[PATCH 01/13] ath10k: platform driver for WCN3990 SNOC WLAN module

[Kalle Valo]

<yamada.masahiro at socionext.com> writes:

>> >> Kbuild bot found an odd problem with this patch:
>> >>
>> >>  include/linux/dynamic_debug.h:77:14: error: 'KBUILD_MODNAME'
>> >>  undeclared (first use in this function); did you mean
>> 'KBUILD_BASENAME'?
>> >>
>> >> Full report:
>> >>
>> >>
>> http://lists.infradead.org/pipermail/ath10k/2018-February/010907.html
>> >>
>> >> Any ideas? Is this is some unrelated issue or what? This patch is not
>> >> even touching hif.h or ce.c.
>> >
>> > I didn't encountered this issue as in my defconfig only
>> > CONFIG_ATH10K_SNOC was defined. This problem is coming when we define
>> > CONFIG_ATH10K_SNOC and CONFIG_ATH10K_PCI simultaneously in defconfig
>> > and this is known issue when multiple modules share objects(in this
>> > case ce.o). I saw similar reported problem and found
>> > https://patchwork.kernel.org/patch/10060825/.
>> >
>> > After picking the below change issue is not seen.
>> 
>> Let's ask the kbuild maintainer. Masahiro, any chances of getting this
>> patch applied anytime soon:
>> 
>> kbuild: define KBUILD_MODNAME even if multiple modules share objects
>> 
>> https://patchwork.kernel.org/patch/10060825/
>> 
>> In ath10k we would need it as otherwise we are not able to link ce.o
>> both to ath10k_pci.ko and ath10k_snoc.ko. What do you think?
>> 
>> Full discussion and the ath10k patch here:
>> 
>> https://patchwork.kernel.org/patch/10220657/
>> 
>
> I plan to submit v2, but even if the undefined KBUILD_MODNAME is fixed,
> I expect another problem from this patch.
>
> If both CONFIG_ATH10K_PCI and CONFIG_ATH10_SNOC are 'y'
> two instances of ce.o would be linked into vmliux,
> then causes multiple definition error.

Oh, I didn't realise this. Thanks for pointing it out. Govind is looking
at other ways to fix this.

-- 
Kalle Valo