linux-kernel - Re: [PATCH v6 3/4] i2c: ch341: add I2C MFD cell driver for the CH341

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Message-ID: <202206161938.BiOHSAOi-lkp@intel.com>
Date:   Thu, 16 Jun 2022 19:10:53 +0800
From:   kernel test robot <lkp@...el.com>
To:     frank zago <frank@...o.net>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Wolfram Sang <wsa-dev@...g-engineering.com>,
        Johan Hovold <johan@...nel.org>, linux-usb@...r.kernel.org,
        Lee Jones <lee.jones@...aro.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        linux-gpio@...r.kernel.org, linux-i2c@...r.kernel.org
Cc:     kbuild-all@...ts.01.org
Subject: Re: [PATCH v6 3/4] i2c: ch341: add I2C MFD cell driver for the CH341

Hi frank,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on lee-mfd/for-mfd-next]
[also build test ERROR on brgl/gpio/for-next wsa/i2c/for-next linus/master v5.19-rc2 next-20220616]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/intel-lab-lkp/linux/commits/frank-zago/add-driver-for-the-WCH-CH341-in-I2C-GPIO-mode/20220616-094113
base:   https://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd.git for-mfd-next
config: arc-buildonly-randconfig-r004-20220616 (https://download.01.org/0day-ci/archive/20220616/202206161938.BiOHSAOi-lkp@intel.com/config)
compiler: arc-elf-gcc (GCC) 11.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/46c68aee86d34ee630272146a73ad7c3147bb094
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review frank-zago/add-driver-for-the-WCH-CH341-in-I2C-GPIO-mode/20220616-094113
        git checkout 46c68aee86d34ee630272146a73ad7c3147bb094
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@...el.com>

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

>> ERROR: modpost: "usb_bulk_msg" [drivers/i2c/busses/i2c-ch341.ko] undefined!
>> ERROR: modpost: "usb_deregister" [drivers/mfd/ch341-core.ko] undefined!
>> ERROR: modpost: "usb_register_driver" [drivers/mfd/ch341-core.ko] undefined!
>> ERROR: modpost: "usb_find_common_endpoints" [drivers/mfd/ch341-core.ko] undefined!

Kconfig warnings: (for reference only)
   WARNING: unmet direct dependencies detected for MFD_CH341
   Depends on HAS_IOMEM && USB
   Selected by
   - I2C_CH341 && I2C && HAS_IOMEM

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp