linux-kernel - Re: [PATCH] mtd: nand: fix implicit module.h usage in xway

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Message-ID: <92266a2a-8a64-7c71-842e-26b12ddcf7a0@hauke-m.de>
Date:   Sat, 24 Dec 2016 18:19:44 +0100
From:   Hauke Mehrtens <hauke@...ke-m.de>
To:     kbuild test robot <lkp@...el.com>,
        Paul Gortmaker <paul.gortmaker@...driver.com>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alexandre Courbot <gnurou@...il.com>,
        linux-gpio@...r.kernel.org, linux-mips@...ux-mips.org
Subject: Re: [PATCH] mtd: nand: fix implicit module.h usage in xway_nand.c



On 12/22/2016 12:27 AM, kbuild test robot wrote:
> Hi Paul,
> 
> [auto build test ERROR on mtd/master]
> [also build test ERROR on v4.9 next-20161221]
> [if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
> 
> url:    https://github.com/0day-ci/linux/commits/Paul-Gortmaker/mtd-nand-fix-implicit-module-h-usage-in-xway_nand-c/20161221-115714
> base:   git://git.infradead.org/linux-mtd.git master
> config: mips-xway_defconfig (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 >>):
> 
>    arch/mips/built-in.o: In function `vpe_run':
>>> (.text+0x148f0): undefined reference to `physical_memsize'
>    arch/mips/built-in.o: In function `vpe_run':
>    (.text+0x148f4): undefined reference to `physical_memsize'
Let me look into this, it is probably caused by activating a "bad"
config option and not related to GPIO at all.

Hauke