ERROR: "bad_dma_ops" [drivers/tty/serial/stm32-usart.ko] undefined!

From: kbuild test robot
Date: Sun Oct 23 2016 - 05:55:01 EST

Hi Alexandre,

First bad commit (maybe != root cause):

tree: master
head: 0c2b6dc4fd4fa13796b319aae969a009f03222c6
commit: 3489187204eb75e5635d8836babfd0a18be613f4 serial: stm32: adding dma support
date: 4 weeks ago
config: m32r-allmodconfig (attached as .config)
compiler: m32r-linux-gcc (GCC) 6.2.0
wget -O ~/bin/make.cross
chmod +x ~/bin/make.cross
git checkout 3489187204eb75e5635d8836babfd0a18be613f4
# 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/core/snd-pcm.ko] undefined!
ERROR: "dma_common_mmap" [sound/core/snd-pcm.ko] undefined!
>> ERROR: "bad_dma_ops" [drivers/tty/serial/stm32-usart.ko] undefined!

0-DAY kernel test infrastructure Open Source Technology Center Intel Corporation

Attachment: .config.gz
Description: application/gzip