Hi Timur, FYI, the error/warning still remains.
tree: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next.git master head: d4ef9f72128d414ad83b27b49312faa971d77382 commit: b9b17debc69d27cd55e21ee51a5ba7fc50a426cf [249/527] net: emac: emac gigabit ethernet controller driver 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 b9b17debc69d27cd55e21ee51a5ba7fc50a426cf # save the attached .config to linux build tree make.cross ARCH=m32r All errors (new ones prefixed by >>): drivers/built-in.o: In function `emac_probe': emac.c:(.text+0x3de178): undefined reference to `bad_dma_ops' emac.c:(.text+0x3de180): undefined reference to `bad_dma_ops' drivers/built-in.o: In function `emac_tx_q_descs_free': >> emac-mac.c:(.text+0x3de924): undefined reference to `bad_dma_ops' emac-mac.c:(.text+0x3de928): undefined reference to `bad_dma_ops' drivers/built-in.o: In function `emac_rx_q_free_descs': emac-mac.c:(.text+0x3de9f8): undefined reference to `bad_dma_ops' drivers/built-in.o:emac-mac.c:(.text+0x3de9fc): more undefined references to `bad_dma_ops' follow sound/built-in.o: In function `snd_pcm_lib_default_mmap': (.text+0xfc64): undefined reference to `dma_common_mmap' sound/built-in.o: In function `snd_pcm_lib_default_mmap': (.text+0xfc64): 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+0x10fff0): undefined reference to `bad_dma_ops' cygnus-pcm.c:(.text+0x10fff4): undefined reference to `bad_dma_ops' cygnus-pcm.c:(.text+0x110028): undefined reference to `bad_dma_ops' sound/built-in.o: In function `cygnus_dma_free_dma_buffers': cygnus-pcm.c:(.text+0x110128): undefined reference to `bad_dma_ops' cygnus-pcm.c:(.text+0x110130): undefined reference to `bad_dma_ops' sound/built-in.o:cygnus-pcm.c:(.text+0x1101c8): more undefined references to `bad_dma_ops' follow --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
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