Return-path: Received: from smtp.codeaurora.org ([198.145.29.96]:40018 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751341AbeCJJLg (ORCPT ); Sat, 10 Mar 2018 04:11:36 -0500 From: Kalle Valo To: Cc: , , Subject: Re: [PATCH 01/13] ath10k: platform driver for WCN3990 SNOC WLAN module References: <1518684458-5338-1-git-send-email-govinds@codeaurora.org> <87371kqfda.fsf@kamboji.qca.qualcomm.com> <87tvttl6kp.fsf@kamboji.qca.qualcomm.com> Date: Sat, 10 Mar 2018 11:11:31 +0200 In-Reply-To: (yamada masahiro's message of "Thu, 8 Mar 2018 00:25:36 +0000") Message-ID: <87lgf0cn24.fsf@kamboji.qca.qualcomm.com> (sfid-20180310_101350_172270_05B1BFE5) MIME-Version: 1.0 Content-Type: text/plain Sender: linux-wireless-owner@vger.kernel.org List-ID: 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