Re: [PATCH v2 2/2] drm: sun4i: hdmi: Add support for sun4i HDMI encoder audio

Hi Stefan,

I love your patch! Yet something to improve:

[auto build test ERROR on sunxi/sunxi/for-next]
[also build test ERROR on slave-dma/next v5.5-rc7]
[cannot apply to mripard/sunxi/for-next next-20200120]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]

url:    https://github.com/0day-ci/linux/commits/Stefan-Mavrodiev/Add-support-for-sun4i-HDMI-audio/20200120-211721
base:   https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux.git sunxi/for-next
config: arm-defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=arm 

If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <redacted>

All errors (new ones prefixed by >>):

   drivers/gpu/drm/sun4i/sun4i_hdmi_enc.o: In function `init_module':

quoted

sun4i_hdmi_enc.c:(.init.text+0x0): multiple definition of `init_module'

   drivers/gpu/drm/sun4i/sun4i_hdmi_audio.o:sun4i_hdmi_audio.c:(.init.text+0x0): first defined here
   drivers/gpu/drm/sun4i/sun4i_hdmi_enc.o: In function `cleanup_module':

quoted

sun4i_hdmi_enc.c:(.exit.text+0x0): multiple definition of `cleanup_module'

   drivers/gpu/drm/sun4i/sun4i_hdmi_audio.o:sun4i_hdmi_audio.c:(.exit.text+0x0): first defined here

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