans,

On Wed, Oct 3, 2012 at 12:10 PM, Hans Verkuil <hverkuil@...all.nl> wrote:
> 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.
>
Yes I will issue a pull request today.

Regards,
--Prabhakar Lad

> 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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