Hi Kunihiko, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Kunihiko-Hayashi/dt-bindings-net-add-DT-bindings-for-Socionext-UniPhier-AVE/20171203-095248 config: ia64-allyesconfig (attached as .config) compiler: ia64-linux-gcc (GCC) 6.2.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # save the attached .config to linux build tree make.cross ARCH=ia64 All warnings (new ones prefixed by >>): In file included from arch/ia64/include/asm/smp.h:21:0, from include/linux/smp.h:64, from include/linux/percpu.h:7, from include/linux/percpu-rwsem.h:7, from include/linux/fs.h:33, from include/linux/net.h:27, from include/linux/skbuff.h:29, from include/linux/if_ether.h:23, from include/linux/etherdevice.h:25, from drivers/net/ethernet/socionext/sni_ave.c:19: drivers/net/ethernet/socionext/sni_ave.c: In function 'ave_pfsel_set_promisc': arch/ia64/include/asm/io.h:396:30: warning: large integer implicitly truncated to unsigned type [-Woverflow] #define writel(v,a) __writel((v), (a)) ^ >> drivers/net/ethernet/socionext/sni_ave.c:1046:2: note: in expansion of macro 'writel' writel(AVE_PFMBYTE_MASK0, priv->base + AVE_PFMBYTE(entry)); ^~~~~~ vim +/writel +1046 drivers/net/ethernet/socionext/sni_ave.c 1034 1035 static void ave_pfsel_set_promisc(struct net_device *ndev, 1036 unsigned int entry, u32 rxring) 1037 { 1038 struct ave_private *priv = netdev_priv(ndev); 1039 1040 if (WARN_ON(entry > AVE_PF_SIZE)) 1041 return; 1042 1043 ave_pfsel_stop(ndev, entry); 1044 1045 /* set byte mask */ > 1046 writel(AVE_PFMBYTE_MASK0, priv->base + AVE_PFMBYTE(entry)); 1047 writel(AVE_PFMBYTE_MASK1, priv->base + AVE_PFMBYTE(entry) + 4); 1048 1049 /* set bit mask filter */ 1050 writel(AVE_PFMBIT_MASK, priv->base + AVE_PFMBIT(entry)); 1051 1052 /* set selector to rxring */ 1053 writel(rxring, priv->base + AVE_PFSEL(entry)); 1054 1055 ave_pfsel_start(ndev, entry); 1056 } 1057 --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation