linux-kernel - Re: usb.c:undefined reference to `qe

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Message-ID: <87lem9h64t.fsf@mpe.ellerman.id.au>
Date:   Wed, 11 Jan 2023 18:39:30 +1100
From:   Michael Ellerman <mpe@...erman.id.au>
To:     Randy Dunlap <rdunlap@...radead.org>,
        kernel test robot <lkp@...el.com>,
        Masahiro Yamada <masahiroy@...nel.org>
Cc:     oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Nicolas Schier <nicolas@...sle.eu>,
        Qiang Zhao <qiang.zhao@....com>,
        linuxppc-dev <linuxppc-dev@...ts.ozlabs.org>,
        Li Yang <leoyang.li@....com>
Subject: Re: usb.c:undefined reference to `qe_immr'

Randy Dunlap <rdunlap@...radead.org> writes:
> [adding Cc's]
>
>
> On 1/9/23 23:59, kernel test robot wrote:
>> Hi Masahiro,
>> 
>> FYI, the error/warning still remains.
>> 
>> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
>> head:   5a41237ad1d4b62008f93163af1d9b1da90729d8
>> commit: 7b4537199a4a8480b8c3ba37a2d44765ce76cd9b kbuild: link symbol CRCs at final link, removing CONFIG_MODULE_REL_CRCS
>> date:   8 months ago
>> config: powerpc-randconfig-r026-20230110
>> compiler: powerpc-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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=7b4537199a4a8480b8c3ba37a2d44765ce76cd9b
>>         git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>         git fetch --no-tags linus master
>>         git checkout 7b4537199a4a8480b8c3ba37a2d44765ce76cd9b
>>         # save the config file
>>         mkdir build_dir && cp config build_dir/.config
>>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc olddefconfig
>>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=powerpc 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 >>):
>> 
>>    powerpc-linux-ld: powerpc-linux-ld: DWARF error: could not find abbrev number 74
>>    drivers/soc/fsl/qe/usb.o: in function `qe_usb_clock_set':
>>>> usb.c:(.text+0x1e): undefined reference to `qe_immr'
>>>> powerpc-linux-ld: usb.c:(.text+0x2a): undefined reference to `qe_immr'
>>>> powerpc-linux-ld: usb.c:(.text+0xbc): undefined reference to `qe_setbrg'
>>>> powerpc-linux-ld: usb.c:(.text+0xca): undefined reference to `cmxgcr_lock'
>>    powerpc-linux-ld: usb.c:(.text+0xce): undefined reference to `cmxgcr_lock'
>> 
>
> .config extract:
>
> #
> # NXP/Freescale QorIQ SoC drivers
> #
> # CONFIG_QUICC_ENGINE is not set
> CONFIG_QE_USB=y
>
>
> This is caused by (drivers/soc/fsl/qe/Kconfig):
>
> config QE_USB
> 	bool
> 	default y if USB_FSL_QE
> 	help
> 	  QE USB Controller support
>
> which does not depend on QUICC_ENGINE, where the latter build provides
> the missing symbols.

So QE_USB should depend on QUICC_ENGINE no?

cheers