linux-kernel - cygnus-pcm.c:undefined reference to `bad_dma

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Message-ID: <201610030319.qwF1nUZj%fengguang.wu@intel.com>
Date:   Mon, 3 Oct 2016 03:11:24 +0800
From:   kbuild test robot <fengguang.wu@...el.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     kbuild-all@...org, linux-kernel@...r.kernel.org
Subject: cygnus-pcm.c:undefined reference to `bad_dma_ops'

Hi Mark,

FYI, the error/warning still remains.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   be67d60ba944bdd38571b79bdcd506e34c0f16c1
commit: 3ceeda1cbee9f93bb5537c9b840d1f7e767d7c01 Merge remote-tracking branches 'asoc/topic/cs53l30', 'asoc/topic/cygnus', 'asoc/topic/da7219' and 'asoc/topic/davinci' into asoc-next
date:   2 months ago
config: m32r-allyesconfig (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 3ceeda1cbee9f93bb5537c9b840d1f7e767d7c01
        # save the attached .config to linux build tree
        make.cross ARCH=m32r 

All errors (new ones prefixed by >>):

   sound/built-in.o: In function `snd_pcm_lib_default_mmap':
   (.text+0xfcf4): undefined reference to `bad_dma_ops'
   sound/built-in.o: In function `snd_pcm_lib_default_mmap':
   (.text+0xfcf8): undefined reference to `bad_dma_ops'
   sound/built-in.o: In function `snd_pcm_lib_default_mmap':
   (.text+0xfd48): undefined reference to `dma_common_mmap'
   sound/built-in.o: In function `snd_pcm_lib_default_mmap':
   (.text+0xfd48): relocation truncated to fit: R_M32R_26_PCREL_RELA against undefined symbol `dma_common_mmap'
   sound/built-in.o: In function `cygnus_pcm_preallocate_dma_buffer':
>> cygnus-pcm.c:(.text+0x10e94c): undefined reference to `bad_dma_ops'
   cygnus-pcm.c:(.text+0x10e950): undefined reference to `bad_dma_ops'
   cygnus-pcm.c:(.text+0x10e984): undefined reference to `bad_dma_ops'
   sound/built-in.o: In function `cygnus_dma_free_dma_buffers':
   cygnus-pcm.c:(.text+0x10ea84): undefined reference to `bad_dma_ops'
   cygnus-pcm.c:(.text+0x10ea8c): undefined reference to `bad_dma_ops'
   sound/built-in.o:cygnus-pcm.c:(.text+0x10eb24): more undefined references to `bad_dma_ops' follow

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