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

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Message-Id: <20090522175554.19465733.sfr@canb.auug.org.au>
Date:	Fri, 22 May 2009 17:55:54 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Mauro Carvalho Chehab <mchehab@...radead.org>
Cc:	Paul Mundt <lethal@...ux-sh.org>,
	Randy Dunlap <randy.dunlap@...cle.com>,
	linux-next@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
	linux-media@...r.kernel.org, Hans Verkuil <hverkuil@...all.nl>
Subject: Re: [PATCH -next] v4l2: handle unregister for non-I2C builds

On Fri, 22 May 2009 14:48:47 +0900 Paul Mundt <lethal@...ux-sh.org> wrote:
>
> On Mon, May 11, 2009 at 09:37:41AM -0700, Randy Dunlap wrote:
> > From: Randy Dunlap <randy.dunlap@...cle.com>
> > 
> > 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 <randy.dunlap@...cle.com>
> 
> 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.

In fact there has been no updates to the v4l-dvb tree at all since
May 11.  Mauro?

I have reverted the patch that caused the build breakage ... (commit
d5bc7940d39649210f1affac1fa32f253cc45a81 "V4L/DVB (11673): v4l2-device:
unregister i2c_clients when unregistering the v4l2_device").

[By the way, an alternative fix might be to just define
V4L2_SUBDEV_FL_IS_I2C to be zero if CONFIG_I2C and CONFIG_I2C_MODULE are
not defined (gcc should then just elide the offending code).]
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au
http://www.canb.auug.org.au/~sfr/

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