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Re: drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c:58:6: error: redefinition of 'brcmf_debugfs_init'

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On 16-2-2017 11:01, Kalle Valo wrote:
> Arend Van Spriel <arend.vanspriel@xxxxxxxxxxxx> writes:
> 
>> On 16-2-2017 10:39, Rafał Miłecki wrote:
>>> On 02/16/2017 10:31 AM, Kalle Valo wrote:
>>>> (Adding linux-wireless)
>>>>
>>>> Randy Dunlap <rdunlap@xxxxxxxxxxxxx> writes:
>>>>
>>>>> On 02/07/17 02:02, kbuild test robot wrote:
>>>>>> Hi Kalle,
>>>>>>
>>>>>> FYI, the error/warning still remains.
>>>>>>
>>>>>> tree:  
>>>>>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
>>>>>> master
>>>>>> head:   8b1b41ee74f9712c355d66dc105bbea663ae0afd
>>>>>> commit: 05491d2ccf20b20a1375303441fbbfbd12b24a4f brcm80211: move
>>>>>> under broadcom vendor directory
>>>>>> date:   1 year, 3 months ago
>>>>>> config: mips-allyesconfig (attached as .config)
>>>>>> compiler: mips-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
>>>>>> reproduce:
>>>>>>         wget
>>>>>> https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross
>>>>>>
>>>>>> -O ~/bin/make.cross
>>>>>>         chmod +x ~/bin/make.cross
>>>>>>         git checkout 05491d2ccf20b20a1375303441fbbfbd12b24a4f
>>>>>>         # save the attached .config to linux build tree
>>>>>>         make.cross ARCH=mips
>>>>>>
>>>>>> All errors (new ones prefixed by >>):
> n>>>>
>>>>> when both:
>>>>>
>>>>> CONFIG_BRCM_TRACING=y
>>>>> CONFIG_BRCMDBG=y
>>>>>
>>>>> but DEBUG is not defined.
>>>>>
>>>>> I think it would help if CONFIG_BRCMDBG set DEBUG
>>>>> or if some of the tests for DEBUG used CONFIG_BRCMDBG instead.
>>>>
>>>> Arend or Rafał, would you be able to look at this build problem? Kbuild
>>>> found the build errors below, apparently a very old issue. It just
>>>> blames me now because I moved the driver to a new directory :)
>>
>> It is a very old issue. The thing is that the issue can not really occur
>> because we have this:
>>
>> # common flags
>> subdir-ccflags-$(CONFIG_BRCMDBG)        += -DDEBUG
>>
>> in drivers/net/wireless/broadcom/brcm80211/Makefile. So no clue what
>> happens in the "kbuild test robot" scenario.
> 
> I actually tried to reproduce this with kbuild bot's instructions and
> was surprised to see that the build worked ok for me. So the issue is
> not that simple.

Hi Kalle,

Here is the old email exchange we had about this [1]. In my opinion this
is a Kbuild issue that needs to be looked into.

Regards,
Arend

[1] http://www.spinics.net/lists/linux-wireless/msg142122.html



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