linux-kernel - Re: [PATCH v3 2/3] iio: adc: Support ROHM BD79112 ADC/GPIO

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Message-ID: <202509090302.DzgxdNbE-lkp@intel.com>
Date: Tue, 9 Sep 2025 04:01:53 +0800
From: kernel test robot <lkp@...el.com>
To: Matti Vaittinen <matti.vaittinen@...rohmeurope.com>,
	Matti Vaittinen <mazziesaccount@...il.com>
Cc: oe-kbuild-all@...ts.linux.dev, Jonathan Cameron <jic23@...nel.org>,
	David Lechner <dlechner@...libre.com>,
	Nuno Sá <nuno.sa@...log.com>,
	Andy Shevchenko <andy@...nel.org>, Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Marcelo Schmitt <marcelo.schmitt@...log.com>,
	Javier Carrasco <javier.carrasco.cruz@...il.com>,
	Tobias Sperling <tobias.sperling@...ting.com>,
	Antoniu Miclaus <antoniu.miclaus@...log.com>,
	Trevor Gamblin <tgamblin@...libre.com>,
	Esteban Blanc <eblanc@...libre.com>,
	Ramona Alexandra Nechita <ramona.nechita@...log.com>,
	Hans de Goede <hansg@...nel.org>,
	Herve Codina <herve.codina@...tlin.com>,
	Alisa-Dariana Roman <alisadariana@...il.com>,
	linux-iio@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org
Subject: Re: [PATCH v3 2/3] iio: adc: Support ROHM BD79112 ADC/GPIO

Hi Matti,

kernel test robot noticed the following build errors:

[auto build test ERROR on d1487b0b78720b86ec2a2ac7acc683ec90627e5b]

url:    https://github.com/intel-lab-lkp/linux/commits/Matti-Vaittinen/dt-bindings-iio-adc-ROHM-BD79112-ADC-GPIO/20250905-144454
base:   d1487b0b78720b86ec2a2ac7acc683ec90627e5b
patch link:    https://lore.kernel.org/r/3cc1faffcb4f71f0755b6192f193acecd36bea67.1757053456.git.mazziesaccount%40gmail.com
patch subject: [PATCH v3 2/3] iio: adc: Support ROHM BD79112 ADC/GPIO
config: i386-randconfig-r133-20250908 (https://download.01.org/0day-ci/archive/20250909/202509090302.DzgxdNbE-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250909/202509090302.DzgxdNbE-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202509090302.DzgxdNbE-lkp@intel.com/

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "spi_sync" [drivers/base/regmap/regmap-spi.ko] undefined!
>> ERROR: modpost: "spi_async" [drivers/base/regmap/regmap-spi.ko] undefined!
>> ERROR: modpost: "spi_write_then_read" [drivers/base/regmap/regmap-spi.ko] undefined!
>> ERROR: modpost: "__spi_register_driver" [drivers/iio/adc/rohm-bd79112.ko] undefined!
>> ERROR: modpost: "spi_sync" [drivers/iio/adc/rohm-bd79112.ko] undefined!

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for REGMAP_SPI
   Depends on [n]: SPI [=n]
   Selected by [m]:
   - ROHM_BD79112 [=m] && IIO [=m] && I2C [=y] && GPIOLIB [=y]

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki