linux-kernel - Re: [PATCH V4 4/4] nvmem: layouts: add fixed cells layout

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Date:   Fri, 17 Mar 2023 17:04:50 +0100
From:   Rafał Miłecki <rafal@...ecki.pl>
To:     kernel test robot <lkp@...el.com>,
        Rafał Miłecki <zajec5@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     oe-kbuild-all@...ts.linux.dev,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        Michael Walle <michael@...le.cc>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 4/4] nvmem: layouts: add fixed cells layout

On 17.03.2023 16:54, kernel test robot wrote:
> I love your patch! Perhaps something to improve:
> 
> [auto build test WARNING on next-20230317]
> [cannot apply to robh/for-next krzk-dt/for-next char-misc/char-misc-testing char-misc/char-misc-next char-misc/char-misc-linus linus/master v6.3-rc2 v6.3-rc1 v6.2 v6.3-rc2]
> [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#_base_tree_information]
> 
> url:    https://github.com/intel-lab-lkp/linux/commits/Rafa-Mi-ecki/dt-bindings-nvmem-layouts-add-fixed-layout/20230317-212948
> patch link:    https://lore.kernel.org/r/20230317132620.31142-5-zajec5%40gmail.com
> patch subject: [PATCH V4 4/4] nvmem: layouts: add fixed cells layout
> config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230317/202303172348.sb4rePWl-lkp@intel.com/config)
> compiler: sparc64-linux-gcc (GCC) 12.1.0
> 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/7ffae9ad6cdb83ae60e3eacf96ab779e0b69a65b
>          git remote add linux-review https://github.com/intel-lab-lkp/linux
>          git fetch --no-tags linux-review Rafa-Mi-ecki/dt-bindings-nvmem-layouts-add-fixed-layout/20230317-212948
>          git checkout 7ffae9ad6cdb83ae60e3eacf96ab779e0b69a65b
>          # save the config file
>          mkdir build_dir && cp config build_dir/.config
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig
>          COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/nvmem/
> 
> If you fix the issue, kindly add following tag where applicable
> | Reported-by: kernel test robot <lkp@...el.com>
> | Link: https://lore.kernel.org/oe-kbuild-all/202303172348.sb4rePWl-lkp@intel.com/
> 
> All warnings (new ones prefixed by >>):
> 
>>> drivers/nvmem/layouts/fixed.c:37:1: warning: data definition has no type or storage class
>        37 | module_nvmem_layout_driver(fixed_nvmem_layout);
>           | ^~~~~~~~~~~~~~~~~~~~~~~~~~
>     drivers/nvmem/layouts/fixed.c:37:1: error: type defaults to 'int' in declaration of 'module_nvmem_layout_driver' [-Werror=implicit-int]
>>> drivers/nvmem/layouts/fixed.c:37:1: warning: parameter names (without types) in function declaration
>     cc1: some warnings being treated as errors

I reported that to Miquel already, he's going to improve his patch:
https://lore.kernel.org/lkml/20230316173741.4f572068@xps-13/


> vim +37 drivers/nvmem/layouts/fixed.c
> 
>      36	
>    > 37	module_nvmem_layout_driver(fixed_nvmem_layout);
>      38	
>