> -----Original Message-----
> From: Kalle Valo [mailto:kv...@codeaurora.org]
> Sent: Tuesday, March 06, 2018 9:41 PM
> To: Govind Singh <govi...@codeaurora.org>; Yamada, Masahiro/山田 真弘
> <yamada.masah...@socionext.com>
> Cc: linux-wirel...@vger.kernel.org; ath10k@lists.infradead.org
> Subject: Re: [PATCH 01/13] ath10k: platform driver for WCN3990 SNOC WLAN
> module
> 
> (Fixed Govind's top posting and adding Masahiro)
> 
> >>> WCN3990 is integrated 802.11ac chipset with SNOC bus interface. Add
> >>> snoc layer driver registration and associated ops.
> >>>
> >>> WCN3990 support is not yet complete as cold-boot handshake is done
> >>> using qmi(Qualcomm-MSM-Interface) and qmi client support will be added
> >>> once qmi framework is available.
> >>>
> >>> Signed-off-by: Govind Singh <govi...@codeaurora.org>
> >>
> >> 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.

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