linux-kernel - Re: [PATCH 06/12] drivers: media: video: tlg2300: pd-video.c: Include version.h header

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Message-ID: <4F9069F2.8020201@redhat.com>
Date:	Thu, 19 Apr 2012 16:39:30 -0300
From:	Mauro Carvalho Chehab <mchehab@...hat.com>
To:	Marcos Paulo de Souza <marcos.souza.org@...il.com>
CC:	linux-kernel@...r.kernel.org,
	Mauro Carvalho Chehab <mchehab@...radead.org>,
	Huang Shijie <shijie8@...il.com>,
	Kang Yong <kangyong@...egent.com>,
	Zhang Xiaobing <xbzhang@...egent.com>,
	linux-media@...r.kernel.org
Subject: Re: [PATCH 06/12] drivers: media: video: tlg2300: pd-video.c: Include
 version.h header

Em 18-04-2012 01:30, Marcos Paulo de Souza escreveu:
> The output of "make versioncheck" told us that:
> 
> drivers/media/video/tlg2300/pd-video.c: 1669: need linux/version.h
> 
> If we take a look at the code, we can see that this file uses the macro
> KERNEL_VERSION. So, we need this include.

Nack. The right fix here is just the opposite: to remove the KERNEL_VERSION()
call. The V4L2 core now fills it automatically, so drivers shouldn't touch on
cap->version anymore. See the enclosed patch.

> 
> Cc: Mauro Carvalho Chehab <mchehab@...radead.org>
> Cc: Huang Shijie <shijie8@...il.com>
> Cc: Kang Yong <kangyong@...egent.com>
> Cc: Zhang Xiaobing <xbzhang@...egent.com>
> Cc: <linux-media@...r.kernel.org>
> Signed-off-by: Marcos Paulo de Souza <marcos.souza.org@...il.com>
> ---
>  drivers/media/video/tlg2300/pd-video.c |    1 +
>  1 files changed, 1 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/media/video/tlg2300/pd-video.c b/drivers/media/video/tlg2300/pd-video.c
> index a794ae6..069db9a 100644
> --- a/drivers/media/video/tlg2300/pd-video.c
> +++ b/drivers/media/video/tlg2300/pd-video.c
> @@ -5,6 +5,7 @@
>  #include <linux/mm.h>
>  #include <linux/sched.h>
>  #include <linux/slab.h>
> +#include <linux/version.h>
>  
>  #include <media/v4l2-ioctl.h>
>  #include <media/v4l2-dev.h>

commit f8bf305b7103857708cd22b504a70ea4a08022fc
Author: Mauro Carvalho Chehab <mchehab@...hat.com>
Date:   Thu Apr 19 16:35:27 2012 -0300

    tlg2300: Remove usage of KERNEL_VERSION()
    
    As reported by Marcos:
    
    On 04-18-2012 01:30, Marcos Paulo de Souza wrote:
    > The output of "make versioncheck" told us that:
    >
    > drivers/media/video/tlg2300/pd-video.c: 1669: need linux/version.h
    >
    > If we take a look at the code, we can see that this file uses the macro
    > KERNEL_VERSION.
    
    The V4L2 core now fills it automatically, so drivers shouldn't touch on
    cap->version anymore.
    
    Reported by: Marcos Paulo de Souza <marcos.souza.org@...il.com>
    Signed-off-by: Mauro Carvalho Chehab <mchehab@...hat.com>

diff --git a/drivers/media/video/tlg2300/pd-video.c b/drivers/media/video/tlg2300/pd-video.c
index a794ae6..bfbf9e5 100644
--- a/drivers/media/video/tlg2300/pd-video.c
+++ b/drivers/media/video/tlg2300/pd-video.c
@@ -150,7 +150,6 @@ static int vidioc_querycap(struct file *file, void *fh,
 	strcpy(cap->driver, "tele-video");
 	strcpy(cap->card, "Telegent Poseidon");
 	usb_make_path(p->udev, cap->bus_info, sizeof(cap->bus_info));
-	cap->version = KERNEL_VERSION(0, 0, 1);
 	cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_TUNER |
 				V4L2_CAP_AUDIO | V4L2_CAP_STREAMING |
 				V4L2_CAP_READWRITE | V4L2_CAP_VBI_CAPTURE;
--
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