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Date:   Wed, 25 Jan 2017 19:18:36 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Furquan Shaikh <furquan@...omium.org>
Cc:     kbuild-all@...org, "Rafael J . Wysocki" <rjw@...ysocki.net>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Tony Lindgren <tony@...mide.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Len Brown <lenb@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Hanjun Guo <hanjun.guo@...aro.org>,
        Will Deacon <will.deacon@....com>,
        Rob Herring <robh@...nel.org>,
        Sathyanarayana Nujella <sathyanarayana.nujella@...el.com>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Adam Thomson <Adam.Thomson.Opensource@...semi.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        linux-gpio@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        Furquan Shaikh <furquan@...omium.org>,
        Dmitry Torokhov <dtor@...omium.org>
Subject: Re: [PATCH 6/7] drivers/gpio: Add and export gpiod_lookup[_index]

Hi Furquan,

[auto build test ERROR on regulator/for-next]
[also build test ERROR on v4.10-rc5 next-20170125]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/Furquan-Shaikh/Implement-generic-regulator-constraints-parsing-for-ACPI-and-OF/20170125-171807
base:   https://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator.git for-next
config: i386-randconfig-x004-201704 (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
        # save the attached .config to linux build tree
        make ARCH=i386 

All errors (new ones prefixed by >>):

   drivers/gpio/gpiolib.c: In function 'gpiod_lookup_index':
>> drivers/gpio/gpiolib.c:3221:44: error: 'flags' undeclared (first use in this function)
       desc = acpi_find_gpio(dev, con_id, idx, flags, &lookupflags);
                                               ^~~~~
   drivers/gpio/gpiolib.c:3221:44: note: each undeclared identifier is reported only once for each function it appears in

vim +/flags +3221 drivers/gpio/gpiolib.c

bae48da23 Alexandre Courbot 2013-10-17  3215  		/* Using device tree? */
4d8440b93 Rafael J. Wysocki 2015-03-10  3216  		if (IS_ENABLED(CONFIG_OF) && dev->of_node) {
bae48da23 Alexandre Courbot 2013-10-17  3217  			dev_dbg(dev, "using device tree for GPIO lookup\n");
39b2bbe3d Alexandre Courbot 2014-07-25  3218  			desc = of_find_gpio(dev, con_id, idx, &lookupflags);
4d8440b93 Rafael J. Wysocki 2015-03-10  3219  		} else if (ACPI_COMPANION(dev)) {
81f59e9d1 Mika Westerberg   2013-10-10  3220  			dev_dbg(dev, "using ACPI for GPIO lookup\n");
25487533f Dmitry Torokhov   2016-03-24 @3221  			desc = acpi_find_gpio(dev, con_id, idx, flags, &lookupflags);
35c5d7fdc Alexandre Courbot 2013-11-23  3222  		}
4d8440b93 Rafael J. Wysocki 2015-03-10  3223  	}
35c5d7fdc Alexandre Courbot 2013-11-23  3224  

:::::: The code at line 3221 was first introduced by commit
:::::: 25487533ff311014b0cc39ed7fd721c114e1b11f gpio / ACPI: ignore GpioInt() GPIOs when requesting GPIO_OUT_*

:::::: TO: Dmitry Torokhov <dtor@...omium.org>
:::::: CC: Linus Walleij <linus.walleij@...aro.org>

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