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SubjectRe: [PATCH] media: fix hdpvr build warning
On 03/21/13 11:45, Mauro Carvalho Chehab wrote:
> Em Tue, 12 Mar 2013 11:40:29 -0700
> Randy Dunlap <rdunlap@infradead.org> escreveu:
>
>> From: Randy Dunlap <rdunlap@infradead.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@infradead.org>
>> Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
>> Cc: Janne Grunau <j@jannau.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. Please add

#include <linux/kconfig.h>

to this patch.

Thank you.


> -
>
> [PATCH] Use the proper check for I2C support
>
> As reported by Geert Uytterhoeven <geert@linux-m68k.org>:
>
> drivers/media/usb/hdpvr/hdpvr-video.c: warning: "CONFIG_I2C_MODULE" is not defined [-Wundef]
>
> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.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
>


--
~Randy


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