Re: [PATCH net-next v2 3/3] net: marvell: Allow drivers to be built with COMPILE_TEST

On Thursday, November 17, 2016 10:30:10 AM CET kbuild test robot wrote:

url:    https://github.com/0day-ci/linux/commits/Florian-Fainelli/net-fsl-Allow-most-drivers-to-be-built-with-COMPILE_TEST/20161116-094841
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
        # save the attached .config to linux build tree
        make.cross ARCH=m32r 

All errors (new ones prefixed by >>):

   ERROR: "bad_dma_ops" [sound/core/snd-pcm.ko] undefined!
   ERROR: "dma_common_mmap" [sound/core/snd-pcm.ko] undefined!

quoted

quoted

ERROR: "bad_dma_ops" [drivers/net/ethernet/marvell/mvpp2.ko] undefined!

   ERROR: "mvebu_mbus_get_dram_win_info" [drivers/net/ethernet/marvell/mvneta_bm.ko] undefined!

quoted

quoted

ERROR: "bad_dma_ops" [drivers/net/ethernet/marvell/mvneta_bm.ko] undefined!
ERROR: "bad_dma_ops" [drivers/net/ethernet/marvell/mvneta.ko] undefined!
ERROR: "bad_dma_ops" [drivers/net/ethernet/marvell/mv643xx_eth.ko] undefined!

   ERROR: "bad_dma_ops" [drivers/net/ethernet/freescale/gianfar_driver.ko] undefined!

This can be avoided by adding 'depends on HAS_DMA'. We should probably just
fix m32r instead to not require that and allow building all drivers even when
they can't work in the end.

	Arnd