Subject: Re: [PATCH -next] v4l2: handle unregister for non-I2C builds

From: Paul Mundt <[email-masked]>
Date: Fri, 22 May 2009 14:48:47 +0900

On Mon, May 11, 2009 at 09:37:41AM -0700, Randy Dunlap wrote:
> From: Randy Dunlap <[email-masked]>
> 
> Build fails when CONFIG_I2C=n, so handle that case in the if block:
> 
> drivers/built-in.o: In function `v4l2_device_unregister':
> (.text+0x157821): undefined reference to `i2c_unregister_device'
> 
> Signed-off-by: Randy Dunlap <[email-masked]>

This patch still has not been applied as far as I can tell, and builds
are still broken as a result, almost 2 weeks after the fact.

> ---
>  drivers/media/video/v4l2-device.c |    2 ++
>  1 file changed, 2 insertions(+)
> 
> --- linux-next-20090511.orig/drivers/media/video/v4l2-device.c
> +++ linux-next-20090511/drivers/media/video/v4l2-device.c
> @@ -85,6 +85,7 @@ void v4l2_device_unregister(struct v4l2_
>  	/* Unregister subdevs */
>  	list_for_each_entry_safe(sd, next, &v4l2_dev->subdevs, list) {
>  		v4l2_device_unregister_subdev(sd);
> +#if defined(CONFIG_I2C) || defined(CONFIG_I2C_MODULE)
>  		if (sd->flags & V4L2_SUBDEV_FL_IS_I2C) {
>  			struct i2c_client *client = v4l2_get_subdevdata(sd);
>  
> @@ -95,6 +96,7 @@ void v4l2_device_unregister(struct v4l2_
>  			if (client)
>  				i2c_unregister_device(client);
>  		}
> +#endif
>  	}
>  }
>  EXPORT_SYMBOL_GPL(v4l2_device_unregister);
> 
> 
> -- 
> ~Randy
> LPC 2009, Sept. 23-25, Portland, Oregon
> http://linuxplumbersconf.org/2009/
> --
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