netdev - Re: [PATCH net-next v2 3/3] net: marvell: Allow drivers to be built with COMPILE

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Date:   Thu, 17 Nov 2016 10:12:00 +0100
From:   Arnd Bergmann <arnd@...db.de>
To:     kbuild test robot <lkp@...el.com>
Cc:     Florian Fainelli <f.fainelli@...il.com>, kbuild-all@...org,
        netdev@...r.kernel.org, davem@...emloft.net, mw@...ihalf.com,
        gregory.clement@...e-electrons.com, Shaohui.Xie@...escale.com
Subject: Re: [PATCH net-next v2 3/3] net: marvell: Allow drivers to be built with COMPILE_TEST

On Thursday, November 17, 2016 3:10:10 PM CET kbuild test robot wrote:
> url:    https://github.com/0day-ci/linux/commits/Florian-Fainelli/net-fsl-Allow-most-drivers-to-be-built-with-COMPILE_TEST/20161116-094841
> 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
>         # save the attached .config to linux build tree
>         make.cross ARCH=mips 
> 
> All errors (new ones prefixed by >>):
> 
>    drivers/built-in.o: In function `mvneta_bm_pool_create':
> >> mvneta_bm.c:(.text+0x772f0c): undefined reference to `mvebu_mbus_get_dram_win_info'

We should fix this, I'd suggest either adding an inline wrapper for
mvebu_mbus_get_dram_win_info() when CONFIG_MVEBU_MBUS is not set,
or allowing CONFIG_MVEBU_MBUS to be enabled for COMPILE_TEST as well.

	Arnd