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

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Date:	Thu, 21 Mar 2013 18:08:57 -0300
From:	Mauro Carvalho Chehab <mchehab@...hat.com>
To:	Randy Dunlap <rdunlap@...radead.org>
Cc:	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Linux Kernel Development <linux-kernel@...r.kernel.org>,
	Janne Grunau <j@...nau.net>,
	linux-media <linux-media@...r.kernel.org>,
	Hans Verkuil <hans.verkuil@...co.com>
Subject: Re: [PATCH] media: fix hdpvr build warning

Em Thu, 21 Mar 2013 11:57:24 -0700
Randy Dunlap <rdunlap@...radead.org> escreveu:

> On 03/21/13 11:45, Mauro Carvalho Chehab wrote:
> > Em Tue, 12 Mar 2013 11:40:29 -0700
> > Randy Dunlap <rdunlap@...radead.org> escreveu:
> > 
> >> From: Randy Dunlap <rdunlap@...radead.org>
> >>
> >> Fix build warning in hdpvr:
> >>
> >> drivers/media/usb/hdpvr/hdpvr-video.c: warning: "CONFIG_I2C_MODULE" is not defined [-Wundef]
> >>
> >> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> >> Reported-by: Geert Uytterhoeven <geert@...ux-m68k.org>
> >> Cc: Janne Grunau <j@...nau.net>
> > 
> > From time to time, people used to write those checks wrong. So,
> > we're now using a macro to avoid those problems (IS_ENABLED). The better
> > is to also use it here.
> > 
> 
> From time to time, people omit including header files that should be
> included.

Heh ;)

> Please add
> 
> #include <linux/kconfig.h>
> 
> to this patch.


Ok, I'll do it.
> 
> Thank you.
> 
> 
> > -
> > 
> > [PATCH] Use the proper check for I2C support
> > 
> > As reported by Geert Uytterhoeven <geert@...ux-m68k.org>:
> > 
> > 	drivers/media/usb/hdpvr/hdpvr-video.c: warning: "CONFIG_I2C_MODULE" is not defined [-Wundef]
> > 
> > Signed-off-by: Mauro Carvalho Chehab <mchehab@...hat.com>
> > 
> > diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c
> > index da6b779..554d2eb 100644
> > --- a/drivers/media/usb/hdpvr/hdpvr-video.c
> > +++ b/drivers/media/usb/hdpvr/hdpvr-video.c
> > @@ -1238,7 +1238,7 @@ static void hdpvr_device_release(struct video_device *vdev)
> >  	v4l2_device_unregister(&dev->v4l2_dev);
> >  
> >  	/* deregister I2C adapter */
> > -#if defined(CONFIG_I2C) || (CONFIG_I2C_MODULE)
> > +#if IS_ENABLED(CONFIG_I2C)
> >  	mutex_lock(&dev->i2c_mutex);
> >  	i2c_del_adapter(&dev->i2c_adapter);
> >  	mutex_unlock(&dev->i2c_mutex);
> > 
> > Cheers,
> > Mauro
> > 
> 
> 


-- 

Cheers,
Mauro
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