Re: [PATCH] media: fix hdpvr build warning

From: Mauro Carvalho Chehab
Date: Thu Mar 21 2013 - 14:45:35 EST


Em Tue, 12 Mar 2013 11:40:29 -0700
Randy Dunlap <rdunlap@xxxxxxxxxxxxx> escreveu:

> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>
> 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@xxxxxxxxxxxxx>
> Reported-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
> Cc: Janne Grunau <j@xxxxxxxxxx>

>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.

-

[PATCH] Use the proper check for I2C support

As reported by Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>:

drivers/media/usb/hdpvr/hdpvr-video.c: warning: "CONFIG_I2C_MODULE" is not defined [-Wundef]

Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>

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
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