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SubjectRe: [PATCH 4/4] serial: max310x: implement I2C support
Hi Cosmin,

I love your patch! Perhaps something to improve:

[auto build test WARNING on tty/tty-testing]
[also build test WARNING on usb/usb-testing v5.18 next-20220531]
[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/Cosmin-Tanislav/serial-max310x-use-regmap-methods-for-SPI-batch-operations/20220531-061619
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git tty-testing
config: arm64-allmodconfig (https://download.01.org/0day-ci/archive/20220601/202206010102.px37QPmH-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project c825abd6b0198fb088d9752f556a70705bc99dfd)
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
# install arm64 cross compiling tool for clang build
# apt-get install binutils-aarch64-linux-gnu
# https://github.com/intel-lab-lkp/linux/commit/6c293b95fc5654df5353ba273a9bbd08f1cd3f3a
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Cosmin-Tanislav/serial-max310x-use-regmap-methods-for-SPI-batch-operations/20220531-061619
git checkout 6c293b95fc5654df5353ba273a9bbd08f1cd3f3a
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm64 SHELL=/bin/bash drivers/tty/serial/

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

All warnings (new ones prefixed by >>):

>> drivers/tty/serial/max310x.c:1658:1: warning: unused label 'err_i2c_register' [-Wunused-label]
err_i2c_register:
^~~~~~~~~~~~~~~~~
1 warning generated.


vim +/err_i2c_register +1658 drivers/tty/serial/max310x.c

1652
1653 return 0;
1654
1655 err_spi_register:
1656 spi_unregister_driver(&max310x_spi_driver);
1657
> 1658 err_i2c_register:
1659 uart_unregister_driver(&max310x_uart);
1660
1661 return ret;
1662 }
1663 module_init(max310x_uart_init);
1664

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

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