From mboxrd@z Thu Jan  1 00:00:00 1970
From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Subject: Re: [PATCH v2] Input: tsc2005 - Add support for tsc2004
Date: Tue, 27 Oct 2015 22:45:55 -0700
Message-ID: <20151028054555.GB16963@localhost>
References: <1445991421-29938-1-git-send-email-mwelling@ieee.org>
 <201510281243.NRL3sM6Y%fengguang.wu@intel.com>
 <20151028053831.GA10851@deathstar>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Return-path: <linux-input-owner@vger.kernel.org>
Received: from mail-pa0-f54.google.com ([209.85.220.54]:33607 "EHLO
	mail-pa0-f54.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1751367AbbJ1FqL (ORCPT
	<rfc822;linux-input@vger.kernel.org>);
	Wed, 28 Oct 2015 01:46:11 -0400
Content-Disposition: inline
In-Reply-To: <20151028053831.GA10851@deathstar>
Sender: linux-input-owner@vger.kernel.org
List-Id: linux-input@vger.kernel.org
To: Michael Welling <mwelling@ieee.org>
Cc: kbuild test robot <lkp@intel.com>, kbuild-all@01.org, Tony Lindgren <tony@atomide.com>, Pavel Machek <pavel@ucw.cz>, Felipe Balbi <balbi@ti.com>, Sebastian Reichel <sre@kernel.org>, Roger Quadros <rogerq@ti.com>, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org

On Wed, Oct 28, 2015 at 12:38:31AM -0500, Michael Welling wrote:
> On Wed, Oct 28, 2015 at 12:37:35PM +0800, kbuild test robot wrote:
> > Hi Michael,
> > 
> > [auto build test ERROR on input/next -- if it's inappropriate base, please suggest rules for selecting the more suitable base]
> > 
> > url:    https://github.com/0day-ci/linux/commits/Michael-Welling/Input-tsc2005-Add-support-for-tsc2004/20151028-082017
> > config: x86_64-randconfig-s1-10281141 (attached as .config)
> > reproduce:
> >         # save the attached .config to linux build tree
> >         make ARCH=x86_64 
> > 
> > All errors (new ones prefixed by >>):
> > 
> >    drivers/built-in.o: In function `tsc2005_cmd':
> >    tsc2005.c:(.text+0x21a352): undefined reference to `i2c_smbus_write_byte'
> >    drivers/built-in.o: In function `tsc200x_probe_common':
> > >> tsc2005.c:(.text+0x21b554): undefined reference to `__devm_regmap_init_i2c'
> >    drivers/built-in.o: In function `tsc2005_modinit':
> >    tsc2005.c:(.init.text+0xe2b2): undefined reference to `i2c_register_driver'
> >    drivers/built-in.o: In function `tsc2005_exit':
> >    tsc2005.c:(.exit.text+0xf4c): undefined reference to `i2c_del_driver'
> >
> 
> Sorry Mr. Robot but this configuration does not make sense.
> 
> How is CONFIG_REGMAP_I2C=m set without CONFIG_I2C being selected?
> CONFIG_REGMAP_I2C depends on CONFIG_I2C.

The call to devm_regmap_init_i2c() in tsc200x_probe_common() is not
protected by #ifdef guard and we do not have stub for it in case of
!CONFIG_I2C.

Thanks.

-- 
Dmitry