[wsa:i2c/for-next 65/74] i2c-sprd.c:undefined reference to `i2c_del_adapter'

[wsa:i2c/for-next 65/74] i2c-sprd.c:undefined reference to `i2c_del_adapter'

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next
head:   60999e2bb4ed42743b81d718521deccdb8888335
commit: 8b9ec0719834fe66146d138d62ed66cef025c864 [65/74] i2c: Add Spreadtrum I2C controller driver
config: arm64-allmodconfig (attached as .config)
compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
        wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout 8b9ec0719834fe66146d138d62ed66cef025c864
        # save the attached .config to linux build tree
        make.cross ARCH=arm64 

All errors (new ones prefixed by >>):

   drivers/i2c/busses/i2c-sprd.o: In function `sprd_i2c_remove':
>> i2c-sprd.c:(.text+0x168): undefined reference to `i2c_del_adapter'
   drivers/i2c/busses/i2c-sprd.o: In function `sprd_i2c_probe':
>> i2c-sprd.c:(.text+0x1400): undefined reference to `i2c_add_numbered_adapter'

---
0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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Re: [wsa:i2c/for-next 65/74] i2c-sprd.c:undefined reference to `i2c_del_adapter'

[Baolin Wang]

Hi,

On 30 August 2017 at 10:24, kbuild test robot <fengguang.wu@intel.com> wrote:
> tree:   https://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux.git i2c/for-next
> head:   60999e2bb4ed42743b81d718521deccdb8888335
> commit: 8b9ec0719834fe66146d138d62ed66cef025c864 [65/74] i2c: Add Spreadtrum I2C controller driver
> config: arm64-allmodconfig (attached as .config)
> compiler: aarch64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
> reproduce:
>         wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         git checkout 8b9ec0719834fe66146d138d62ed66cef025c864
>         # save the attached .config to linux build tree
>         make.cross ARCH=arm64
>
> All errors (new ones prefixed by >>):
>
>    drivers/i2c/busses/i2c-sprd.o: In function `sprd_i2c_remove':
>>> i2c-sprd.c:(.text+0x168): undefined reference to `i2c_del_adapter'
>    drivers/i2c/busses/i2c-sprd.o: In function `sprd_i2c_probe':
>>> i2c-sprd.c:(.text+0x1400): undefined reference to `i2c_add_numbered_adapter'

I realized Spreadtrum I2C driver can not be build as module, so it
should depend on I2C=y. Since Wolfram had applied this patch series, I
will send one patch to fix this build error. Thanks.

-- 
Baolin.wang
Best Regards