Hi,

[auto build test ERROR on gpio/for-next]
[also build test ERROR on v4.7-rc3 next-20160609]
[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/Andrew-F-Davis/gpio-Only-descend-into-gpio-directory-when-CONFIG_GPIOLIB-is-set/20160614-061705
base:   https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-gpio.git for-next
config: arm-s3c6400_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 5.3.1-8) 5.3.1 20160205
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=arm 

All errors (new ones prefixed by >>):

   arch/arm/mach-s3c64xx/built-in.o: In function `crag6410_machine_init':
>> arch/arm/mach-s3c64xx/mach-crag6410.c:854: undefined reference to `gpio_led_register_device'

vim +854 arch/arm/mach-s3c64xx/mach-crag6410.c

e1a3c74f Mark Brown     2011-05-06  838  	s3c_sdhci2_set_platdata(&crag6410_hsmmc2_pdata);
e1a3c74f Mark Brown     2011-05-06  839  
e1a3c74f Mark Brown     2011-05-06  840  	s3c_i2c0_set_platdata(&i2c0_pdata);
8351c7aa Mark Brown     2011-12-02  841  	s3c_i2c1_set_platdata(&i2c1_pdata);
e1a3c74f Mark Brown     2011-05-06  842  	s3c_fb_set_platdata(&crag6410_lcd_pdata);
1f91b4cc Felipe Balbi   2015-08-06  843  	dwc2_hsotg_set_platdata(&crag6410_hsotg_pdata);
e1a3c74f Mark Brown     2011-05-06  844  
e1a3c74f Mark Brown     2011-05-06  845  	i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));
e1a3c74f Mark Brown     2011-05-06  846  	i2c_register_board_info(1, i2c_devs1, ARRAY_SIZE(i2c_devs1));
e1a3c74f Mark Brown     2011-05-06  847  
e1a3c74f Mark Brown     2011-05-06  848  	samsung_keypad_set_platdata(&crag6410_keypad_data);
479535ed Mark Brown     2012-10-17  849  	s3c64xx_spi0_set_platdata(NULL, 0, 2);
e1a3c74f Mark Brown     2011-05-06  850  
799fbf8c Thierry Reding 2015-10-13  851  	pwm_add_table(crag6410_pwm_lookup, ARRAY_SIZE(crag6410_pwm_lookup));
e1a3c74f Mark Brown     2011-05-06  852  	platform_add_devices(crag6410_devices, ARRAY_SIZE(crag6410_devices));
e1a3c74f Mark Brown     2011-05-06  853  
66211f98 Mark Brown     2011-12-29 @854  	gpio_led_register_device(-1, &gpio_leds_pdata);
66211f98 Mark Brown     2011-12-29  855  
ae24c263 Mark Brown     2011-06-22  856  	regulator_has_full_constraints();
ae24c263 Mark Brown     2011-06-22  857  
c656c306 Mark Brown     2011-12-08  858  	s3c64xx_pm_init();
e1a3c74f Mark Brown     2011-05-06  859  }
e1a3c74f Mark Brown     2011-05-06  860  
e1a3c74f Mark Brown     2011-05-06  861  MACHINE_START(WLF_CRAGG_6410, "Wolfson Cragganmore 6410")
e1a3c74f Mark Brown     2011-05-06  862  	/* Maintainer: Mark Brown <broonie@opensource.wolfsonmicro.com> */

:::::: The code at line 854 was first introduced by commit
:::::: 66211f98d611056bf5fe918bbda37c636688574e ARM: S3C64XX: Support GPIO LEDs on Cragganmore

:::::: TO: Mark Brown <broonie@opensource.wolfsonmicro.com>
:::::: CC: Kukjin Kim <kgene.kim@samsung.com>

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