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SubjectRe: drivers/net/wireless/broadcom/brcm80211/brcmfmac/debug.c:58:6: error: redefinition of 'brcmf_debugfs_init'
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Arend Van Spriel <arend.vanspriel@broadcom.com> 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@infradead.org> 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.

--
Kalle Valo

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