Hi Simran,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   a6930aaee06755d1bdcfd943fbf614e4d92bb0c7
commit: 1200a7d9b2c65ffb2dd673add65cd5dc95671489 ASoC: cygnus: Add Cygnus audio DMA driver
date:   4 months ago
config: m32r-allmodconfig (attached as .config)
compiler: m32r-linux-gcc (GCC) 6.2.0
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
        git checkout 1200a7d9b2c65ffb2dd673add65cd5dc95671489
        # save the attached .config to linux build tree
        make.cross ARCH=m32r 

All errors (new ones prefixed by >>):

>> ERROR: "bad_dma_ops" [sound/soc/bcm/snd-soc-cygnus.ko] undefined!
   ERROR: "bad_dma_ops" [sound/soc/atmel/snd-soc-atmel-pcm-pdc.ko] undefined!
   ERROR: "bad_dma_ops" [sound/core/snd-pcm.ko] undefined!
   ERROR: "dma_common_mmap" [sound/core/snd-pcm.ko] undefined!
   ERROR: "__ucmpdi2" [lib/842/842_decompress.ko] undefined!
   ERROR: "__ucmpdi2" [fs/btrfs/btrfs.ko] undefined!
   ERROR: "__ucmpdi2" [drivers/media/i2c/adv7842.ko] undefined!
   ERROR: "__ucmpdi2" [drivers/md/bcache/bcache.ko] undefined!
   ERROR: "__ucmpdi2" [drivers/iio/imu/inv_mpu6050/inv-mpu6050.ko] undefined!

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