linux-kernel - Re: ld.lld: error: undefined symbol: gpmc_omap_onenand_set

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Date:   Mon, 7 Nov 2022 10:41:00 +0200
From:   Roger Quadros <rogerq@...nel.org>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        kernel test robot <lkp@...el.com>,
        Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
        linux-kernel@...r.kernel.org
Subject: Re: ld.lld: error: undefined symbol: gpmc_omap_onenand_set_timings



On 04/11/2022 21:36, Krzysztof Kozlowski wrote:
> On 04/11/2022 15:29, kernel test robot wrote:
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   ee6050c8af96bba2f81e8b0793a1fc2f998fcd20
>> commit: 854fd9209b20837ab48c2e6714e5e44dd8ea33a2 memory: omap-gpmc: Allow building as a module
>> date:   6 months ago
>> config: arm-buildonly-randconfig-r004-20221104
>> compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 2bbafe04fe785a9469bea5a3737f8d7d3ce4aca2)
>> 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 arm cross compiling tool for clang build
>>         # apt-get install binutils-arm-linux-gnueabi
>>         # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=854fd9209b20837ab48c2e6714e5e44dd8ea33a2
>>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>         git fetch --no-tags linus master
>>         git checkout 854fd9209b20837ab48c2e6714e5e44dd8ea33a2
>>         # 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=arm SHELL=/bin/bash
>>
>> If you fix the issue, kindly add following tag where applicable
>> | Reported-by: kernel test robot <lkp@...el.com>
> 
> +Cc Miquel,
> 
> Hm, I am pretty sure we already fixed it... but it seems not. I think
> this needs dependency in MTD_ONENAND_OMAP2 - one is module, second
> cannot be built-in.

We fixed MTD_NAND_OMAP2 but missed this MTD_ONENAND_OMAP2.

I'll send out a patch soon.

cheers,
-roger