Hi,

[auto build test ERROR on v4.7-rc3]
[also build test ERROR on next-20160609]
[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/Andy-Shevchenko/serial-8250-split-LPSS-to-8250_lpss-enable-DMA-on-Quark/20160613-220941
config: x86_64-randconfig-s3-06140616 (attached as .config)
compiler: gcc-6 (Debian 6.1.1-1) 6.1.1 20160430
reproduce:
        # save the attached .config to linux build tree
        make ARCH=x86_64 

All errors (new ones prefixed by >>):

   drivers/built-in.o: In function `qrk_serial_exit':

quoted

8250_lpss.c:(.text+0x180ea0): undefined reference to `dw_dma_remove'

   drivers/built-in.o: In function `qrk_serial_setup':

quoted

8250_lpss.c:(.text+0x180f0b): undefined reference to `dw_dma_probe'

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