tree: https://kernel.googlesource.com/pub/scm/linux/kernel/git/next/linux-next.git master head: 4608a726c66807c27bc7d91bdf8a288254e29985 commit: 962fb618909ef64e0c89af5b79ba0fed910b78e3 [13028/13492] net: ethernet: ti: davinci_cpdma: allow desc split while down reproduce: # apt-get install sparse # sparse version: v0.6.1-rc1-7-g2b96cd8-dirty git checkout 962fb618909ef64e0c89af5b79ba0fed910b78e3 make ARCH=x86_64 allmodconfig make C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' If you fix the issue, kindly add following tag Reported-by: kbuild test robot <lkp@xxxxxxxxx> sparse warnings: (new ones prefixed by >>) >> drivers/net/ethernet/ti/davinci_cpdma.c:725:5: sparse: sparse: symbol 'cpdma_chan_split_pool' was not declared. Should it be static? Please review and possibly fold the followup patch. --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation